Storm Warning 96, NWS Anchorage, AK

419 
FZAK52 PAFC 301151
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
351 AM AKDT Wed Aug 30 2023

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-310100-
351 AM AKDT Wed Aug 30 2023
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A strong North Pacific low moves 80 nm west of Nikolski at 964 mb
by Wed night. The low crosses into the Bering to 130 nm north of
False Pass at 973 mb Thu morning, then moves over Southwest 
Alaska by Thu night.

$$

PKZ750-310100-
Sitkinak to Castle Cape out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...S wind 15 kt. Seas 5 ft.
.TONIGHT...SE wind 15 kt increasing to 25 kt after midnight. Seas
6 ft. Rain.
.THU...S wind 30 kt increasing to 40 kt in the afternoon. Seas 11
ft building to 16 ft in the afternoon.
.THU NIGHT...SW wind 40 kt. Seas 18 ft.
.FRI THROUGH SUN...W wind 25 kt. Seas 10 ft.

$$

PKZ751-310100-
Sitkinak to Castle Cape from 15 to 100 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...SW wind 15 kt. Seas 7 ft.
.TONIGHT...S wind 30 kt. Seas 11 ft. Rain.
.THU...SW wind 40 kt. Seas 15 ft building to 22 ft in the
afternoon.
.THU NIGHT...SW wind 40 kt. Seas 24 ft.
.FRI THROUGH SUN...W wind 30 kt. Seas 15 ft.

$$

PKZ752-310100-
Castle Cape to Cape Tolstoi out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...S wind 15 kt. Seas 5 ft.
.TONIGHT...SE wind 20 kt becoming S 30 kt after midnight. Seas 7
ft. Rain.
.THU...S wind 40 kt. Seas 16 ft. Rain.
.THU NIGHT...SW wind 40 kt. Seas 15 ft.
.FRI THROUGH SAT...SW wind 25 kt. Seas 8 ft.
.SUN...W wind 20 kt. Seas 6 ft.

$$

PKZ753-310100-
Castle Cape to Cape Tolstoi from 15 to 100 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...SW wind 15 kt. Seas 7 ft. Rain.
.TONIGHT...S wind 30 kt. Seas 9 ft building to 14 ft after
midnight. Rain.
.THU...SW wind 45 kt. Seas 22 ft building to 28 ft in the
afternoon.
.THU NIGHT...SW wind 40 kt. Seas 26 ft.
.FRI...W wind 25 kt. Seas 14 ft.
.SAT...SW wind 35 kt. Seas 17 ft.
.SUN...W wind 30 kt. Seas 16 ft.

$$

PKZ754-310100-
Cape Tolstoi to Cape Sarichef out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...Variable wind 10 kt becoming SE 20 kt in the afternoon.
Seas 5 ft. Rain.
.TONIGHT...SE wind 25 kt becoming S 40 kt after midnight. Seas 7
ft building to 18 ft after midnight. Rain.
.THU...S wind 45 kt. Gusts to 55 kt in the morning. Seas 26 ft. 
Rain.
.THU NIGHT...W wind 30 kt. Seas 16 ft.
.FRI...SW wind 25 kt. Seas 7 ft.
.SAT...SW wind 30 kt. Seas 12 ft.
.SUN...W wind 25 kt. Seas 10 ft.

$$

PKZ755-310100-
Cape Tolstoi to Cape Sarichef from 15 to 100 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...SE wind 20 kt. Seas 7 ft. Rain.
.TONIGHT...S wind 30 kt increasing to 45 kt after midnight. Seas
12 ft building to 22 ft after midnight.
.THU...SW wind 45 kt. Seas 32 ft.
.THU NIGHT...W wind 40 kt. Seas 24 ft.
.FRI...SW wind 25 kt. Seas 12 ft.
.SAT...SW wind 35 kt. Seas 17 ft.
.SUN...W wind 30 kt. Seas 15 ft.

$$

PKZ756-310100-
Port Heiden to Nelson Lagoon out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...SE wind 15 kt. Seas 2 ft.
.TONIGHT...SE wind 30 kt. Seas 6 ft.
.THU...S wind 40 kt. Seas 10 ft.
.THU NIGHT...SW wind 35 kt. Seas 13 ft.
.FRI THROUGH SAT...SW wind 25 kt. Seas 10 ft.
.SUN...W wind 30 kt. Seas 11 ft.

$$

PKZ757-310100-
Port Heiden to Nelson Lagoon from 15 to 60 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...S wind 15 kt. Seas 4 ft.
.TONIGHT...SE wind 30 kt. Seas 8 ft.
.THU...S wind 40 kt. Seas 17 ft.
.THU NIGHT...W wind 40 kt. Seas 17 ft.
.FRI THROUGH SAT...SW wind 30 kt. Seas 12 ft.
.SUN...W wind 25 kt. Seas 13 ft.

$$

PKZ758-310100-
Nelson Lagoon to Cape Sarichef out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...Variable wind 10 kt becoming SE 20 kt in the afternoon.
Seas 3 ft. Rain.
.TONIGHT...SE wind 25 kt becoming S 40 kt after midnight. Seas 4
ft building to 8 ft after midnight. Rain showers.
.THU...S wind 40 kt. Gusts to 50 kt out of bays and passes before
noon. Seas 12 ft. Rain.
.THU NIGHT...W wind 35 kt. Seas 11 ft.
.FRI...SW wind 25 kt. Seas 8 ft.
.SAT...SW wind 30 kt. Seas 13 ft.
.SUN...W wind 25 kt. Seas 13 ft.

$$

PKZ759-310100-
Nelson Lagoon to Cape Sarichef from 15 to 70 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...Variable wind 10 kt becoming SE 15 kt in the afternoon.
Seas 3 ft. Rain showers.
.TONIGHT...E wind 25 kt becoming SE 35 kt after midnight. Seas 7
ft building to 11 ft after midnight.
.THU...S wind 45 kt. Seas 16 ft.
.THU NIGHT...W wind 30 kt. Seas 13 ft.
.FRI...SW wind 30 kt. Seas 9 ft.
.SAT...SW wind 35 kt. Seas 15 ft.
.SUN...W wind 25 kt. Seas 15 ft.

$$

PKZ770-310100-
Cape Sarichef to Nikolski Bering Side out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...E wind 15 kt increasing to 25 kt in the afternoon. Seas
5 ft. Rain.
.TONIGHT...S wind 40 kt. Seas 11 ft. Rain.
.THU...SW wind 45 kt becoming W 30 kt in the afternoon. Seas 11
ft. Rain.
.THU NIGHT...W wind 30 kt. Seas 10 ft.
.FRI...SW wind 25 kt. Seas 7 ft.
.SAT...SW wind 35 kt. Seas 13 ft.
.SUN...SW wind 30 kt. Seas 13 ft.

$$

PKZ772-310100-
Cape Sarichef to Nikolski Bering Side from 15 to 85 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...E wind 25 kt. Seas 6 ft. Rain.
.TONIGHT...E wind 30 kt becoming SE 40 kt after midnight. Seas
13 ft. Rain.
.THU...W wind 35 kt. Seas 12 ft.
.THU NIGHT...W wind 30 kt. Seas 11 ft.
.FRI...SW wind 30 kt. Seas 11 ft.
.SAT...SW wind 40 kt. Seas 15 ft.
.SUN...SW wind 25 kt. Seas 15 ft.

$$

PKZ771-310100-
Unalaska Bay-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT...

.TODAY...Variable wind less than 10 kt becoming SE 20 kt in the
afternoon. Seas 3 ft. Rain.
.TONIGHT...S wind 35 kt. Gusts to 45 kt after midnight. Seas 5 ft. 
Rain.
.THU...SW wind 30 kt. Seas 5 ft. Rain.
.THU NIGHT...W wind 20 kt. Seas 3 ft.
.FRI...SW wind 20 kt. Seas 3 ft.
.SAT...S wind 25 kt. Seas 4 ft.
.SUN...W wind 20 kt. Seas 3 ft.

$$

PKZ773-310100-
Cape Sarichef to Nikolski Pacific Side out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...E wind 15 kt increasing to 30 kt in the afternoon. Seas
8 ft. Rain.
.TONIGHT...SE wind 35 kt becoming S 45 kt after midnight. Gusts to 55
kt after midnight. Seas 16 ft building to 29 ft after midnight. 
Rain.
.THU...SW wind 45 kt becoming W 35 kt in the afternoon. Seas 29 ft
subsiding to 19 ft in the afternoon.
.THU NIGHT...W wind 30 kt. Seas 13 ft.
.FRI...SW wind 30 kt. Seas 9 ft.
.SAT...SW wind 35 kt. Seas 14 ft.
.SUN...W wind 30 kt. Seas 10 ft.

$$

PKZ774-310100-
Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM-
351 AM AKDT Wed Aug 30 2023

...STORM WARNING TONIGHT AND THURSDAY...

.TODAY...SE wind 15 kt increasing to 25 kt in the afternoon. Seas
8 ft. Rain.
.TONIGHT...S wind 40 kt increasing to 50 kt after midnight. Seas
19 ft building to 32 ft after midnight. Rain showers.
.THU...SW wind 50 kt becoming W 40 kt in the afternoon. Seas 33 ft
subsiding to 26 ft in the afternoon.
.THU NIGHT...W wind 30 kt. Seas 18 ft.
.FRI...SW wind 30 kt. Seas 9 ft.
.SAT...SW wind 35 kt. Seas 16 ft.
.SUN...W wind 30 kt. Seas 14 ft.

$$

PKZ775-310100-
Nikolski to Seguam Bering Side out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TODAY...NE wind 35 kt. Seas 8 ft building to 13 ft in the
afternoon. Rain.
.TONIGHT...E wind 35 kt becoming NW after midnight. Gusts to 45 out
of bays and passes. Seas 19 ft. Rain.
.THU...W wind 35 kt. Seas 17 ft.
.THU NIGHT...W wind 20 kt. Seas 10 ft.
.FRI...SW wind 30 kt. Seas 11 ft.
.SAT...SW wind 35 kt. Seas 13 ft.
.SUN...SW wind 25 kt. Seas 11 ft.

$$

PKZ776-310100-
Nikolski to Seguam Bering Side from 15 to 85 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TODAY...NE wind 30 kt increasing to 40 kt in the afternoon. Seas
9 ft building to 14 ft in the afternoon. Rain.
.TONIGHT...E wind 40 kt. Seas 18 ft. Rain.
.THU...NW wind 35 kt. Seas 18 ft.
.THU NIGHT...W wind 20 kt. Seas 10 ft.
.FRI THROUGH SAT...SW wind 35 kt. Seas 14 ft.
.SUN...SW wind 25 kt. Seas 12 ft.

$$

PKZ777-310100-
Nikolski to Seguam Pacfic Side out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TODAY...E wind 35 kt. Seas 11 ft. Rain.
.TONIGHT...SE wind 35 kt becoming W after midnight. Seas 26 ft.
Widespread rain showers.
.THU...W wind 35 kt. Seas 18 ft subsiding to 13 ft in the
afternoon.
.THU NIGHT...W wind 20 kt. Seas 10 ft.
.FRI...SW wind 30 kt. Seas 11 ft.
.SAT...SW wind 35 kt. Seas 15 ft.
.SUN...SW wind 25 kt. Seas 10 ft.

$$

PKZ778-310100-
Nikolski to Seguam Pacific Side from 15 to 75 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...E wind 30 kt. Seas 7 ft building to 12 ft in the
afternoon. Rain.
.TONIGHT...S wind 45 kt becoming W after midnight. Seas 32 ft.
Rain.
.THU...W wind 35 kt. Seas 21 ft.
.THU NIGHT...W wind 20 kt. Seas 11 ft.
.FRI...SW wind 30 kt. Seas 12 ft.
.SAT...SW wind 35 kt. Seas 16 ft.
.SUN...SW wind 25 kt. Seas 13 ft.

$$

PKZ780-310100-
Seguam to Adak Bering Side out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...NE wind 30 kt increasing to 45 kt in the afternoon. Seas
11 ft building to 17 ft in the afternoon. Widespread rain showers.
.TONIGHT...N wind 45 kt. Seas 20 ft.
.THU...NW wind 30 kt becoming W 20 kt in the afternoon. Seas 14
ft.
.THU NIGHT...SW wind 15 kt. Seas 8 ft.
.FRI THROUGH SAT...SW wind 35 kt. Seas 11 ft.
.SUN...SW wind 20 kt. Seas 7 ft.

$$

PKZ781-310100-
Seguam to Adak Bering Side from 15 to 85 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TODAY...NE wind 30 kt increasing to 40 kt in the afternoon. Seas
10 ft building to 16 ft in the afternoon. Rain.
.TONIGHT...N wind 45 kt. Seas 20 ft.
.THU...NW wind 35 kt becoming W 25 kt in the afternoon. Seas 15
ft.
.THU NIGHT...SW wind 20 kt. Seas 9 ft.
.FRI THROUGH SAT...SW wind 35 kt. Seas 15 ft.
.SUN...SW wind 20 kt. Seas 9 ft.

$$

PKZ782-310100-
Seguam to Adak Pacific Side out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...NE wind 30 kt increasing to 45 kt in the afternoon. Seas
9 ft building to 15 ft in the afternoon. Widespread rain showers.
.TONIGHT...N wind 45 kt. Seas 20 ft.
.THU...NW wind 30 kt becoming W 20 kt in the afternoon. Seas 11
ft.
.THU NIGHT...SW wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...SW wind 35 kt. Seas 13 ft.
.SUN...SW wind 20 kt. Seas 7 ft.

$$

PKZ783-310100-
Seguam to Adak Pacific Side from 15 to 75 NM-
351 AM AKDT Wed Aug 30 2023

...STORM WARNING THROUGH TONIGHT...

.TODAY...NE wind 40 kt increasing to 50 kt in the afternoon. Seas
13 ft building to 20 ft in the afternoon. Rain.
.TONIGHT...N wind 50 kt becoming NW 40 kt after midnight. Seas
23 ft. Rain.
.THU...NW wind 35 kt becoming W 25 kt in the afternoon. Seas 15
ft.
.THU NIGHT...W wind 20 kt. Seas 9 ft.
.FRI...SW wind 30 kt. Seas 12 ft.
.SAT...SW wind 35 kt. Seas 15 ft.
.SUN...SW wind 25 kt. Seas 11 ft.

$$

PKZ784-310100-
Adak to Kiska Bering Side-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...N wind 35 kt. Seas 13 ft.
.TONIGHT...N wind 35 kt. Seas 14 ft.
.THU...W wind 25 kt diminishing to 15 kt in the afternoon. Seas
11 ft.
.THU NIGHT...SW wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...SW wind 35 kt. Seas 14 ft.
.SUN...S wind 20 kt. Seas 8 ft.

$$

PKZ785-310100-
Adak to Kiska Pacific Side-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...N wind 40 kt. Seas 14 ft. Rain.
.TONIGHT...NW wind 40 kt diminishing to 30 kt after midnight. Seas
14 ft.
.THU...W wind 25 kt. Seas 10 ft.
.THU NIGHT...SW wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...SW wind 35 kt. Seas 15 ft.
.SUN...S wind 25 kt. Seas 11 ft.

$$

PKZ786-310100-
Kiska to Attu Bering Side-
351 AM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 25 kt. Seas 9 ft.
.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...W wind 20 kt. Seas 7 ft.
.THU NIGHT...SW wind 20 kt. Seas 7 ft.
.FRI...SW wind 40 kt. Seas 14 ft.
.SAT...SW wind 30 kt. Seas 13 ft.
.SUN...S wind 25 kt. Seas 9 ft.

$$

PKZ787-310100-
Kiska to Attu Pacific Side-
351 AM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...N wind 25 kt. Seas 9 ft.
.TONIGHT...NW wind 25 kt. Seas 9 ft.
.THU...W wind 20 kt. Seas 8 ft.
.THU NIGHT...SW wind 20 kt. Seas 7 ft.
.FRI...SW wind 40 kt. Seas 15 ft.
.SAT...SW wind 30 kt. Seas 15 ft.
.SUN...S wind 25 kt. Seas 9 ft.

$$

PKZ766-310100-
Pribilof Islands Nearshore Waters-
351 AM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY...

.TODAY...N wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 30 kt. Seas 10 ft. Rain.
.THU...N wind 30 kt. Seas 13 ft. Rain.
.THU NIGHT...W wind 25 kt. Seas 11 ft.
.FRI...SW wind 30 kt. Seas 11 ft.
.SAT...SW wind 35 kt. Seas 14 ft.
.SUN...W wind 20 kt. Seas 13 ft.

$$

PKZ760-310100-
Bristol Bay greater than 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...E wind 20 kt. Seas 5 ft.
.TONIGHT...E wind 20 kt becoming SE 30 kt after midnight. Seas 4
ft building to 8 ft after midnight. Rain.
.THU...S wind 35 kt. Seas 9 ft building to 13 ft in the afternoon.
Rain.
.THU NIGHT...SW wind 40 kt. Seas 16 ft.
.FRI THROUGH SAT...SW wind 30 kt. Seas 11 ft.
.SUN...W wind 25 kt. Seas 11 ft.

$$

PKZ761-310100-
Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...SE wind 20 kt diminishing to 10 kt in the afternoon. Seas
3 ft.
.TONIGHT...SE wind 25 kt. Seas 5 ft.
.THU...SE wind 35 kt. Seas 8 ft.
.THU NIGHT...SW wind 35 kt. Seas 13 ft.
.FRI...SW wind 30 kt. Seas 10 ft.
.SAT...SW wind 25 kt. Seas 9 ft.
.SUN...W wind 30 kt. Seas 10 ft.

$$

PKZ762-310100-
Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...E wind 20 kt. Seas 4 ft.
.TONIGHT...E wind 20 kt becoming SE 30 kt after midnight. Seas 3
ft building to 7 ft after midnight. Rain.
.THU...SE wind 35 kt. Seas 10 ft. Rain.
.THU NIGHT...SW wind 35 kt. Seas 11 ft.
.FRI...SW wind 30 kt. Seas 8 ft.
.SAT THROUGH SUN...W wind 25 kt. Seas 8 ft.

$$

PKZ763-310100-
Kuskokwim Delta and Etolin Strait out to 15 NM-
351 AM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY...

.TODAY...E wind 10 kt increasing to 15 kt in the afternoon. Seas
3 ft.
.TONIGHT...E wind 15 kt increasing to 30 kt after midnight. Seas
6 ft. Rain.
.THU...E wind 30 kt. Seas 7 ft. Rain.
.THU NIGHT...W wind 25 kt. Seas 7 ft.
.FRI...SW wind 25 kt. Seas 7 ft.
.SAT...SW wind 30 kt. Seas 8 ft.
.SUN...W wind 25 kt. Seas 7 ft.

$$

PKZ764-310100-
Kuskokwim Delta from 15 to 80 NM-
351 AM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TODAY...NE wind 15 kt. Seas 4 ft.
.TONIGHT...E wind 20 kt increasing to 30 kt after midnight. Seas
4 ft building to 9 ft after midnight. Rain.
.THU...SE wind 35 kt. Seas 13 ft. Rain.
.THU NIGHT...W wind 30 kt. Seas 12 ft.
.FRI...SW wind 25 kt. Seas 10 ft.
.SAT...SW wind 30 kt. Seas 14 ft.
.SUN...W wind 25 kt. Seas 11 ft.

$$

PKZ765-310100-
North and West of Nunivak Island-
351 AM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...Variable wind 10 kt. Seas 4 ft.
.TONIGHT...NE wind 20 kt. Seas 5 ft.
.THU...NE wind 25 kt. Seas 8 ft.
.THU NIGHT...W wind 25 kt. Seas 9 ft.
.FRI...SW wind 25 kt. Seas 8 ft.
.SAT...SW wind 30 kt. Seas 11 ft.
.SUN...W wind 25 kt. Seas 11 ft.

$$

PKZ767-310100-
Saint Matthew Island Waters-
351 AM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...N wind 15 kt. Seas 4 ft.
.TONIGHT...N wind 20 kt. Seas 5 ft.
.THU...N wind 25 kt. Seas 6 ft.
.THU NIGHT...W wind 25 kt. Seas 7 ft.
.FRI THROUGH SUN...W wind 25 kt. Seas 10 ft.

$$

681 
FZAK52 PAFC 310013
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
413 PM AKDT Wed Aug 30 2023

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-311300-
413 PM AKDT Wed Aug 30 2023
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 965 mb low 130 nm South of Seguam Island moves to Kuskokwim Bay
at 981 mb Thu afternoon, continuing inland into Northwest Alaska 
at 990 mb by Fri afternoon. Its front moves across the Aleutians 
and Alaska Peninsula for Fri morning, and trailing over the Bering
through Fri afternoon.

$$

PKZ750-311300-
Sitkinak to Castle Cape out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...SE wind 20 kt becoming S 30 kt after midnight. Seas 7
ft. Widespread rain showers.
.THU...S wind 45 kt. Seas 12 ft building to 18 ft in the
afternoon.
.THU NIGHT...SW wind 40 kt. Seas 18 ft.
.FRI...W wind 25 kt. Seas 10 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT THROUGH MON...NW wind 25 kt. Seas 8 ft.

$$

PKZ751-311300-
Sitkinak to Castle Cape from 15 to 100 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...S wind 30 kt. Seas 12 ft. Rain.
.THU...SW wind 45 kt. Seas 18 ft building to 24 ft in the
afternoon.
.THU NIGHT...SW wind 40 kt. Seas 26 ft.
.FRI...W wind 30 kt. Seas 16 ft.
.FRI NIGHT...W wind 20 kt. Seas 10 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 14 ft.
.MON...NW wind 25 kt. Seas 11 ft.

$$

PKZ752-311300-
Castle Cape to Cape Tolstoi out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...SE wind 25 kt becoming S 35 kt after midnight. Seas 5
ft building to 9 ft after midnight. Rain.
.THU...S wind 45 kt. Seas 16 ft. Rain.
.THU NIGHT...SW wind 40 kt diminishing to 30 kt after midnight.
Seas 13 ft.
.FRI AND FRI NIGHT...SW wind 20 kt. Seas 5 ft.
.SAT...SW wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...NW wind 20 kt. Seas 5 ft.

$$

PKZ753-311300-
Castle Cape to Cape Tolstoi from 15 to 100 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...S wind 30 kt increasing to 40 kt after midnight. Seas
11 ft building to 17 ft after midnight. Rain.
.THU...SW wind 45 kt. Gusts to 55 kt. Seas 30 ft.
.THU NIGHT...SW wind 40 kt diminishing to 30 kt after midnight.
Seas 26 ft subsiding to 18 ft after midnight.
.FRI...W wind 25 kt. Seas 13 ft.
.FRI NIGHT...W wind 20 kt. Seas 9 ft.
.SAT...SW wind 35 kt. Seas 17 ft.
.SUN...W wind 30 kt. Seas 16 ft.
.MON...W wind 25 kt. Seas 10 ft.

$$

PKZ754-311300-
Cape Tolstoi to Cape Sarichef out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...SE wind 30 kt becoming S 45 kt after midnight. Seas 8
ft building to 22 ft after midnight. Rain.
.THU...SW wind 45 kt. Gusts to 55 kt in the morning. Seas 25 ft.
.THU NIGHT...W wind 35 kt diminishing to 20 kt after midnight.
Seas 15 ft subsiding to 10 ft after midnight.
.FRI...W wind 15 kt. Seas 8 ft.
.FRI NIGHT...SW wind 20 kt. Seas 5 ft.
.SAT THROUGH SUN...W wind 25 kt. Seas 11 ft.
.MON...W wind 20 kt. Seas 4 ft.

$$

PKZ755-311300-
Cape Tolstoi to Cape Sarichef from 15 to 100 NM-
413 PM AKDT Wed Aug 30 2023

...STORM WARNING THROUGH THURSDAY...

.TONIGHT...S wind 35 kt increasing to 50 kt after midnight. Wind
gusts up to 60 kt late. Seas 14 ft building to 25 ft after midnight.
.THU...SW wind 50 kt. Gusts up to 60 kt in the morning. Seas 33 ft.
.THU NIGHT...SW wind 35 kt diminishing to 25 kt after midnight.
Seas 22 ft subsiding to 15 ft after midnight.
.FRI AND FRI NIGHT...SW wind 20 kt. Seas 10 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 16 ft.
.MON...W wind 25 kt. Seas 9 ft.

$$

PKZ756-311300-
Port Heiden to Nelson Lagoon out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...SE wind 25 kt increasing to 40 kt after midnight. Seas
5 ft.
.THU...S wind 40 kt. Seas 7 ft building to 11 ft in the afternoon.
.THU NIGHT...SW wind 40 kt becoming W 30 kt after midnight. Seas
13 ft.
.FRI AND FRI NIGHT...SW wind 25 kt. Seas 8 ft.
.SAT...SW wind 25 kt. Seas 11 ft.
.SUN...W wind 30 kt. Seas 11 ft.
.MON...W wind 25 kt. Seas 8 ft.

$$

PKZ757-311300-
Port Heiden to Nelson Lagoon from 15 to 60 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...E wind 30 kt becoming SE 40 kt after midnight. Seas 4
ft building to 8 ft after midnight. Rain showers.
.THU...S wind 45 kt. Seas 16 ft.
.THU NIGHT...SW wind 35 kt. Seas 17 ft.
.FRI AND FRI NIGHT...SW wind 25 kt. Seas 9 ft.
.SAT...SW wind 30 kt. Seas 13 ft.
.SUN THROUGH MON...W wind 25 kt. Seas 12 ft.

$$

PKZ758-311300-
Nelson Lagoon to Cape Sarichef out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...SE wind 30 kt becoming S 40 kt after midnight. Seas 3
ft building to 7 ft after midnight.
.THU...S wind 40 kt becoming SW 35 kt in the afternoon. Gusts to 50 
kt out of bays and passes before noon. Seas 10 ft.
.THU NIGHT...W wind 35 kt becoming SW 25 kt after midnight. Seas
9 ft.
.FRI AND FRI NIGHT...SW wind 20 kt. Seas 6 ft.
.SAT...S wind 30 kt. Seas 13 ft.
.SUN...W wind 25 kt. Seas 13 ft.
.MON...W wind 25 kt. Seas 8 ft.

$$

PKZ759-311300-
Nelson Lagoon to Cape Sarichef from 15 to 70 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...SE wind 30 kt becoming S 40 kt after midnight. Seas 6
ft building to 10 ft after midnight. Rain showers.
.THU...S wind 45 kt. Seas 14 ft.
.THU NIGHT...W wind 35 kt diminishing to 25 kt after midnight.
Seas 13 ft.
.FRI...SW wind 25 kt. Seas 9 ft.
.FRI NIGHT...SW wind 30 kt. Seas 8 ft.
.SAT...SW wind 30 kt. Seas 15 ft.
.SUN...W wind 25 kt. Seas 15 ft.
.MON...W wind 25 kt. Seas 10 ft.

$$

PKZ770-311300-
Cape Sarichef to Nikolski Bering Side out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...S wind 45 kt. Seas 9 ft. Rain.
.THU...W wind 35 kt. Seas 12 ft.
.THU NIGHT...W wind 25 kt. Seas 9 ft.
.FRI...SW wind 20 kt. Seas 6 ft.
.FRI NIGHT...SW wind 25 kt. Seas 4 ft.
.SAT THROUGH SUN...SW wind 30 kt. Seas 13 ft.
.MON...SW wind 20 kt. Seas 6 ft.

$$

PKZ772-311300-
Cape Sarichef to Nikolski Bering Side from 15 to 85 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...SE wind 40 kt. Seas 11 ft. Rain.
.THU...W wind 35 kt. Seas 13 ft.
.THU NIGHT...W wind 25 kt. Seas 10 ft.
.FRI...SW wind 25 kt. Seas 7 ft.
.FRI NIGHT...SW wind 30 kt. Seas 8 ft.
.SAT...SW wind 35 kt. Seas 15 ft.
.SUN...SW wind 25 kt. Seas 15 ft.
.MON...SW wind 25 kt. Seas 9 ft.

$$

PKZ771-311300-
Unalaska Bay-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT...

.TONIGHT...S wind 35 kt. Gusts to 45 kt after midnight. Seas 5 ft. 
Rain.
.THU...SW wind 30 kt. Seas 5 ft. Rain.
.THU NIGHT...W wind 20 kt diminishing to 10 kt after midnight.
Seas 3 ft.
.FRI...SW wind 10 kt. Seas 2 ft.
.FRI NIGHT...SW wind 15 kt. Seas 3 ft.
.SAT...S wind 25 kt. Seas 3 ft.
.SUN...W wind 20 kt. Seas 3 ft.
.MON...SW wind 10 kt. Seas 2 ft.

$$

PKZ773-311300-
Cape Sarichef to Nikolski Pacific Side out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...STORM WARNING TONIGHT...

.TONIGHT...S wind 40 kt increasing to 50 kt after midnight. Seas
19 ft building to 27 ft after midnight. Widespread rain showers.
.THU...SW wind 45 kt becoming W 35 kt in the afternoon. Seas 25 ft
subsiding to 18 ft in the afternoon.
.THU NIGHT...W wind 25 kt diminishing to 15 kt after midnight.
Seas 12 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 25 kt. Seas 6 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 11 ft.
.MON...SW wind 20 kt. Seas 4 ft.

$$

PKZ774-311300-
Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM-
413 PM AKDT Wed Aug 30 2023

...STORM WARNING THROUGH THURSDAY...

.TONIGHT...S wind 50 kt. Seas 23 ft building to 32 ft after
midnight.
.THU...SW wind 50 kt becoming W 40 kt in the afternoon. Seas 33 ft
subsiding to 24 ft in the afternoon.
.THU NIGHT...W wind 30 kt diminishing to 20 kt after midnight.
Seas 16 ft subsiding to 11 ft after midnight.
.FRI...SW wind 20 kt. Seas 9 ft.
.FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 15 ft.
.MON...SW wind 20 kt. Seas 8 ft.

$$

PKZ775-311300-
Nikolski to Seguam Bering Side out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...E wind 35 kt becoming W after midnight. Seas 14 ft
building to 19 ft after midnight. Rain.
.THU...W wind 35 kt diminishing to 25 kt in the afternoon. Seas
17 ft.
.THU NIGHT...W wind 20 kt. Seas 10 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 30 kt. Seas 6 ft.
.SAT...SW wind 35 kt. Seas 13 ft.
.SUN...SW wind 25 kt. Seas 11 ft.
.MON...S wind 25 kt. Seas 7 ft.

$$

PKZ776-311300-
Nikolski to Seguam Bering Side from 15 to 85 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...NE wind 40 kt becoming NW after midnight. Seas 13 ft
building to 20 ft after midnight. Rain.
.THU...NW wind 35 kt becoming W 25 kt in the afternoon. Seas 17
ft.
.THU NIGHT...W wind 15 kt. Seas 10 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 30 kt. Seas 8 ft.
.SAT...SW wind 35 kt. Seas 14 ft.
.SUN...SW wind 25 kt. Seas 12 ft.
.MON...S wind 25 kt. Seas 8 ft.

$$

PKZ777-311300-
Nikolski to Seguam Pacfic Side out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...SE wind 35 kt becoming W after midnight. Seas 23 ft.
Widespread rain showers.
.THU...W wind 40 kt diminishing to 25 kt in the afternoon. Seas
18 ft subsiding to 13 ft in the afternoon.
.THU NIGHT...W wind 20 kt. Seas 10 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 30 kt. Seas 7 ft.
.SAT...SW wind 35 kt. Seas 13 ft.
.SUN...SW wind 25 kt. Seas 10 ft.
.MON...S wind 25 kt. Seas 6 ft.

$$

PKZ778-311300-
Nikolski to Seguam Pacific Side from 15 to 75 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...S wind 45 kt. Seas 28 ft.
.THU...W wind 40 kt diminishing to 25 kt in the afternoon. Seas
21 ft subsiding to 14 ft in the afternoon.
.THU NIGHT...W wind 20 kt. Seas 11 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT...SW wind 35 kt. Seas 15 ft.
.SUN...SW wind 25 kt. Seas 13 ft.
.MON...SW wind 25 kt. Seas 8 ft.

$$

PKZ780-311300-
Seguam to Adak Bering Side out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...STORM WARNING TONIGHT...

.TONIGHT...N wind 50 kt becoming NW 40 kt after midnight. Seas
16 ft.
.THU...NW wind 30 kt becoming W 20 kt in the afternoon. Seas 12
ft.
.THU NIGHT...W wind 15 kt. Seas 8 ft.
.FRI...SW wind 25 kt. Seas 5 ft.
.FRI NIGHT...SW wind 30 kt. Seas 5 ft.
.SAT...SW wind 35 kt. Seas 9 ft.
.SUN...SW wind 20 kt. Seas 7 ft.
.MON...S wind 25 kt. Seas 6 ft.

$$

PKZ781-311300-
Seguam to Adak Bering Side from 15 to 85 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT...

.TONIGHT...N wind 45 kt. Seas 16 ft.
.THU...NW wind 30 kt becoming W 20 kt in the afternoon. Seas 13
ft.
.THU NIGHT...SW wind 20 kt. Seas 8 ft.
.FRI...SW wind 25 kt. Seas 6 ft.
.FRI NIGHT...SW wind 30 kt. Seas 9 ft.
.SAT...SW wind 35 kt. Seas 12 ft.
.SUN...SW wind 20 kt. Seas 9 ft.
.MON...S wind 25 kt. Seas 9 ft.

$$

PKZ782-311300-
Seguam to Adak Pacific Side out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...STORM WARNING TONIGHT...

.TONIGHT...N wind 50 kt. Seas 16 ft.
.THU...W wind 25 kt. Seas 10 ft.
.THU NIGHT...W wind 15 kt. Seas 7 ft.
.FRI...SW wind 20 kt. Seas 5 ft.
.FRI NIGHT...SW wind 30 kt. Seas 7 ft.
.SAT...SW wind 35 kt. Seas 14 ft.
.SUN...SW wind 20 kt. Seas 7 ft.
.MON...S wind 25 kt. Seas 6 ft.

$$

PKZ783-311300-
Seguam to Adak Pacific Side from 15 to 75 NM-
413 PM AKDT Wed Aug 30 2023

...STORM WARNING TONIGHT...

.TONIGHT...NW wind 55 kt diminishing to 40 kt after midnight. Seas
21 ft.
.THU...W wind 30 kt diminishing to 20 kt in the afternoon. Seas
13 ft.
.THU NIGHT...W wind 15 kt. Seas 9 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 30 kt. Seas 8 ft.
.SAT...SW wind 35 kt. Seas 15 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 10 ft.

$$

PKZ784-311300-
Adak to Kiska Bering Side-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT...

.TONIGHT...NW wind 35 kt. Seas 11 ft.
.THU...NW wind 20 kt. Seas 9 ft.
.THU NIGHT...SW wind 20 kt. Seas 7 ft.
.FRI...SW wind 25 kt. Seas 7 ft.
.FRI NIGHT...SW wind 35 kt. Seas 11 ft.
.SAT...SW wind 35 kt. Seas 12 ft.
.SUN...S wind 20 kt. Seas 8 ft.
.MON...S wind 30 kt. Seas 9 ft.

$$

PKZ785-311300-
Adak to Kiska Pacific Side-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING TONIGHT...

.TONIGHT...NW wind 40 kt diminishing to 30 kt after midnight. Seas
12 ft.
.THU...W wind 25 kt diminishing to 15 kt in the afternoon. Seas
9 ft.
.THU NIGHT...W wind 15 kt. Seas 7 ft.
.FRI...SW wind 25 kt. Seas 7 ft.
.FRI NIGHT...SW wind 35 kt. Seas 12 ft.
.SAT...SW wind 35 kt. Seas 15 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 10 ft.

$$

PKZ786-311300-
Kiska to Attu Bering Side-
413 PM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 25 kt diminishing to 15 kt after midnight. Seas
7 ft.
.THU...W wind 20 kt. Seas 7 ft.
.THU NIGHT...W wind 20 kt. Seas 7 ft.
.FRI AND FRI NIGHT...SW wind 35 kt. Seas 12 ft.
.SAT THROUGH SUN...S wind 25 kt. Seas 10 ft.
.MON...S wind 30 kt. Seas 10 ft.

$$

PKZ787-311300-
Kiska to Attu Pacific Side-
413 PM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...W wind 15 kt. Seas 8 ft.
.THU NIGHT...W wind 20 kt. Seas 7 ft.
.FRI...SW wind 40 kt. Seas 11 ft.
.FRI NIGHT...SW wind 35 kt. Seas 12 ft.
.SAT...SW wind 30 kt. Seas 13 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 10 ft.

$$

PKZ766-311300-
Pribilof Islands Nearshore Waters-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...NE wind 35 kt. Seas 10 ft. Widespread rain showers.
.THU...N wind 35 kt. Seas 12 ft. Rain.
.THU NIGHT...W wind 25 kt. Seas 10 ft.
.FRI...SW wind 25 kt. Seas 7 ft.
.FRI NIGHT...SW wind 30 kt. Seas 10 ft.
.SAT...SW wind 35 kt. Seas 14 ft.
.SUN...W wind 20 kt. Seas 13 ft.
.MON...S wind 25 kt. Seas 8 ft.

$$

PKZ760-311300-
Bristol Bay greater than 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...SE wind 25 kt increasing to 35 kt after midnight. Seas
4 ft building to 7 ft after midnight. Rain showers.
.THU...S wind 40 kt. Seas 10 ft building to 14 ft in the
afternoon. Rain.
.THU NIGHT...SW wind 35 kt. Seas 16 ft.
.FRI AND FRI NIGHT...SW wind 25 kt. Seas 9 ft.
.SAT...SW wind 30 kt. Seas 11 ft.
.SUN THROUGH MON...W wind 25 kt. Seas 10 ft.

$$

PKZ761-311300-
Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...SE wind 25 kt increasing to 35 kt after midnight. Seas
4 ft. Rain showers.
.THU...S wind 35 kt. Seas 8 ft.
.THU NIGHT...SW wind 35 kt. Seas 13 ft.
.FRI AND FRI NIGHT...SW wind 25 kt. Seas 8 ft.
.SAT...SW wind 25 kt. Seas 9 ft.
.SUN...W wind 30 kt. Seas 10 ft.
.MON...W wind 25 kt. Seas 8 ft.

$$

PKZ762-311300-
Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...SE wind 25 kt increasing to 35 kt after midnight. Seas
3 ft building to 6 ft after midnight. Rain.
.THU...S wind 40 kt. Seas 10 ft. Rain.
.THU NIGHT...SW wind 35 kt. Seas 11 ft.
.FRI AND FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT THROUGH SUN...W wind 25 kt. Seas 7 ft.
.MON...W wind 20 kt. Seas 5 ft.

$$

PKZ763-311300-
Kuskokwim Delta and Etolin Strait out to 15 NM-
413 PM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT...

.TONIGHT...E wind 20 kt increasing to 30 kt after midnight. Seas
5 ft. Rain.
.THU...E wind 30 kt becoming NE 20 kt in the afternoon. Seas 5 ft.
Rain.
.THU NIGHT...W wind 25 kt. Seas 6 ft.
.FRI AND FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT...SW wind 30 kt. Seas 8 ft.
.SUN THROUGH MON...W wind 25 kt. Seas 6 ft.

$$

PKZ764-311300-
Kuskokwim Delta from 15 to 80 NM-
413 PM AKDT Wed Aug 30 2023

...GALE WARNING THURSDAY...

.TONIGHT...E wind 30 kt. Seas 4 ft building to 8 ft after
midnight. Rain.
.THU...SE wind 40 kt becoming W in the afternoon. Seas 13 ft.
Rain.
.THU NIGHT...W wind 30 kt. Seas 13 ft.
.FRI...SW wind 30 kt. Seas 9 ft.
.FRI NIGHT...SW wind 25 kt. Seas 9 ft.
.SAT...SW wind 30 kt. Seas 12 ft.
.SUN...W wind 25 kt. Seas 11 ft.
.MON...W wind 20 kt. Seas 9 ft.

$$

PKZ765-311300-
North and West of Nunivak Island-
413 PM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 5 ft.
.THU...NE wind 30 kt. Seas 7 ft.
.THU NIGHT...NW wind 25 kt. Seas 8 ft.
.FRI AND FRI NIGHT...SW wind 25 kt. Seas 8 ft.
.SAT...SW wind 30 kt. Seas 11 ft.
.SUN...W wind 25 kt. Seas 11 ft.
.MON...S wind 25 kt. Seas 8 ft.

$$

PKZ767-311300-
Saint Matthew Island Waters-
413 PM AKDT Wed Aug 30 2023

...SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT...

.TONIGHT...N wind 25 kt. Seas 5 ft.
.THU...N wind 30 kt E of Saint Matthew Island... NW 25 kt W of
Saint Matthew Island. Seas 6 ft.
.THU NIGHT...W wind 25 kt. Seas 7 ft.
.FRI...SW wind 20 kt. Seas 6 ft.
.FRI NIGHT...S wind 30 kt. Seas 8 ft.
.SAT...SW wind 30 kt. Seas 11 ft.
.SUN...W wind 25 kt. Seas 11 ft.
.MON...S wind 30 kt. Seas 10 ft.

$$

114 
FZAK52 PAFC 311142
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
342 AM AKDT Thu Aug 31 2023

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-010045-
342 AM AKDT Thu Aug 31 2023
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 971 mb low 60 nm north of Dutch Harbor moves into Southwest 
Alaska at 980 mb by Thu afternoon. A front enters the western 
Bering Fri afternoon and moves into the central Bering Sat 
morning.

$$

PKZ750-010045-
Sitkinak to Castle Cape out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...S wind 40 kt. Seas 13 ft building to 19 ft in the
afternoon.
.TONIGHT...SW wind 40 kt diminishing to 30 kt after midnight. Seas
19 ft subsiding to 14 ft after midnight.
.FRI...W wind 25 kt. Seas 10 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 9 ft.
.MON...NW wind 25 kt. Seas 6 ft.

$$

PKZ751-010045-
Sitkinak to Castle Cape from 15 to 100 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...SW wind 45 kt. Seas 24 ft.
.TONIGHT...SW wind 40 kt. Seas 24 ft.
.FRI...W wind 25 kt. Seas 15 ft.
.FRI NIGHT...W wind 20 kt. Seas 9 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 11 ft.
.MON...NW wind 30 kt. Seas 11 ft.

$$

PKZ752-010045-
Castle Cape to Cape Tolstoi out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...S wind 40 kt. Seas 16 ft.
.TONIGHT...SW wind 40 kt diminishing to 30 kt after midnight. Seas
14 ft subsiding to 9 ft after midnight.
.FRI...W wind 20 kt. Seas 6 ft.
.FRI NIGHT...SW wind 20 kt. Seas 5 ft.
.SAT...SW wind 30 kt. Seas 8 ft.
.SUN...W wind 25 kt. Seas 8 ft.
.MON...NW wind 25 kt. Seas 4 ft.

$$

PKZ753-010045-
Castle Cape to Cape Tolstoi from 15 to 100 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...SW wind 45 kt. Gusts to 55 kt before noon. Seas 29 ft.
.TONIGHT...SW wind 40 kt diminishing to 30 kt after midnight. Seas
24 ft subsiding to 17 ft after midnight.
.FRI...W wind 25 kt. Seas 12 ft.
.FRI NIGHT...W wind 20 kt. Seas 9 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 12 ft.

$$

PKZ754-010045-
Cape Tolstoi to Cape Sarichef out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...SW wind 45 kt. Gusts to 55 kt before noon. Seas 24 ft.
.TONIGHT...W wind 30 kt diminishing to 20 kt after midnight. Seas
14 ft.
.FRI...W wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 20 kt. Seas 6 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 10 ft.
.MON...W wind 25 kt. Seas 5 ft.

$$

PKZ755-010045-
Cape Tolstoi to Cape Sarichef from 15 to 100 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...SW wind 45 kt. Gusts to 60 kt before noon. Seas 32 ft.
.TONIGHT...SW wind 35 kt diminishing to 25 kt after midnight. Seas
21 ft subsiding to 14 ft after midnight.
.FRI...W wind 20 kt. Seas 10 ft.
.FRI NIGHT...SW wind 20 kt. Seas 8 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 12 ft.

$$

PKZ756-010045-
Port Heiden to Nelson Lagoon out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...S wind 40 kt. Gusts to 50 kt out of bays and passes before
noon. Seas 12 ft.
.TONIGHT...SW wind 40 kt diminishing to 30 kt after midnight. Seas
14 ft.
.FRI AND FRI NIGHT...SW wind 25 kt. Seas 8 ft.
.SAT...S wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...W wind 30 kt. Seas 9 ft.

$$

PKZ757-010045-
Port Heiden to Nelson Lagoon from 15 to 60 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...S wind 40 kt. Gusts to 50 kt out of bays and passes before
noon. Seas 16 ft.
.TONIGHT...SW wind 35 kt. Seas 17 ft.
.FRI AND FRI NIGHT...W wind 25 kt. Seas 9 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 11 ft.

$$

PKZ758-010045-
Nelson Lagoon to Cape Sarichef out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...SW wind 40 kt. Gusts to 50 kt out of bays and passes before
noon. Seas 11 ft.
.TONIGHT...W wind 30 kt. Seas 10 ft.
.FRI AND FRI NIGHT...SW wind 20 kt. Seas 7 ft.
.SAT...SW wind 30 kt. Seas 8 ft.
.SUN THROUGH MON...W wind 30 kt. Seas 9 ft.

$$

PKZ759-010045-
Nelson Lagoon to Cape Sarichef from 15 to 70 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...SW wind 40 kt. Seas 15 ft.
.TONIGHT...W wind 30 kt. Seas 14 ft.
.FRI...SW wind 25 kt. Seas 8 ft.
.FRI NIGHT...SW wind 30 kt. Seas 9 ft.
.SAT...SW wind 30 kt. Seas 12 ft.
.SUN...W wind 30 kt. Seas 12 ft.
.MON...W wind 25 kt. Seas 10 ft.

$$

PKZ770-010045-
Cape Sarichef to Nikolski Bering Side out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...W wind 35 kt. Seas 11 ft.
.TONIGHT...W wind 25 kt. Seas 9 ft.
.FRI...SW wind 20 kt. Seas 6 ft.
.FRI NIGHT...SW wind 25 kt. Seas 5 ft.
.SAT...SW wind 30 kt. Seas 8 ft.
.SUN...W wind 30 kt. Seas 9 ft.
.MON...SW wind 25 kt. Seas 6 ft.

$$

PKZ772-010045-
Cape Sarichef to Nikolski Bering Side from 15 to 85 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...W wind 35 kt. Seas 13 ft.
.TONIGHT...W wind 25 kt. Seas 10 ft.
.FRI...SW wind 20 kt. Seas 8 ft.
.FRI NIGHT...SW wind 30 kt. Seas 9 ft.
.SAT...SW wind 35 kt. Seas 13 ft.
.SUN...W wind 30 kt. Seas 12 ft.
.MON...SW wind 25 kt. Seas 8 ft.

$$

PKZ771-010045-
Unalaska Bay-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...W wind 35 kt. Gusts to 45 kt before noon. Seas 5 ft. Rain.
.TONIGHT...W wind 25 kt diminishing to 15 kt after midnight. Seas
3 ft.
.FRI...SW wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft.
.FRI NIGHT...SW wind 15 kt. Seas 2 ft.
.SAT THROUGH SUN...W wind 25 kt. Seas 3 ft.
.MON...SW wind 15 kt. Seas 2 ft.

$$

PKZ773-010045-
Cape Sarichef to Nikolski Pacific Side out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...SW wind 40 kt becoming W 30 kt in the afternoon. Seas 23
ft subsiding to 17 ft in the afternoon.
.TONIGHT...W wind 20 kt. Seas 11 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 11 ft.
.MON...SW wind 25 kt. Seas 5 ft.

$$

PKZ774-010045-
Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...SW wind 45 kt. Seas 31 ft subsiding to 23 ft in the
afternoon.
.TONIGHT...W wind 25 kt. Seas 15 ft subsiding to 10 ft after
midnight.
.FRI...W wind 20 kt. Seas 9 ft.
.FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 13 ft.
.MON...W wind 25 kt. Seas 9 ft.

$$

PKZ775-010045-
Nikolski to Seguam Bering Side out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...W wind 35 kt diminishing to 25 kt in the afternoon. Seas
17 ft subsiding to 12 ft in the afternoon.
.TONIGHT...W wind 20 kt. Seas 9 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT...SW wind 35 kt. Seas 10 ft.
.SUN...W wind 25 kt. Seas 9 ft.
.MON...SW wind 20 kt. Seas 5 ft.

$$

PKZ776-010045-
Nikolski to Seguam Bering Side from 15 to 85 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...NW wind 35 kt becoming W 25 kt in the afternoon. Seas
17 ft.
.TONIGHT...W wind 15 kt. Seas 9 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 30 kt. Seas 9 ft.
.SAT...SW wind 35 kt. Seas 12 ft.
.SUN...W wind 25 kt. Seas 11 ft.
.MON...SW wind 25 kt. Seas 7 ft.

$$

PKZ777-010045-
Nikolski to Seguam Pacfic Side out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...W wind 35 kt diminishing to 25 kt in the afternoon. Seas
18 ft subsiding to 12 ft in the afternoon.
.TONIGHT...W wind 20 kt. Seas 9 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT...SW wind 35 kt. Seas 12 ft.
.SUN...W wind 25 kt. Seas 11 ft.
.MON...SW wind 20 kt. Seas 5 ft.

$$

PKZ778-010045-
Nikolski to Seguam Pacific Side from 15 to 75 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...W wind 40 kt diminishing to 25 kt in the afternoon. Seas
20 ft subsiding to 14 ft in the afternoon.
.TONIGHT...W wind 20 kt. Seas 10 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT...SW wind 35 kt. Seas 14 ft.
.SUN...W wind 30 kt. Seas 13 ft.
.MON...SW wind 20 kt. Seas 8 ft.

$$

PKZ780-010045-
Seguam to Adak Bering Side out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY TODAY AND FRIDAY...

.TODAY...NW wind 25 kt. Seas 12 ft.
.TONIGHT...W wind 15 kt. Seas 7 ft.
.FRI...SW wind 25 kt. Seas 6 ft.
.FRI NIGHT...SW wind 30 kt. Seas 6 ft.
.SAT...SW wind 35 kt. Seas 8 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 5 ft.

$$

PKZ781-010045-
Seguam to Adak Bering Side from 15 to 85 NM-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY TODAY AND FRIDAY...

.TODAY...NW wind 30 kt becoming W 20 kt in the afternoon. Seas
13 ft.
.TONIGHT...SW wind 20 kt. Seas 7 ft.
.FRI...SW wind 25 kt. Seas 7 ft.
.FRI NIGHT...SW wind 30 kt. Seas 9 ft.
.SAT...SW wind 35 kt. Seas 12 ft.
.SUN...SW wind 25 kt. Seas 9 ft.
.MON...S wind 30 kt. Seas 7 ft.

$$

PKZ782-010045-
Seguam to Adak Pacific Side out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY TODAY...

.TODAY...W wind 25 kt. Seas 10 ft.
.TONIGHT...W wind 15 kt. Seas 7 ft.
.FRI...SW wind 20 kt. Seas 6 ft.
.FRI NIGHT...SW wind 30 kt. Seas 7 ft.
.SAT...SW wind 35 kt. Seas 12 ft.
.SUN...SW wind 25 kt. Seas 10 ft.
.MON...S wind 20 kt. Seas 6 ft.

$$

PKZ783-010045-
Seguam to Adak Pacific Side from 15 to 75 NM-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...W wind 30 kt diminishing to 20 kt in the afternoon. Seas
13 ft.
.TONIGHT...W wind 15 kt. Seas 8 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.FRI NIGHT...SW wind 30 kt. Seas 8 ft.
.SAT...SW wind 35 kt. Seas 14 ft.
.SUN...SW wind 30 kt. Seas 13 ft.
.MON...S wind 25 kt. Seas 9 ft.

$$

PKZ784-010045-
Adak to Kiska Bering Side-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY TODAY AND FRIDAY...

.TODAY...NW wind 20 kt. Seas 9 ft.
.TONIGHT...SW wind 20 kt. Seas 7 ft.
.FRI...SW wind 25 kt. Seas 7 ft.
.FRI NIGHT...SW wind 35 kt. Seas 12 ft.
.SAT...SW wind 35 kt. Seas 12 ft.
.SUN...S wind 25 kt. Seas 8 ft.
.MON...S wind 30 kt. Seas 9 ft.

$$

PKZ785-010045-
Adak to Kiska Pacific Side-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY TODAY AND FRIDAY...

.TODAY...W wind 20 kt. Seas 9 ft.
.TONIGHT...SW wind 20 kt. Seas 7 ft.
.FRI...SW wind 20 kt. Seas 8 ft.
.FRI NIGHT...SW wind 35 kt. Seas 11 ft.
.SAT...SW wind 35 kt. Seas 14 ft.
.SUN THROUGH MON...S wind 25 kt. Seas 11 ft.

$$

PKZ786-010045-
Kiska to Attu Bering Side-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING FRIDAY...

.TODAY...W wind 20 kt. Seas 6 ft.
.TONIGHT...W wind 20 kt. Seas 7 ft.
.FRI...SW wind 25 kt increasing to 40 kt in the afternoon. Seas
12 ft. Rain.
.FRI NIGHT...SW wind 35 kt. Seas 13 ft.
.SAT...SW wind 25 kt. Seas 10 ft.
.SUN...S wind 25 kt. Seas 8 ft.
.MON...S wind 30 kt. Seas 9 ft.

$$

PKZ787-010045-
Kiska to Attu Pacific Side-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING FRIDAY...

.TODAY...W wind 15 kt. Seas 7 ft.
.TONIGHT...W wind 20 kt. Seas 7 ft.
.FRI...SW wind 25 kt increasing to 35 kt in the afternoon. Seas 7
ft building to 13 ft in the afternoon. Rain.
.FRI NIGHT...SW wind 35 kt. Seas 13 ft.
.SAT...SW wind 30 kt. Seas 13 ft.
.SUN...S wind 25 kt. Seas 11 ft.
.MON...S wind 30 kt. Seas 9 ft.

$$

PKZ766-010045-
Pribilof Islands Nearshore Waters-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...N wind 30 kt. Seas 13 ft. Rain.
.TONIGHT...SW wind 25 kt. Seas 10 ft.
.FRI...SW wind 25 kt. Seas 8 ft.
.FRI NIGHT...SW wind 30 kt. Seas 10 ft.
.SAT...SW wind 35 kt. Seas 13 ft.
.SUN...W wind 25 kt. Seas 11 ft.
.MON...S wind 25 kt. Seas 8 ft.

$$

PKZ760-010045-
Bristol Bay greater than 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...S wind 30 kt increasing to 40 kt in the afternoon. Seas
11 ft building to 15 ft in the afternoon.
.TONIGHT...SW wind 35 kt. Seas 16 ft.
.FRI...SW wind 30 kt. Seas 9 ft.
.FRI NIGHT...SW wind 25 kt. Seas 9 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 10 ft.

$$

PKZ761-010045-
Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...S wind 35 kt. Seas 10 ft.
.TONIGHT...SW wind 35 kt. Seas 14 ft.
.FRI...SW wind 25 kt. Seas 9 ft.
.FRI NIGHT...SW wind 25 kt. Seas 8 ft.
.SAT...SW wind 25 kt. Seas 8 ft.
.SUN...SW wind 30 kt. Seas 8 ft.
.MON...W wind 30 kt. Seas 10 ft.

$$

PKZ762-010045-
Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING THROUGH TONIGHT...

.TODAY...S wind 35 kt. Seas 11 ft. Rain.
.TONIGHT...SW wind 35 kt. Seas 12 ft.
.FRI...W wind 30 kt. Seas 8 ft.
.FRI NIGHT...SW wind 25 kt. Seas 7 ft.
.SAT...SW wind 30 kt. Seas 7 ft.
.SUN THROUGH MON...W wind 25 kt. Seas 7 ft.

$$

PKZ763-010045-
Kuskokwim Delta and Etolin Strait out to 15 NM-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...E wind 25 kt becoming N in the afternoon. Seas 7 ft.
Rain.
.TONIGHT...W wind 25 kt. Seas 7 ft.
.FRI...SW wind 30 kt. Seas 8 ft.
.FRI NIGHT...SW wind 25 kt. Seas 6 ft.
.SAT...SW wind 30 kt. Seas 9 ft.
.SUN...W wind 30 kt. Seas 7 ft.
.MON...SW wind 25 kt. Seas 6 ft.

$$

PKZ764-010045-
Kuskokwim Delta from 15 to 80 NM-
342 AM AKDT Thu Aug 31 2023

...GALE WARNING TODAY...

.TODAY...SE wind 35 kt becoming W in the afternoon. Seas 13 ft.
Rain.
.TONIGHT...W wind 30 kt. Seas 13 ft.
.FRI...SW wind 30 kt. Seas 10 ft.
.FRI NIGHT...SW wind 25 kt. Seas 9 ft.
.SAT...SW wind 30 kt. Seas 12 ft.
.SUN THROUGH MON...SW wind 30 kt. Seas 10 ft.

$$

PKZ765-010045-
North and West of Nunivak Island-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...N wind 25 kt. Seas 9 ft. Rain.
.TONIGHT...SW wind 30 kt. Seas 9 ft.
.FRI...W wind 30 kt. Seas 8 ft.
.FRI NIGHT...S wind 25 kt. Seas 8 ft.
.SAT...SW wind 30 kt. Seas 12 ft.
.SUN...W wind 25 kt. Seas 9 ft.
.MON...S wind 25 kt. Seas 9 ft.

$$

PKZ767-010045-
Saint Matthew Island Waters-
342 AM AKDT Thu Aug 31 2023

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...N wind 30 kt E of Saint Matthew Island...NW 20 kt W of
Saint Matthew Island. Seas 6 ft.
.TONIGHT...W wind 25 kt. Seas 7 ft.
.FRI...E of Saint Matthew Island, W wind 30 kt becoming SW 20 kt
in the afternoon. W of Saint Matthew Island, SW wind 20 kt. Seas 7 
ft.
.FRI NIGHT...S wind 30 kt. Seas 8 ft.
.SAT...W wind 30 kt. Seas 11 ft.
.SUN...W wind 25 kt. Seas 10 ft.
.MON...S wind 25 kt. Seas 11 ft.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
512 AM AKDT Tue Aug 29 2023

.ANALYSIS AND UPPER LEVELS...

Widespread areas of rainfall are continuing to push north into the
southern Mainland this morning as a deep moisture tap containing
precipitable water values as high as 1.5 inches continues to
stream north between a closed low in the Bering Sea and a strong
ridge over Northwest Canada. A weak surface low and supporting
shortwave trough have now crossed over the Alaska Peninsula from
the south into Bristol Bay, with bands of rain near the center
now stretching between Bristol Bay and the Lower Kuskokwim Valley.
Strong south to southeast flow developing aloft to the east of
this system is beginning to foster precipitation mostly forced by
upslope flow into mountainous terrain across Southcentral.
Conversely, most of the lee side of the mountains across the
western Kenai Peninsula, Matanuska Valley and Copper Basin is
mostly drying out due to downslope flow and warming/drying.

Out in the far west, a stacked and occluded low is now
approaching Nikolski from the west as it tracks along the Aleutian
Chain and as rain moves along the occluded frontal boundary into
the Dutch Harbor vicinity. A corridor of easterly winds around 30
kt north of the center continues to slowly decrease in intensity
as the low weakens. Otherwise, the rest of the Bering Sea is
relatively quiet aside from some low to midlevel stratus drifting
north of the low.

&&

.MODEL DISCUSSION...

Models are overall coming into better alignment with the key
features to watch over the next few days. There is increasingly
good agreement that southeasterly mid to upper level flow
developing across Southcentral today into Tuesday will focus most
of the additional rainfall where favored by upslope flow into the
mountains surrounding Prince William Sound and along much of the
Alaska Range. By Tuesday night and Wednesday, models are all
keying in on a negatively-tilted upper shortwave expected to lift
northeast up the Cook Inlet and Kenai Peninsula. This will likely
help focus an axis of briefly heavier rainfall following along and
ahead of the trough axis, but there is still some model
disagreement for the timing and orientation of this shortwave and
brief period of heavier rainfall moving up from the Kenai
Peninsula into Anchorage and the Matanuska Valley.

For the remnants of Damrey, models have improved significantly in
terms of spatial/temporal agreement for the system as it rapidly
deepens into a storm force low on Wednesday, then crosses into the
Bering Sea on Thursday. There is still a bit of uncertainty in
terms of where the core of strongest winds to the south of the
center will track, with any slight north or south shift in the
track of the center possibly leading to much stronger or weaker
peak winds along the eastern Aleutian Chain and southern AKPen.
There also remains good agreement that that this system will
weaken quickly on approach to Southwest late on Thursday.

&&

.AVIATION...
PANC...Southeasterly winds are trying to make it into the
terminal early this morning. The transition form a northerly
surface wind to southeast (winds aloft are southeast) has produced
some low level wind shear overnight, but tat should end as winds
go southeast. This shift in direction should also help keep
ceilings mainly VFR through the day. While ceilings could drop to
MVFR during the evening to overnight hours, it looks like they
should remain mostly VFR.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3: Today
through Thursday)...

Southcentral is looking at more rainfall due to moisture streaming
in from the south at all levels along a front that runs from well
south of the Gulf into the Interior of the state. Lifting from
this front as well as the upper level trough will be sufficient to
keep this rain around throughout the day for most of the area. As
this front lifts northward, there may be a break in rain
overnight Wednesday into Wednesday night before the next wave
moves into the region for Thursday.

As has been the case the past few days, the moisture moving into
Southcentral is very deep and 2 to 4 inches of additional
rainfall are possible for the north Gulf coast and Prince William
Sound areas as well as for the Alaska Range. This is the cause of
the Flood Watches for these areas that run into Wednesday.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA/BERING SEA/ALEUTIANS (Days
1 through 2: This morning through Thursday morning)...

A pair of occluded lows, one lifting across Kodiak Island into
the Western Alaska Range, and a second one traversing into the
Eastern Aleutians, are bringing abundant moisture into the Alaska
Peninsula as well as much of Southwest Alaska with their forward
progress this morning. CIMSS MIMIC Layer shows precipitable water
values approaching one inch stretching from Unalaska into the
Lower Kuskokwim Valley. Not coincidentally, rain chances will
remain in the forecast across Southwest Alaska and much of the
Aleutians for the next couple of days. Further aiding in rain
chances today is the arrival of a shortwave trough into the
Southwest coast this morning, as the occluded low over the
Aleutians begins to break down and devolve into several smaller
disturbances. Scattered showers are forecast to spread northward
from the Western Alaska Range and into the Kuskokwim Delta through
this evening.

What remains of the occluded low is forecast to finally push into
Southwest Alaska on Wednesday, bringing with it more rain for
Southwest and scattered showers along the Aleutian Chain on its
way. All attention then shifts to the remnants of Tropical Storm
Damrey late Wednesday into Thursday. Models continue to depict the
development of a deep extratropical low lifting out of the North
Pacific and into the southern Bering by Thursday morning. The low
will be preceded by a broad front as early as Wednesday afternoon
with expected precipitation to stretch across the entire Aleutian
Chain. Furthermore, given the potential strength of the low, with
multiple models showing the low bottom out into the 960 millibar
range, an attendant threat for elevated winds will also exist. As
with the previous discussion, current thinking is that the low
will occlude before hitting the Aleutians, and subsequent winds
should begin to gradually weaken. However, sustained gales and
even storm force winds appear likely along the Aleutians as early
as Wednesday afternoon for the Western and Central Aleutians.
Further east, the highest winds are forecast to remain on the
Pacific side of the chain, though storm force gap winds through
the Eastern Aleutians will be possible, with southerly gales on
the Bering side of the Aleutians.

&&

.LONG TERM FORECAST (Days 4 through 7: Friday through Monday)...

Confidence is above average for the long term forecast, as despite
a pattern shift toward more zonal, less amplified flow, models are
in fairly good agreement through the weekend. Beginning Friday,
the extratropical remnants of Tropical Storm Damrey move inland
over Southwest Alaska, and quickly make their way into the
Interior as an upper trough over the Bering Strait works to
eject it north and east. Winds associated with the low diminish
quickly, but a large-scale pressure gradient between a North
Pacific ridge and broad low pressure over Northern Alaska will
continue to drive gusty southwesterly winds across Southwest
Alaska, as well as up Cook Inlet. Various southerly gap winds will
also be active. Westerly gap winds out of Kamishak Bay will
briefly reach gale force Friday night through the Barren Islands
as remnant troughing from ex-Damrey moves into the Gulf of Alaska.
Aside from this, the main impacts from ex-Damrey (strong winds
and coastal flooding potential) are expected to occur Thursday.
These are discussed in previous sections of the short term
forecast.

With the development of a zonal, westerly flow regime, expect
several progressive, quick hitting systems bringing rain to low
elevations, with more prolonged upslope precipitation likely to be
the main hydrologic concern. Southerly flow ends on Friday,
ending the bulk of precipitation for the Prince William Sound
area. The westerly flow that takes over will shift the focus to
the Western Alaska Range and the western slopes of the Talkeetna
Mountains, bringing more rainfall to the basins in the Susitna
Valley which are already dealing with high water levels this week.

A broad low tracks across the northern Bering Sea Friday night,
bringing a large swath of gale force winds as far south as the
Aleutian Chain through Saturday, when the low moves into mainland
Alaska. Precipitation with this low sweeps quickly east from
Southwest Alaska on Saturday into Southcentral for Sunday. This
coincides with the development of a triple point low in the
northern Gulf Sunday morning, drawing another round of westerly
gap winds, potentially as strong as storm force, through the
Barren Islands, aided by cold advection with 850 mb temperatures
dipping below 0 Celsius streaming across the Alaska/Aleutian
Ranges. Winds diminish through Monday as the low exits into the
eastern Gulf. Confidence in the long term forecast decreases by
Monday, though model guidance suggests that the next low is
likely to be approaching the region in the vicinity of the
western Bering Sea/Far East Russia.

&&