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National Weather Service Marine Forecast FZAK52 PAFC
FZAK52 PAFC 172321
CWFALU
Coastal Waters Forecast
National Weather Service Anchorage Alaska
321 PM AKDT Sat May 17 2025
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.
PKZ199-181215
321 PM AKDT Sat May 17 2025
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 1002 mb low 190 nm NW of Shemya moves to 240 nm SE of Atka at 1012 mb Sun evening. This low exits to the North Pacific through Mon afternoon. A 1003 mb Kamchatka low Sun evening moves to 250 nm W of Attu at 994 mb Mon afternoon.
PKZ750-181215
Sitkinak to Castle Cape out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 3 ft.
SUN
N wind 15 kt. Seas 2 ft.
SUN NIGHT
NW wind 15 kt. Seas 3 ft.
MON AND MON NIGHT
NW wind 15 kt. Seas 3 ft.
TUE
Variable wind 10 kt. Seas 3 ft.
WED
N wind 15 kt. Seas 3 ft.
THU
NW wind 15 kt. Seas 7 ft.
PKZ751-181215
Sitkinak to Castle Cape from 15 to 100 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 4 ft.
SUN
N wind 15 kt. Seas 4 ft.
SUN NIGHT
NW wind 15 kt. Seas 5 ft.
MON AND MON NIGHT
W wind 15 kt. Seas 5 ft.
TUE
W wind 15 kt. Seas 5 ft.
WED THROUGH THU
NW wind 20 kt. Seas 7 ft.
PKZ752-181215
Castle Cape to Cape Tolstoi out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 2 ft.
SUN
Variable wind 10 kt. Seas 2 ft.
SUN NIGHT
NW wind 15 kt. Seas 2 ft.
MON AND MON NIGHT
NW wind 15 kt. Seas 3 ft.
TUE
Variable wind 10 kt. Seas 2 ft.
WED THROUGH THU
NW wind 15 kt. Seas 4 ft.
PKZ753-181215
Castle Cape to Cape Tolstoi from 15 to 100 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 4 ft.
SUN
NW wind 15 kt. Seas 3 ft.
SUN NIGHT
W wind 15 kt. Seas 4 ft.
MON AND MON NIGHT
W wind 15 kt. Seas 4 ft.
TUE
W wind 15 kt. Seas 5 ft.
WED THROUGH THU
W wind 20 kt. Seas 8 ft.
PKZ754-181215
Cape Tolstoi to Cape Sarichef out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 3 ft.
SUN
Variable wind 10 kt. Seas 2 ft.
SUN NIGHT
Variable wind 10 kt. Seas 2 ft.
MON AND MON NIGHT
Variable wind 10 kt. Seas 2 ft.
TUE
Variable wind 10 kt. Seas 3 ft.
WED
NW wind 20 kt. Seas 6 ft.
THU
NW wind 15 kt. Seas 6 ft.
PKZ755-181215
Cape Tolstoi to Cape Sarichef from 15 to 100 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 4 ft.
SUN
Variable wind 10 kt. Seas 3 ft.
SUN NIGHT
Variable wind 10 kt. Seas 4 ft.
MON
Variable wind 10 kt. Seas 4 ft.
MON NIGHT
W wind 15 kt. Seas 4 ft.
TUE
Variable wind 10 kt. Seas 5 ft.
WED
NW wind 20 kt. Seas 7 ft.
THU
W wind 20 kt. Seas 11 ft.
PKZ756-181215
Port Heiden to Nelson Lagoon out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 2 ft.
SUN
Variable wind 10 kt. Seas 1 foot.
SUN NIGHT
Variable wind 10 kt. Seas 1 foot.
MON AND MON NIGHT
W wind 15 kt. Seas 2 ft.
TUE
Variable wind 10 kt. Seas 2 ft.
WED
NW wind 20 kt. Seas 2 ft.
THU
NW wind 15 kt. Seas 4 ft.
PKZ757-181215
Port Heiden to Nelson Lagoon from 15 to 60 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 2 ft.
SUN
Variable wind 10 kt. Seas 1 foot.
SUN NIGHT
W wind 15 kt. Seas 2 ft.
MON AND MON NIGHT
NW wind 15 kt. Seas 3 ft.
TUE
NW wind 15 kt. Seas 3 ft.
WED
NW wind 20 kt. Seas 4 ft.
THU
NW wind 20 kt. Seas 8 ft.
PKZ758-181215
Nelson Lagoon to Cape Sarichef out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 2 ft.
SUN
Variable wind 10 kt. Seas 2 ft.
SUN NIGHT
Variable wind 10 kt. Seas 1 foot.
MON AND MON NIGHT
Variable wind 10 kt. Seas 1 foot.
TUE
Variable wind 10 kt. Seas 2 ft.
WED THROUGH THU
NW wind 20 kt. Seas 5 ft.
PKZ759-181215
Nelson Lagoon to Cape Sarichef from 15 to 70 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 2 ft.
SUN
Variable wind 10 kt. Seas 2 ft.
SUN NIGHT
Variable wind 10 kt. Seas 1 foot.
MON AND MON NIGHT
Variable wind 10 kt. Seas 2 ft.
TUE
Variable wind 10 kt. Seas 2 ft.
WED
N wind 20 kt. Seas 5 ft.
THU
NW wind 20 kt. Seas 9 ft.
PKZ770-181215
Cape Sarichef to Nikolski Bering Side out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 2 ft.
SUN
Variable wind 10 kt. Seas 2 ft.
SUN NIGHT
Variable wind 10 kt. Seas 1 foot.
MON
Variable wind 10 kt. Seas 1 foot.
MON NIGHT
Variable wind 10 kt. Seas 2 ft.
TUE
Variable wind 10 kt. Seas 2 ft.
WED
NW wind 20 kt. Seas 5 ft.
THU
NW wind 20 kt. Seas 10 ft.
PKZ772-181215
Cape Sarichef to Nikolski Bering Side from 15 to 85 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 2 ft.
SUN
Variable wind 10 kt. Seas 2 ft.
SUN NIGHT
Variable wind 10 kt. Seas 1 foot.
MON
Variable wind 10 kt. Seas 2 ft.
MON NIGHT
Variable wind 10 kt. Seas 2 ft.
TUE
Variable wind 10 kt. Seas 3 ft.
WED
N wind 15 kt. Seas 7 ft.
THU
N wind 20 kt. Seas 12 ft.
PKZ771-181215
Unalaska Bay
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind less than 10 kt. Seas 2 ft.
SUN
Variable wind less than 10 kt. Seas 1 foot.
SUN NIGHT
Variable wind less than 10 kt. Seas 1 foot.
MON
Variable wind less than 10 kt. Seas 1 foot.
MON NIGHT
Variable wind less than 10 kt. Seas 1 foot.
TUE
Variable wind less than 10 kt. Seas 1 foot.
WED THROUGH THU
NW wind 15 kt. Seas 4 ft.
PKZ773-181215
Cape Sarichef to Nikolski Pacific Side out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 3 ft.
SUN
Variable wind 10 kt. Seas 3 ft.
SUN NIGHT
Variable wind 10 kt. Seas 3 ft.
MON AND MON NIGHT
Variable wind 10 kt. Seas 4 ft.
TUE
Variable wind 10 kt. Seas 6 ft.
WED THROUGH THU
W wind 20 kt. Seas 9 ft.
PKZ774-181215
Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 4 ft.
SUN
Variable wind 10 kt. Seas 3 ft.
SUN NIGHT
Variable wind 10 kt. Seas 3 ft.
MON
Variable wind 10 kt. Seas 4 ft.
MON NIGHT
W wind 15 kt. Seas 5 ft.
TUE
Variable wind 10 kt. Seas 7 ft.
WED
W wind 20 kt. Seas 9 ft.
THU
W wind 20 kt. Seas 14 ft.
PKZ775-181215
Nikolski to Seguam Bering Side out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 3 ft.
SUN
Variable wind 10 kt. Seas 3 ft.
SUN NIGHT
Variable wind 10 kt. Seas 2 ft.
MON AND MON NIGHT
Variable wind 10 kt. Seas 4 ft.
TUE
SW wind 15 kt. Seas 6 ft.
WED
SE wind 15 kt. Seas 9 ft.
THU
W wind 20 kt. Seas 15 ft.
PKZ776-181215
Nikolski to Seguam Bering Side from 15 to 85 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 3 ft.
SUN
Variable wind 10 kt. Seas 2 ft.
SUN NIGHT
Variable wind 10 kt. Seas 2 ft.
MON AND MON NIGHT
Variable wind 10 kt. Seas 3 ft.
TUE
S wind 15 kt. Seas 5 ft.
WED
E wind 15 kt. Seas 9 ft.
THU
W wind 20 kt. Seas 15 ft.
PKZ777-181215
Nikolski to Seguam Pacfic Side out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 4 ft.
SUN
Variable wind 10 kt. Seas 3 ft.
SUN NIGHT
Variable wind 10 kt. Seas 3 ft.
MON
Variable wind 10 kt. Seas 4 ft.
MON NIGHT
SW wind 15 kt. Seas 5 ft.
TUE
SW wind 15 kt. Seas 7 ft.
WED
SE wind 15 kt. Seas 10 ft.
THU
W wind 20 kt. Seas 16 ft.
PKZ778-181215
Nikolski to Seguam Pacific Side from 15 to 75 NM
321 PM AKDT Sat May 17 2025
TONIGHT
W wind 15 kt. Seas 4 ft.
SUN
Variable wind 10 kt. Seas 4 ft.
SUN NIGHT
Variable wind 10 kt. Seas 4 ft.
MON
Variable wind 10 kt. Seas 5 ft.
MON NIGHT
SW wind 15 kt. Seas 5 ft.
TUE
SW wind 20 kt. Seas 9 ft.
WED
S wind 15 kt. Seas 11 ft.
THU
SW wind 20 kt. Seas 17 ft.
PKZ780-181215
Seguam to Adak Bering Side out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
S wind 15 kt. Seas 3 ft.
SUN
Variable wind 10 kt. Seas 2 ft.
SUN NIGHT
Variable wind 10 kt. Seas 2 ft.
MON
Variable wind 10 kt. Seas 2 ft.
MON NIGHT
SW wind 20 kt. Seas 3 ft.
TUE
SW wind 25 kt. Seas 4 ft.
WED
SE wind 20 kt. Seas 8 ft.
THU
SW wind 15 kt. Seas 15 ft.
PKZ781-181215
Seguam to Adak Bering Side from 15 to 85 NM
321 PM AKDT Sat May 17 2025
TONIGHT
SE wind 15 kt. Seas 3 ft.
SUN
SE wind 15 kt. Seas 2 ft.
SUN NIGHT
Variable wind 10 kt. Seas 2 ft.
MON
Variable wind 10 kt. Seas 3 ft.
MON NIGHT
S wind 25 kt. Seas 3 ft.
TUE
SW wind 20 kt. Seas 5 ft.
WED
SE wind 20 kt. Seas 9 ft.
THU
W wind 15 kt. Seas 15 ft.
PKZ782-181215
Seguam to Adak Pacific Side out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
S wind 15 kt. Seas 3 ft.
SUN
SE wind 15 kt. Seas 4 ft.
SUN NIGHT
Variable wind 10 kt. Seas 5 ft.
MON
Variable wind 10 kt. Seas 5 ft.
MON NIGHT
SW wind 25 kt. Seas 5 ft.
TUE
SW wind 25 kt. Seas 8 ft.
WED
S wind 20 kt. Seas 13 ft.
THU
SW wind 15 kt. Seas 14 ft.
PKZ783-181215
Seguam to Adak Pacific Side from 15 to 75 NM
321 PM AKDT Sat May 17 2025
TONIGHT
SW wind 15 kt. Seas 4 ft. Rain.
SUN
S wind 15 kt. Seas 6 ft. Rain.
SUN NIGHT
E wind 15 kt. Seas 6 ft.
MON
Variable wind 10 kt. Seas 5 ft.
MON NIGHT
SW wind 25 kt. Seas 6 ft.
TUE
SW wind 30 kt. Seas 10 ft.
WED
S wind 25 kt. Seas 13 ft.
THU
SW wind 25 kt. Seas 15 ft.
PKZ784-181215
Adak to Kiska Bering Side
321 PM AKDT Sat May 17 2025
TONIGHT
S wind 20 kt. Seas 5 ft. Rain.
SUN
E wind 15 kt. Seas 5 ft.
SUN NIGHT
Variable wind 10 kt. Seas 4 ft.
MON
SW wind 15 kt. Seas 3 ft.
MON NIGHT
S wind 30 kt. Seas 7 ft.
TUE
SW wind 25 kt. Seas 8 ft.
WED
SE wind 25 kt. Seas 10 ft.
THU
W wind 20 kt. Seas 12 ft.
PKZ785-181215
Adak to Kiska Pacific Side
321 PM AKDT Sat May 17 2025
SMALL CRAFT ADVISORY TONIGHT
TONIGHT
S wind 25 kt. Seas 6 ft. Rain.
SUN
SE wind 15 kt. Seas 6 ft.
SUN NIGHT
Variable wind 10 kt. Seas 6 ft.
MON
SW wind 15 kt. Seas 6 ft.
MON NIGHT
S wind 35 kt. Seas 10 ft.
TUE
SW wind 30 kt. Seas 12 ft.
WED
S wind 25 kt. Seas 13 ft.
THU
SW wind 25 kt. Seas 15 ft.
PKZ786-181215
Kiska to Attu Bering Side
321 PM AKDT Sat May 17 2025
TONIGHT
S wind 20 kt becoming NE after midnight. Seas 6 ft.
SUN
Variable wind 10 kt. Seas 5 ft.
SUN NIGHT
Variable wind 10 kt. Seas 5 ft.
MON AND MON NIGHT
S wind 30 kt. Seas 7 ft.
TUE
SW wind 25 kt. Seas 11 ft.
WED
E wind 30 kt. Seas 9 ft.
THU
NW wind 15 kt. Seas 12 ft.
PKZ787-181215
Kiska to Attu Pacific Side
321 PM AKDT Sat May 17 2025
TONIGHT
W wind 20 kt. Seas 7 ft.
SUN
NW wind 20 kt. Seas 7 ft.
SUN NIGHT
W wind 15 kt. Seas 6 ft.
MON
S wind 30 kt. Seas 7 ft.
MON NIGHT
SW wind 35 kt. Seas 13 ft.
TUE
SW wind 25 kt. Seas 13 ft.
WED
S wind 25 kt. Seas 13 ft.
THU
SW wind 25 kt. Seas 14 ft.
PKZ766-181215
Pribilof Islands Nearshore Waters
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas 2 ft.
SUN
Variable wind 10 kt. Seas 1 foot.
SUN NIGHT
Variable wind 10 kt. Seas 1 foot.
MON
Variable wind 10 kt. Seas 2 ft.
MON NIGHT
Variable wind 10 kt. Seas 2 ft.
TUE
E wind 15 kt. Seas 3 ft.
WED
NE wind 15 kt. Seas 6 ft.
THU
N wind 20 kt. Seas 10 ft.
PKZ760-181215
Bristol Bay greater than 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
SW wind 10 kt in the evening becoming variable less
than
10 kt. Seas 2 ft.
SUN
Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 1 foot.
SUN NIGHT
W wind 15 kt. Seas 3 ft.
MON AND MON NIGHT
W wind 20 kt. Seas 4 ft.
TUE THROUGH THU
NW wind 15 kt. Seas 5 ft.
PKZ761-181215
Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind less than 10 kt. Seas 2 ft.
SUN
Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 1 foot.
SUN NIGHT
W wind 10 kt increasing to 15 kt after midnight. Seas
2 ft.
MON
W wind 15 kt. Seas 3 ft.
MON NIGHT
W wind 20 kt. Seas 4 ft.
TUE THROUGH THU
NW wind 15 kt. Seas 3 ft.
PKZ762-181215
Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
SW wind 10 kt in the evening becoming variable less
than
10 kt. Seas 2 ft.
SUN
Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 1 foot.
SUN NIGHT
W wind 15 kt. Seas 2 ft.
MON AND MON NIGHT
W wind 20 kt. Seas 3 ft.
TUE
W wind 15 kt. Seas 3 ft.
WED
NW wind 10 kt. Seas 2 ft.
THU
NW wind 10 kt. Seas 6 ft.
PKZ763-181215
Kuskokwim Delta and Etolin Strait out to 15 NM
321 PM AKDT Sat May 17 2025
TONIGHT
W wind 15 kt. Seas 2 ft.
SUN
NW wind 10 kt increasing to 15 kt in the afternoon. Seas
1 foot.
SUN NIGHT
NW wind 20 kt. Seas 2 ft.
MON AND MON NIGHT
NW wind 15 kt. Seas 2 ft.
TUE
NW wind 15 kt. Seas 2 ft.
WED THROUGH THU
NW wind 20 kt. Seas 4 ft.
PKZ764-181215
Kuskokwim Delta from 15 to 80 NM
321 PM AKDT Sat May 17 2025
TONIGHT
NW wind 10 kt. Seas 2 ft.
SUN
NW wind 10 kt. Seas 2 ft.
SUN NIGHT
NW wind 15 kt. Seas 2 ft.
MON AND MON NIGHT
NW wind 15 kt. Seas 3 ft.
TUE
NW wind 15 kt. Seas 3 ft.
WED
NW wind 20 kt. Seas 4 ft.
THU
NW wind 20 kt. Seas 9 ft.
PKZ765-181215
North and West of Nunivak Island
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas in ice free waters 2 ft.
SUN
Variable wind 10 kt. Seas in ice free waters 1 foot.
SUN NIGHT
N wind 15 kt. Seas in ice free waters 2 ft.
MON AND MON NIGHT
N wind 15 kt. Seas in ice free waters 3 ft.
TUE
N wind 15 kt. Seas in ice free waters 3 ft.
WED THROUGH THU
NW wind 20 kt. Seas in ice free waters 6 ft.
PKZ767-181215
Saint Matthew Island Waters
321 PM AKDT Sat May 17 2025
TONIGHT
Variable wind 10 kt. Seas in ice free waters 2 ft.
SUN
Variable wind 10 kt. Seas in ice free waters 2 ft.
SUN NIGHT
Variable wind 10 kt. Seas in ice free waters 3 ft.
MON
NE wind 15 kt. Seas in ice free waters 3 ft.
MON NIGHT
NE wind 20 kt. Seas in ice free waters 4 ft.
TUE
NE wind 25 kt. Seas in ice free waters 5 ft.
WED
NE wind 20 kt. Seas in ice free waters 7 ft.
THU
N wind 20 kt. Seas in ice free waters 8 ft.
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