Alert archive / Alaska / Small Craft Advisories in 2021

Small Craft Advisory 201, NWS Anchorage, AK

March 10, 2021

NWS Anchorage, AK issued this small craft advisory at Mar 10, 2021, 3:59 AM AKST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued: Mar 10, 2021, 3:59 AM AKST (12:59 UTC)
Expired: Mar 11, 2021, 3:58 AM AKST
In force: 24 hr
Issued by: NWS Anchorage, AK

The text

As transmitted.

648 
FZAK52 PAFC 101259
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
359 AM AKST Wed Mar 10 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.

PKZ199-110145-
359 AM AKST Wed Mar 10 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

VENIAMINOF VOLCANO, 22 NM NORTH OF PERRYVILLE IS CURRENTLY ACTIVE.

A 1018 mb low 170 nm south of Adak exits into the North Pacific 
Wed afternoon. Another low moves 180 nm west of St Matthew Island at
1017 mb Wed evening then to 25 nm north of Toksook Bay at 1020 mb
Thu morning and moves inland Thu afternoon. A low moves to 50 nm 
south of Shemya at 985 mb Fri morning.

$$

PKZ150-110145-
South of the AK Peninsula Sitkinak to Castle Cape-
359 AM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY...
...HEAVY FREEZING SPRAY WARNING TONIGHT...

.TODAY...W wind 30 kt. Seas 9 ft.
.TONIGHT...NW wind 30 kt. Seas 9 ft. Heavy freezing spray.
.THU...NW wind 35 kt. Seas 11 ft. Freezing spray.
.THU NIGHT...NW wind 40 kt. Seas 14 ft.
.FRI...NW wind 40 kt. Seas 14 ft.
.SAT...S wind 25 kt. Seas 12 ft.
.SUN...SW wind 30 kt. Seas 13 ft.

$$

PKZ155-110145-
South of the AK Peninsula Castle Cape to Cape Sarichef-
359 AM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...W wind 20 kt. Seas 7 ft.
.TONIGHT...NW wind 20 kt. Seas 6 ft. Freezing spray.
.THU...NW wind 25 kt. Seas 5 ft. Freezing spray.
.THU NIGHT...NW wind 35 kt. Seas 10 ft.
.FRI...W wind 25 kt. Seas 8 ft.
.SAT...S wind 30 kt. Seas 16 ft.
.SUN...W wind 30 kt. Seas 13 ft.

$$

PKZ160-110145-
Bristol Bay-
359 AM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY...
...HEAVY FREEZING SPRAY WARNING TONIGHT AND THURSDAY...

.TODAY...NW wind 25 kt. Seas in ice free waters 5 ft. 
Freezing spray.
.TONIGHT...NW wind 25 kt. Seas in ice free waters 6 ft. 
Heavy freezing spray.
.THU...NW wind 25 kt increasing to 35 kt in the afternoon. Seas in
ice free waters 5 ft building to 8 ft in the afternoon. Heavy
freezing spray.
.THU NIGHT...NW wind 40 kt. Seas in ice free waters 11 ft.
.FRI...N wind 15 kt. Seas in ice free waters 5 ft.
.SAT...E wind 25 kt. Seas in ice free waters 5 ft.
.SUN...W wind 20 kt. Seas in ice free waters 6 ft.

$$

PKZ165-110145-
Port Heiden to Cape Sarichef-
359 AM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY...
...HEAVY FREEZING SPRAY WARNING TONIGHT...

.TODAY...NW wind 20 kt. Seas 7 ft. Freezing spray.
.TONIGHT...N wind 15 kt except N 20 kt from Port Moller E. Seas
6 ft. Heavy freezing spray E of Port Moller.
.THU...W wind 25 kt increasing to 35 kt in the afternoon. Seas 6
ft building to 10 ft in the afternoon. Freezing spray.
.THU NIGHT...NW wind 35 kt. Seas 12 ft.
.FRI...E wind 30 kt. Seas 8 ft.
.SAT...S wind 35 kt. Seas 10 ft.
.SUN...W wind 20 kt. Seas 11 ft.

$$

PKZ170-110145-
Cape Sarichef to Nikolski Bering Side-
359 AM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...W wind 20 kt. Seas 7 ft.
.TONIGHT...NW wind 15 kt. Seas 6 ft.
.THU...NW wind 15 kt becoming W 25 kt in the afternoon. Seas 6 ft.
.THU NIGHT...W wind 25 kt. Seas 9 ft.
.FRI...S wind 40 kt. Seas 14 ft.
.SAT...SW wind 35 kt. Seas 14 ft.
.SUN...SW wind 25 kt. Seas 13 ft.

$$

PKZ171-110145-
Unalaska Bay-
359 AM AKST Wed Mar 10 2021

.TODAY...W wind 20 kt becoming NW 10 kt in the afternoon. 
Seas 3 ft.
.TONIGHT...N wind 20 kt. Seas 5 ft. Freezing spray.
.THU...NW wind 20 kt. Seas 4 ft subsiding to 2 ft in the
afternoon.
.THU NIGHT...W wind 20 kt. Seas 3 ft.
.FRI...S wind 30 kt. Seas 5 ft.
.SAT...SW wind 30 kt. Seas 5 ft.
.SUN...SW wind 20 kt. Seas 3 ft.

$$

PKZ172-110145-
Cape Sarichef to Nikolski Pacific Side-
359 AM AKST Wed Mar 10 2021

.TODAY...W wind 20 kt. Seas 7 ft.
.TONIGHT...NW wind 15 kt. Seas 5 ft.
.THU...N wind 20 kt. Seas 5 ft.
.THU NIGHT...W wind 20 kt. Seas 5 ft.
.FRI...S wind 35 kt. Seas 18 ft.
.SAT...SW wind 35 kt. Seas 19 ft.
.SUN...W wind 25 kt. Seas 15 ft.

$$

PKZ173-110145-
Nikolski to Seguam Island Bering Side-
359 AM AKST Wed Mar 10 2021

.TODAY...W wind 15 kt. Seas 6 ft.
.TONIGHT...NW wind 15 kt. Seas 6 ft. Patchy freezing fog.
.THU...W wind 15 kt. Seas 5 ft.
.THU NIGHT...S wind 30 kt. Seas 8 ft.
.FRI...S wind 40 kt. Seas 19 ft.
.SAT...SW wind 30 kt. Seas 15 ft.
.SUN...SW wind 25 kt. Seas 15 ft.

$$

PKZ174-110145-
Nikolski to Seguam Island Pacific Side-
359 AM AKST Wed Mar 10 2021

.TODAY...NW wind 15 kt. Seas 7 ft.
.TONIGHT...N wind 20 kt. Seas 6 ft. Patchy fog.
.THU...NW wind 15 kt in the morning becoming variable 10 kt. 
Seas 5 ft.
.THU NIGHT...S wind 30 kt. Seas 6 ft.
.FRI...S wind 40 kt. Seas 21 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 20 ft.

$$

PKZ175-110145-
Seguam Island to Adak Bering Side-
359 AM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...NW wind 20 kt. Seas 6 ft. Freezing spray.
.TONIGHT...NW wind 15 kt. Seas 6 ft. Patchy freezing fog.
.THU...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 6 ft.
.THU NIGHT...S wind 40 kt. Seas 11 ft.
.FRI...S wind 45 kt. Seas 17 ft.
.SAT THROUGH SUN...SW wind 30 kt. Seas 16 ft.

$$

PKZ176-110145-
Seguam Island to Adak Pacific Side-
359 AM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY TODAY AND THURSDAY...

.TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. 
Seas 7 ft.
.TONIGHT...NW wind 20 kt. Seas 6 ft. Patchy freezing fog.
.THU...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 4 ft.
.THU NIGHT...S wind 40 kt. Seas 13 ft.
.FRI...S wind 45 kt. Seas 27 ft.
.SAT THROUGH SUN...SW wind 30 kt. Seas 20 ft.

$$

PKZ177-110145-
Adak to Kiska-
359 AM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY...

.TODAY...NW wind 25 kt becoming W 15 kt in the afternoon. 
Seas 6 ft. Freezing spray.
.TONIGHT...SW wind 20 kt. Seas 5 ft. Patchy freezing fog.
.THU...S wind 35 kt. Seas 7 ft building to 11 ft in the afternoon.
.THU NIGHT...SE wind 50 kt. Seas 23 ft.
.FRI...SW wind 50 kt. Seas 27 ft.
.SAT...SW wind 35 kt. Seas 22 ft.
.SUN...SW wind 30 kt. Seas 21 ft.

$$

PKZ178-110145-
Kiska to Attu-
359 AM AKST Wed Mar 10 2021

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...W wind 20 kt. Seas 6 ft. Freezing spray.
.TONIGHT...S wind 25 kt increasing to 40 kt after midnight. 
Seas 11 ft.
.THU...S wind 45 kt. Seas 21 ft.
.THU NIGHT...SE wind 50 kt. Seas 29 ft.
.FRI...SW wind 45 kt. Seas 28 ft.
.SAT...SW wind 40 kt. Seas 24 ft.
.SUN...SW wind 30 kt. Seas 20 ft.

$$

PKZ179-110145-
Pribilof Islands Near Shore Waters-
359 AM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...N wind 20 kt in the morning becoming variable 10 kt. 
Seas 6 ft. Freezing spray.
.TONIGHT...NW wind 20 kt. Seas 7 ft. Freezing spray.
.THU...W wind 30 kt. Seas 11 ft.
.THU NIGHT...SW wind 20 kt. Seas 9 ft.
.FRI...S wind 40 kt. Seas 20 ft.
.SAT...SW wind 40 kt. Seas 20 ft.
.SUN...SW wind 25 kt. Seas 14 ft.

$$

PKZ180-110145-
Kuskokwim Delta and Etolin Strait-
359 AM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH THURSDAY...

.TODAY...N wind 20 kt. Seas in ice free waters 4 ft. 
Heavy freezing spray.
.TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft. 
Heavy freezing spray.
.THU...NW wind 35 kt. Seas in ice free waters 9 ft. 
Heavy freezing spray.
.THU NIGHT...N wind 30 kt. Seas in ice free waters 9 ft.
.FRI...SE wind 35 kt. Seas in ice free waters 7 ft.
.SAT...SE wind 40 kt. Seas in ice free waters 11 ft.
.SUN...SW wind 15 kt. Seas in ice free waters 7 ft.

$$

PKZ181-110145-
North and West of Nunivak Island-
359 AM AKST Wed Mar 10 2021

...BRISK WIND ADVISORY TONIGHT AND THURSDAY...

.TODAY...NW wind 15 kt.
.TONIGHT...SE wind 25 kt.
.THU...E wind 30 kt becoming N 15 kt in the afternoon. 
.THU NIGHT...S wind 15 kt.
.FRI THROUGH SAT...SE wind 40 kt.
.SUN...S wind 15 kt.

$$

PKZ185-110145-
Saint Matthew Island Waters-
359 AM AKST Wed Mar 10 2021

...HEAVY FREEZING SPRAY WARNING THROUGH TONIGHT...
...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...E of Saint Matthew Island, E wind 15 kt becoming SE 25 kt
in the afternoon. W of Saint Matthew Island, S wind 25 kt. Seas in
ice free waters 6 ft. Heavy freezing spray.
.TONIGHT...SW wind 30 kt. Seas in ice free waters 9 ft. 
Heavy freezing spray.
.THU...E of Saint Matthew Island, W wind 30 kt diminishing to 15
kt in the afternoon. W of Saint Matthew Island, S wind 25 kt. Seas 
in ice free waters 8 ft.
.THU NIGHT...S wind 30 kt. Seas in ice free waters 10 ft.
.FRI...SE wind 45 kt. Seas in ice free waters 20 ft.
.SAT...S wind 40 kt. Seas in ice free waters 20 ft.
.SUN...SW wind 30 kt. Seas in ice free waters 15 ft.

$$

2 follow-up statements

298 
FZAK52 PAFC 110003
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
303 PM AKST Wed Mar 10 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.

PKZ199-111330-
303 PM AKST Wed Mar 10 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

VENIAMINOF VOLCANO, 22 NM NORTH OF PERRYVILLE IS CURRENTLY ACTIVE.

Weak troughs move across the Bering through Thu afternoon. A 
front approaches the western Bering for Thu morning. A 999 mb North 
Pacific low moves along the front over Attu at 981 mb, then moves to 
400 nm northwest of Attu at 969 mb by Fri afternoon. Its front moves 
to the Central Aleutians by Fri afternoon.

$$

PKZ150-111330-
South of the AK Peninsula Sitkinak to Castle Cape-
303 PM AKST Wed Mar 10 2021

...HEAVY FREEZING SPRAY WARNING THURSDAY NIGHT...
...GALE WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...NW wind 30 kt. Seas 8 ft. Freezing spray.
.THU...NW wind 35 kt. Seas 10 ft. Freezing spray.
.THU NIGHT...NW wind 45 kt gusting to 55 kt through bays and passes.
Seas 14 ft. Heavy freezing spray north of Chirikof Island. 
.FRI...NW wind 45 kt. Seas 15 ft.
.FRI NIGHT...NW wind 30 kt. Seas 11 ft.
.SAT...S wind 25 kt. Seas 12 ft.
.SUN THROUGH MON...W wind 30 kt. Seas 12 ft.

$$

PKZ155-111330-
South of the AK Peninsula Castle Cape to Cape Sarichef-
303 PM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY NIGHT...

.TONIGHT...NW wind 20 kt. Seas 6 ft. Freezing spray.
.THU...NW wind 25 kt. Seas 5 ft. Freezing spray.
.THU NIGHT...W wind 35 kt except W 40 kt from the Shumagin Islands
E. Seas 10 ft. Freezing spray.
.FRI...NW wind 30 kt in the morning decreasing to 20 kt in the
afternoon. Seas 9 ft.
.FRI NIGHT...SW wind 25 kt. Seas 5 ft.
.SAT...S wind 35 kt. Seas 16 ft.
.SUN...W wind 30 kt. Seas 13 ft.
.MON...W wind 25 kt. Seas 12 ft.

$$

PKZ160-111330-
Bristol Bay-
303 PM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY AND THURSDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas in ice free waters 6 ft. Heavy
freezing spray.
.THU...NW wind 20 kt becoming W 35 kt in the afternoon. Seas in
ice free waters 5 ft building to 8 ft in the afternoon. Heavy 
freezing spray.
.THU NIGHT...NW wind 40 kt diminishing to 30 kt after midnight.
Seas in ice free waters 12 ft. Heavy freezing spray.
.FRI...N wind 20 kt. Seas in ice free waters 6 ft.
.FRI NIGHT...NE wind 15 kt. Seas in ice free waters 3 ft.
.SAT...E wind 25 kt. Seas in ice free waters 5 ft.
.SUN...W wind 20 kt. Seas in ice free waters 6 ft.
.MON...W wind 15 kt. Seas in ice free waters 5 ft.

$$

PKZ165-111330-
Port Heiden to Cape Sarichef-
303 PM AKST Wed Mar 10 2021

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

.TONIGHT...N wind 20 kt. Seas 6 ft. Freezing spray.
.THU...NW wind 20 kt becoming W 35 kt in the afternoon. Seas 9 ft.
Freezing spray.
.THU NIGHT...NW wind 30 kt diminishing to 20 kt after midnight.
From Port Moller E, NW wind 35 kt diminishing to 25 kt after midnight.
Seas 13 ft. Freezing spray.
.FRI...N wind 20 kt. Seas 8 ft.
.FRI NIGHT...SE wind 30 kt. Seas 8 ft.
.SAT...S wind 35 kt. Seas 11 ft.
.SUN THROUGH MON...W wind 20 kt. Seas 11 ft.

$$

PKZ170-111330-
Cape Sarichef to Nikolski Bering Side-
303 PM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY THURSDAY AND THURSDAY NIGHT...

.TONIGHT...NW wind 15 kt. Seas 6 ft.
.THU...W wind 25 kt. Seas 7 ft.
.THU NIGHT...W wind 30 kt becoming SW 20 kt after midnight. Seas
8 ft.
.FRI...S wind 35 kt. Seas 9 ft.
.FRI NIGHT...S wind 40 kt. Seas 14 ft.
.SAT...SW wind 40 kt. Seas 14 ft.
.SUN...SW wind 25 kt. Seas 13 ft.
.MON...W wind 30 kt. Seas 14 ft.

$$

PKZ171-111330-
Unalaska Bay-
303 PM AKST Wed Mar 10 2021

.TONIGHT...NW wind 20 kt. Seas 5 ft.
.THU...NW wind 20 kt. Seas 5 ft.
.THU NIGHT...W wind 20 kt diminishing to 10 kt after midnight.
Seas 2 ft.
.FRI...S wind 20 kt. Seas 3 ft.
.FRI NIGHT...S wind 30 kt. Seas 5 ft.
.SAT...SW wind 30 kt. Seas 5 ft.
.SUN...SW wind 20 kt. Seas 3 ft.
.MON...W wind 20 kt. Seas 7 ft.

$$

PKZ172-111330-
Cape Sarichef to Nikolski Pacific Side-
303 PM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY THURSDAY NIGHT...

.TONIGHT...NW wind 20 kt. Seas 5 ft.
.THU...NW wind 20 kt. Seas 5 ft.
.THU NIGHT...NW wind 25 kt becoming SW 15 kt after midnight. Seas 4 
ft.
.FRI...S wind 30 kt. Seas 7 ft.
.FRI NIGHT...S wind 40 kt. Seas 17 ft.
.SAT...SW wind 40 kt. Seas 19 ft.
.SUN...W wind 25 kt. Seas 15 ft.
.MON...W wind 30 kt. Seas 15 ft.

$$

PKZ173-111330-
Nikolski to Seguam Island Bering Side-
303 PM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY THURSDAY NIGHT...

.TONIGHT...NW wind 15 kt. Seas 6 ft. Patchy freezing fog.
.THU...NW wind 15 kt. Seas 6 ft.
.THU NIGHT...SW wind 20 kt becoming S 30 kt after midnight. Seas
8 ft.
.FRI AND FRI NIGHT...S wind 40 kt. Seas 16 ft.
.SAT THROUGH SUN...SW wind 25 kt. Seas 15 ft.
.MON...W wind 30 kt. Seas 16 ft.

$$

PKZ174-111330-
Nikolski to Seguam Island Pacific Side-
303 PM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY THURSDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 6 ft. Patchy fog.
.THU...NW wind 15 kt. Seas 6 ft.
.THU NIGHT...S wind 20 kt increasing to 30 kt after midnight. Seas
6 ft.
.FRI...S wind 40 kt. Seas 15 ft.
.FRI NIGHT...S wind 40 kt. Seas 21 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 20 ft.

$$

PKZ175-111330-
Seguam Island to Adak Bering Side-
303 PM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY NIGHT...

.TONIGHT...NW wind 20 kt. Seas 6 ft. Patchy freezing fog.
.THU...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 5 ft.
.THU NIGHT...S wind 30 kt increasing to 40 kt after midnight. Seas
11 ft.
.FRI...S wind 45 kt. Seas 16 ft.
.FRI NIGHT...SW wind 40 kt. Seas 14 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 16 ft.

$$

PKZ176-111330-
Seguam Island to Adak Pacific Side-
303 PM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 7 ft. Patchy fog.
.THU...Variable wind 10 kt becoming S 20 kt in the afternoon. Seas
4 ft.
.THU NIGHT...S wind 30 kt increasing to 40 kt after midnight. Seas
7 ft building to 13 ft after midnight.
.FRI...S wind 45 kt. Seas 22 ft.
.FRI NIGHT...SW wind 40 kt. Seas 22 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 19 ft.

$$

PKZ177-111330-
Adak to Kiska-
303 PM AKST Wed Mar 10 2021

...STORM WARNING THURSDAY NIGHT...

.TONIGHT...SW wind 20 kt. Seas 5 ft. Patchy fog and freezing fog.
.THU...S wind 35 kt. Seas 10 ft.
.THU NIGHT...S wind 45 kt increasing to 55 kt after midnight. Seas
15 ft building to 23 ft after midnight. Rain.
.FRI...SW wind 50 kt. Seas 25 ft.
.FRI NIGHT...SW wind 30 kt. Seas 18 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 21 ft.

$$

PKZ178-111330-
Kiska to Attu-
303 PM AKST Wed Mar 10 2021

...STORM WARNING THURSDAY NIGHT...

.TONIGHT...SW wind 25 kt becoming S 35 kt after midnight. Seas
11 ft.
.THU...S wind 45 kt. Seas 21 ft.
.THU NIGHT...SE wind 55 kt. Seas 23 ft building to 29 ft after
midnight. Rain and snow.
.FRI...SW wind 45 kt. Seas 28 ft.
.FRI NIGHT...SW wind 40 kt. Seas 24 ft.
.SAT THROUGH SUN...SW wind 30 kt. Seas 22 ft.
.MON...W wind 30 kt. Seas 17 ft.

$$

PKZ179-111330-
Pribilof Islands Near Shore Waters-
303 PM AKST Wed Mar 10 2021

...SMALL CRAFT ADVISORY THURSDAY AND THURSDAY NIGHT...

.TONIGHT...W wind 20 kt. Seas 6 ft. Freezing spray.
.THU...W wind 30 kt. Seas 11 ft. Freezing spray.
.THU NIGHT...W wind 20 kt. Seas 9 ft.
.FRI...S wind 40 kt. Seas 15 ft.
.FRI NIGHT...SE wind 40 kt. Seas 19 ft.
.SAT...SW wind 40 kt. Seas 20 ft.
.SUN...SW wind 25 kt. Seas 14 ft.
.MON...W wind 25 kt. Seas 12 ft.

$$

PKZ180-111330-
Kuskokwim Delta and Etolin Strait-
303 PM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY AND THURSDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas in ice free waters 4 ft. Heavy
freezing spray.
.THU...SW wind 35 kt. Seas in ice free waters 9 ft. Heavy freezing
spray.
.THU NIGHT...NW wind 35 kt becoming N 25 kt after midnight. Seas
in ice free waters 10 ft. Heavy freezing spray.
.FRI...E wind 25 kt. Seas in ice free waters 5 ft.
.FRI NIGHT...SE wind 35 kt. Seas in ice free waters 7 ft.
.SAT...SE wind 40 kt. Seas in ice free waters 11 ft.
.SUN...SW wind 15 kt. Seas in ice free waters 7 ft.
.MON...NW wind 20 kt. Seas in ice free waters 6 ft.

$$

PKZ181-111330-
North and West of Nunivak Island-
303 PM AKST Wed Mar 10 2021

...BRISK WIND ADVISORY THROUGH THURSDAY...

.TONIGHT...S wind 15 kt becoming SW 25 kt after midnight.
.THU...NW wind 30 kt diminishing to 20 kt in the afternoon. Snow 
showers.
.THU NIGHT...N wind 15 kt becoming SE after midnight.
.FRI...SE wind 30 kt.
.FRI NIGHT...SE wind 35 kt.
.SAT...SE wind 40 kt.
.SUN...S wind 15 kt.
.MON...NW wind 20 kt.

$$

PKZ185-111330-
Saint Matthew Island Waters-
303 PM AKST Wed Mar 10 2021

...GALE WARNING THURSDAY AND THURSDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...W wind 30 kt. Seas in ice free waters 9 ft. Freezing
spray.
.THU...E of Saint Matthew Island, NW wind 35 kt becoming W 15 kt
in the afternoon. W of Saint Matthew Island, W wind 15 kt becoming S
25 kt in the afternoon. Seas in ice free waters 8 ft. Heavy freezing
spray.
.THU NIGHT...E of Saint Matthew Island, S wind 15 kt increasing to
25 kt after midnight. W of Saint Matthew Island, S wind 35 kt.
Seas in ice free waters 7 ft building to 11 ft after midnight. Heavy
freezing spray.
.FRI...SE wind 50 kt. Seas in ice free waters 24 ft.
.FRI NIGHT...S wind 40 kt. Seas in ice free waters 24 ft.
.SAT...S wind 40 kt. Seas in ice free waters 20 ft.
.SUN...SW wind 30 kt. Seas in ice free waters 15 ft.
.MON...NW wind 25 kt. Seas in ice free waters 11 ft.

$$

848 
FZAK52 PAFC 111258
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
358 AM AKST Thu Mar 11 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.

PKZ199-120145-
358 AM AKST Thu Mar 11 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

VENIAMINOF VOLCANO, 22 NM NORTH OF PERRYVILLE IS CURRENTLY 
ACTIVE.

A 1018 mb low 130 nm northwest of Toksook Bay moves inland over 
Southwest Alaska Thu afternoon. A front moves across the Western 
Bering and Aleutians through Sat morning. A low moves to 200 nm 
south of Attu Thu night at 985 mb then to 250 nm north of Shemya 
Fri morning as it weakens.

$$

PKZ150-120145-
South of the AK Peninsula Sitkinak to Castle Cape-
358 AM AKST Thu Mar 11 2021

...GALE WARNING THROUGH FRIDAY...
...HEAVY FREEZING SPRAY WARNING THURSDAY NIGHT...

.TODAY...NW wind 35 kt. Seas 9 ft. Freezing spray.
.TONIGHT...NW wind 45 kt. Seas 14 ft. 
Heavy freezing spray north of Chirikof Island.
.FRI...NW wind 45 kt. Seas 14 ft. Freezing spray.
.FRI NIGHT...NW wind 30 kt. Seas 11 ft.
.SAT...S wind 25 kt. Seas 11 ft.
.SUN...W wind 25 kt. Seas 12 ft.
.MON...W wind 20 kt. Seas 9 ft.

$$

PKZ155-120145-
South of the AK Peninsula Castle Cape to Cape Sarichef-
358 AM AKST Thu Mar 11 2021

...GALE WARNING TONIGHT...

.TODAY...NW wind 25 kt. Seas 5 ft. Freezing spray.
.TONIGHT...W wind 35 kt except W 40 kt from the Shumagin Islands
E. Seas 9 ft. Freezing spray.
.FRI...NW wind 30 kt. Seas 8 ft. Freezing spray.
.FRI NIGHT...SW wind 25 kt. Seas 5 ft.
.SAT...S wind 35 kt. Seas 15 ft.
.SUN...W wind 20 kt. Seas 14 ft.
.MON...W wind 20 kt. Seas 9 ft.

$$

PKZ160-120145-
Bristol Bay-
358 AM AKST Thu Mar 11 2021

...GALE WARNING THROUGH TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH FRIDAY...

.TODAY...NW wind 20 kt becoming W 35 kt in the afternoon. Seas in
ice free waters 5 ft building to 8 ft in the afternoon. Heavy
freezing spray.
.TONIGHT...NW wind 40 kt diminishing to 30 kt after midnight. Seas
in ice free waters 12 ft. Heavy freezing spray.
.FRI...N wind 20 kt. Seas in ice free waters 6 ft. Heavy freezing
spray.
.FRI NIGHT...NE wind 15 kt. Seas in ice free waters 3 ft.
.SAT...E wind 25 kt. Seas in ice free waters 6 ft.
.SUN...W wind 20 kt. Seas in ice free waters 6 ft.
.MON...W wind 10 kt. Seas in ice free waters 5 ft.

$$

PKZ165-120145-
Port Heiden to Cape Sarichef-
358 AM AKST Thu Mar 11 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...NW wind 20 kt becoming W 35 kt in the afternoon. Seas 8
ft. Freezing spray.
.TONIGHT...NW wind 30 kt diminishing to 20 kt after midnight. From
Port Moller E, NW wind 35 kt. Seas 12 ft. Freezing spray.
.FRI...Variable wind 10 kt becoming SE 20 kt in the afternoon.
From Port Moller E, N wind 20 kt in the morning becoming variable 10
kt. Seas 8 ft. Freezing spray.
.FRI NIGHT...SE wind 30 kt. Seas 8 ft.
.SAT...S wind 35 kt. Seas 11 ft.
.SUN THROUGH MON...W wind 20 kt. Seas 9 ft.

$$

PKZ170-120145-
Cape Sarichef to Nikolski Bering Side-
358 AM AKST Thu Mar 11 2021

...GALE WARNING FRIDAY...

.TODAY...W wind 25 kt. Seas 6 ft.
.TONIGHT...W wind 30 kt becoming SW 20 kt after midnight. 
Seas 8 ft.
.FRI...S wind 35 kt. Seas 9 ft.
.FRI NIGHT...S wind 40 kt. Seas 14 ft.
.SAT...SW wind 40 kt. Seas 14 ft.
.SUN THROUGH MON...W wind 25 kt. Seas 12 ft.

$$

PKZ171-120145-
Unalaska Bay-
358 AM AKST Thu Mar 11 2021

.TODAY...NW wind 20 kt. Seas 5 ft.
.TONIGHT...W wind 20 kt diminishing to 10 kt after midnight. 
Seas 2 ft.
.FRI...S wind 20 kt. Seas 3 ft.
.FRI NIGHT...S wind 30 kt. Seas 5 ft.
.SAT...SW wind 30 kt. Seas 5 ft.
.SUN...SW wind 15 kt. Seas 2 ft.
.MON...W wind 20 kt. Seas 5 ft.

$$

PKZ172-120145-
Cape Sarichef to Nikolski Pacific Side-
358 AM AKST Thu Mar 11 2021

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY...

.TODAY...NW wind 20 kt. Seas 5 ft.
.TONIGHT...W wind 25 kt. Seas 5 ft.
.FRI...S wind 30 kt. Seas 7 ft.
.FRI NIGHT...S wind 40 kt. Seas 17 ft.
.SAT...SW wind 40 kt. Seas 19 ft.
.SUN THROUGH MON...W wind 25 kt. Seas 12 ft.

$$

PKZ173-120145-
Nikolski to Seguam Island Bering Side-
358 AM AKST Thu Mar 11 2021

...GALE WARNING FRIDAY...

.TODAY...NW wind 15 kt. Seas 6 ft.
.TONIGHT...SW wind 20 kt becoming S 30 kt after midnight. 
Seas 8 ft.
.FRI...S wind 40 kt. Seas 15 ft.
.FRI NIGHT...S wind 40 kt. Seas 17 ft.
.SAT THROUGH SUN...W wind 25 kt. Seas 14 ft.
.MON...W wind 30 kt. Seas 13 ft.

$$

PKZ174-120145-
Nikolski to Seguam Island Pacific Side-
358 AM AKST Thu Mar 11 2021

...GALE WARNING FRIDAY...

.TODAY...NW wind 15 kt. Seas 6 ft.
.TONIGHT...S wind 20 kt increasing to 30 kt after midnight. 
Seas 6 ft.
.FRI...S wind 40 kt. Seas 15 ft.
.FRI NIGHT...S wind 40 kt. Seas 21 ft.
.SAT...W wind 30 kt. Seas 21 ft.
.SUN THROUGH MON...W wind 30 kt. Seas 14 ft.

$$

PKZ175-120145-
Seguam Island to Adak Bering Side-
358 AM AKST Thu Mar 11 2021

...STORM WARNING FRIDAY...

.TODAY...SW wind 15 kt becoming S 25 kt in the afternoon. 
Seas 5 ft.
.TONIGHT...S wind 35 kt increasing to 45 kt after midnight. 
Seas 12 ft.
.FRI...S wind 50 kt. Seas 16 ft. Rain.
.FRI NIGHT...SW wind 40 kt. Seas 14 ft.
.SAT...SW wind 30 kt. Seas 14 ft.
.SUN...W wind 25 kt. Seas 13 ft.
.MON...W wind 30 kt. Seas 14 ft.

$$

PKZ176-120145-
Seguam Island to Adak Pacific Side-
358 AM AKST Thu Mar 11 2021

...GALE WARNING TONIGHT AND FRIDAY...

.TODAY...Variable wind 10 kt becoming S 25 kt in the afternoon.
Seas 4 ft.
.TONIGHT...S wind 30 kt increasing to 45 kt after midnight. Seas
8 ft building to 14 ft after midnight.
.FRI...S wind 45 kt. Seas 22 ft. Rain.
.FRI NIGHT...SW wind 40 kt. Seas 22 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 17 ft.

$$

PKZ177-120145-
Adak to Kiska-
358 AM AKST Thu Mar 11 2021

...STORM WARNING TONIGHT AND FRIDAY...

.TODAY...S wind 35 kt. Seas 7 ft building to 11 ft in the afternoon.
.TONIGHT...S wind 45 kt increasing to 55 kt after midnight. Seas
16 ft building to 24 ft after midnight. Rain and snow.
.FRI...S wind 50 kt becoming SW 35 kt in the afternoon. Seas 25
ft. Rain.
.FRI NIGHT...SW wind 30 kt. Seas 18 ft.
.SAT THROUGH SUN...W wind 30 kt. Seas 20 ft.
.MON...W wind 30 kt. Seas 15 ft.

$$

PKZ178-120145-
Kiska to Attu-
358 AM AKST Thu Mar 11 2021

...STORM WARNING TONIGHT...

.TODAY...S wind 45 kt. Seas 22 ft.
.TONIGHT...SE wind 55 kt. Seas 24 ft building to 31 ft after
midnight. Rain and snow.
.FRI...SW wind 40 kt. Seas 29 ft.
.FRI NIGHT...SW wind 40 kt. Seas 24 ft.
.SAT...W wind 30 kt. Seas 24 ft.
.SUN...W wind 30 kt. Seas 16 ft.
.MON...NW wind 30 kt. Seas 14 ft.

$$

PKZ179-120145-
Pribilof Islands Near Shore Waters-
358 AM AKST Thu Mar 11 2021

...GALE WARNING FRIDAY...

.TODAY...W wind 30 kt. Seas 9 ft. Freezing spray.
.TONIGHT...W wind 20 kt. Seas 7 ft.
.FRI...S wind 40 kt. Seas 10 ft building to 15 ft in the
afternoon.
.FRI NIGHT...SE wind 40 kt. Seas 19 ft.
.SAT...SW wind 40 kt. Seas 20 ft.
.SUN...SW wind 20 kt. Seas 14 ft.
.MON...NW wind 25 kt. Seas 12 ft.

$$

PKZ180-120145-
Kuskokwim Delta and Etolin Strait-
358 AM AKST Thu Mar 11 2021

...GALE WARNING THROUGH TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH FRIDAY...

.TODAY...SW wind 35 kt. Seas in ice free waters 9 ft. 
Heavy freezing spray.
.TONIGHT...NW wind 35 kt becoming N 25 kt after midnight. Seas in
ice free waters 10 ft. Heavy freezing spray.
.FRI...E wind 25 kt. Seas in ice free waters 5 ft. 
Heavy freezing spray.
.FRI NIGHT...SE wind 35 kt. Seas in ice free waters 7 ft.
.SAT...SE wind 40 kt. Seas in ice free waters 11 ft.
.SUN...SW wind 15 kt. Seas in ice free waters 7 ft.
.MON...NW wind 20 kt. Seas in ice free waters 6 ft.

$$

PKZ181-120145-
North and West of Nunivak Island-
358 AM AKST Thu Mar 11 2021

...BRISK WIND ADVISORY TODAY AND FRIDAY...

.TODAY...NW wind 30 kt diminishing to 20 kt in the afternoon.
Snow showers.
.TONIGHT...N wind 15 kt becoming SE after midnight.
.FRI...SE wind 30 kt.
.FRI NIGHT...SE wind 35 kt.
.SAT...S wind 40 kt.
.SUN...S wind 15 kt.
.MON...NW wind 20 kt.

$$

PKZ185-120145-
Saint Matthew Island Waters-
358 AM AKST Thu Mar 11 2021

...STORM WARNING FRIDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH TONIGHT...

.TODAY...E of Saint Matthew Island, NW wind 35 kt becoming W 15 kt
in the afternoon. W of Saint Matthew Island, W wind 15 kt becoming
S 25 kt in the afternoon. Seas in ice free waters 8 ft. Heavy 
freezing spray.
.TONIGHT...E of Saint Matthew Island, S wind 15 kt increasing to
25 kt after midnight. W of Saint Matthew Island, S wind 40 kt.
Seas in ice free waters 12 ft. Heavy freezing spray.
.FRI...SE wind 40 kt E of Saint Matthew Island... SE 50 kt W of
Saint Matthew Island. Seas in ice free waters 18 ft building to
24 ft in the afternoon.
.FRI NIGHT...S wind 40 kt. Seas in ice free waters 24 ft.
.SAT...S wind 40 kt. Seas in ice free waters 20 ft.
.SUN...SW wind 25 kt. Seas in ice free waters 14 ft.
.MON...NW wind 25 kt. Seas in ice free waters 10 ft.

$$

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

Issued	Product	Office	Lasted
Mar 9, 3:18 PM AKST	Gale Warning	AFC	72 hr
Mar 9, 3:18 PM AKST	Small Craft Advisory	AFC	36 hr
Mar 9, 3:18 PM AKST	Storm Warning	AFC	49 hr
Mar 9, 3:18 PM AKST	Heavy Freezing Spray Warning	AFC	4 days
Mar 9, 3:22 PM AKST	Heavy Freezing Spray Warning	AFC	23 hr
Mar 9, 3:34 PM AKST	Gale Warning	AFC	23 hr
Mar 9, 3:34 PM AKST	Heavy Freezing Spray Warning	AFC	72 hr
Mar 9, 8:42 PM AKST	Winter Weather Advisory	AFC	39 hr
Mar 10, 3:41 AM AKST	Gale Warning	AFC	11 hr
Mar 10, 3:59 AM AKST	Gale Warning	AFC	4 days
Mar 10, 4:03 AM AKST	Gale Warning	AFC	3 days
Mar 10, 4:03 AM AKST	Small Craft Advisory	AFC	11 hr
Mar 10, 4:03 AM AKST	Heavy Freezing Spray Warning	AFC	3 days
Mar 10, 10:57 AM AKST	Winter Weather Advisory	AFC	32 hr
Mar 10, 2:44 PM AKST	Gale Warning	AFC	13 hr
Mar 10, 2:44 PM AKST	Storm Warning	AFC	48 hr

Nearby

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

Sources

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