Small Craft Advisory 1021, NWS Anchorage, AK

Issued

Dec 20, 2021, 3:25 PM AKST (00:25 UTC)

Expired

Dec 21, 2021, 4:00 AM AKST

In force

13 hr

Issued by

NWS Anchorage, AK

132 
FZAK52 PAFC 210025
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
325 PM AKST Mon Dec 20 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.

PKZ199-211300-
325 PM AKST Mon Dec 20 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 993 mb North Pacific low moves across the Western Aleutians at 
985 mb Tue afternoon to Central Kamchatka at 967 mb Wed morning, 
then shifts to Northern Kamchatka at 982 mb by Wed afternoon. Its 
front moves into the Northern Bering by Wed afternoon. A 985 mb 
North Pacific low approaches the Western Aleutians Wed afternoon.

$$

PKZ150-211300-
South of the AK Peninsula Sitkinak to Castle Cape-
325 PM AKST Mon Dec 20 2021

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

.TONIGHT...NW wind 25 kt. Gusts to 40 kt out of bays and passes 
in the evening. Seas 11 ft.
.TUE...NW wind 25 kt diminishing to 15 kt after midnight. 
Seas 10 ft.
.TUE NIGHT...SW wind 20 kt. Seas 8 ft.
.WED...W wind 30 kt. Seas 9 ft.
.WED NIGHT...NW wind 35 kt. Seas 11 ft.
.THU...W wind 30 kt. Seas 10 ft.
.FRI...W wind 20 kt. Seas 8 ft.
.SAT...SW wind 25 kt. Seas 9 ft.

$$

PKZ155-211300-
South of the AK Peninsula Castle Cape to Cape Sarichef-
325 PM AKST Mon Dec 20 2021

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

.TONIGHT...NW wind 20 kt becoming variable 10 kt after midnight. 
Seas 12 ft.
.TUE...S wind 20 kt except variable 10 kt from the Shumagin
Islands E. Seas 10 ft.
.TUE NIGHT...SW wind 20 kt increasing to 30 kt after midnight.
Seas 10 ft.
.WED...SW wind 30 kt. Seas 12 ft.
.WED NIGHT...NW wind 25 kt. Seas 11 ft.
.THU THROUGH FRI...SW wind 20 kt. Seas 9 ft.
.SAT...SW wind 25 kt. Seas 12 ft.

$$

PKZ160-211300-
Bristol Bay-
325 PM AKST Mon Dec 20 2021

.TONIGHT...W wind 20 kt. Seas in ice free waters 5 ft.
.TUE...Variable wind less than 10 kt. Seas in ice free waters 4 ft.
.TUE NIGHT...Variable wind less than 10 kt becoming E 15 kt after
midnight. Seas in ice free waters 4 ft. Rain, snow and freezing 
rain.
.WED...SW wind 30 kt. Seas in ice free waters 6 ft.
.WED NIGHT...W wind 30 kt. Seas in ice free waters 8 ft.
.THU...W wind 25 kt. Seas in ice free waters 6 ft.
.FRI...SE wind 10 kt. Seas in ice free waters 2 ft.
.SAT...SW wind 20 kt. Seas in ice free waters 3 ft.

$$

PKZ165-211300-
Port Heiden to Cape Sarichef-
325 PM AKST Mon Dec 20 2021

...SMALL CRAFT ADVISORY TUESDAY AND TUESDAY NIGHT...

.TONIGHT...NW wind 20 kt becoming variable 10 kt after midnight. 
Seas 7 ft.
.TUE...SE wind 25 kt except 15 kt from Port Moller E. Seas 7 ft.
.TUE NIGHT...S wind 25 kt except 15 kt from Port Moller E. 
Seas 6 ft.
.WED...SW wind 30 kt. Seas 10 ft.
.WED NIGHT...W wind 25 kt. Seas 10 ft.
.THU THROUGH FRI...S wind 20 kt. Seas 8 ft.
.SAT...S wind 25 kt. Seas 8 ft.

$$

PKZ170-211300-
Cape Sarichef to Nikolski Bering Side-
325 PM AKST Mon Dec 20 2021

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...NE wind 15 kt becoming E 25 kt after midnight. 
Seas 8 ft. Rain.
.TUE...SE wind 30 kt. Seas 9 ft.
.TUE NIGHT...S wind 35 kt. Seas 11 ft.
.WED...SW wind 30 kt. Seas 11 ft.
.WED NIGHT...SW wind 15 kt. Seas 8 ft.
.THU THROUGH FRI...S wind 25 kt. Seas 9 ft.
.SAT...S wind 30 kt. Seas 12 ft.

$$

PKZ171-211300-
Unalaska Bay-
325 PM AKST Mon Dec 20 2021

.TONIGHT...Variable wind less than 10 kt becoming 
SE 15 kt after midnight. Seas 3 ft. Rain.
.TUE...SE wind 20 kt. Seas 3 ft. Rain.
.TUE NIGHT...S wind 20 kt. Seas 3 ft.
.WED...SW wind 20 kt. Seas 3 ft.
.WED NIGHT...SW wind 15 kt. Seas 2 ft.
.THU...S wind 15 kt. Seas 2 ft.
.FRI THROUGH SAT...S wind 20 kt. Seas 3 ft.

$$

PKZ172-211300-
Cape Sarichef to Nikolski Pacific Side-
325 PM AKST Mon Dec 20 2021

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

.TONIGHT...E wind 25 kt. Seas 13 ft. Rain.
.TUE...S wind 25 kt. Seas 11 ft.
.TUE NIGHT...S wind 30 kt. Seas 14 ft.
.WED...SW wind 30 kt. Seas 15 ft.
.WED NIGHT...SE wind 15 kt. Seas 13 ft.
.THU...S wind 20 kt. Seas 10 ft.
.FRI...S wind 25 kt. Seas 13 ft.
.SAT...S wind 30 kt. Seas 20 ft.

$$

PKZ173-211300-
Nikolski to Seguam Island Bering Side-
325 PM AKST Mon Dec 20 2021

...GALE WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...E wind increasing to 35 kt. Seas 11 ft. Rain.
.TUE...S wind 35 kt. Seas 16 ft.
.TUE NIGHT...S wind 35 kt. Seas 16 ft.
.WED...W wind 25 kt. Seas 15 ft.
.WED NIGHT...S wind 20 kt. Seas 11 ft.
.THU...S wind 25 kt. Seas 10 ft.
.FRI...SE wind 30 kt. Seas 13 ft.
.SAT...SE wind 30 kt. Seas 19 ft.

$$

PKZ174-211300-
Nikolski to Seguam Island Pacific Side-
325 PM AKST Mon Dec 20 2021

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

.TONIGHT...E wind 30 kt. Seas 14 ft. Rain.
.TUE...S wind 35 kt. Seas 18 ft.
.TUE NIGHT...S wind 35 kt. Seas 19 ft.
.WED...W wind 30 kt. Seas 18 ft.
.WED NIGHT...SE wind 20 kt. Seas 12 ft.
.THU...S wind 30 kt. Seas 12 ft.
.FRI...SE wind 30 kt. Seas 16 ft.
.SAT...S wind 30 kt. Seas 24 ft.

$$

PKZ175-211300-
Seguam Island to Adak Bering Side-
325 PM AKST Mon Dec 20 2021

...GALE WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...E wind increasing to 45 kt. Seas 13 ft. Rain.
.TUE...S wind 40 kt. Seas 12 ft. Rain.
.TUE NIGHT...S wind 35 kt. Seas 12 ft.
.WED...SW wind 25 kt. Seas 10 ft.
.WED NIGHT...S wind 25 kt. Seas 8 ft.
.THU THROUGH FRI...SE wind 25 kt. Seas 9 ft.
.SAT...SE wind 30 kt. Seas 12 ft.

$$

PKZ176-211300-
Seguam Island to Adak Pacific Side-
325 PM AKST Mon Dec 20 2021

...GALE WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...E wind 40 kt becoming S after midnight. Seas 18 ft. Rain.
.TUE...S wind 40 kt. Seas 23 ft. Rain.
.TUE NIGHT...S wind 35 kt becoming SW 25 kt after midnight. Seas 23 
ft. Rain.
.WED...SW wind 20 kt. Seas 18 ft.
.WED NIGHT...SE wind 20 kt. Seas 13 ft.
.THU THROUGH FRI...SE wind 30 kt. Seas 17 ft.
.SAT...SE wind 30 kt. Seas 23 ft.

$$

PKZ177-211300-
Adak to Kiska-
325 PM AKST Mon Dec 20 2021

...STORM WARNING TONIGHT...

.TONIGHT...SE wind increasing to 50 kt. Bering side, seas 11 ft 
building to 18 ft after midnight. Pacific side, seas 21 ft. Rain.
.TUE...S wind 40 kt. Seas 18 ft Bering side...24 ft Pacific side.
.TUE NIGHT...SW wind 30 kt. Seas 16 ft Bering side... 23 ft Pacific
side.
.WED...SW wind 40 kt. Seas 17 ft.
.WED NIGHT...S wind 35 kt. Seas 15 ft.
.THU...SE wind 30 kt. Seas 14 ft.
.FRI...NE wind 20 kt. Seas 15 ft.
.SAT...S wind 20 kt. Seas 18 ft.

$$

PKZ178-211300-
Kiska to Attu-
325 PM AKST Mon Dec 20 2021

...STORM WARNING TONIGHT...

.TONIGHT...E wind increasing to 50 kt. Seas 18 ft. Rain and snow.
.TUE...S wind 40 kt becoming SW 25 kt in the afternoon. Seas 17
ft.
.TUE NIGHT...SW wind 35 kt increasing to 45 kt after midnight.
Seas 19 ft.
.WED...S wind 45 kt. Seas 21 ft.
.WED NIGHT...S wind 40 kt. Seas 22 ft.
.THU...S wind 30 kt. Seas 19 ft.
.FRI...NW wind 15 kt. Seas 12 ft.
.SAT...N wind 25 kt. Seas 14 ft.

$$

PKZ179-211300-
Pribilof Islands Near Shore Waters-
325 PM AKST Mon Dec 20 2021

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

.TONIGHT...NW wind 20 kt becoming E after midnight. Seas 12 ft.
.TUE...SE wind 35 kt. Seas 11 ft. Rain and snow.
.TUE NIGHT...S wind 35 kt. Seas 16 ft.
.WED...SW wind 30 kt. Seas 15 ft.
.WED NIGHT...SW wind 25 kt. Seas 13 ft.
.THU THROUGH SAT...SE wind 25 kt. Seas 13 ft.

$$

PKZ180-211300-
Kuskokwim Delta and Etolin Strait-
325 PM AKST Mon Dec 20 2021

...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY NIGHT...

.TONIGHT...W wind 25 kt becoming variable 10 kt after midnight. 
Seas in ice free waters 8 ft.
.TUE...Variable wind less than 10 kt becoming SE 20 kt in the
afternoon. Seas in ice free waters 7 ft. Rain, snow and freezing 
rain.
.TUE NIGHT...SE wind 30 kt. Seas in ice free waters 7 ft. Rain,
snow and freezing rain.
.WED AND WED NIGHT...W wind 30 kt. Seas in ice free waters 11 ft.
.THU...SW wind 25 kt. Seas in ice free waters 9 ft.
.FRI...SE wind 20 kt. Seas in ice free waters 6 ft.
.SAT...S wind 25 kt. Seas in ice free waters 8 ft.

$$

PKZ181-211300-
North and West of Nunivak Island-
325 PM AKST Mon Dec 20 2021

...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY NIGHT...

.TONIGHT...W wind 20 kt in the evening becoming variable 10 kt. 
Seas in ice free waters 10 ft.
.TUE...Variable wind 10 kt becoming E 20 kt in the afternoon. 
Seas in ice free waters 6 ft. Rain, snow and freezing rain.
.TUE NIGHT...E wind 30 kt. Seas in ice free waters 6 ft. 
Rain, snow and freezing rain.
.WED AND WED NIGHT...SW wind 35 kt. Seas in ice free waters 11 ft.
.THU...SW wind 25 kt. Seas in ice free waters 9 ft.
.FRI...SE wind 20 kt. Seas in ice free waters 2 ft.
.SAT...S wind 15 kt. Seas in ice free waters 2 ft.

$$

PKZ185-211300-
Saint Matthew Island Waters-
325 PM AKST Mon Dec 20 2021

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

.TONIGHT...W wind 20 kt in the evening becoming variable 10 kt.
Seas 13 ft.
.TUE...E of Saint Matthew Island, E wind 15 kt increasing to 30 kt
in the afternoon. W of Saint Matthew Island, E wind 30 kt
increasing to 45 kt in the afternoon. Seas 11 ft. Freezing spray. 
Snow.
.TUE NIGHT...E wind 40 kt E of Saint Matthew Island...E 45 kt W of
Saint Matthew Island. Seas 16 ft. Rain, snow and freezing rain.
.WED...SW wind 40 kt. Seas 19 ft.
.WED NIGHT...SW wind 35 kt. Seas 19 ft.
.THU...S wind 25 kt. Seas 17 ft.
.FRI...E wind 20 kt. Seas 10 ft.
.SAT...E wind 15 kt. Seas 9 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.