National Weather Service Marine Forecast FZAK52 PAFC

FZAK52 PAFC 182327
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
327 PM AKDT Sat Jul 18 2026

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.

PKZ199-191230
327 PM AKDT Sat Jul 18 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 999 mb low 70 nm N of Cold Bay moves to 50 nm SW of Cape Newenham at 1008 mb Sun afternoon, before dissipating over Norton Sound Mon morning. A Kamchatka low deepens to 998 mb 210 nm NW of Saint Paul on Mon afternoon. The low then tracks to 110 nm WSW of Mekoryuk at 1000 mb Mon morning.


PKZ750-191230
Sitkinak to Castle Cape out to 15 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
S wind 25 kt. Seas 7 ft.

SUN
S wind 20 kt. Seas 5 ft.

SUN NIGHT
S wind 15 kt. Seas 4 ft.

MON
SW wind 15 kt. Seas 4 ft.

MON NIGHT
SW wind 25 kt. Seas 5 ft.

TUE
S wind 25 kt. Seas 9 ft.

WED
SW wind 20 kt. Seas 6 ft.

THU
SW wind 15 kt. Seas 4 ft.


PKZ751-191230
Sitkinak to Castle Cape from 15 to 100 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY THROUGH SUNDAY

TONIGHT
S wind 25 kt. Seas 10 ft.

SUN
S wind 20 kt. Seas 9 ft.

SUN NIGHT
S wind 15 kt. Seas 7 ft.

MON
SW wind 15 kt. Seas 6 ft.

MON NIGHT
SW wind 25 kt. Seas 7 ft.

TUE
SW wind 25 kt. Seas 12 ft.

WED
SW wind 20 kt. Seas 10 ft.

THU
SW wind 20 kt. Seas 6 ft.


PKZ752-191230
Castle Cape to Cape Tolstoi out to 15 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
S wind 25 kt. Seas 7 ft.

SUN
SW wind 15 kt. Seas 5 ft.

SUN NIGHT
SW wind 15 kt. Seas 4 ft.

MON
SW wind 15 kt. Seas 3 ft.

MON NIGHT
S wind 25 kt. Seas 6 ft.

TUE
SW wind 25 kt. Seas 7 ft.

WED
SW wind 20 kt. Seas 4 ft.

THU
SW wind 15 kt. Seas 3 ft.


PKZ753-191230
Castle Cape to Cape Tolstoi from 15 to 100 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY THROUGH SUNDAY

TONIGHT
S wind 25 kt. Seas 10 ft.

SUN
SW wind 20 kt. Seas 8 ft.

SUN NIGHT
SW wind 15 kt. Seas 6 ft.

MON
SW wind 15 kt. Seas 5 ft.

MON NIGHT
S wind 30 kt. Seas 8 ft.

TUE
SW wind 30 kt. Seas 10 ft.

WED THROUGH THU
SW wind 20 kt. Seas 7 ft.


PKZ754-191230
Cape Tolstoi to Cape Sarichef out to 15 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
W wind 20 kt. Seas 6 ft.

SUN
W wind 20 kt. Seas 4 ft.

SUN NIGHT
W wind 15 kt. Seas 3 ft.

MON
SW wind 20 kt. Seas 4 ft.

MON NIGHT
S wind 25 kt. Seas 7 ft.

TUE
SW wind 25 kt. Seas 8 ft.

WED THROUGH THU
SW wind 20 kt. Seas 5 ft.


PKZ755-191230
Cape Tolstoi to Unalga Pass from 15 to 100 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
W wind 25 kt. Seas 10 ft.

SUN
W wind 20 kt. Seas 7 ft.

SUN NIGHT
W wind 15 kt. Seas 6 ft.

MON AND MON NIGHT
S wind 25 kt. Seas 8 ft.

TUE
SW wind 30 kt. Seas 10 ft.

WED THROUGH THU
SW wind 20 kt. Seas 7 ft.


PKZ756-191230
Port Heiden to Nelson Lagoon out to 15 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
S wind 15 kt. Seas 4 ft.

SUN
S wind 15 kt. Seas 5 ft.

SUN NIGHT
SW wind 15 kt. Seas 5 ft.

MON
S wind 15 kt. Seas 4 ft.

MON NIGHT
S wind 25 kt. Seas 3 ft.

TUE
S wind 25 kt. Seas 5 ft.

WED
S wind 20 kt. Seas 4 ft.

THU
SW wind 15 kt. Seas 4 ft.


PKZ757-191230
Port Heiden to Nelson Lagoon from 15 to 60 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
S wind 15 kt. Seas 6 ft.

SUN
S wind 15 kt. Seas 5 ft.

SUN NIGHT
SW wind 15 kt. Seas 5 ft.

MON
SW wind 15 kt. Seas 4 ft.

MON NIGHT
S wind 25 kt. Seas 6 ft.

TUE
SW wind 25 kt. Seas 8 ft.

WED THROUGH THU
SW wind 15 kt. Seas 5 ft.


PKZ758-191230
Nelson Lagoon to Cape Sarichef out to 15 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
W wind 20 kt. Seas 8 ft.

SUN
W wind 20 kt. Seas 7 ft.

SUN NIGHT
W wind 20 kt. Seas 5 ft.

MON AND MON NIGHT
S wind 25 kt. Seas 4 ft.

TUE THROUGH THU
SW wind 20 kt. Seas 5 ft.


PKZ759-191230
Nelson Lagoon to Unalga Pass 15 to 70 nm
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
NW wind 25 kt. Seas 9 ft.

SUN
W wind 20 kt. Seas 7 ft.

SUN NIGHT
W wind 15 kt. Seas 5 ft.

MON AND MON NIGHT
S wind 25 kt. Seas 6 ft.

TUE
SW wind 25 kt. Seas 8 ft.

WED THROUGH THU
SW wind 20 kt. Seas 7 ft.


PKZ768-191230
Unimak Pass
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
NW wind 25 kt. Seas 9 ft.

SUN
W wind 20 kt. Seas 7 ft.

SUN NIGHT
W wind 15 kt. Seas 5 ft.

MON AND MON NIGHT
S wind 25 kt. Seas 7 ft.

TUE
SW wind 25 kt. Seas 8 ft.

WED THROUGH THU
SW wind 20 kt. Seas 7 ft.


PKZ770-191230
Unalga Pass to Nikolski Bering Side out to 15 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
NW wind 25 kt. Seas 10 ft.

SUN
W wind 15 kt. Seas 6 ft.

SUN NIGHT
SW wind 15 kt. Seas 4 ft.

MON
S wind 25 kt. Seas 3 ft.

MON NIGHT
SW wind 20 kt. Seas 5 ft.

TUE THROUGH THU
SW wind 20 kt. Seas 5 ft.


PKZ772-191230
Unalga Pass to Nikolski Bering Side from 15 to 85 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
NW wind 25 kt. Seas 10 ft.

SUN
W wind 15 kt. Seas 7 ft.

SUN NIGHT
SW wind 15 kt. Seas 4 ft.

MON AND MON NIGHT
SW wind 25 kt. Seas 7 ft.

TUE
SW wind 25 kt. Seas 7 ft.

WED THROUGH THU
SW wind 20 kt. Seas 8 ft.


PKZ771-191230
Unalaska Bay
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
NW wind 25 kt. Seas 5 ft subsiding to 3 ft after midnight.

SUN
W wind 15 kt diminishing to 10 kt in the afternoon. Seas 2 ft.

SUN NIGHT
W wind 10 kt in the evening becoming variable less than 10 kt. Seas 2 ft.

MON
S wind 15 kt. Seas 2 ft.

MON NIGHT
SW wind 10 kt. Seas 2 ft.

TUE THROUGH THU
SW wind 10 kt. Seas 2 ft.


PKZ773-191230
Unalga Pass to Nikolski Pacific Side out to 15 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
NW wind 25 kt. Seas 5 ft.

SUN
W wind 15 kt. Seas 3 ft.

SUN NIGHT
SW wind 15 kt. Seas 3 ft.

MON AND MON NIGHT
SW wind 25 kt. Seas 6 ft.

TUE
SW wind 25 kt. Seas 6 ft.

WED THROUGH THU
SW wind 20 kt. Seas 8 ft.


PKZ774-191230
Unalga Pass to Nikolski Pacific Side from 15 to 85 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
NW wind 25 kt. Seas 8 ft.

SUN
W wind 20 kt. Seas 5 ft.

SUN NIGHT
W wind 15 kt. Seas 4 ft.

MON AND MON NIGHT
SW wind 25 kt. Seas 7 ft.

TUE
SW wind 25 kt. Seas 7 ft.

WED THROUGH THU
SW wind 20 kt. Seas 9 ft.


PKZ775-191230
Nikolski to Seguam Bering Side out to 15 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
NW wind 20 kt. Seas 8 ft.

SUN
W wind 15 kt. Seas 5 ft.

SUN NIGHT
S wind 20 kt. Seas 4 ft.

MON AND MON NIGHT
SW wind 20 kt. Seas 4 ft.

TUE
SW wind 20 kt. Seas 6 ft.

WED
S wind 25 kt. Seas 7 ft.

THU
SW wind 20 kt. Seas 7 ft.


PKZ776-191230
Nikolski to Seguam Bering Side from 15 to 85 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
NW wind 20 kt. Seas 8 ft.

SUN
W wind 15 kt. Seas 6 ft.

SUN NIGHT
S wind 20 kt. Seas 4 ft.

MON AND MON NIGHT
SW wind 20 kt. Seas 6 ft.

TUE
SW wind 20 kt. Seas 6 ft.

WED
S wind 25 kt. Seas 8 ft.

THU
SW wind 20 kt. Seas 7 ft.


PKZ777-191230
Nikolski to Seguam Pacfic Side out to 15 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
NW wind 20 kt. Seas 7 ft.

SUN
W wind 15 kt. Seas 4 ft.

SUN NIGHT
S wind 20 kt. Seas 4 ft.

MON AND MON NIGHT
SW wind 20 kt. Seas 5 ft.

TUE
SW wind 20 kt. Seas 6 ft.

WED
SW wind 25 kt. Seas 9 ft.

THU
SW wind 20 kt. Seas 9 ft.


PKZ778-191230
Nikolski to Seguam Pacific Side from 15 to 75 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
NW wind 20 kt. Seas 7 ft.

SUN
W wind 15 kt. Seas 5 ft.

SUN NIGHT
S wind 20 kt. Seas 5 ft.

MON AND MON NIGHT
SW wind 20 kt. Seas 5 ft.

TUE
SW wind 20 kt. Seas 6 ft.

WED
SW wind 25 kt. Seas 10 ft.

THU
SW wind 20 kt. Seas 10 ft.


PKZ780-191230
Seguam to Adak Bering Side out to 15 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
NW wind 15 kt. Seas 6 ft.

SUN
SW wind 15 kt. Seas 4 ft.

SUN NIGHT
SW wind 15 kt. Seas 3 ft.

MON
SW wind 15 kt. Seas 3 ft.

MON NIGHT
SW wind 20 kt. Seas 5 ft.

TUE THROUGH WED
S wind 25 kt. Seas 6 ft.

THU
S wind 20 kt. Seas 5 ft.


PKZ781-191230
Seguam to Adak Bering Side from 15 to 85 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
W wind 15 kt. Seas 7 ft.

SUN
SW wind 15 kt. Seas 4 ft.

SUN NIGHT
SW wind 15 kt. Seas 4 ft.

MON AND MON NIGHT
SW wind 20 kt. Seas 6 ft.

TUE THROUGH WED
S wind 25 kt. Seas 7 ft.

THU
S wind 20 kt. Seas 7 ft.


PKZ782-191230
Seguam to Adak Pacific Side out to 15 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
NW wind 15 kt. Seas 4 ft.

SUN
SW wind 15 kt. Seas 3 ft.

SUN NIGHT
SW wind 15 kt. Seas 4 ft.

MON AND MON NIGHT
SW wind 20 kt. Seas 5 ft.

TUE THROUGH THU
S wind 25 kt. Seas 9 ft.


PKZ783-191230
Seguam to Adak Pacific Side from 15 to 75 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
W wind 15 kt. Seas 5 ft.

SUN
SW wind 20 kt. Seas 4 ft.

SUN NIGHT
SW wind 15 kt. Seas 5 ft.

MON AND MON NIGHT
SW wind 20 kt. Seas 5 ft.

TUE THROUGH THU
S wind 25 kt. Seas 10 ft.


PKZ784-191230
Adak to Kiska Bering Side
327 PM AKDT Sat Jul 18 2026

TONIGHT
S wind 15 kt. Seas 5 ft.

SUN
SW wind 15 kt. Seas 4 ft.

SUN NIGHT
W wind 20 kt. Seas 4 ft.

MON AND MON NIGHT
SW wind 20 kt. Seas 7 ft.

TUE
S wind 30 kt. Seas 10 ft.

WED
S wind 25 kt. Seas 7 ft.

THU
S wind 20 kt. Seas 8 ft.


PKZ785-191230
Adak to Kiska Pacific Side
327 PM AKDT Sat Jul 18 2026

TONIGHT
Variable wind 10 kt. Seas 4 ft.

SUN
SW wind 15 kt. Seas 4 ft.

SUN NIGHT
W wind 15 kt. Seas 4 ft.

MON AND MON NIGHT
SW wind 20 kt. Seas 6 ft.

TUE
SW wind 30 kt. Seas 11 ft.

WED THROUGH THU
S wind 25 kt. Seas 11 ft.


PKZ786-191230
Kiska to Attu Bering Side
327 PM AKDT Sat Jul 18 2026

TONIGHT
Variable wind 10 kt. Seas 4 ft.

SUN
W wind 15 kt. Seas 4 ft.

SUN NIGHT
W wind 20 kt. Seas 5 ft.

MON
W wind 25 kt. Seas 8 ft.

MON NIGHT
SW wind 30 kt. Seas 8 ft.

TUE
SW wind 30 kt. Seas 10 ft.

WED
S wind 25 kt. Seas 9 ft.

THU
SE wind 20 kt. Seas 9 ft.


PKZ787-191230
Kiska to Attu Pacific Side
327 PM AKDT Sat Jul 18 2026

TONIGHT
W wind 15 kt. Seas 4 ft.

SUN
W wind 20 kt. Seas 5 ft.

SUN NIGHT
W wind 20 kt. Seas 6 ft.

MON
W wind 25 kt. Seas 7 ft.

MON NIGHT
SW wind 30 kt. Seas 8 ft.

TUE
SW wind 30 kt. Seas 11 ft.

WED
S wind 25 kt. Seas 9 ft.

THU
SE wind 20 kt. Seas 9 ft.


PKZ766-191230
Pribilof Islands Nearshore Waters
327 PM AKDT Sat Jul 18 2026

TONIGHT
NW wind 20 kt. Seas 7 ft.

SUN
NW wind 15 kt. Seas 5 ft.

SUN NIGHT
SW wind 15 kt. Seas 3 ft.

MON
S wind 25 kt. Seas 6 ft.

MON NIGHT
SW wind 20 kt. Seas 6 ft.

TUE
SW wind 20 kt. Seas 7 ft.

WED
S wind 25 kt. Seas 9 ft.

THU
SW wind 20 kt. Seas 8 ft.


PKZ760-191230
Bristol Bay greater than 15 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
SE wind 25 kt. Seas 6 ft.

SUN
SE wind 20 kt. Seas 5 ft.

SUN NIGHT
S wind 15 kt. Seas 4 ft.

MON
SW wind 15 kt. Seas 3 ft.

MON NIGHT
SE wind 20 kt. Seas 4 ft.

TUE
S wind 25 kt. Seas 7 ft.

WED THROUGH THU
SW wind 15 kt. Seas 5 ft.


PKZ761-191230
Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
SE wind 25 kt. Seas 5 ft.

SUN
SE wind 20 kt. Seas 4 ft.

SUN NIGHT
S wind 15 kt. Seas 3 ft.

MON
SW wind 15 kt. Seas 3 ft.

MON NIGHT
SE wind 20 kt. Seas 4 ft.

TUE
S wind 20 kt. Seas 6 ft.

WED THROUGH THU
SW wind 15 kt. Seas 4 ft.


PKZ762-191230
Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM
327 PM AKDT Sat Jul 18 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
SE wind 25 kt. Seas 6 ft.

SUN
SE wind 20 kt. Seas 4 ft.

SUN NIGHT
S wind 15 kt. Seas 3 ft.

MON
S wind 15 kt. Seas 2 ft.

MON NIGHT
SE wind 25 kt. Seas 4 ft.

TUE
S wind 25 kt. Seas 6 ft.

WED
S wind 20 kt. Seas 3 ft.

THU
SW wind 15 kt. Seas 3 ft.


PKZ763-191230
Kuskokwim Delta and Etolin Strait out to 15 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
E wind 20 kt. Seas 4 ft. Rain showers.

SUN
E wind 15 kt. Seas 3 ft.

SUN NIGHT
S wind 10 kt. Seas 2 ft.

MON
S wind 20 kt. Seas 2 ft.

MON NIGHT
SE wind 30 kt. Seas 6 ft.

TUE
S wind 30 kt. Seas 6 ft.

WED THROUGH THU
SW wind 25 kt. Seas 6 ft.


PKZ764-191230
Kuskokwim Delta from 15 to 80 NM
327 PM AKDT Sat Jul 18 2026

TONIGHT
NE wind 20 kt. Seas 6 ft.

SUN
S wind 15 kt. Seas 4 ft.

SUN NIGHT
SW wind 15 kt. Seas 4 ft.

MON
S wind 20 kt. Seas 3 ft.

MON NIGHT
SE wind 30 kt. Seas 8 ft.

TUE THROUGH WED
S wind 25 kt. Seas 8 ft.

THU
SW wind 20 kt. Seas 7 ft.


PKZ765-191230
North and West of Nunivak Island
327 PM AKDT Sat Jul 18 2026

TONIGHT
N wind 20 kt. Seas 6 ft.

SUN
N wind 15 kt. Seas 4 ft.

SUN NIGHT
Variable wind 10 kt. Seas 3 ft.

MON
S wind 20 kt. Seas 3 ft.

MON NIGHT
SE wind 25 kt. Seas 8 ft.

TUE THROUGH WED
S wind 20 kt. Seas 9 ft.

THU
SW wind 20 kt. Seas 8 ft.


PKZ767-191230
Saint Matthew Island Waters
327 PM AKDT Sat Jul 18 2026

TONIGHT
NW wind 15 kt. Seas 5 ft.

SUN
Variable wind 10 kt. Seas 4 ft.

SUN NIGHT
E of Saint Matthew Island, variable wind 10 kt. W of Saint Matthew Island, Variable wind 10 kt becoming SE 20 kt after midnight. Seas 3 ft.

MON
E wind 20 kt. Seas 5 ft.

MON NIGHT
NE wind 20 kt. Seas 6 ft.

TUE
NE wind 20 kt. Seas 7 ft.

WED
SE wind 15 kt. Seas 10 ft.

THU
SW wind 15 kt. Seas 10 ft.