National Weather Service Marine Forecast FZAK52 PAFC

FZAK52 PAFC 152315
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
315 PM AKDT Wed Apr 15 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.

PKZ199-161145
315 PM AKDT Wed Apr 15 2026 .SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1000 mb low about 340nm w of Saint Paul Island moves to about 100 nm sw of Toksook Bay by Thu afternoon before moving inland. A 970mb North Pacific low moves in from the west to around 290 nm west of Adak Fri night.

PKZ750-161145
Sitkinak to Castle Cape out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
S wind 15 kt. Seas 4 ft.

THU
SW wind 15 kt. Seas 4 ft.

THU NIGHT
SW wind 15 kt. Seas 4 ft.

FRI
W wind 15 kt. Seas 3 ft.

FRI NIGHT
W wind 20 kt. Seas 3 ft.

SAT
SW wind 20 kt. Seas 10 ft.

SUN THROUGH MON
W wind 25 kt. Seas 13 ft.

PKZ751-161145
Sitkinak to Castle Cape from 15 to 100 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 20 kt. Seas 7 ft.

THU
SW wind 20 kt. Seas 6 ft.

THU NIGHT
W wind 15 kt. Seas 6 ft.

FRI AND FRI NIGHT
W wind 20 kt. Seas 6 ft.

SAT
SW wind 25 kt. Seas 13 ft.

SUN THROUGH MON
W wind 25 kt. Seas 17 ft.

PKZ752-161145
Castle Cape to Cape Tolstoi out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 20 kt. Seas 4 ft.

THU
W wind 20 kt. Seas 4 ft.

THU NIGHT
SW wind 20 kt. Seas 3 ft.

FRI AND FRI NIGHT
SW wind 15 kt. Seas 3 ft.

SAT
SW wind 25 kt. Seas 8 ft.

SUN THROUGH MON
W wind 30 kt. Seas 11 ft.

PKZ753-161145
Castle Cape to Cape Tolstoi from 15 to 100 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 20 kt. Seas 6 ft.

THU
W wind 20 kt. Seas 6 ft.

THU NIGHT
SW wind 15 kt. Seas 6 ft.

FRI
W wind 20 kt. Seas 7 ft.

FRI NIGHT
SW wind 25 kt. Seas 7 ft.

SAT
SW wind 30 kt. Seas 15 ft.

SUN THROUGH MON
W wind 25 kt. Seas 19 ft.

PKZ754-161145
Cape Tolstoi to Cape Sarichef out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 15 kt. Seas 4 ft.

THU
SW wind 20 kt. Seas 4 ft.

THU NIGHT
SW wind 20 kt. Seas 5 ft.

FRI
W wind 15 kt. Seas 5 ft.

FRI NIGHT
SW wind 30 kt. Seas 6 ft.

SAT
SW wind 30 kt. Seas 12 ft.

SUN
SW wind 35 kt. Seas 16 ft.

MON
W wind 30 kt. Seas 13 ft.

PKZ755-161145
Cape Tolstoi to Cape Sarichef from 15 to 100 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 20 kt. Seas 6 ft.

THU
SW wind 20 kt. Seas 6 ft.

THU NIGHT
SW wind 20 kt. Seas 7 ft.

FRI
W wind 20 kt. Seas 7 ft.

FRI NIGHT
SW wind 40 kt. Seas 9 ft.

SAT
SW wind 40 kt. Seas 17 ft.

SUN THROUGH MON
W wind 30 kt. Seas 19 ft.

PKZ756-161145
Port Heiden to Nelson Lagoon out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 15 kt.

THU
SW wind 20 kt.

THU NIGHT
SW wind 15 kt.

FRI
W wind 15 kt.

FRI NIGHT
S wind 20 kt.

SAT THROUGH SUN
SW wind 20 kt.

MON
W wind 20 kt.

PKZ757-161145
Port Heiden to Nelson Lagoon from 15 to 60 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 15 kt.

THU
SW wind 20 kt.

THU NIGHT
SW wind 15 kt.

FRI
W wind 15 kt.

FRI NIGHT
S wind 20 kt.

SAT THROUGH SUN
SW wind 20 kt.

MON
W wind 20 kt.

PKZ758-161145
Nelson Lagoon to Cape Sarichef out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 20 kt. Seas in ice free waters 4 ft.

THU
SW wind 20 kt. Seas in ice free waters 5 ft.

THU NIGHT
SW wind 20 kt. Seas in ice free waters 6 ft.

FRI
W wind 15 kt. Seas in ice free waters 6 ft.

FRI NIGHT
S wind 30 kt. Seas in ice free waters 4 ft.

SAT
S wind 30 kt. Seas in ice free waters 10 ft.

SUN
SW wind 25 kt. Seas in ice free waters 11 ft.

MON
W wind 25 kt. Seas in ice free waters 11 ft.

PKZ759-161145
Nelson Lagoon to Cape Sarichef from 15 to 70 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 20 kt. Seas 5 ft.

THU
SW wind 20 kt. Seas 7 ft.

THU NIGHT
SW wind 20 kt. Seas 7 ft.

FRI
W wind 15 kt. Seas 6 ft.

FRI NIGHT
S wind 35 kt. Seas 6 ft.

SAT THROUGH SUN
SW wind 30 kt. Seas 16 ft.

MON
W wind 30 kt. Seas 11 ft.

PKZ770-161145
Cape Sarichef to Nikolski Bering Side out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 20 kt. Seas 5 ft.

THU
SW wind 20 kt. Seas 6 ft.

THU NIGHT
W wind 20 kt. Seas 6 ft.

FRI
SW wind 25 kt. Seas 6 ft.

FRI NIGHT
S wind 40 kt. Seas 7 ft.

SAT THROUGH SUN
SW wind 35 kt. Seas 13 ft.

MON
W wind 30 kt. Seas 12 ft.

PKZ772-161145
Cape Sarichef to Nikolski Bering Side from 15 to 85 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY

TONIGHT
SW wind 25 kt. Seas 7 ft.

THU
SW wind 25 kt. Seas 8 ft.

THU NIGHT
W wind 20 kt. Seas 7 ft.

FRI
SW wind 25 kt. Seas 6 ft.

FRI NIGHT
S wind 40 kt. Seas 12 ft.

SAT
SW wind 35 kt. Seas 19 ft.

SUN
W wind 35 kt. Seas 15 ft.

MON
W wind 30 kt. Seas 13 ft.

PKZ771-161145
Unalaska Bay
315 PM AKDT Wed Apr 15 2026

TONIGHT
W wind 20 kt. Seas 3 ft.

THU
W wind 20 kt. Seas 2 ft.

THU NIGHT
W wind 20 kt. Seas 3 ft.

FRI
SW wind 10 kt. Seas 2 ft.

FRI NIGHT
S wind 25 kt. Seas 4 ft.

SAT THROUGH MON
W wind 20 kt. Seas 3 ft.

PKZ773-161145
Cape Sarichef to Nikolski Pacific Side out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
SW wind 20 kt. Seas 6 ft.

THU
SW wind 20 kt. Seas 6 ft.

THU NIGHT
W wind 20 kt. Seas 6 ft.

FRI
SW wind 20 kt. Seas 6 ft.

FRI NIGHT
S wind 40 kt. Seas 15 ft.

SAT THROUGH SUN
SW wind 35 kt. Seas 17 ft.

MON
W wind 30 kt. Seas 13 ft.

PKZ774-161145
Cape Sarichef to Nikolski Pacific Side from 15 to 85 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THURSDAY AND THURSDAY NIGHT

TONIGHT
W wind 20 kt. Seas 7 ft.

THU
SW wind 20 kt. Seas 8 ft.

THU NIGHT
W wind 20 kt. Seas 9 ft.

FRI
SW wind 25 kt. Seas 8 ft.

FRI NIGHT
S wind 45 kt. Seas 17 ft.

SAT
SW wind 40 kt. Seas 20 ft.

SUN THROUGH MON
W wind 30 kt. Seas 19 ft.

PKZ775-161145
Nikolski to Seguam Bering Side out to 15 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
SW wind 25 kt. Seas 7 ft.

THU
W wind 20 kt. Seas 7 ft.

THU NIGHT
W wind 20 kt. Seas 6 ft.

FRI
S wind 40 kt. Seas 7 ft.

FRI NIGHT
S wind 45 kt. Seas 18 ft.

SAT
SW wind 40 kt. Seas 17 ft.

SUN
W wind 35 kt. Seas 14 ft.

MON
W wind 25 kt. Seas 13 ft.

PKZ776-161145
Nikolski to Seguam Bering Side from 15 to 85 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY

TONIGHT
SW wind 25 kt. Seas 8 ft.

THU
SW wind 25 kt. Seas 8 ft.

THU NIGHT
W wind 20 kt. Seas 7 ft.

FRI
S wind 40 kt. Seas 8 ft.

FRI NIGHT
S wind 40 kt. Seas 17 ft.

SAT
SW wind 40 kt. Seas 19 ft.

SUN
W wind 35 kt. Seas 14 ft.

MON
W wind 25 kt. Seas 13 ft.

PKZ777-161145
Nikolski to Seguam Pacfic Side out to 15 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT

TONIGHT
SW wind 25 kt. Seas 7 ft.

THU
SW wind 20 kt. Seas 8 ft.

THU NIGHT
W wind 20 kt. Seas 8 ft.

FRI
S wind 40 kt. Seas 8 ft.

FRI NIGHT
S wind 45 kt. Seas 22 ft.

SAT
SW wind 35 kt. Seas 22 ft.

SUN
W wind 35 kt. Seas 15 ft.

MON
W wind 25 kt. Seas 13 ft.

PKZ778-161145
Nikolski to Seguam Pacific Side from 15 to 75 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT

TONIGHT
SW wind 20 kt. Seas 8 ft.

THU
W wind 25 kt. Seas 10 ft.

THU NIGHT
W wind 25 kt. Seas 10 ft.

FRI
S wind 45 kt. Seas 10 ft.

FRI NIGHT
S wind 45 kt. Seas 23 ft.

SAT THROUGH SUN
W wind 35 kt. Seas 21 ft.

MON
W wind 25 kt. Seas 14 ft.

PKZ780-161145
Seguam to Adak Bering Side out to 15 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY TONIGHT

TONIGHT
SW wind 25 kt. Seas 6 ft. Snow showers.

THU
W wind 20 kt. Seas 6 ft.

THU NIGHT
W wind 20 kt. Seas 6 ft.

FRI
S wind 40 kt. Seas 8 ft.

FRI NIGHT
SW wind 50 kt. Seas 13 ft.

SAT
SW wind 45 kt. Seas 13 ft.

SUN
W wind 40 kt. Seas 12 ft.

MON
W wind 20 kt. Seas 10 ft.

PKZ781-161145
Seguam to Adak Bering Side from 15 to 85 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY

TONIGHT
SW wind 25 kt. Seas 9 ft. Snow showers.

THU
W wind 25 kt. Seas 8 ft.

THU NIGHT
W wind 20 kt. Seas 7 ft.

FRI
SE wind 40 kt. Seas 11 ft.

FRI NIGHT
S wind 55 kt. Seas 21 ft.

SAT
SW wind 50 kt. Seas 24 ft.

SUN
NW wind 35 kt. Seas 13 ft.

MON
NW wind 25 kt. Seas 11 ft.

PKZ782-161145
Seguam to Adak Pacific Side out to 15 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT

TONIGHT
SW wind 25 kt. Seas 9 ft.

THU
W wind 25 kt. Seas 9 ft.

THU NIGHT
W wind 20 kt. Seas 8 ft.

FRI
S wind 45 kt. Seas 13 ft.

FRI NIGHT
SW wind 45 kt. Seas 26 ft.

SAT
SW wind 40 kt. Seas 23 ft.

SUN
W wind 35 kt. Seas 11 ft.

MON
W wind 25 kt. Seas 10 ft.

PKZ783-161145
Seguam to Adak Pacific Side from 15 to 75 NM
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT

TONIGHT
SW wind 25 kt. Seas 11 ft.

THU
W wind 25 kt. Seas 11 ft.

THU NIGHT
W wind 25 kt. Seas 9 ft. Rain.

FRI
S wind 50 kt. Seas 20 ft.

FRI NIGHT
SW wind 45 kt. Seas 27 ft.

SAT
SW wind 35 kt. Seas 23 ft.

SUN
W wind 35 kt. Seas 14 ft.

MON
SW wind 25 kt. Seas 12 ft.

PKZ784-161145
Adak to Kiska Bering Side
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY

TONIGHT
W wind 25 kt. Seas 9 ft.

THU
W wind 25 kt. Seas 8 ft.

THU NIGHT
SW wind 20 kt. Seas 7 ft. Rain.

FRI
SE wind 40 kt. Seas 13 ft.

FRI NIGHT
SW wind 55 kt. Seas 24 ft.

SAT
W wind 45 kt. Seas 19 ft.

SUN
NW wind 35 kt. Seas 15 ft.

MON
NE wind 20 kt. Seas 10 ft.

PKZ785-161145
Adak to Kiska Pacific Side
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT

TONIGHT
W wind 25 kt. Seas 13 ft.

THU
W wind 25 kt. Seas 11 ft.

THU NIGHT
S wind 25 kt. Seas 9 ft. Rain.

FRI
S wind 45 kt. Seas 22 ft.

FRI NIGHT
SW wind 50 kt. Seas 27 ft.

SAT
W wind 40 kt. Seas 21 ft.

SUN
NW wind 35 kt. Seas 12 ft.

MON
SE wind 25 kt. Seas 11 ft.

PKZ786-161145
Kiska to Attu Bering Side
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT

TONIGHT
W wind 25 kt. Seas 10 ft.

THU
W wind 20 kt. Seas 10 ft.

THU NIGHT
SW wind 20 kt. Seas 9 ft.

FRI
NE wind 40 kt. Seas 12 ft.

FRI NIGHT
N wind 45 kt. Seas 19 ft.

SAT
NW wind 40 kt. Seas 20 ft.

SUN
N wind 30 kt. Seas 15 ft.

MON
NE wind 20 kt. Seas 10 ft.

PKZ787-161145
Kiska to Attu Pacific Side
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT

TONIGHT
W wind 25 kt. Seas 12 ft.

THU
W wind 25 kt. Seas 11 ft.

THU NIGHT
SW wind 15 kt becoming SE 30 kt after midnight. Seas 8 ft. Rain and snow.

FRI
NE wind 40 kt. Seas 14 ft.

FRI NIGHT
NW wind 50 kt. Seas 20 ft.

SAT
NW wind 35 kt. Seas 18 ft.

SUN
N wind 30 kt. Seas 12 ft.

MON
E wind 25 kt. Seas 10 ft.

PKZ766-161145
Pribilof Islands Nearshore Waters
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THURSDAY

TONIGHT
SW wind 20 kt. Seas 7 ft.

THU
SW wind 25 kt. Seas 8 ft.

THU NIGHT
W wind 20 kt. Seas 7 ft.

FRI
S wind 15 kt. Seas 5 ft.

FRI NIGHT
SE wind 35 kt. Seas 8 ft.

SAT
S wind 30 kt. Seas 21 ft.

SUN
NW wind 30 kt. Seas 16 ft.

MON
NW wind 30 kt. Seas 10 ft.

PKZ760-161145
Bristol Bay greater than 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
Variable wind less than 10 kt becoming S 10 kt after midnight.

THU
SW wind 20 kt.

THU NIGHT
SW wind 15 kt.

FRI AND FRI NIGHT
SW wind 15 kt.

SAT THROUGH SUN
SW wind 20 kt.

MON
W wind 20 kt.

PKZ761-161145
Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
Variable wind less than 10 kt becoming S 10 kt after midnight.

THU
W wind 15 kt.

THU NIGHT
SW wind 10 kt becoming S after midnight.

FRI AND FRI NIGHT
SW wind 15 kt.

SAT
S wind 15 kt.

SUN
S wind 20 kt.

MON
SW wind 25 kt.

PKZ762-161145
Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
Variable wind less than 10 kt becoming SE 10 kt after midnight. Seas in ice free waters 2 ft. Snow showers.

THU
SW wind 15 kt. Seas in ice free waters 1 foot.

THU NIGHT
SW wind 15 kt becoming S after midnight. Seas in ice free waters 1 foot.

FRI AND FRI NIGHT
SW wind 15 kt. Seas in ice free waters 2 ft.

SAT THROUGH SUN
S wind 20 kt. Seas in ice free waters 2 ft.

MON
W wind 25 kt. Seas in ice free waters 2 ft.

PKZ763-161145
Kuskokwim Delta and Etolin Strait out to 15 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
S wind 10 kt. Seas in ice free waters 1 foot. Snow.

THU
S wind 20 kt. Seas in ice free waters 1 foot.

THU NIGHT
SW wind 15 kt. Seas in ice free waters 1 foot.

FRI
W wind 15 kt. Seas in ice free waters 2 ft.

FRI NIGHT
SW wind 10 kt. Seas in ice free waters 2 ft.

SAT
SE wind 25 kt. Seas in ice free waters 2 ft.

SUN
SW wind 25 kt. Seas in ice free waters 2 ft.

MON
NW wind 30 kt. Seas in ice free waters 2 ft.

PKZ764-161145
Kuskokwim Delta from 15 to 80 NM
315 PM AKDT Wed Apr 15 2026

TONIGHT
S wind 10 kt increasing to 20 kt after midnight.

THU
SW wind 20 kt.

THU NIGHT
SW wind 15 kt.

FRI
W wind 15 kt.

FRI NIGHT
S wind 25 kt.

SAT
SE wind 25 kt.

SUN
SW wind 25 kt.

MON
NW wind 25 kt.

PKZ765-161145
North and West of Nunivak Island
315 PM AKDT Wed Apr 15 2026

TONIGHT
E wind 15 kt. Snow showers.

THU
E wind 15 kt.

THU NIGHT
N wind 15 kt.

FRI
Variable wind 10 kt.

FRI NIGHT
NE wind 20 kt.

SAT
NE wind 30 kt.

SUN THROUGH MON
N wind 25 kt.

PKZ767-161145
Saint Matthew Island Waters
315 PM AKDT Wed Apr 15 2026

SMALL CRAFT ADVISORY THROUGH THURSDAY

TONIGHT
E wind 25 kt. Seas in ice free waters 7 ft. Snow. Freezing spray.

THU
NE wind 25 kt. Seas in ice free waters 7 ft. Freezing spray.

THU NIGHT
N wind 15 kt. Seas in ice free waters 6 ft. Freezing spray.

FRI
NE wind 25 kt. Seas in ice free waters 5 ft.

FRI NIGHT
NE wind 40 kt. Seas in ice free waters 9 ft.

SAT
NE wind 45 kt. Seas in ice free waters 18 ft.

SUN
N wind 40 kt. Seas in ice free waters 16 ft.

MON
N wind 25 kt. Seas in ice free waters 9 ft.

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