618
FZAK52 PAFC 181224
CWFALU
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
424 AM AKDT TUE AUG 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.
PKZ199-190115-
424 AM AKDT TUE AUG 18 2026
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 1008 MB LOW 40 NM W OF NIKOLSKI PROPAGATES TO 50 NM NW OF COLD
BAY AT 1011 MB BEFORE MOVING INLAND ACROSS THE AKPEN WED
AFTERNOON.
PKZ750-190115-
SITKINAK TO CASTLE CAPE OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 15 KT. SEAS 5 FT.
TONIGHT
VARIABLE WIND 10 KT. SEAS 4 FT. RAIN SHOWERS.
WED
SE WIND 15 KT. SEAS 4 FT. RAIN SHOWERS.
WED NIGHT
VARIABLE WIND 10 KT. SEAS 3 FT.
THU
VARIABLE WIND 10 KT. SEAS 3 FT.
FRI
SW WIND 20 KT. SEAS 7 FT.
SAT
W WIND 20 KT. SEAS 7 FT.
PKZ751-190115-
SITKINAK TO CASTLE CAPE FROM 15 TO 100 NM-
424 AM AKDT TUE AUG 18 2026
..SMALL CRAFT ADVISORY TODAY
TODAY
VARIABLE WIND 10 KT. SEAS 8 FT.
TONIGHT
VARIABLE WIND 10 KT. SEAS 7 FT.
WED
SW WIND 15 KT. SEAS 6 FT.
WED NIGHT
SW WIND 15 KT. SEAS 6 FT.
THU
W WIND 15 KT. SEAS 5 FT.
FRI
SW WIND 20 KT. SEAS 9 FT.
SAT
W WIND 25 KT. SEAS 11 FT.
PKZ752-190115-
CASTLE CAPE TO CAPE TOLSTOI OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 15 KT. SEAS 3 FT.
TONIGHT
SE WIND 15 KT. SEAS 3 FT. RAIN SHOWERS.
WED
VARIABLE WIND 10 KT. SEAS 3 FT. RAIN SHOWERS.
WED NIGHT
VARIABLE WIND 10 KT. SEAS 3 FT.
THU
W WIND 15 KT. SEAS 2 FT.
FRI
SW WIND 20 KT. SEAS 6 FT.
SAT
W WIND 25 KT. SEAS 7 FT.
PKZ753-190115-
CASTLE CAPE TO CAPE TOLSTOI FROM 15 TO 100 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 15 KT. SEAS 7 FT.
TONIGHT
SE WIND 15 KT. SEAS 6 FT.
WED
S WIND 15 KT. SEAS 6 FT.
WED NIGHT
SW WIND 15 KT. SEAS 6 FT.
THU
W WIND 15 KT. SEAS 5 FT.
FRI
SW WIND 20 KT. SEAS 9 FT.
SAT
W WIND 25 KT. SEAS 9 FT.
PKZ754-190115-
CAPE TOLSTOI TO CAPE SARICHEF OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 20 KT. SEAS 6 FT. RAIN.
TONIGHT
SE WIND 15 KT. SEAS 6 FT. RAIN SHOWERS.
WED
VARIABLE WIND 10 KT. SEAS 5 FT.
WED NIGHT
NW WIND 15 KT. SEAS 4 FT.
THU
W WIND 15 KT. SEAS 3 FT.
FRI
W WIND 20 KT. SEAS 7 FT.
SAT
NW WIND 20 KT. SEAS 5 FT.
PKZ755-190115-
CAPE TOLSTOI TO UNALGA PASS FROM 15 TO 100 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 20 KT. SEAS 7 FT.
TONIGHT
S WIND 20 KT. SEAS 7 FT.
WED
W WIND 15 KT. SEAS 7 FT.
WED NIGHT
W WIND 15 KT. SEAS 5 FT.
THU
W WIND 15 KT. SEAS 4 FT.
FRI
W WIND 20 KT. SEAS 9 FT.
SAT
NW WIND 20 KT. SEAS 8 FT.
PKZ756-190115-
PORT HEIDEN TO NELSON LAGOON OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 15 KT. SEAS 3 FT.
TONIGHT
SE WIND 20 KT. SEAS 3 FT. RAIN SHOWERS.
WED
VARIABLE WIND 10 KT. SEAS 2 FT.
WED NIGHT
VARIABLE WIND 10 KT. SEAS 2 FT.
THU
W WIND 15 KT. SEAS 2 FT.
FRI
SW WIND 25 KT. SEAS 7 FT.
SAT
W WIND 30 KT. SEAS 16 FT.
PKZ757-190115-
PORT HEIDEN TO NELSON LAGOON FROM 15 TO 60 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 15 KT. SEAS 5 FT.
TONIGHT
SE WIND 20 KT. SEAS 4 FT. RAIN SHOWERS.
WED
VARIABLE WIND 10 KT. SEAS 2 FT.
WED NIGHT
VARIABLE WIND 10 KT. SEAS 2 FT.
THU
W WIND 15 KT. SEAS 3 FT.
FRI
SW WIND 25 KT. SEAS 8 FT.
SAT
W WIND 25 KT. SEAS 16 FT.
PKZ758-190115-
NELSON LAGOON TO CAPE SARICHEF OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
SE WIND 20 KT. SEAS 3 FT. RAIN.
TONIGHT
SE WIND 15 KT. SEAS 2 FT. RAIN SHOWERS.
WED
VARIABLE WIND 10 KT. SEAS 2 FT.
WED NIGHT
VARIABLE WIND 10 KT. SEAS 2 FT.
THU
W WIND 15 KT. SEAS 2 FT.
FRI
SW WIND 25 KT. SEAS 8 FT.
SAT
NW WIND 25 KT. SEAS 14 FT.
PKZ759-190115-
NELSON LAGOON TO UNALGA PASS 15 TO 70 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
SE WIND 20 KT. SEAS 4 FT.
TONIGHT
SE WIND 15 KT. SEAS 3 FT.
WED
VARIABLE WIND 10 KT. SEAS 3 FT.
WED NIGHT
VARIABLE WIND 10 KT. SEAS 3 FT.
THU
W WIND 20 KT. SEAS 4 FT.
FRI
W WIND 25 KT. SEAS 9 FT.
SAT
NW WIND 25 KT. SEAS 14 FT.
PKZ768-190115-
UNIMAK PASS-
424 AM AKDT TUE AUG 18 2026
TODAY
SE WIND 20 KT. SEAS 6 FT. RAIN.
TONIGHT
W WIND 15 KT. SEAS 6 FT.
WED
W WIND 15 KT. SEAS 5 FT.
WED NIGHT
NW WIND 15 KT. SEAS 4 FT.
THU
W WIND 20 KT. SEAS 3 FT.
FRI
W WIND 20 KT. SEAS 8 FT.
SAT
NW WIND 20 KT. SEAS 11 FT.
PKZ770-190115-
UNALGA PASS TO NIKOLSKI BERING SIDE OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 15 KT. SEAS 2 FT.
TONIGHT
W WIND 15 KT. SEAS 2 FT.
WED
W WIND 15 KT. SEAS 3 FT.
WED NIGHT
NW WIND 15 KT. SEAS 3 FT.
THU
SW WIND 20 KT. SEAS 3 FT.
FRI
W WIND 20 KT. SEAS 7 FT.
SAT
NW WIND 15 KT. SEAS 9 FT.
PKZ772-190115-
UNALGA PASS TO NIKOLSKI BERING SIDE FROM 15 TO 85 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
E WIND 15 KT BECOMING NW IN THE AFTERNOON. SEAS 3 FT.
TONIGHT
W WIND 15 KT. SEAS 4 FT.
WED
NW WIND 15 KT. SEAS 4 FT. PATCHY FOG.
WED NIGHT
NW WIND 15 KT. SEAS 4 FT.
THU THROUGH FRI
W WIND 25 KT. SEAS 7 FT.
SAT
NW WIND 15 KT. SEAS 9 FT.
PKZ771-190115-
UNALASKA BAY-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 15 KT IN THE MORNING BECOMING VARIABLE LESS THAN
10 KT. SEAS 2 FT. RAIN.
TONIGHT
W WIND 15 KT. SEAS 2 FT.
WED
W WIND 15 KT. SEAS 2 FT.
WED NIGHT
W WIND 15 KT. SEAS 3 FT.
THU
W WIND 10 KT. SEAS 2 FT.
FRI
W WIND 20 KT. SEAS 2 FT.
SAT
NW WIND 20 KT. SEAS 5 FT.
PKZ773-190115-
UNALGA PASS TO NIKOLSKI PACIFIC SIDE OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 20 KT. SEAS 6 FT.
TONIGHT
W WIND 15 KT. SEAS 6 FT.
WED
W WIND 15 KT. SEAS 5 FT.
WED NIGHT
NW WIND 15 KT. SEAS 4 FT.
THU THROUGH FRI
W WIND 20 KT. SEAS 6 FT.
SAT
NW WIND 15 KT. SEAS 5 FT.
PKZ774-190115-
UNALGA PASS TO NIKOLSKI PACIFIC SIDE FROM 15 TO 85 NM-
424 AM AKDT TUE AUG 18 2026
..SMALL CRAFT ADVISORY TODAY
TODAY
S WIND 25 KT. SEAS 8 FT.
TONIGHT
W WIND 20 KT. SEAS 7 FT.
WED
W WIND 15 KT. SEAS 6 FT.
WED NIGHT
NW WIND 20 KT. SEAS 5 FT.
THU
W WIND 20 KT. SEAS 4 FT.
FRI
W WIND 20 KT. SEAS 8 FT.
SAT
NW WIND 15 KT. SEAS 6 FT.
PKZ775-190115-
NIKOLSKI TO SEGUAM BERING SIDE OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
NW WIND 20 KT. SEAS 5 FT.
TONIGHT
W WIND 20 KT. SEAS 5 FT.
WED
NW WIND 20 KT. SEAS 5 FT. PATCHY FOG.
WED NIGHT
NW WIND 15 KT. SEAS 4 FT.
THU THROUGH FRI
W WIND 20 KT. SEAS 7 FT.
SAT
W WIND 15 KT. SEAS 8 FT.
PKZ776-190115-
NIKOLSKI TO SEGUAM BERING SIDE FROM 15 TO 85 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
NW WIND 20 KT. SEAS 5 FT.
TONIGHT
NW WIND 20 KT. SEAS 5 FT.
WED
NW WIND 20 KT. SEAS 5 FT. PATCHY FOG.
WED NIGHT
NW WIND 15 KT. SEAS 4 FT.
THU THROUGH FRI
W WIND 25 KT. SEAS 7 FT.
SAT
W WIND 15 KT. SEAS 8 FT.
PKZ777-190115-
NIKOLSKI TO SEGUAM PACFIC SIDE OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
W WIND 20 KT. SEAS 6 FT.
TONIGHT
NW WIND 20 KT. SEAS 5 FT.
WED
NW WIND 20 KT. SEAS 5 FT. PATCHY FOG.
WED NIGHT
NW WIND 15 KT. SEAS 5 FT.
THU THROUGH FRI
W WIND 20 KT. SEAS 7 FT.
SAT
NW WIND 15 KT. SEAS 6 FT.
PKZ778-190115-
NIKOLSKI TO SEGUAM PACIFIC SIDE FROM 15 TO 75 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
W WIND 20 KT. SEAS 7 FT.
TONIGHT
W WIND 20 KT. SEAS 6 FT.
WED
NW WIND 20 KT. SEAS 6 FT. PATCHY FOG.
WED NIGHT
NW WIND 15 KT. SEAS 5 FT.
THU THROUGH FRI
W WIND 20 KT. SEAS 7 FT.
SAT
NW WIND 15 KT. SEAS 6 FT.
PKZ780-190115-
SEGUAM TO ADAK BERING SIDE OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
NW WIND 20 KT. SEAS 4 FT.
TONIGHT
NW WIND 20 KT. SEAS 4 FT.
WED
NW WIND 15 KT. SEAS 4 FT. PATCHY FOG.
WED NIGHT
W WIND 15 KT. SEAS 3 FT.
THU
SW WIND 20 KT. SEAS 5 FT.
FRI
W WIND 20 KT. SEAS 7 FT.
SAT
VARIABLE WIND 10 KT. SEAS 6 FT.
PKZ781-190115-
SEGUAM TO ADAK BERING SIDE FROM 15 TO 85 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
NW WIND 20 KT. SEAS 5 FT.
TONIGHT
NW WIND 20 KT. SEAS 6 FT.
WED
NW WIND 15 KT. SEAS 4 FT. PATCHY FOG.
WED NIGHT
W WIND 15 KT. SEAS 3 FT.
THU
SW WIND 25 KT. SEAS 7 FT.
FRI
W WIND 25 KT. SEAS 8 FT.
SAT
W WIND 15 KT. SEAS 8 FT.
PKZ782-190115-
SEGUAM TO ADAK PACIFIC SIDE OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
NW WIND 20 KT. SEAS 5 FT.
TONIGHT
NW WIND 20 KT. SEAS 5 FT.
WED
NW WIND 15 KT. SEAS 4 FT. PATCHY FOG.
WED NIGHT
W WIND 15 KT. SEAS 4 FT.
THU THROUGH FRI
W WIND 25 KT. SEAS 7 FT.
SAT
VARIABLE WIND 10 KT. SEAS 4 FT.
PKZ783-190115-
SEGUAM TO ADAK PACIFIC SIDE FROM 15 TO 75 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
W WIND 20 KT. SEAS 7 FT.
TONIGHT
NW WIND 20 KT. SEAS 6 FT.
WED
NW WIND 15 KT. SEAS 5 FT. PATCHY FOG.
WED NIGHT
W WIND 15 KT. SEAS 4 FT.
THU THROUGH FRI
W WIND 25 KT. SEAS 7 FT.
SAT
W WIND 15 KT. SEAS 6 FT.
PKZ784-190115-
ADAK TO KISKA BERING SIDE-
424 AM AKDT TUE AUG 18 2026
TODAY
NW WIND 20 KT. SEAS 5 FT.
TONIGHT
NW WIND 15 KT. SEAS 4 FT.
WED
W WIND 15 KT. SEAS 3 FT. PATCHY FOG.
WED NIGHT
SW WIND 20 KT. SEAS 4 FT.
THU THROUGH FRI
W WIND 25 KT. SEAS 8 FT.
SAT
SW WIND 20 KT. SEAS 6 FT.
PKZ785-190115-
ADAK TO KISKA PACIFIC SIDE-
424 AM AKDT TUE AUG 18 2026
TODAY
NW WIND 20 KT. SEAS 6 FT.
TONIGHT
NW WIND 15 KT. SEAS 5 FT.
WED
VARIABLE WIND 10 KT. SEAS 4 FT. PATCHY FOG.
WED NIGHT
SW WIND 15 KT. SEAS 4 FT.
THU THROUGH FRI
W WIND 25 KT. SEAS 7 FT.
SAT
SW WIND 15 KT. SEAS 6 FT.
PKZ786-190115-
KISKA TO ATTU BERING SIDE-
424 AM AKDT TUE AUG 18 2026
TODAY
VARIABLE WIND 10 KT. SEAS 4 FT.
TONIGHT
VARIABLE WIND 10 KT. SEAS 3 FT.
WED
SW WIND 15 KT. SEAS 3 FT. PATCHY FOG.
WED NIGHT
S WIND 20 KT. SEAS 4 FT.
THU
SW WIND 30 KT. SEAS 10 FT.
FRI
W WIND 25 KT. SEAS 9 FT.
SAT
S WIND 20 KT. SEAS 6 FT.
PKZ787-190115-
KISKA TO ATTU PACIFIC SIDE-
424 AM AKDT TUE AUG 18 2026
TODAY
VARIABLE WIND 10 KT. SEAS 5 FT.
TONIGHT
VARIABLE WIND 10 KT. SEAS 4 FT.
WED
S WIND 15 KT. SEAS 4 FT. PATCHY FOG.
WED NIGHT
SW WIND 20 KT. SEAS 5 FT.
THU THROUGH FRI
W WIND 25 KT. SEAS 10 FT.
SAT
S WIND 20 KT. SEAS 5 FT.
PKZ766-190115-
PRIBILOF ISLANDS NEARSHORE WATERS-
424 AM AKDT TUE AUG 18 2026
TODAY
VARIABLE WIND 10 KT. SEAS 4 FT. AREAS OF FOG.
TONIGHT
NW WIND 15 KT. SEAS 4 FT.
WED
NW WIND 15 KT. SEAS 4 FT. PATCHY FOG.
WED NIGHT
NW WIND 15 KT. SEAS 4 FT.
THU
SW WIND 25 KT. SEAS 7 FT.
FRI
W WIND 25 KT. SEAS 10 FT.
SAT
W WIND 20 KT. SEAS 10 FT.
PKZ760-190115-
BRISTOL BAY GREATER THAN 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
SW WIND 20 KT BECOMING S 10 KT IN THE AFTERNOON. SEAS 5
FT.
TONIGHT
SE WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS
3 FT. RAIN SHOWERS.
WED
SE WIND 15 KT BECOMING E IN THE AFTERNOON. SEAS 2 FT.
WED NIGHT
E WIND 10 KT. SEAS 2 FT.
THU
W WIND 15 KT. SEAS 2 FT.
FRI
SW WIND 25 KT. SEAS 7 FT.
SAT
W WIND 25 KT. SEAS 13 FT.
PKZ761-190115-
BRISTOL BAY FROM PORT HEIDEN TO CAPE CHICHAGOF OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
S WIND 15 KT IN THE MORNING BECOMING VARIABLE LESS THAN
10 KT. SEAS 3 FT.
TONIGHT
SE WIND 15 KT. SEAS 2 FT.
WED
SE WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. SEAS
2 FT. RAIN.
WED NIGHT
S WIND 10 KT. SEAS 1 FOOT.
THU
W WIND 15 KT. SEAS 2 FT.
FRI
SW WIND 25 KT. SEAS 6 FT.
SAT
W WIND 25 KT. SEAS 12 FT.
PKZ762-190115-
BRISTOL BAY FROM CAPE CHICHAGOF TO CAPE PIERCE OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
SW WIND 20 KT BECOMING S 10 KT IN THE AFTERNOON. SEAS 3
FT.
TONIGHT
SE WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS
2 FT. RAIN SHOWERS.
WED
SE WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. SEAS
2 FT. RAIN SHOWERS.
WED NIGHT
E WIND 10 KT. SEAS 1 FOOT.
THU
W WIND 15 KT. SEAS 2 FT.
FRI
SW WIND 25 KT. SEAS 6 FT.
SAT
W WIND 25 KT. SEAS 7 FT.
PKZ763-190115-
KUSKOKWIM DELTA AND ETOLIN STRAIT OUT TO 15 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
SW WIND 20 KT. SEAS 4 FT.
TONIGHT
S WIND 15 KT BECOMING SE AFTER MIDNIGHT. SEAS 3 FT.
WED
SE WIND 10 KT IN THE MORNING BECOMING VARIABLE LESS THAN
10 KT. SEAS 2 FT.
WED NIGHT
NW WIND 10 KT. SEAS 2 FT.
THU
SW WIND 25 KT. SEAS 4 FT.
FRI
SW WIND 30 KT. SEAS 8 FT.
SAT
NW WIND 30 KT. SEAS 8 FT.
PKZ764-190115-
KUSKOKWIM DELTA FROM 15 TO 80 NM-
424 AM AKDT TUE AUG 18 2026
TODAY
SW WIND 20 KT. SEAS 6 FT.
TONIGHT
S WIND 15 KT. SEAS 4 FT.
WED
E WIND 10 KT. SEAS 3 FT.
WED NIGHT
NW WIND 10 KT. SEAS 2 FT.
THU
SW WIND 20 KT. SEAS 5 FT.
FRI
SW WIND 30 KT. SEAS 12 FT.
SAT
NW WIND 30 KT. SEAS 14 FT.
PKZ765-190115-
NORTH AND WEST OF NUNIVAK ISLAND-
424 AM AKDT TUE AUG 18 2026
TODAY
NW WIND 15 KT. SEAS 5 FT.
TONIGHT
N WIND 15 KT. SEAS 5 FT.
WED
N WIND 15 KT. SEAS 5 FT.
WED NIGHT
NW WIND 15 KT. SEAS 3 FT.
THU
SW WIND 20 KT. SEAS 6 FT.
FRI THROUGH SAT
NW WIND 30 KT. SEAS 14 FT.
PKZ767-190115-
SAINT MATTHEW ISLAND WATERS-
424 AM AKDT TUE AUG 18 2026
TODAY
N WIND 15 KT. SEAS 5 FT.
TONIGHT
N WIND 15 KT. SEAS 4 FT.
WED
NW WIND 15 KT. SEAS 4 FT. PATCHY FOG.
WED NIGHT
SW WIND 15 KT. SEAS 4 FT.
THU
SW WIND 20 KT. SEAS 6 FT.
FRI THROUGH SAT
W WIND 25 KT. SEAS 13 FT.
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