Small Craft Advisory 829, NWS Anchorage, AK

Issued

Oct 18, 2021, 3:46 PM AKDT (23:46 UTC)

Expired

Oct 19, 2021, 3:15 PM AKDT

In force

23 hr

Issued by

NWS Anchorage, AK

045 
FZAK52 PAFC 182346
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
346 PM AKDT Mon Oct 18 2021

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.

PKZ199-191245-
346 PM AKDT Mon Oct 18 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 976 mb low 580 nm north of Shemya this afternoon will move to 430 
nm northwest of Bethel at 979 mb Tuesday afternoon. The low then 
remains nearly stationary and weakens to 992 mb Wednesday afternoon. 
A second 976 mb North Pacific low will move to 50 nm south of Shemya
Wednesday afternoon. 

$$

PKZ150-191245-
South of the AK Peninsula Sitkinak to Castle Cape-
346 PM AKDT Mon Oct 18 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...N wind 25 kt. Seas 14 ft.
.TUE...W wind 20 kt. Seas 9 ft.
.TUE NIGHT THROUGH WED NIGHT...NW wind 25 kt. Seas 11 ft.
.THU...SE wind 30 kt. Seas 13 ft.
.FRI...NE wind 25 kt. Seas 19 ft.
.SAT...NW wind 30 kt. Seas 15 ft.

$$

PKZ155-191245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...SW wind 25 kt except NW 15 kt from the Shumagin Islands
E. Seas 9 ft.
.TUE...NW wind 30 kt. Seas 9 ft.
.TUE NIGHT...NW wind 35 kt. Seas 13 ft.
.WED...NW wind 30 kt. Seas 13 ft.
.WED NIGHT...W wind 25 kt. Seas 13 ft.
.THU...SE wind 40 kt. Seas 25 ft.
.FRI...NW wind 35 kt. Seas 25 ft.
.SAT...NW wind 30 kt. Seas 14 ft.

$$

PKZ160-191245-
Bristol Bay-
346 PM AKDT Mon Oct 18 2021

.TONIGHT...SW wind 10 kt becoming S 20 kt after midnight.
Seas 3 ft.
.TUE...S wind 20 kt. Seas 5 ft.
.TUE NIGHT...W wind 20 kt. Seas 8 ft.
.WED...W wind 25 kt. Seas 11 ft.
.WED NIGHT...W wind 20 kt. Seas 8 ft.
.THU...SE wind 25 kt. Seas 9 ft.
.FRI...NE wind 25 kt. Seas 9 ft.
.SAT...NW wind 30 kt. Seas 11 ft.

$$

PKZ165-191245-
Port Heiden to Cape Sarichef-
346 PM AKDT Mon Oct 18 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW wind 25 kt. Seas 8 ft.
.TUE...W wind 25 kt. Seas 13 ft. Rain showers.
.TUE NIGHT...W wind 30 kt. Seas 19 ft.
.WED...W wind 30 kt. Seas 18 ft.
.WED NIGHT...SW wind 25 kt. Seas 15 ft.
.THU...SE wind 35 kt. Seas 18 ft.
.FRI AND SAT...NW wind 30 kt. Seas 16 ft.

$$

PKZ170-191245-
Cape Sarichef to Nikolski Bering Side-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 10 ft.
.TUE...W wind 30 kt. Seas 12 ft building to 17 ft in the
afternoon.
.TUE NIGHT...W wind 35 kt. Seas 21 ft.
.WED...W wind 30 kt. Seas 20 ft.
.WED NIGHT THROUGH THU...SE wind 45 kt. Seas 23 ft.
.FRI...W wind 40 kt. Seas 24 ft.
.SAT...W wind 30 kt. Seas 12 ft.

$$

PKZ171-191245-
Unalaska Bay-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...SW wind 15 kt becoming W 25 kt after midnight.
Seas 2 ft building to 4 ft after midnight.
.TUE...W wind 30 kt. Seas 5 ft. Rain showers.
.TUE NIGHT...W wind 35 kt. Seas 5 ft. Rain showers.
.WED...W wind 30 kt. Seas 5 ft.
.WED NIGHT...S wind 30 kt. Seas 5 ft.
.THU...S wind 30 kt. Seas 5 ft.
.FRI...W wind 35 kt. Seas 5 ft.
.SAT...W wind 25 kt. Seas 4 ft.

$$

PKZ172-191245-
Cape Sarichef to Nikolski Pacific Side-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...W wind 30 kt. Seas 8 ft.
.TUE...W wind 30 kt. Seas 10 ft.
.TUE NIGHT...NW wind 35 kt. Seas 13 ft.
.WED...W wind 30 kt. Seas 13 ft.
.WED NIGHT THROUGH THU...SE wind 45 kt. Seas 22 ft.
.FRI...W wind 40 kt. Seas 24 ft.
.SAT...W wind 35 kt. Seas 11 ft.

$$

PKZ173-191245-
Nikolski to Seguam Island Bering Side-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING TUESDAY AND TUESDAY NIGHT...

.TONIGHT...W wind 30 kt. Seas 12 ft.
.TUE THROUGH WED...W wind 35 kt. Seas 18 ft.
.WED NIGHT THROUGH THU...SE wind 50 kt. Seas 24 ft.
.THU...SE wind 50 kt. Seas 24 ft.
.FRI...W wind 40 kt. Seas 23 ft.
.SAT...W wind 30 kt. Seas 11 ft.

$$

PKZ174-191245-
Nikolski to Seguam Island Pacific Side-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING TUESDAY AND TUESDAY NIGHT...

.TONIGHT...SW wind 25 kt. Seas 9 ft.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 18 ft.
.WED...W wind 30 kt. Seas 16 ft.
.WED NIGHT...S wind 45 kt. Seas 17 ft.
.THU...S wind 45 kt. Seas 25 ft.
.FRI...W wind 40 kt. Seas 21 ft.
.SAT...W wind 30 kt. Seas 11 ft.

$$

PKZ175-191245-
Seguam Island to Adak Bering Side-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING TUESDAY AND TUESDAY NIGHT...

.TONIGHT...W wind 30 kt. Seas 11 ft building to 16 ft after
midnight.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 19 ft.
.WED...W wind 30 kt. Seas 17 ft.
.WED NIGHT...S wind 40 kt. Seas 14 ft.
.THU...W wind 40 kt. Seas 20 ft.
.FRI...W wind 35 kt. Seas 17 ft.
.SAT...W wind 25 kt. Seas 9 ft.

$$

PKZ176-191245-
Seguam Island to Adak Pacific Side-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING TUESDAY AND TUESDAY NIGHT...

.TONIGHT...W wind 30 kt. Seas 10 ft.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 17 ft.
.WED...SW wind 30 kt. Seas 11 ft.
.WED NIGHT...S wind 45 kt. Seas 20 ft.
.THU...W wind 40 kt. Seas 21 ft.
.FRI...W wind 35 kt. Seas 14 ft.
.SAT...W wind 20 kt. Seas 8 ft.

$$

PKZ177-191245-
Adak to Kiska-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...W wind 35 kt. Seas 17 ft.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 19 ft.
.WED...S wind 35 kt. Seas 14 ft.
.WED NIGHT THROUGH THU...W wind 40 kt. Seas 18 ft.
.FRI...W wind 25 kt. Seas 11 ft.
.SAT...S wind 15 kt. Seas 8 ft.

$$

PKZ178-191245-
Kiska to Attu-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...W wind 35 kt. Seas 20 ft.
.TUE...W wind 35 kt. Seas 19 ft.
.TUE NIGHT...SW wind 30 kt. Seas 16 ft.
.WED...SE wind 30 kt. Seas 12 ft.
.WED NIGHT...N wind 35 kt. Seas 14 ft.
.THU...W wind 35 kt. Seas 15 ft.
.FRI THROUGH SAT...S wind 20 kt. Seas 10 ft.

$$

PKZ179-191245-
Pribilof Islands Near Shore Waters-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING TUESDAY AND TUESDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 12 ft.
.TUE THROUGH WED...W wind 35 kt. Seas 21 ft.
.WED NIGHT...S wind 25 kt. Seas 17 ft.
.THU...NE wind 35 kt. Seas 14 ft.
.FRI...W wind 30 kt. Seas 15 ft.
.SAT...W wind 25 kt. Seas 9 ft.

$$

PKZ180-191245-
Kuskokwim Delta and Etolin Strait-
346 PM AKDT Mon Oct 18 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...S wind 30 kt. Seas 8 ft. Rain.
.TUE THROUGH WED...W wind 25 kt. Seas 13 ft.
.WED NIGHT...SW wind 20 kt. Seas 10 ft.
.THU THROUGH FRI...E wind 25 kt. Seas 13 ft.
.SAT...NW wind 25 kt. Seas 11 ft.

$$

PKZ181-191245-
North and West of Nunivak Island-
346 PM AKDT Mon Oct 18 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...S wind 30 kt becoming SW 20 kt after midnight.
Seas 9 ft. Rain.
.TUE THROUGH WED...W wind 25 kt. Seas 13 ft.
.WED NIGHT...SW wind 20 kt. Seas 11 ft.
.THU...E wind 20 kt. Seas 9 ft.
.FRI THROUGH SAT...NW wind 25 kt. Seas 10 ft.

$$

PKZ185-191245-
Saint Matthew Island Waters-
346 PM AKDT Mon Oct 18 2021

...GALE WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...W wind 35 kt. Seas 17 ft.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 20 ft.
.WED...W wind 30 kt. Seas 16 ft.
.WED NIGHT...W wind 20 kt. Seas 14 ft.
.THU...N wind 25 kt. Seas 9 ft.
.FRI THROUGH SAT...W wind 25 kt. Seas 9 ft.

$$

553 
FZAK52 PAFC 191033
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
233 AM AKDT Tue Oct 19 2021

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.

PKZ199-192315-
233 AM AKDT Tue Oct 19 2021

.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 976 mb low 160 nm northwest of Saint Matthew Island drifts to 
230 nm north of Saint Lawrence Island at 983 mb early Thu morning. 
A second 978 mb Northwest Pacific low treks toward the western 
Aleutians 200 nm southwest of Shemya Wed afternoon. The strengthening 
low then advances across the central Bering to 185 nm north of Atka 
at 956 mb early Thu morning.

$$

PKZ150-192315-
South of the AK Peninsula Sitkinak to Castle Cape-
233 AM AKDT Tue Oct 19 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...W wind 15 kt increasing to 25 kt in the afternoon. Seas
9 ft.
.TONIGHT...NW wind 25 kt. Seas 11 ft.
.WED...NW wind 25 kt. Seas 13 ft.
.WED NIGHT...W wind 25 kt. Seas 12 ft.
.THU...S wind 40 kt. Seas 15 ft.
.FRI...E wind 30 kt. Seas 22 ft.
.SAT...NW wind 30 kt. Seas 20 ft.

$$

PKZ155-192315-
South of the AK Peninsula Castle Cape to Cape Sarichef-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...W wind 30 kt. Seas 10 ft.
.TONIGHT...NW wind 35 kt. Seas 13 ft.
.WED...W wind 35 kt. Seas 14 ft.
.WED NIGHT...SW wind 35 kt. Seas 12 ft.
.THU...SW wind 50 kt. Seas 31 ft.
.FRI...W wind 50 kt. Seas 31 ft.
.SAT...NW wind 35 kt. Seas 20 ft.

$$

PKZ160-192315-
Bristol Bay-
233 AM AKDT Tue Oct 19 2021

...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY...

.TODAY...S wind 20 kt. Seas 5 ft. Rain showers.
.TONIGHT...W wind 25 kt. Seas 9 ft.
.WED...W wind 25 kt. Seas 11 ft.
.WED NIGHT...W wind 25 kt. Seas 9 ft.
.THU...SE wind 45 kt. Seas 11 ft.
.FRI...NE wind 30 kt. Seas 12 ft.
.SAT...NW wind 25 kt. Seas 10 ft.

$$

PKZ165-192315-
Port Heiden to Cape Sarichef-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING TONIGHT...

.TODAY...W wind 30 kt. Seas 13 ft. Rain showers.
.TONIGHT...W wind 35 kt. Seas 20 ft.
.WED...W wind 30 kt. Seas 19 ft.
.WED NIGHT...SW wind 30 kt. Seas 15 ft.
.THU...S wind 50 kt. Seas 28 ft.
.FRI...NW wind 45 kt. Seas 28 ft.
.SAT...NW wind 35 kt. Seas 18 ft.

$$

PKZ170-192315-
Cape Sarichef to Nikolski Bering Side-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...W wind 35 kt. Seas 17 ft. Rain showers.
.TONIGHT...W wind 35 kt. Seas 22 ft.
.WED...W wind 30 kt. Seas 21 ft.
.WED NIGHT...S wind 50 kt. Seas 16 ft.
.THU...W wind 60 kt. Seas 37 ft.
.FRI...W wind 55 kt. Seas 36 ft.
.SAT...W wind 35 kt. Seas 21 ft.

$$

PKZ171-192315-
Unalaska Bay-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING TONIGHT...

.TODAY...W wind 30 kt. Seas 5 ft. Rain showers.
.TONIGHT...NW wind 35 kt. Seas 5 ft. Rain showers.
.WED...W wind 30 kt. Seas 5 ft. Rain showers.
.WED NIGHT...S wind 40 kt. Seas 6 ft.
.THU THROUGH FRI...W wind 50 kt. Seas 8 ft.
.SAT...W wind 30 kt. Seas 5 ft.

$$

PKZ172-192315-
Cape Sarichef to Nikolski Pacific Side-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...W wind 35 kt. Seas 11 ft.
.TONIGHT...NW wind 35 kt. Seas 14 ft.
.WED...W wind 35 kt. Seas 14 ft.
.WED NIGHT...S wind 45 kt. Seas 12 ft.
.THU THROUGH FRI...W wind 50 kt. Seas 29 ft.
.SAT...W wind 35 kt. Seas 15 ft.

$$

PKZ173-192315-
Nikolski to Seguam Island Bering Side-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...W wind 35 kt. Seas 18 ft.
.TONIGHT...W wind 35 kt. Seas 21 ft.
.WED...W wind 30 kt. Seas 20 ft.
.WED NIGHT...S wind 50 kt. Seas 15 ft.
.THU...W wind 55 kt. Seas 33 ft.
.FRI...W wind 45 kt. Seas 27 ft.
.SAT...W wind 30 kt. Seas 15 ft.

$$

PKZ174-192315-
Nikolski to Seguam Island Pacific Side-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...W wind 35 kt. Seas 14 ft.
.TONIGHT...W wind 35 kt. Seas 18 ft.
.WED...W wind 30 kt. Seas 16 ft.
.WED NIGHT...S wind 45 kt. Seas 18 ft.
.THU...W wind 50 kt. Seas 29 ft.
.FRI...W wind 45 kt. Seas 25 ft.
.SAT...W wind 30 kt. Seas 12 ft.

$$

PKZ175-192315-
Seguam Island to Adak Bering Side-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...W wind 35 kt. Seas 18 ft.
.TONIGHT...W wind 35 kt. Seas 19 ft.
.WED...W wind 30 kt. Seas 18 ft. Rain.
.WED NIGHT...S wind 50 kt. Seas 16 ft.
.THU...W wind 50 kt. Seas 26 ft.
.FRI...W wind 40 kt. Seas 21 ft.
.SAT...W wind 25 kt. Seas 11 ft.

$$

PKZ176-192315-
Seguam Island to Adak Pacific Side-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...W wind 35 kt. Seas 16 ft.
.TONIGHT...W wind 35 kt. Seas 16 ft.
.WED...W wind 25 kt becoming S 35 kt in the afternoon. Seas 12 ft.
Rain.
.WED NIGHT...SW wind 50 kt. Seas 23 ft.
.THU...W wind 45 kt. Seas 26 ft.
.FRI...W wind 35 kt. Seas 17 ft.
.SAT...W wind 20 kt. Seas 9 ft.

$$

PKZ177-192315-
Adak to Kiska-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...W wind 35 kt. Seas 19 ft.
.TONIGHT...W wind 35 kt. Seas 18 ft.
.WED...SW wind 30 kt becoming S 40 kt in the afternoon. Seas 14 ft. 
Rain.
.WED NIGHT...W wind 45 kt. Seas 22 ft.
.THU...W wind 40 kt. Seas 21 ft.
.FRI...W wind 25 kt. Seas 14 ft.
.SAT...SE wind 20 kt. Seas 9 ft.

$$

PKZ178-192315-
Kiska to Attu-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING TODAY AND WEDNESDAY...

.TODAY...W wind 35 kt. Seas 19 ft.
.TONIGHT...W wind 30 kt. Seas 16 ft.
.WED...S wind 25 kt becoming SE 40 kt in the afternoon. Seas 12 ft. 
Rain.
.WED NIGHT...NW wind 40 kt. Seas 18 ft.
.THU...W wind 35 kt. Seas 18 ft.
.FRI...SW wind 20 kt. Seas 11 ft.
.SAT...SE wind 20 kt. Seas 9 ft.

$$

PKZ179-192315-
Pribilof Islands Near Shore Waters-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...W wind 35 kt. Seas 21 ft.
.TONIGHT...W wind 35 kt. Seas 23 ft. Snow showers.
.WED...W wind 35 kt diminishing to 25 kt in the afternoon. Seas
21 ft.
.WED NIGHT...S wind 40 kt. Seas 13 ft.
.THU THROUGH FRI...NW wind 45 kt. Seas 20 ft.
.SAT...W wind 30 kt. Seas 15 ft.

$$

PKZ180-192315-
Kuskokwim Delta and Etolin Strait-
233 AM AKDT Tue Oct 19 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...W wind 25 kt. Seas 10 ft.
.TONIGHT...W wind 30 kt. Seas 15 ft.
.WED...W wind 25 kt. Seas 15 ft.
.WED NIGHT...SW wind 25 kt. Seas 11 ft.
.THU...E wind 45 kt. Seas 15 ft.
.FRI...N wind 30 kt. Seas 15 ft.
.SAT...NW wind 30 kt. Seas 12 ft.

$$

PKZ181-192315-
North and West of Nunivak Island-
233 AM AKDT Tue Oct 19 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...SW wind 25 kt. Seas 12 ft.
.TONIGHT...W wind 30 kt. Seas 15 ft.
.WED...W wind 25 kt. Seas 13 ft.
.WED NIGHT...SW wind 20 kt. Seas 11 ft.
.THU...E wind 40 kt. Seas 14 ft.
.FRI...N wind 30 kt. Seas 11 ft.
.SAT...NW wind 30 kt. Seas 10 ft.

$$

PKZ185-192315-
Saint Matthew Island Waters-
233 AM AKDT Tue Oct 19 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...W wind 35 kt. Seas 21 ft.
.TONIGHT...W wind 35 kt. Seas 21 ft.
.WED...W wind 30 kt. Seas 16 ft.
.WED NIGHT...SW wind 20 kt. Seas 11 ft.
.THU...NE wind 40 kt. Seas 14 ft.
.FRI THROUGH SAT...W wind 30 kt. Seas 11 ft.

$$

Small Craft Advisories in Alaska, 2021Every small craft advisory in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.