Storm Warning 83, NWS Anchorage, AK

782 
FZAK52 PAFC 050346
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
746 PM AKDT Fri Sep 4 2020

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.

PKZ199-051630-
746 PM AKDT Fri Sep 4 2020
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 997 mb low 150 nm north of Kiska remains nearly stationary 
through Fri night before dissipating. A second North Pacific low 
moves to 150 nm south of Sand Point at 995 mb by Sat afternoon, 
then gets absorbed into a third low. The third low moves over 
Dutch Harbor at 985 mb Sun morning and then moves to 110 nm 
south of Saint Paul Sun afternoon.

$$

PKZ150-051630-
South of the AK Peninsula Sitkinak to Castle Cape-
746 PM AKDT Fri Sep 4 2020

...GALE WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...Variable wind 10 kt becoming E wind and increasing 
to 20 kt after midnight. Seas 3 ft.
.SAT...E wind 35 kt increasing to 45 kt in the afternoon. Seas 8
ft building to 21 ft in the afternoon. Rain.
.SAT NIGHT...E wind 40 kt diminishing to 30 kt after midnight. 
Seas 20 ft subsiding to 15 ft after midnight.
.SUN...SE wind 35 kt. Seas 12 ft.
.SUN NIGHT...S wind 30 kt. Seas 14 ft.
.MON...SW wind 30 kt. Seas 14 ft.
.TUE...W wind 15 kt. Seas 9 ft.
.WED...N wind 15 kt. Seas 5 ft.

$$

PKZ155-051630-
South of the AK Peninsula Castle Cape to Cape Sarichef-
746 PM AKDT Fri Sep 4 2020

...STORM WARNING SATURDAY...

.TONIGHT...E wind 20 kt increasing to 30 kt after midnight. Seas
7 ft.
.SAT...E wind 50 kt. Seas 18 ft building to 26 ft in the
afternoon. Rain.
.SAT NIGHT...E wind 40 kt becoming SE 30 kt after midnight. Seas
23 ft subsiding to 15 ft after midnight.
.SUN...SE wind 35 kt. Seas 14 ft.
.SUN NIGHT...S wind 35 kt. Seas 18 ft.
.MON...SW wind 30 kt. Seas 17 ft.
.TUE...W wind 15 kt. Seas 9 ft.
.WED...N wind 15 kt. Seas 6 ft.

$$

PKZ160-051630-
Bristol Bay-
746 PM AKDT Fri Sep 4 2020

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...Variable wind 10 kt becoming NE wind 20 kt 
after midnight. Seas 4 ft. Areas of fog.
.SAT...E wind 30 kt. Seas 6 ft. Areas of fog.
.SAT NIGHT...E wind 40 kt. Seas 11 ft.
.SUN...E wind 45 kt. Seas 10 ft.
.SUN NIGHT...SE wind 35 kt. Seas 7 ft.
.MON...S wind 35 kt. Seas 10 ft.
.TUE...SW wind 25 kt. Seas 6 ft.
.WED...NW wind 15 kt. Seas 3 ft.

$$

PKZ165-051630-
Port Heiden to Cape Sarichef-
746 PM AKDT Fri Sep 4 2020

...STORM WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT... E wind 10 kt increasing to 20 kt after midnight. Seas 4 
ft.
.SAT...NE wind 25 kt increasing to 50 kt in the afternoon. Seas 7
ft building to 11 ft in the afternoon.
.SAT NIGHT...NE wind 50 kt becoming E 35 kt after midnight. Seas
19 ft.
.SUN AND SUN NIGHT...S wind 40 kt. Seas 11 ft.
.MON...SW wind 40 kt. Seas 11 ft.
.TUE...SW wind 20 kt. Seas 7 ft.
.WED...NW wind 15 kt. Seas 5 ft.

$$

PKZ170-051630-
Cape Sarichef to Nikolski Bering Side-
746 PM AKDT Fri Sep 4 2020

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 5 ft.
.SAT...NE wind 25 kt. Seas 9 ft.
.SAT NIGHT...NE wind 35 kt. Seas 16 ft.
.SUN...E wind 30 kt. Seas 13 ft.
.SUN NIGHT...SW wind 35 kt. Seas 10 ft.
.MON...SW wind 35 kt. Seas 10 ft.
.TUE...SW wind 15 kt. Seas 7 ft.
.WED...SE wind 20 kt. Seas 5 ft.

$$

PKZ171-051630-
Unalaska Bay-
746 PM AKDT Fri Sep 4 2020

...SMALL CRAFT ADVISORY SATURDAY AND SATURDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 3 ft.
.SAT...NE wind 15 kt increasing to 25 kt in the afternoon. Seas 4
ft building to 7 ft in the afternoon. Rain.
.SAT NIGHT...NE wind 30 kt diminishing to 20 kt after midnight.
Seas 7 ft. Rain.
.SUN...SE wind 20 kt. Seas 3 ft.
.SUN NIGHT...SW wind 20 kt. Seas 2 ft.
.MON...SW wind 15 kt. Seas 2 ft.
.TUE...SW wind 10 kt. Seas 2 ft.
.WED...E wind 10 kt. Seas 3 ft.

$$

PKZ172-051630-
Cape Sarichef to Nikolski Pacific Side-
746 PM AKDT Fri Sep 4 2020

...GALE WARNING SATURDAY...

.TONIGHT...E wind 15 kt increasing to E wind 25 kt after midnight. 
Seas 8 ft.
.SAT...NE wind 30 kt increasing to 40 kt in the afternoon. Seas
11 ft building to 19 ft in the afternoon. Rain showers.
.SAT NIGHT...NE wind 30 kt. Seas 18 ft subsiding to 13 ft after
midnight.
.SUN...S wind 30 kt. Seas 14 ft.
.SUN NIGHT...SW wind 35 kt. Seas 18 ft.
.MON...SW wind 30 kt. Seas 17 ft.
.TUE...W wind 15 kt. Seas 7 ft.
.WED...NE wind 20 kt. Seas 6 ft.

$$

PKZ173-051630-
Nikolski to Seguam Island Bering Side-
746 PM AKDT Fri Sep 4 2020

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 6 ft.
.SAT...E wind 20 kt. Seas 7 ft.
.SAT NIGHT...NE wind 30 kt. Seas 10 ft.
.SUN...N wind 30 kt. Seas 15 ft.
.SUN NIGHT...W wind 30 kt. Seas 15 ft.
.MON...W wind 25 kt. Seas 13 ft.
.TUE...SW wind 15 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 7 ft.

$$

PKZ174-051630-
Nikolski to Seguam Island Pacific Side-
746 PM AKDT Fri Sep 4 2020

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E wind 25 kt. Seas 8 ft.
.SAT...E wind 25 kt. Seas 10 ft. Rain showers.
.SAT NIGHT...NE wind 25 kt. Seas 14 ft. Rain showers.
.SUN...NW wind 30 kt. Seas 12 ft.
.SUN NIGHT...W wind 30 kt. Seas 13 ft.
.MON...W wind 20 kt. Seas 12 ft.
.TUE...Variable wind 10 kt. Seas 8 ft.
.WED...E wind 20 kt. Seas 8 ft.

$$

PKZ175-051630-
Seguam Island to Adak Bering Side-
746 PM AKDT Fri Sep 4 2020

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY NIGHT...

.TONIGHT...E wind 25 kt. Seas 7 ft.
.SAT...E wind 20 kt. Seas 7 ft.
.SAT NIGHT...NE wind 20 kt increasing to 30 kt after midnight.
Seas 9 ft.
.SUN AND SUN NIGHT...NW wind 30 kt. Seas 16 ft.
.MON...NW wind 25 kt. Seas 14 ft.
.TUE...S wind 20 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 7 ft.

$$

PKZ176-051630-
Seguam Island to Adak Pacific Side-
746 PM AKDT Fri Sep 4 2020

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 8 ft.
.SAT...E wind 25 kt. Seas 9 ft. Rain showers.
.SAT NIGHT...NE wind 25 kt. Seas 12 ft.
.SUN AND SUN NIGHT...NW wind 25 kt. Seas 11 ft.
.MON...NW wind 20 kt. Seas 8 ft.
.TUE...S wind 15 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 9 ft.

$$

PKZ177-051630-
Adak to Kiska-
746 PM AKDT Fri Sep 4 2020

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TONIGHT...SE wind 25 kt. Seas 9 ft. Rain.
.SAT...E wind 20 kt. Seas 8 ft.
.SAT NIGHT...NE wind 20 kt. Seas 7 ft.
.SUN AND SUN NIGHT...NW wind 25 kt. Seas 11 ft.
.MON...W wind 20 kt. Seas 11 ft.
.TUE...SE wind 25 kt. Seas 9 ft.
.WED...SE wind 30 kt. Seas 10 ft.

$$

PKZ178-051630-
Kiska to Attu-
746 PM AKDT Fri Sep 4 2020

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TONIGHT...N wind 30 kt becoming E wind 20 kt after midnight. Seas 
13 ft.
.SAT...E wind 20 kt. Seas 10 ft.
.SAT NIGHT...NE wind 15 kt. Seas 7 ft.
.SUN...N wind 20 kt. Seas 6 ft.
.SUN NIGHT...NW wind 15 kt. Seas 7 ft.
.MON THROUGH TUE...SE wind 25 kt. Seas 9 ft.
.WED...SE wind 30 kt. Seas 9 ft.

$$

PKZ179-051630-
Pribilof Islands Near Shore Waters-
746 PM AKDT Fri Sep 4 2020

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 6 ft.
.SAT...NE wind 25 kt. Seas 8 ft.
.SAT NIGHT...NE wind 35 kt. Seas 14 ft.
.SUN...NE wind 35 kt. Seas 15 ft.
.SUN NIGHT...N wind 20 kt. Seas 11 ft.
.MON...W wind 25 kt. Seas 9 ft.
.TUE...SW wind 20 kt. Seas 7 ft.
.WED...SE wind 15 kt. Seas 8 ft.

$$

PKZ180-051630-
Kuskokwim Delta and Etolin Strait-
746 PM AKDT Fri Sep 4 2020

...GALE WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...E wind 20 kt. Seas 4 ft.
.SAT...E wind 25 kt becoming NE 35 kt in the afternoon S of 
Cape Newenham, NE wind 20 kt N of Cape Newenham. Seas 8 ft.
.SAT NIGHT...NE wind 40 kt S of Cape Newenham, NE wind 30 kt 
N of Cape Newenham. Seas 14 ft.
.SUN...E wind 45 kt. Seas 14 ft.
.SUN NIGHT...SE wind 35 kt. Seas 10 ft.
.MON...S wind 40 kt. Seas 13 ft.
.TUE...SW wind 25 kt. Seas 6 ft.
.WED...W wind 20 kt. Seas 5 ft.

$$

PKZ181-051630-
North and West of Nunivak Island-
746 PM AKDT Fri Sep 4 2020

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 5 ft.
.SAT...E wind 20 kt. Seas 5 ft.
.SAT NIGHT...NE wind 30 kt. Seas 7 ft.
.SUN AND SUN NIGHT...E wind 35 kt. Seas 11 ft.
.MON THROUGH WED...SW wind 20 kt. Seas 7 ft.

$$

PKZ185-051630-
Saint Matthew Island Waters-
746 PM AKDT Fri Sep 4 2020

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...SE wind 15 kt. Seas 8 ft.
.SAT...E wind 20 kt. Seas 8 ft.
.SAT NIGHT...NE wind 25 kt E of Saint Matthew Island...E 20 kt 
W of Saint Matthew Island. Seas 7 ft.
.SUN AND SUN NIGHT...NE wind 35 kt. Seas 13 ft.
.MON...N wind 30 kt. Seas 13 ft.
.TUE...W wind 20 kt. Seas 6 ft.
.WED...SE wind 20 kt. Seas 11 ft.

$$

155 
FZAK52 PAFC 051149
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
349 AM AKDT Sat Sep 5 2020

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.

PKZ199-060115-
349 AM AKDT Sat Sep 5 2020
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 985 low in the North Pacific will move to 150 nm south of Sand 
Point at 995 mb by Sat afternoon. This low will push north of the
Chain and weaken Sat night. A new low of 986 mb will be 85 nm
south of Dutch Harbor Sun morning. This low deepens to 981 mb as
it moves towards the Pribilof Islands Sun afternoon.

$$

PKZ150-060115-
South of the AK Peninsula Sitkinak to Castle Cape-
349 AM AKDT Sat Sep 5 2020

...GALE WARNING THROUGH SUNDAY...

.TODAY...E wind 35 kt increasing to 45 kt in the afternoon. Seas
9 ft building to 17 ft in the afternoon. Rain showers.
.TONIGHT...E wind 40 kt. Seas 16 ft. Rain showers.
.SUN...SE wind 35 kt. Seas 14 ft. Rain.
.SUN NIGHT...S wind 30 kt. Seas 14 ft.
.MON...SW wind 30 kt. Seas 14 ft.
.TUE...W wind 15 kt. Seas 9 ft.
.WED...N wind 15 kt. Seas 5 ft.

$$

PKZ155-060115-
South of the AK Peninsula Castle Cape to Cape Sarichef-
349 AM AKDT Sat Sep 5 2020

...STORM WARNING TODAY...

.TODAY...E wind 50 kt. Seas 21 ft. Rain showers.
.TONIGHT...E wind 30 kt. From the Shumagin Islands E, SE wind 40
kt diminishing to 25 kt after midnight. Seas 17 ft.
.SUN...S wind 35 kt. Seas 15 ft.
.SUN NIGHT...S wind 35 kt. Seas 17 ft.
.MON...SW wind 30 kt. Seas 16 ft.
.TUE...W wind 15 kt. Seas 9 ft.
.WED...N wind 15 kt. Seas 6 ft.

$$

PKZ160-060115-
Bristol Bay-
349 AM AKDT Sat Sep 5 2020

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...E wind 30 kt. Seas 7 ft. Areas of fog.
.TONIGHT...E wind 40 kt. Seas 13 ft. Rain.
.SUN...SE wind 45 kt. Seas 13 ft. Rain.
.SUN NIGHT...SE wind 35 kt. Seas 9 ft.
.MON...S wind 35 kt. Seas 12 ft.
.TUE...SW wind 25 kt. Seas 6 ft.
.WED...NW wind 15 kt. Seas 3 ft.

$$

PKZ165-060115-
Port Heiden to Cape Sarichef-
349 AM AKDT Sat Sep 5 2020

...STORM WARNING TONIGHT...

.TODAY...E wind 25 kt becoming NE 45 kt in the afternoon. Seas 8
ft building to 15 ft in the afternoon. Rain showers.
.TONIGHT...NE wind 50 kt becoming E 35 kt after midnight. Seas
18 ft. Rain.
.SUN...E wind 40 kt becoming SE 30 kt in the afternoon. Seas 11
ft. Rain.
.SUN NIGHT...S wind 40 kt. Seas 13 ft.
.MON...SW wind 40 kt. Seas 14 ft.
.TUE...SW wind 20 kt. Seas 7 ft.
.WED...NW wind 15 kt. Seas 5 ft.

$$

PKZ170-060115-
Cape Sarichef to Nikolski Bering Side-
349 AM AKDT Sat Sep 5 2020

...GALE WARNING TONIGHT...

.TODAY...NE wind 30 kt. Seas 9 ft.
.TONIGHT...NE wind 35 kt. Seas 15 ft.
.SUN...NE wind 30 kt becoming S in the afternoon. Seas 11 ft.
Rain.
.SUN NIGHT...SW wind 35 kt. Seas 12 ft.
.MON...SW wind 35 kt. Seas 12 ft.
.TUE...SW wind 15 kt. Seas 7 ft.
.WED...SE wind 20 kt. Seas 5 ft.

$$

PKZ171-060115-
Unalaska Bay-
349 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NE wind 15 kt increasing to 25 kt in the afternoon. Seas
5 ft building to 8 ft in the afternoon. Rain.
.TONIGHT...NE wind 25 kt diminishing to 15 kt after midnight. Seas
9 ft subsiding to 5 ft after midnight. Rain.
.SUN...SE wind 20 kt. Seas 3 ft. Rain showers.
.SUN NIGHT...SW wind 20 kt. Seas 3 ft.
.MON...SW wind 15 kt. Seas 2 ft.
.TUE...SW wind 10 kt. Seas 2 ft.
.WED...E wind 10 kt. Seas 3 ft.

$$

PKZ172-060115-
Cape Sarichef to Nikolski Pacific Side-
349 AM AKDT Sat Sep 5 2020

...GALE WARNING TODAY...

.TODAY...NE wind 30 kt increasing to 40 kt in the afternoon. Seas
11 ft building to 17 ft in the afternoon. Rain showers.
.TONIGHT...NE wind 30 kt. Seas 16 ft.
.SUN...S wind 30 kt. Seas 14 ft. Rain showers.
.SUN NIGHT...SW wind 35 kt. Seas 17 ft.
.MON...SW wind 30 kt. Seas 15 ft.
.TUE...W wind 15 kt. Seas 7 ft.
.WED...NE wind 20 kt. Seas 6 ft.

$$

PKZ173-060115-
Nikolski to Seguam Island Bering Side-
349 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 25 kt. Seas 8 ft.
.TONIGHT...NE wind 30 kt. Seas 12 ft. Rain.
.SUN...N wind 30 kt. Seas 16 ft. Rain.
.SUN NIGHT...W wind 30 kt. Seas 16 ft.
.MON...W wind 25 kt. Seas 13 ft.
.TUE...SW wind 15 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 7 ft.

$$

PKZ174-060115-
Nikolski to Seguam Island Pacific Side-
349 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 25 kt. Seas 10 ft. Rain showers.
.TONIGHT...NE wind 25 kt. Seas 12 ft. Rain.
.SUN...N wind 30 kt becoming W in the afternoon. Seas 12 ft. Rain.
.SUN NIGHT...W wind 30 kt. Seas 12 ft.
.MON...W wind 20 kt. Seas 10 ft.
.TUE...Variable wind 10 kt. Seas 8 ft.
.WED...E wind 20 kt. Seas 8 ft.

$$

PKZ175-060115-
Seguam Island to Adak Bering Side-
349 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...E wind 20 kt. Seas 7 ft.
.TONIGHT...NE wind 20 kt becoming N 30 kt after midnight. Seas
10 ft.
.SUN...N wind 30 kt. Seas 15 ft. Rain.
.SUN NIGHT...NW wind 30 kt. Seas 15 ft.
.MON...NW wind 25 kt. Seas 13 ft.
.TUE...S wind 20 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 7 ft.

$$

PKZ176-060115-
Seguam Island to Adak Pacific Side-
349 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 25 kt. Seas 9 ft. Rain showers.
.TONIGHT...NE wind 25 kt. Seas 10 ft.
.SUN...N wind 30 kt. Seas 12 ft.
.SUN NIGHT...NW wind 25 kt. Seas 11 ft.
.MON...NW wind 20 kt. Seas 8 ft.
.TUE...S wind 15 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 9 ft.

$$

PKZ177-060115-
Adak to Kiska-
349 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NE wind 25 kt. Seas 8 ft.
.TONIGHT...NE wind 20 kt. Seas 8 ft.
.SUN...N wind 25 kt. Seas 10 ft.
.SUN NIGHT...NW wind 25 kt. Seas 11 ft.
.MON...W wind 20 kt. Seas 10 ft.
.TUE THROUGH WED...SE wind 25 kt. Seas 10 ft.

$$

PKZ178-060115-
Kiska to Attu-
349 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 20 kt. Seas 9 ft.
.TONIGHT...NE wind 15 kt. Seas 6 ft.
.SUN...N wind 20 kt. Seas 6 ft.
.SUN NIGHT...NW wind 15 kt. Seas 6 ft.
.MON THROUGH TUE...SE wind 25 kt. Seas 9 ft.
.WED...SE wind 30 kt. Seas 9 ft.

$$

PKZ179-060115-
Pribilof Islands Near Shore Waters-
349 AM AKDT Sat Sep 5 2020

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...NE wind 25 kt. Seas 9 ft.
.TONIGHT...NE wind 35 kt. Seas 16 ft.
.SUN...NE wind 40 kt diminishing to 30 kt in the afternoon. Seas
17 ft. Rain.
.SUN NIGHT...N wind 20 kt. Seas 10 ft.
.MON...W wind 25 kt. Seas 9 ft.
.TUE...SW wind 20 kt. Seas 7 ft.
.WED...S wind 15 kt. Seas 8 ft.

$$

PKZ180-060115-
Kuskokwim Delta and Etolin Strait-
349 AM AKDT Sat Sep 5 2020

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...E wind 30 kt. Seas 9 ft.
.TONIGHT...NE wind 40 kt. Seas 15 ft. Rain showers.
.SUN...E wind 40 kt. Seas 14 ft. Rain showers.
.SUN NIGHT...SE wind 35 kt. Seas 13 ft.
.MON...S wind 40 kt. Seas 15 ft.
.TUE...SW wind 25 kt. Seas 6 ft.
.WED...W wind 20 kt. Seas 5 ft.

$$

PKZ181-060115-
North and West of Nunivak Island-
349 AM AKDT Sat Sep 5 2020

...GALE WARNING SUNDAY...

.TODAY...E wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 30 kt. Seas 9 ft.
.SUN...NE wind 35 kt. Seas 12 ft. Rain.
.SUN NIGHT...E wind 35 kt. Seas 11 ft.
.MON THROUGH WED...W wind 20 kt. Seas 7 ft.

$$

PKZ185-060115-
Saint Matthew Island Waters-
349 AM AKDT Sat Sep 5 2020

...GALE WARNING SUNDAY...

.TODAY...E wind 20 kt. Seas 7 ft.
.TONIGHT...NE wind 30 kt. Seas 8 ft.
.SUN...NE wind 35 kt. Seas 14 ft.
.SUN NIGHT...N wind 40 kt. Seas 15 ft.
.MON...NW wind 30 kt. Seas 14 ft.
.TUE...W wind 20 kt. Seas 6 ft.
.WED...SE wind 20 kt. Seas 11 ft.

$$

092 
FZAK52 PAFC 051911 AAA
CWFALU

Coastal Waters Forecast...UPDATED
National Weather Service Anchorage AK
1111 AM AKDT Sat Sep 5 2020

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.

PKZ199-060315-
1111 AM AKDT Sat Sep 5 2020
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 985 low in the North Pacific will move to 150 nm south of Sand 
Point at 995 mb by Sat afternoon. This low will push north of the
Chain and weaken Sat night. A new low of 986 mb will be 85 nm
south of Dutch Harbor Sun morning. This low deepens to 981 mb as
it moves towards the Pribilof Islands Sun afternoon.

$$

PKZ150-060315-
South of the AK Peninsula Sitkinak to Castle Cape-
1111 AM AKDT Sat Sep 5 2020

...GALE WARNING THROUGH SUNDAY...

.TODAY...E wind 35 kt increasing to 45 kt in the afternoon. Seas
9 ft building to 17 ft in the afternoon. Rain showers. 
.TONIGHT...E wind 40 kt. Seas 16 ft. Rain showers. 
.SUN...SE wind 35 kt. Seas 14 ft. Rain. 
.SUN NIGHT...S wind 30 kt. Seas 14 ft. 
.MON...SW wind 30 kt. Seas 14 ft. 
.TUE...W wind 15 kt. Seas 9 ft. 
.WED...N wind 15 kt. Seas 5 ft.

$$

PKZ155-060315-
South of the AK Peninsula Castle Cape to Cape Sarichef-
1111 AM AKDT Sat Sep 5 2020

...STORM WARNING TODAY...

.TODAY...E wind 50 kt. Seas 21 ft. Showers and isolated
thunderstorms. 
.TONIGHT...E wind 30 kt. From the Shumagin Islands E, SE wind
40 kt diminishing to 25 kt after midnight. Seas 17 ft. 
.SUN...S wind 35 kt. Seas 15 ft. 
.SUN NIGHT...S wind 35 kt. Seas 17 ft. 
.MON...SW wind 30 kt. Seas 16 ft. 
.TUE...W wind 15 kt. Seas 9 ft. 
.WED...N wind 15 kt. Seas 6 ft.

$$

PKZ160-060315-
Bristol Bay-
1111 AM AKDT Sat Sep 5 2020

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...E wind 30 kt. Seas 7 ft. Areas of fog. 
.TONIGHT...E wind 40 kt. Seas 13 ft. Rain. 
.SUN...SE wind 45 kt. Seas 13 ft. Rain. 
.SUN NIGHT...SE wind 35 kt. Seas 9 ft. 
.MON...S wind 35 kt. Seas 12 ft. 
.TUE...SW wind 25 kt. Seas 6 ft. 
.WED...NW wind 15 kt. Seas 3 ft.

$$

PKZ165-060315-
Port Heiden to Cape Sarichef-
1111 AM AKDT Sat Sep 5 2020

...STORM WARNING TONIGHT...

.TODAY...E wind 25 kt becoming NE 45 kt in the afternoon. Seas
8 ft building to 15 ft in the afternoon. Rain showers. 
.TONIGHT...NE wind 50 kt becoming E 35 kt after midnight. Seas
18 ft. Rain. 
.SUN...E wind 40 kt becoming SE 30 kt in the afternoon. Seas
11 ft. Rain. 
.SUN NIGHT...S wind 40 kt. Seas 13 ft. 
.MON...SW wind 40 kt. Seas 14 ft. 
.TUE...SW wind 20 kt. Seas 7 ft. 
.WED...NW wind 15 kt. Seas 5 ft.

$$

PKZ170-060315-
Cape Sarichef to Nikolski Bering Side-
1111 AM AKDT Sat Sep 5 2020

...GALE WARNING TONIGHT...

.TODAY...NE wind 30 kt. Seas 9 ft. 
.TONIGHT...NE wind 35 kt. Seas 15 ft. 
.SUN...NE wind 30 kt becoming S in the afternoon. Seas 11 ft.
Rain. 
.SUN NIGHT...SW wind 35 kt. Seas 12 ft. 
.MON...SW wind 35 kt. Seas 12 ft. 
.TUE...SW wind 15 kt. Seas 7 ft. 
.WED...SE wind 20 kt. Seas 5 ft.

$$

PKZ171-060315-
Unalaska Bay-
1111 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NE wind 15 kt increasing to 25 kt in the afternoon. Seas
5 ft building to 8 ft in the afternoon. Rain. 
.TONIGHT...NE wind 25 kt diminishing to 15 kt after midnight.
Seas 9 ft subsiding to 5 ft after midnight. Rain. 
.SUN...SE wind 20 kt. Seas 3 ft. Rain showers. 
.SUN NIGHT...SW wind 20 kt. Seas 3 ft. 
.MON...SW wind 15 kt. Seas 2 ft. 
.TUE...SW wind 10 kt. Seas 2 ft. 
.WED...E wind 10 kt. Seas 3 ft.

$$

PKZ172-060315-
Cape Sarichef to Nikolski Pacific Side-
1111 AM AKDT Sat Sep 5 2020

...GALE WARNING TODAY...

.TODAY...NE wind 30 kt increasing to 40 kt in the afternoon. Seas
11 ft building to 17 ft in the afternoon. Rain showers. 
.TONIGHT...NE wind 30 kt. Seas 16 ft. 
.SUN...S wind 30 kt. Seas 14 ft. Rain showers. 
.SUN NIGHT...SW wind 35 kt. Seas 17 ft. 
.MON...SW wind 30 kt. Seas 15 ft. 
.TUE...W wind 15 kt. Seas 7 ft. 
.WED...NE wind 20 kt. Seas 6 ft.

$$

PKZ173-060315-
Nikolski to Seguam Island Bering Side-
1111 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 25 kt. Seas 8 ft. 
.TONIGHT...NE wind 30 kt. Seas 12 ft. Rain. 
.SUN...N wind 30 kt. Seas 16 ft. Rain. 
.SUN NIGHT...W wind 30 kt. Seas 16 ft. 
.MON...W wind 25 kt. Seas 13 ft. 
.TUE...SW wind 15 kt. Seas 8 ft. 
.WED...SE wind 20 kt. Seas 7 ft.

$$

PKZ174-060315-
Nikolski to Seguam Island Pacific Side-
1111 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 25 kt. Seas 10 ft. Rain showers. 
.TONIGHT...NE wind 25 kt. Seas 12 ft. Rain. 
.SUN...N wind 30 kt becoming W in the afternoon. Seas 12 ft.
Rain. 
.SUN NIGHT...W wind 30 kt. Seas 12 ft. 
.MON...W wind 20 kt. Seas 10 ft. 
.TUE...Variable wind 10 kt. Seas 8 ft. 
.WED...E wind 20 kt. Seas 8 ft.

$$

PKZ175-060315-
Seguam Island to Adak Bering Side-
1111 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...E wind 20 kt. Seas 7 ft. 
.TONIGHT...NE wind 20 kt becoming N 30 kt after midnight. Seas
10 ft. 
.SUN...N wind 30 kt. Seas 15 ft. Rain. 
.SUN NIGHT...NW wind 30 kt. Seas 15 ft. 
.MON...NW wind 25 kt. Seas 13 ft. 
.TUE...S wind 20 kt. Seas 8 ft. 
.WED...SE wind 20 kt. Seas 7 ft.

$$

PKZ176-060315-
Seguam Island to Adak Pacific Side-
1111 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E wind 25 kt. Seas 9 ft. Rain showers. 
.TONIGHT...NE wind 25 kt. Seas 10 ft. 
.SUN...N wind 30 kt. Seas 12 ft. 
.SUN NIGHT...NW wind 25 kt. Seas 11 ft. 
.MON...NW wind 20 kt. Seas 8 ft. 
.TUE...S wind 15 kt. Seas 8 ft. 
.WED...SE wind 20 kt. Seas 9 ft.

$$

PKZ177-060315-
Adak to Kiska-
1111 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NE wind 25 kt. Seas 8 ft. 
.TONIGHT...NE wind 20 kt. Seas 8 ft. 
.SUN...N wind 25 kt. Seas 10 ft. 
.SUN NIGHT...NW wind 25 kt. Seas 11 ft. 
.MON...W wind 20 kt. Seas 10 ft. 
.TUE THROUGH WED...SE wind 25 kt. Seas 10 ft.

$$

PKZ178-060315-
Kiska to Attu-
1111 AM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E wind 20 kt. Seas 9 ft. 
.TONIGHT...NE wind 15 kt. Seas 6 ft. 
.SUN...N wind 20 kt. Seas 6 ft. 
.SUN NIGHT...NW wind 15 kt. Seas 6 ft. 
.MON THROUGH TUE...SE wind 25 kt. Seas 9 ft. 
.WED...SE wind 30 kt. Seas 9 ft.

$$

PKZ179-060315-
Pribilof Islands Near Shore Waters-
1111 AM AKDT Sat Sep 5 2020

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...NE wind 25 kt. Seas 9 ft. 
.TONIGHT...NE wind 35 kt. Seas 16 ft. 
.SUN...NE wind 40 kt diminishing to 30 kt in the afternoon. Seas
17 ft. Rain. 
.SUN NIGHT...N wind 20 kt. Seas 10 ft. 
.MON...W wind 25 kt. Seas 9 ft. 
.TUE...SW wind 20 kt. Seas 7 ft. 
.WED...S wind 15 kt. Seas 8 ft.

$$

PKZ180-060315-
Kuskokwim Delta and Etolin Strait-
1111 AM AKDT Sat Sep 5 2020

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...E wind 30 kt. Seas 9 ft. 
.TONIGHT...NE wind 40 kt. Seas 15 ft. Rain showers. 
.SUN...E wind 40 kt. Seas 14 ft. Rain showers. 
.SUN NIGHT...SE wind 35 kt. Seas 13 ft. 
.MON...S wind 40 kt. Seas 15 ft. 
.TUE...SW wind 25 kt. Seas 6 ft. 
.WED...W wind 20 kt. Seas 5 ft.

$$

PKZ181-060315-
North and West of Nunivak Island-
1111 AM AKDT Sat Sep 5 2020

...GALE WARNING SUNDAY...

.TODAY...E wind 20 kt. Seas 5 ft. 
.TONIGHT...NE wind 30 kt. Seas 9 ft. 
.SUN...NE wind 35 kt. Seas 12 ft. Rain. 
.SUN NIGHT...E wind 35 kt. Seas 11 ft. 
.MON THROUGH WED...W wind 20 kt. Seas 7 ft.

$$

PKZ185-060315-
Saint Matthew Island Waters-
1111 AM AKDT Sat Sep 5 2020

...GALE WARNING SUNDAY...

.TODAY...E wind 20 kt. Seas 7 ft. 
.TONIGHT...NE wind 30 kt. Seas 8 ft. 
.SUN...NE wind 35 kt. Seas 14 ft. 
.SUN NIGHT...N wind 40 kt. Seas 15 ft. 
.MON...NW wind 30 kt. Seas 14 ft. 
.TUE...W wind 20 kt. Seas 6 ft. 
.WED...SE wind 20 kt. Seas 11 ft.

$$

288 
FZAK52 PAFC 060000
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
400 PM AKDT Sat Sep 5 2020

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.

PKZ199-061245-
400 PM AKDT Sat Sep 5 2020
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 990 mb North Pacific low 130 nm south of Sand Point moves to 50
nm south of Cold Bay at 995 mb before merging with a second low. 
The second low moves to 190 nm South of Dutch Harbor at 985 mb 
Sun morning then to 70 nm northeast of Saint Paul Monday morning. 

$$

PKZ150-061245-
South of the AK Peninsula Sitkinak to Castle Cape-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...E wind 45 kt becoming SE wind 35 kt after midnight. Seas 
18 ft.
.SUN...SE wind 40 kt. Seas 14 ft.
.SUN NIGHT...S wind 35 kt. Seas 15 ft.
.MON...SW wind 30 kt. Seas 15 ft.
.MON NIGHT...SW wind 25 kt. Seas 12 ft.
.TUE...W wind 15 kt. Seas 9 ft.
.WED...N wind 15 kt. Seas 5 ft.
.THU...E wind 15 kt. Seas 5 ft.

$$

PKZ155-061245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...SE wind 40 kt. Seas 18 ft.
.SUN...SE wind 40 kt. Seas 15 ft.
.SUN NIGHT...SW wind 35 kt. Seas 18 ft.
.MON...SW wind 35 kt. Seas 17 ft.
.MON NIGHT...SW wind 25 kt. Seas 12 ft.
.TUE...Variable wind 10 kt. Seas 8 ft.
.WED...N wind 15 kt. Seas 6 ft.
.THU...E wind 20 kt. Seas 6 ft.

$$

PKZ160-061245-
Bristol Bay-
400 PM AKDT Sat Sep 5 2020

...STORM WARNING SUNDAY...

.TONIGHT...E wind 45 kt. Seas 12 ft.
.SUN...E wind 40 kt becoming SE 50 kt in the afternoon. Seas 14 ft. 
Rain.
.SUN NIGHT...SE wind 30 kt. Seas 10 ft.
.MON...S wind 40 kt. Seas 13 ft.
.MON NIGHT...SW wind 35 kt. Seas 11 ft.
.TUE...SW wind 25 kt. Seas 8 ft.
.WED...NW wind 15 kt. Seas 3 ft.
.THU...E wind 15 kt. Seas 4 ft.

$$

PKZ165-061245-
Port Heiden to Cape Sarichef-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...NE wind 45 kt becoming SE wind 35 kt after midnight. Seas
20 ft.
.SUN...S wind 40 kt. From Port Moller E, E wind 45 kt becoming S wind
35 kt in the afternoon. Seas 12 ft.
.SUN NIGHT...S wind 40 kt. Seas 13 ft.
.MON...SW wind 40 kt. Seas 15 ft.
.MON NIGHT...SW wind 30 kt. Seas 11 ft.
.TUE...SW wind 25 kt. Seas 7 ft.
.WED...NW wind 15 kt. Seas 5 ft.
.THU...E wind 20 kt. Seas 6 ft.

$$

PKZ170-061245-
Cape Sarichef to Nikolski Bering Side-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING TONIGHT AND SUNDAY NIGHT...

.TONIGHT...NE wind 40 kt diminishing to 30 kt after midnight. Seas
16 ft.
.SUN...S wind 30 kt. Seas 13 ft.
.SUN NIGHT...SW wind 35 kt. Seas 13 ft.
.MON...SW wind 35 kt. Seas 13 ft.
.MON NIGHT...SW wind 25 kt. Seas 9 ft.
.TUE...W wind 15 kt. Seas 7 ft.
.WED THROUGH THU...E wind 20 kt. Seas 5 ft.

$$

PKZ171-061245-
Unalaska Bay-
400 PM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...N wind 30 kt becoming E wind 20 kt after midnight. Seas 
10 ft subsiding to 5 ft after midnight. Rain.
.SUN...SE wind 15 kt becoming S wind 30 kt in the afternoon. Seas 2 
ft building to 5 ft in the afternoon. Rain.
.SUN NIGHT...S wind 30 kt. Seas 5 ft.
.MON...SW wind 25 kt. Seas 4 ft.
.MON NIGHT...SW wind 20 kt. Seas 3 ft.
.TUE...W wind 10 kt. Seas 2 ft.
.WED...E wind 10 kt. Seas 3 ft.
.THU...E wind 15 kt. Seas 2 ft.

$$

PKZ172-061245-
Cape Sarichef to Nikolski Pacific Side-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...N wind 35 kt becoming E wind 25 kt after midnight. Seas 
15 ft.
.SUN...S wind 35 kt. Seas 14 ft.
.SUN NIGHT...SW wind 35 kt. Seas 17 ft.
.MON...SW wind 35 kt. Seas 16 ft.
.MON NIGHT...SW wind 20 kt. Seas 10 ft.
.TUE...Variable wind 10 kt. Seas 7 ft.
.WED THROUGH THU...E wind 20 kt. Seas 6 ft.

$$

PKZ173-061245-
Nikolski to Seguam Island Bering Side-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...NE wind 30 kt. Seas 12 ft. Rain.
.SUN...N wind 30 kt. Seas 15 ft.
.SUN NIGHT...W wind 35 kt. Seas 16 ft.
.MON...W wind 30 kt. Seas 14 ft.
.MON NIGHT...W wind 15 kt. Seas 11 ft.
.TUE...SW wind 15 kt. Seas 7 ft.
.WED...SE wind 20 kt. Seas 7 ft.
.THU...E wind 20 kt. Seas 5 ft.

$$

PKZ174-061245-
Nikolski to Seguam Island Pacific Side-
400 PM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 13 ft. Rain.
.SUN...W wind 30 kt. Seas 12 ft.
.SUN NIGHT...W wind 30 kt. Seas 13 ft.
.MON...W wind 25 kt. Seas 12 ft.
.MON NIGHT...W wind 15 kt. Seas 9 ft.
.TUE...Variable wind 10 kt. Seas 8 ft.
.WED THROUGH THU...E wind 20 kt. Seas 7 ft.

$$

PKZ175-061245-
Seguam Island to Adak Bering Side-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 9 ft.
.SUN...NE wind 25 kt in the morning becoming NW wind 35 kt. Seas 15 
ft.
.SUN NIGHT...NW wind 35 kt diminishing to 25 kt after midnight.
Seas 16 ft.
.MON...W wind 25 kt. Seas 14 ft.
.MON NIGHT...W wind 15 kt. Seas 11 ft.
.TUE...S wind 20 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 7 ft.
.THU...NE wind 20 kt. Seas 6 ft.

$$

PKZ176-061245-
Seguam Island to Adak Pacific Side-
400 PM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 12 ft.
.SUN...NW wind 30 kt. Seas 12 ft.
.SUN NIGHT...NW wind 30 kt diminishing to 20 kt after midnight. Seas
11 ft.
.MON...W wind 20 kt. Seas 8 ft.
.MON NIGHT...Variable wind 10 kt. Seas 7 ft.
.TUE...S wind 15 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 9 ft.
.THU...E wind 20 kt. Seas 7 ft.

$$

PKZ177-061245-
Adak to Kiska-
400 PM AKDT Sat Sep 5 2020

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...N wind 25 kt. Seas 8 ft.
.SUN...N wind 25 kt. Seas 9 ft.
.SUN NIGHT...NW wind 25 kt. Seas 10 ft.
.MON...W wind 20 kt. Seas 10 ft.
.MON NIGHT...S wind 20 kt. Seas 9 ft.
.TUE THROUGH WED...SE wind 25 kt. Seas 10 ft.
.THU...N wind 15 kt. Seas 8 ft.

$$

PKZ178-061245-
Kiska to Attu-
400 PM AKDT Sat Sep 5 2020

.TONIGHT...NE wind 15 kt, From Shemya W, N wind 10 kt. Seas 7 ft.
.SUN...N wind 20 kt, From Shemya W, variable wind 10 kt. Seas 6 ft.
.SUN NIGHT...NW wind 15 kt becoming S wind 15 kt after midnight. 
Seas 6 ft.
.MON...S wind 25 kt. Seas 9 ft.
.MON NIGHT...S wind 30 kt. Seas 9 ft.
.TUE...S wind 35 kt. Seas 13 ft.
.WED...SE wind 30 kt. Seas 9 ft.
.THU...NW wind 15 kt. Seas 9 ft.

$$

PKZ179-061245-
Pribilof Islands Near Shore Waters-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...NE wind 25 kt in the evening increasing to 40 kt. Seas 12
ft building to 17 ft after midnight.
.SUN...NE wind 40 kt diminishing to 15 kt in the afternoon. Seas 17 
ft. Rain.
.SUN NIGHT...SE wind 15 kt becoming NW wind after midnight. Seas 12 
ft.
.MON AND MON NIGHT...W wind 30 kt. Seas 9 ft.
.TUE...W wind 20 kt. Seas 7 ft.
.WED...S wind 15 kt. Seas 8 ft.
.THU...E wind 20 kt. Seas 8 ft.

$$

PKZ180-061245-
Kuskokwim Delta and Etolin Strait-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...NE wind 45 kt. Seas 15 ft.
.SUN...E wind 45 kt diminishing to 35 kt in the afternoon. Seas 16 
ft. Rain.
.SUN NIGHT...S wind 35 kt. Seas 14 ft. Rain showers.
.MON...SW wind 40 kt. Seas 16 ft.
.MON NIGHT...SW wind 35 kt. Seas 12 ft.
.TUE...SW wind 30 kt. Seas 8 ft.
.WED...W wind 20 kt. Seas 5 ft.
.THU...E wind 15 kt. Seas 6 ft.

$$

PKZ181-061245-
North and West of Nunivak Island-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...NE wind 30 kt. Seas 9 ft.
.SUN...NE wind 40 kt. Seas 13 ft. Rain.
.SUN NIGHT...E wind 40 kt diminishing to 20 kt after midnight.
Seas 12 ft.
.MON...W wind 20 kt. Seas 5 ft.
.MON NIGHT...W wind 15 kt. Seas 5 ft.
.TUE THROUGH WED...W wind 20 kt. Seas 6 ft.
.THU...NE wind 15 kt. Seas 7 ft.

$$

PKZ185-061245-
Saint Matthew Island Waters-
400 PM AKDT Sat Sep 5 2020

...GALE WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...NE wind 30 kt E of Saint Matthew Island... NE wind 15 kt
in the evening becoming NE wind 25 kt W of Saint Matthew Island. 
Seas 9 ft.
.SUN...E of Saint Matthew Island, NE wind 40 kt. W of Saint
Matthew Island, NE wind 30 kt becoming N wind 40 kt in the 
afternoon. Seas 15 ft. Rain.
.SUN NIGHT...W of Saint Matthew Island, N wind 40 kt. E of Saint
Matthew Island, N wind 40 kt in the evening diminishing to N wind 20
kt. Seas 16 ft.
.MON...N wind 35 kt. Seas 14 ft.
.MON NIGHT...N wind 20 kt. Seas 9 ft.
.TUE...NW wind 20 kt. Seas 7 ft.
.WED...SE wind 20 kt. Seas 11 ft.
.THU...NE wind 20 kt. Seas 11 ft.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
447 AM AKDT Fri Sep 4 2020

.ANALYSIS AND UPPER LEVELS...

Yesterday evening, lightning strikes were detected over Point
MacKenzie and east of Cordova. There is a weak upper level low
over Southcentral with embedded minor shortwaves. Which is just
unstable enough to produce isolated showers and thunderstorms.
The radars at Kenai and Middleton Island continue to ping into
shower activity early this morning. There is a minor ridge over
Sand Point, the Eastern Bering and Bristol Bay. There is another
and more robust low near the Seward Peninsula in addition to the
closed low north of Attu Island. There is a 150 knot jet core also
near Attu.

&&

.MODEL DISCUSSION...

There has been some run to run continuity issues with the
NAM...GFS and Canadian. Very Confident that Saturday will be the
driest day for the Anchorage Bowl this holiday weekend. However,
there are some wholesale differences with the intensity and the
placement of the next low to hit SW AK and this will have
implications for what happens with the winds for Southcentral.

&&

.AVIATION...

PANC...At 853z the cig at 4,200 feet was observed at PANC. On the
Kenai radar there were still isolated showers over Point MacKenzie
and Turnagain Arm. Turnagain arm winds develop again today but
they don't look as strong as yesterday. So the current thinking is
that winds will be light and variable at PANC. High confidence
that the weather is going to be VFR on Saturday (all day).

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...

A broad cold upper low continues over Southcentral today and the
threat of showers. Cloud breaks combined with upper forcing may be
enough to kick off a few thunderstorms over the Kenai Peninsula,
Copper River Basin, and Susitna Valley this afternoon and early
evening. Drier and sunnier conditions are expected across the
region as ridging builds in on Saturday. A developing North
Pacific low and associated front heading toward the Alaska
Peninsula on Saturday will bring strong easterly winds to the
western Gulf and Kodiak Island with increased chances of rain
Saturday afternoon/night. There is still some uncertainty with the
speed and positioning of these features. So stay tuned for
updates.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 through 3:
Friday through Monday)...

A brief period of ridging over the eastern Bering will lead to
clearer skies and warmer temperatures Friday and Saturday. The
exception to this is over the western Alaska Range, where an upper
level low over Southcentral could provide lift for showers over
the mountains on Friday. The pattern is expected to change first
over the AKPEN on Saturday as a tightly packed north Pacific low
moves into the area. There is some uncertainty in the model
guidance as to the strength and the east/west track of the low as
it pushes north into the area. Regardless, frontal precipitation
and wind is expected to reach the AKPEN Saturday afternoon. Rain
and gusty winds are expected to then spread across Southwest by
Sunday as the tightly packed low gets absorbed by a much broader
system in the north Pacific. The large low complex is then
expected to move north through Monday, with widespread rain
expected over southwest as it tracks north.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 through 3:
Thursday through Sunday morning)...

An elongated area of low pressure over the western Bering will
continue to bring widespread rain from Adak to Shemya through
Saturday before moving south within the broad trough present over
the north Pacific. Meanwhile, high pressure over the eastern
Bering should lead to calmer seas and clearer skies through
Saturday when a compact north Pacific low is expected to move over
the eastern Aleutians. There is still some uncertainty in the
track and strength of the initial, compact low and what influence
it will have as a broad region of low pressure moves over the
region on Sunday. Regardless, Gale force winds, higher seas and
widespread rain are expected over the central and eastern Bering
through Monday as the system tracks north.

&&

.MARINE (Days 3 through 5/Sunday through Tuesday)...

There is increasing confidence that a gale force low will move
northward across the central/eastern Aleutians on Sunday. Storm
force winds and waves are a possibility with this system as there
is still model discrepancy with the strength of the storm. Gales
are likely to continue with this low as it moves into the northern
Bering on Monday but should dissipate Tuesday. The front
associated with the aforementioned low will enter the northwestern
Gulf Sunday. As it propagates northward across the Gulf into
Monday, gale to storm force winds are expected before it
dissipates Monday night. Models are picking up on a small craft
advisory front entering the western Aleutians on Tuesday and
moving to the east into Wednesday.

&&

.LONG TERM FORECAST (Days 4 through 7/Monday through
Thursday)...

The amplified pattern will continue through Wednesday. A large
area of low pressure over the eastern Bering will bring widespread
rain and winds to much of the Bering Sea, the Aleutian Chain and
across the Gulf and Southcentral on Monday. Rain will continue
into Tuesday for much of the area as that low moves northward. An
upper level ridge continues to strengthen over the North
Pacific/eastern Gulf, at this time, which will begin to interact
with the trough digging down from the Bering and into the North
Pacific. This will set up an opportunity for an "atmospheric
river", which is a fetch of deep moisture. This will make its way
into the southwestern Gulf on Tuesday and should start
precipitation through Thursday. However, model discrepancies still
haven't resolved if the moisture will be over Southcentral or if
it will get shunted to the southeastern part of the state. All in
all, expect a wet and windy, fall-like pattern, as we move further
into September.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...Gale 352 150 155 178.

&&

SYNOPSIS AND MODEL DISCUSSION...PJS
SOUTHCENTRAL ALASKA...BC
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...CJ
MARINE/LONG TERM...CK