Gale Warning 3, NWS Anchorage, AK

548 
FZAK62 PAFC 052359
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
259 PM AKST Sun Jan 5 2020

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-061415-
259 PM AKST Sun Jan 5 2020
.SYNOPSIS FOR CENTRAL BERING SEA...

A 1008 mb low at 59N 171W moves to 58N 169W at 1013 mb and 
dissipates Mon night. A front dissipates over the Eastern 
Aleutians Mon morning. A 966 mb North Pacific low swings its front
across the Aleutians into the Bering by Tue afternoon. A 962 mb 
low moves along the front to 47N 176E for Tue afternoon.

$$

PKZ411-061415-
Bering Sea Offshore West of 180 and East of the International
Dateline-
259 PM AKST Sun Jan 5 2020

...GALE WARNING MONDAY AND MONDAY NIGHT...

.TONIGHT...NE wind 10 to 25 kt. Seas 6 ft. Freezing spray.
.MON...E wind 15 to 30 kt increasing to 25 to 40 kt in the
afternoon. Seas 6 to 11 ft. Freezing spray.
.MON NIGHT...E wind 25 to 40 kt. Seas 9 to 17 ft. Freezing spray.
Snow.
.TUE...SE wind 15 to 30 kt. Seas 10 to 18 ft.
.TUE NIGHT...E wind 20 to 35 kt. Seas 9 to 15 ft.
.WED THROUGH THU...NE wind 15 to 30 kt. Seas 11 to 19 ft.
.FRI...N wind 10 to 25 kt. Seas 14 to 22 ft.

$$

PKZ412-061415-
Bering Sea Offshore 171W to 180 and North of 56N-
259 PM AKST Sun Jan 5 2020

.TONIGHT...N wind 10 to 20 kt. Seas 6 ft. Freezing spray.
.MON...NE wind 10 to 20 kt. Seas 5 ft.
.MON NIGHT...E wind 15 to 30 kt. Seas 5 to 8 ft. Freezing spray.
.TUE...E wind 20 to 35 kt. Seas 8 to 13 ft.
.TUE NIGHT...E wind 20 to 35 kt. Seas 9 to 14 ft.
.WED...E wind 20 to 35 kt. Seas 11 to 19 ft.
.THU...E wind 10 to 25 kt. Seas 7 to 12 ft.
.FRI...SE wind 15 to 30 kt. Seas 15 to 23 ft.

$$

PKZ413-061415-
Bering Sea Offshore 171W to 180 and South of 56N-
259 PM AKST Sun Jan 5 2020

.TONIGHT...NW wind 15 kt. Seas 6 ft. Freezing spray.
.MON...E wind up to 20 kt increasing to 15 to 30 kt in the
afternoon. Seas 5 to 8 ft.
.MON NIGHT...E wind 15 to 30 kt. Seas 7 to 12 ft. Snow and rain.
.TUE...S wind 15 to 30 kt. Seas 8 to 13 ft.
.TUE NIGHT...E wind 15 to 30 kt. Seas 7 to 12 ft.
.WED...SE wind 15 to 30 kt. Seas 9 to 14 ft.
.THU...S wind 10 to 20 kt. Seas 8 to 11 ft.
.FRI...SE wind 20 to 35 kt. Seas 16 to 31 ft.

$$

PKZ414-061415-
Bering Sea Offshore East of 171W-
259 PM AKST Sun Jan 5 2020

...HEAVY FREEZING SPRAY WARNING MONDAY...

.TONIGHT...NW wind 10 to 20 kt. Seas 3 to 6 ft. Freezing spray.
.MON...N wind up to 20 kt becoming E in the afternoon. Seas 5 ft.
Heavy freezing spray.
.MON NIGHT...E wind up to 20 kt increasing to 15 to 25 kt after
midnight. Seas 3 to 7 ft. Freezing spray.
.TUE...E wind 20 to 30 kt. Seas 4 to 9 ft.
.TUE NIGHT...E wind 15 to 30 kt. Seas 6 to 10 ft.
.WED...E wind 15 to 30 kt. Seas 8 to 13 ft.
.THU THROUGH FRI...SE wind 15 to 30 kt. Seas 6 to 11 ft.

$$

683 
FZAK62 PAFC 061221
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
321 AM AKST Mon Jan 6 2020

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-070200-
321 AM AKST Mon Jan 6 2020
.SYNOPSIS FOR CENTRAL BERING SEA...

A powerful front associated with a 949 mb Kamchatka Low will move
into the Western Bering Sea and Aleutians this morning then move 
east to the Pribilof Islands and Eastern Aleutians through Wed 
morning. A series of weaker lows will spin up along this front 
across the Aleutian Chain as it moves east. A 965 mb North Pacific
low Tue afternoon will move to 50N 174E at 964 mb Wed morning.

$$

PKZ411-070200-
Bering Sea Offshore West of 180 and East of the International
Dateline-
321 AM AKST Mon Jan 6 2020

...GALE WARNING THROUGH TUESDAY...

.TODAY...E wind 15 to 30 kt increasing to 25 to 40 kt in the
afternoon. Seas 6 to 11 ft. Freezing spray.
.TONIGHT...E wind 25 to 40 kt. Seas 10 to 18 ft. Freezing spray.
Snow.
.TUE...SE wind 20 to 35 kt. Seas 10 to 17 ft. Freezing spray.
.TUE NIGHT...E wind 20 to 35 kt. Seas 10 to 14 ft.
.WED...E wind 25 to 40 kt. Seas 13 to 21 ft.
.THU...SE wind 10 to 25 kt. Seas 9 to 15 ft.
.FRI...SE wind 25 to 40 kt. Seas 16 to 31 ft.

$$

PKZ412-070200-
Bering Sea Offshore 171W to 180 and North of 56N-
321 AM AKST Mon Jan 6 2020

.TODAY...NE wind 10 to 20 kt. Seas 5 ft. Freezing spray.
.TONIGHT...E wind 10 to 25 kt increasing to 20 to 30 kt after
midnight. Seas 5 to 8 ft. Freezing spray.
.TUE...E wind 20 to 30 kt. Seas 7 to 12 ft. Freezing spray.
.TUE NIGHT...E wind 20 to 30 kt. Seas 10 to 15 ft.
.WED...E wind 25 to 40 kt. Seas 11 to 19 ft.
.THU...SE wind 10 to 25 kt. Seas 8 to 13 ft.
.FRI...SE wind 20 to 35 kt. Seas 14 to 22 ft.

$$

PKZ413-070200-
Bering Sea Offshore 171W to 180 and South of 56N-
321 AM AKST Mon Jan 6 2020

.TODAY...NE wind up to 20 kt becoming E 15 to 30 kt in the
afternoon. Seas 6 ft.
.TONIGHT...E wind 15 to 30 kt. Seas 6 to 11 ft. Snow and rain.
.TUE...E wind 15 to 30 kt. Seas 8 to 11 ft. Snow.
.TUE NIGHT...E wind 20 to 35 kt. Seas 9 to 13 ft.
.WED THROUGH THU...S wind 20 to 35 kt. Seas 9 to 14 ft.
.FRI...S wind 25 to 40 kt. Seas 16 to 29 ft.

$$

PKZ414-070200-
Bering Sea Offshore East of 171W-
321 AM AKST Mon Jan 6 2020

.TODAY...NW wind up to 20 kt becoming E in the afternoon. Seas 4
ft. Freezing spray.
.TONIGHT...E wind 10 to 25 kt. Seas 5 ft. Freezing spray.
.TUE...E wind 15 to 25 kt. Seas 4 to 9 ft. Freezing spray N of 60N. 
Snow and rain.
.TUE NIGHT...E wind 15 to 25 kt. Seas 5 to 10 ft.
.WED THROUGH FRI...SE wind 20 to 35 kt. Seas 7 to 12 ft.

$$

515 
FZAK62 PAFC 070043
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
343 PM AKST Mon Jan 6 2020

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-071330-
343 PM AKST Mon Jan 6 2020
.SYNOPSIS FOR CENTRAL BERING SEA...

A strong North Pacific front pushes into the Eastern Aleutians 
and Bering through Wed afternoon. A 992 mb North Pacific low moves
along the front to 48N 175E at 960 mb Tue night then shifts to 
48N 179W at 970 mb by Wed afternoon. A 969 mb low forms on the 
front near 52N 175E for Wed afternoon.

$$

PKZ411-071330-
Bering Sea Offshore West of 180 and East of the International
Dateline-
343 PM AKST Mon Jan 6 2020

...GALE WARNING TONIGHT AND TUESDAY NIGHT...

.TONIGHT...E wind 25 to 40 kt. Seas 9 to 17 ft. Freezing spray.
Snow.
.TUE...E wind 15 to 30 kt. Seas 10 to 16 ft. Freezing spray.
.TUE NIGHT...E wind 15 to 30 kt increasing to 25 to 35 kt after
midnight. Seas 11 to 18 ft. Rain.
.WED...E wind 25 to 40 kt. Seas 15 to 23 ft.
.WED NIGHT...E wind 15 to 30 kt. Seas 13 to 21 ft.
.THU...SE wind 15 to 30 kt. Seas 10 to 17 ft.
.FRI...SE wind 30 to 45 kt. Seas 16 to 31 ft.
.SAT...SW wind 35 to 50 kt. Seas 18 to 33 ft.

$$

PKZ412-071330-
Bering Sea Offshore 171W to 180 and North of 56N-
343 PM AKST Mon Jan 6 2020

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...E wind 15 to 30 kt. Seas 4 to 7 ft. Freezing spray.
.TUE...E wind 30 kt. Seas 7 to 12 ft. Freezing spray.
.TUE NIGHT...E wind 25 to 35 kt. Seas 10 to 17 ft. Freezing spray.
.WED...E wind 25 to 40 kt. Seas 13 to 20 ft.
.WED NIGHT...E wind 20 to 35 kt. Seas 11 to 19 ft.
.THU...SE wind 10 to 25 kt. Seas 10 to 18 ft.
.FRI...SE wind 25 to 40 kt. Seas 17 to 26 ft.
.SAT...S wind 30 to 45 kt. Seas 23 to 35 ft.

$$

PKZ413-071330-
Bering Sea Offshore 171W to 180 and South of 56N-
343 PM AKST Mon Jan 6 2020

...GALE WARNING TUESDAY...

.TONIGHT...E wind 15 to 30 kt. Seas 6 to 11 ft. Snow.
.TUE...E wind 20 to 35 kt. Seas 9 to 12 ft. Snow.
.TUE NIGHT...E wind 15 to 30 kt. Seas 9 to 16 ft.
.WED...SE wind 15 to 30 kt. Seas 10 to 16 ft.
.WED NIGHT...SE wind 15 to 25 kt. Seas 10 to 13 ft.
.THU...S wind 15 to 30 kt. Seas 12 to 20 ft.
.FRI THROUGH SAT...SW wind 35 to 50 kt. Seas 17 to 30 ft.

$$

PKZ414-071330-
Bering Sea Offshore East of 171W-
343 PM AKST Mon Jan 6 2020

...HEAVY FREEZING SPRAY WARNING TUESDAY NIGHT...

.TONIGHT...E wind 10 to 25 kt. Seas 3 to 6 ft. Freezing spray.
.TUE...E wind 15 to 30 kt. Seas 4 to 9 ft. Freezing spray. 
.TUE NIGHT...E wind 15 to 30 kt. Seas 6 to 10 ft. Heavy freezing
spray.
.WED...E wind 15 to 30 kt. Seas 8 to 13 ft.
.WED NIGHT...SE wind 15 to 30 kt. Seas 8 to 13 ft.
.THU...S wind 10 to 25 kt. Seas 7 to 12 ft.
.FRI THROUGH SAT...SW wind 25 to 40 kt. Seas 12 to 20 ft.

$$

515 
FZAK62 PAFC 071228
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
328 AM AKST Tue Jan 7 2020

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-080145-
328 AM AKST Tue Jan 7 2020
.SYNOPSIS FOR CENTRAL BERING SEA...

A 995 mb low over Atka Island will move to the Pribilof Islands
and weaken into a front on Tues evening. A 975 mb low late Tue 
morning at 45N 174E will move to Shemya at 971 mb Wed morning then
move to 54N 178E at 975 mb Thu morning.

$$

PKZ411-080145-
Bering Sea Offshore West of 180 and East of the International
Dateline-
328 AM AKST Tue Jan 7 2020

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...E wind 15 to 30 kt. Seas 9 to 16 ft. Freezing spray.
.TONIGHT...E wind 15 to 30 kt increasing to 30 to 40 kt after
midnight. Seas 11 to 19 ft. Rain and snow.
.WED...E wind 25 to 40 kt. Seas 15 to 23 ft. Snow with rain.
.WED NIGHT...E wind 10 to 25 kt. Seas 12 to 20 ft.
.THU...SE wind 20 to 35 kt. Seas 9 to 15 ft.
.FRI...SE wind 30 to 45 kt. Seas 14 to 29 ft.
.SAT...SW wind 35 to 50 kt. Seas 18 to 33 ft.

$$

PKZ412-080145-
Bering Sea Offshore 171W to 180 and North of 56N-
328 AM AKST Tue Jan 7 2020

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...E wind 20 to 30 kt. Seas 7 to 12 ft. Freezing spray.
.TONIGHT...E wind 35 kt. Seas 9 to 17 ft. Freezing spray.
.WED...E wind 25 to 40 kt. Seas 13 to 21 ft. Freezing spray in the
morning. Snow and rain.
.WED NIGHT...SE wind 25 to 40 kt. Seas 11 to 19 ft.
.THU...SE wind 20 to 35 kt. Seas 9 to 15 ft.
.FRI...SE wind 25 to 40 kt. Seas 15 to 23 ft.
.SAT...S wind 30 to 45 kt. Seas 23 to 35 ft.

$$

PKZ413-080145-
Bering Sea Offshore 171W to 180 and South of 56N-
328 AM AKST Tue Jan 7 2020

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...E wind 20 to 35 kt. Seas 10 to 15 ft. Snow.
.TONIGHT...E wind 15 to 30 kt increasing to 25 to 40 kt 
after midnight. Seas 9 to 16 ft. Rain and snow.
.WED...SE wind 25 to 40 kt becoming S 15 to 25 kt in the
afternoon. Seas 11 to 17 ft. Rain and snow.
.WED NIGHT...SE wind 15 to 30 kt. Seas 10 to 13 ft.
.THU...S wind 25 to 40 kt. Seas 10 to 18 ft.
.FRI THROUGH SAT...SW wind 35 to 50 kt. Seas 15 to 30 ft.

$$

PKZ414-080145-
Bering Sea Offshore East of 171W-
328 AM AKST Tue Jan 7 2020

...GALE WARNING WEDNESDAY...
...HEAVY FREEZING SPRAY WARNING TONIGHT AND WEDNESDAY...

.TODAY...E wind 15 to 30 kt. Seas 4 to 9 ft. Heavy freezing spray
north of the Pribilof Islands. Snow.
.TONIGHT...E wind 15 to 30 kt. Seas 5 to 10 ft. Heavy freezing
spray north of the Pribilof Islands.
.WED...E wind 20 to 35 kt. Seas 8 to 13 ft. Heavy freezing spray.
Snow and rain north of the Pribilof Islands.
.WED NIGHT...SE wind 20 to 35 kt. Seas 8 to 13 ft.
.THU THROUGH SAT...SW wind 25 to 40 kt. Seas 10 to 18 ft.

$$

562 
FZAK62 PAFC 080010
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
310 PM AKST Tue Jan 7 2020

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-081400-
310 PM AKST Tue Jan 7 2020
.SYNOPSIS FOR CENTRAL BERING SEA...

Two 971 mb North Pacific lows merge to form a 966 mb low at 51N 177E
Wed afternoon then shifts to 55N 168E at 979 mb Thu afternoon. A 966
mb North Pacific low moves to 47N 172E Thu afternoon.

$$

PKZ411-081400-
Bering Sea Offshore West of 180 and East of the International
Dateline-
310 PM AKST Tue Jan 7 2020

...GALE WARNING THROUGH WEDNESDAY...

.TONIGHT...E wind 20 to 30 kt increasing to 30 to 40 kt after
midnight. Seas 12 to 20 ft. Rain and snow.
.WED...E wind 30 to 45 kt. Seas 16 to 24 ft. Snow and rain.
.WED NIGHT...E wind 10 to 25 kt. Seas 14 to 22 ft.
.THU...S wind 10 to 25 kt. Seas 11 to 15 ft.
.THU NIGHT...SE wind 20 to 35 kt. Seas 10 to 13 ft.
.FRI...SE wind 30 to 45 kt. Seas 14 to 29 ft.
.SAT...SW wind 35 to 50 kt. Seas 18 to 33 ft.
.SUN...SW wind 20 to 35 kt. Seas 11 to 19 ft.

$$

PKZ412-081400-
Bering Sea Offshore 171W to 180 and North of 56N-
310 PM AKST Tue Jan 7 2020

...GALE WARNING THROUGH WEDNESDAY NIGHT...

.TONIGHT...E wind 20 to 30 kt increasing to 25 to 40 kt after
midnight. Seas 9 to 16 ft. Freezing spray.
.WED...E wind 25 to 40 kt. Seas 13 to 21 ft. Freezing spray. Snow.
.WED NIGHT...SE wind 20 to 35 kt becoming E after midnight. Seas
12 to 20 ft. Snow.
.THU...SE wind 15 to 30 kt. Seas 10 to 14 ft.
.THU NIGHT...S wind 20 to 35 kt. Seas 10 to 13 ft.
.FRI...S wind 20 to 35 kt. Seas 15 to 23 ft.
.SAT...S wind 30 to 45 kt. Seas 23 to 35 ft.
.SUN...SW wind 25 to 40 kt. Seas 15 to 25 ft.

$$

PKZ413-081400-
Bering Sea Offshore 171W to 180 and South of 56N-
310 PM AKST Tue Jan 7 2020

...GALE WARNING THROUGH WEDNESDAY...

.TONIGHT...E wind 15 to 30 kt increasing to 25 to 40 kt after
midnight. Seas 10 to 18 ft. Rain.
.WED...SE wind 25 to 40 kt diminishing to 15 to 25 kt in the
afternoon. Seas 11 to 19 ft. Rain and snow.
.WED NIGHT...SE wind 20 to 30 kt. Seas 10 to 14 ft. Rain and snow 
showers.
.THU...SW wind 20 to 30 kt. Seas 11 to 15 ft.
.THU NIGHT...SE wind 25 to 40 kt. Seas 11 to 15 ft.
.FRI...S wind 30 to 40 kt. Seas 13 to 27 ft.
.SAT...SW wind 35 to 50 kt. Seas 22 to 30 ft.
.SUN...SW wind 15 to 30 kt. Seas 13 to 21 ft.

$$

PKZ414-081400-
Bering Sea Offshore East of 171W-
310 PM AKST Tue Jan 7 2020

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH WEDNESDAY...

.TONIGHT...E wind 15 to 30 kt. Seas 5 to 9 ft. Heavy freezing spray
northeast of the Pribilof Islands.
.WED...E wind 20 to 35 kt. Seas 8 to 13 ft. Heavy freezing spray
northeast of the Pribilof Islands. Rain and snow southwest of
Pribilof Islands.
.WED NIGHT...SE wind 20 to 35 kt. Seas 9 to 14 ft. Snow.
.THU...SE wind 10 to 25 kt. Seas 6 to 11 ft.
.THU NIGHT...SW wind 15 to 30 kt. Seas 7 to 12 ft.
.FRI THROUGH SUN...SW wind 25 to 40 kt. Seas 11 to 19 ft.

$$

720 
FZAK62 PAFC 081229
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
329 AM AKST Wed Jan 8 2020

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-090215-
329 AM AKST Wed Jan 8 2020
.SYNOPSIS FOR CENTRAL BERING SEA...

A 964 mb low at 48N 173E will move to 54N 180 at 973 mb Thu
morning before weakening as it moves north through Thu. A 966 mb
North Pacific low will move to Shemya at 961 mb Fri morning.

$$

PKZ411-090215-
Bering Sea Offshore West of 180 and East of the International
Dateline-
329 AM AKST Wed Jan 8 2020

...GALE WARNING THROUGH TONIGHT...

.TODAY...E wind 30 to 45 kt. Seas 16 to 25 ft. Snow and rain.
.TONIGHT...E wind 20 to 35 kt diminishing to 10 to 25 kt after
midnight. Seas 14 to 22 ft.
.THU...S wind 15 to 30 kt. Seas 13 to 16 ft. Rain and snow showers.
.THU NIGHT...SE wind 20 to 35 kt. Seas 10 to 16 ft.
.FRI...SE wind 35 to 50 kt. Seas 14 to 29 ft.
.SAT...SW wind 35 to 50 kt. Seas 18 to 33 ft.
.SUN...SW wind 20 to 35 kt. Seas 11 to 19 ft.

$$

PKZ412-090215-
Bering Sea Offshore 171W to 180 and North of 56N-
329 AM AKST Wed Jan 8 2020

...GALE WARNING THROUGH TONIGHT...

.TODAY...E wind 30 to 45 kt. Seas 13 to 21 ft. Heavy freezing spray 
in the morning. Snow and rain.
.TONIGHT...E wind 25 to 40 kt diminishing to 20 to 30 kt after
midnight. Seas 13 to 21 ft. Snow and rain showers.
.THU...S wind 20 to 30 kt. Seas 10 to 16 ft. Rain and snow showers.
.THU NIGHT...S wind 20 to 35 kt. Seas 10 to 15 ft.
.FRI...S wind 20 to 35 kt. Seas 16 to 24 ft.
.SAT...S wind 30 to 45 kt. Seas 20 to 35 ft.
.SUN...SW wind 25 to 40 kt. Seas 15 to 25 ft.

$$

PKZ413-090215-
Bering Sea Offshore 171W to 180 and South of 56N-
329 AM AKST Wed Jan 8 2020

...GALE WARNING TODAY AND THURSDAY...

.TODAY...E wind 30 to 45 kt becoming SE 15 to 30 kt in the
afternoon. Seas 12 to 20 ft. Rain and snow.
.TONIGHT...SE wind 20 to 30 kt. Seas 11 to 14 ft.
.THU...SW wind 20 to 35 kt becoming 30 kt in the afternoon. 
Seas 11 to 18 ft.
.THU NIGHT...SE wind 25 to 40 kt. Seas 12 to 18 ft.
.FRI THROUGH SAT...SW wind 35 to 50 kt. Seas 17 to 30 ft.
.SUN...SW wind 15 to 30 kt. Seas 13 to 21 ft.

$$

PKZ414-090215-
Bering Sea Offshore East of 171W-
329 AM AKST Wed Jan 8 2020

...GALE WARNING THROUGH TONIGHT...
...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...E wind 20 to 35 kt. Seas 8 to 13 ft. Heavy freezing
spray north of the Pribilofs. Snow and rain.
.TONIGHT...SE wind 20 to 35 kt. Seas 9 to 14 ft. Freezing spray 
north of the Pribilofs. Snow.
.THU...S wind 10 to 25 kt. Seas 5 to 10 ft. 
.THU NIGHT...SW wind 15 to 30 kt. Seas 6 to 11 ft.
.FRI THROUGH SUN...SW wind 25 to 40 kt. Seas 11 to 19 ft.

$$

254 
FZAK62 PAFC 082356
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
256 PM AKST Wed Jan 8 2020

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-091400-
256 PM AKST Wed Jan 8 2020
.SYNOPSIS FOR CENTRAL BERING SEA...

Two 972 mb lows at 50N 178E and 53N 171E merge to form a 974 mb
low at 52N 165E Thu afternoon. A 968 mb North Pacific low merges
with the 974 mb low and become a 955 mb low at 55N 173E for Fri
afternoon. Its front pushes across the Bering and Alaska Peninsula
through Fri afternoon.

$$

PKZ411-091400-
Bering Sea Offshore West of 180 and East of the International
Dateline-
256 PM AKST Wed Jan 8 2020

...GALE WARNING TONIGHT AND THURSDAY NIGHT...

.TONIGHT...E wind 25 to 40 kt diminishing to 15 to 30 kt after
midnight. Seas 14 to 22 ft.
.THU...S wind 15 to 30 kt. Seas 12 to 15 ft.
.THU NIGHT...E wind 25 to 40 kt. Seas 12 to 16 ft. Rain and snow.
.FRI...S wind 30 to 45 kt. Seas 15 to 26 ft.
.FRI NIGHT...S wind 35 to 50 kt. Seas 21 to 35 ft.
.SAT...SW wind 30 to 45 kt. Seas 19 to 34 ft.
.SUN...SW wind 15 to 30 kt. Seas 9 to 17 ft.
.MON...S wind 20 to 35 kt. Seas 8 to 13 ft.

$$

PKZ412-091400-
Bering Sea Offshore 171W to 180 and North of 56N-
256 PM AKST Wed Jan 8 2020

...GALE WARNING TONIGHT AND THURSDAY NIGHT...

.TONIGHT...SE wind 25 to 40 kt diminishing to 15 to 30 kt after
midnight. Seas 13 to 21 ft.
.THU...SE wind 15 to 30 kt. Seas 11 to 15 ft. Snow showers.
.THU NIGHT...S wind 25 kt becoming SE 30 to 45 kt after midnight.
Seas 11 to 16 ft.
.FRI...S wind 30 to 45 kt. Seas 14 to 20 ft.
.FRI NIGHT...S wind 25 to 40 kt. Seas 16 to 29 ft.
.SAT...S wind 25 to 40 kt. Seas 19 to 30 ft.
.SUN...SW wind 15 to 30 kt. Seas 13 to 20 ft.
.MON...SW wind up to 15 kt. Seas 5 to 10 ft.

$$

PKZ413-091400-
Bering Sea Offshore 171W to 180 and South of 56N-
256 PM AKST Wed Jan 8 2020

...GALE WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...SE wind 15 to 30 kt. Seas 12 ft.
.THU...SW wind 20 to 35 kt. Seas 10 to 15 ft.
.THU NIGHT...SE wind 25 to 40 kt increasing to 35 to 45 kt after
midnight. Seas 11 to 17 ft. Rain.
.FRI...S wind 30 to 45 kt. Seas 17 to 26 ft.
.FRI NIGHT...S wind 30 to 45 kt. Seas 18 to 28 ft.
.SAT...SW wind 20 to 35 kt. Seas 16 to 26 ft.
.SUN...SW wind 10 to 25 kt. Seas 10 to 17 ft.
.MON...SW wind up to 20 kt. Seas 5 to 9 ft.

$$

PKZ414-091400-
Bering Sea Offshore East of 171W-
256 PM AKST Wed Jan 8 2020

...GALE WARNING TONIGHT AND THURSDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING TONIGHT...

.TONIGHT...SE wind 25 to 40 kt diminishing to 15 to 30 kt after
midnight. Seas 9 to 14 ft. Heavy freezing spray. Snow.
.THU...S wind 10 to 25 kt. Seas 5 to 10 ft.
.THU NIGHT...SW wind 10 to 20 kt becoming S 25 to 40 kt after
midnight. Seas 6 to 11 ft.
.FRI...S wind 25 to 40 kt. Seas 9 to 14 ft.
.FRI NIGHT...SW wind 20 to 30 kt. Seas 10 to 16 ft.
.SAT...S wind 10 to 25 kt. Seas 10 to 16 ft.
.SUN...SW wind 10 to 25 kt. Seas 10 to 14 ft.
.MON...NW wind up to 15 kt. Seas 6 to 10 ft.

$$

544 
FZAK62 PAFC 091226
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
326 AM AKST Thu Jan 9 2020

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-100215-
326 AM AKST Thu Jan 9 2020
.SYNOPSIS FOR CENTRAL BERING SEA...

A 977 mb low at 54N 173E moves to 53N 164E by Thu afternoon. Its 
front sweeps across the eastern Bering and dissipates along the 
southwest coast by Fri morning. A 965 mb North Pacific low moves 
to 53N 176E at 962 mb by Fri morning then to 58N 173E at 952 mb by
Sat morning. Its front sweeps across the Bering Sea and Aleutian 
Chain through Fri morning then moves inland by Sat morning.

$$

PKZ411-100215-
Bering Sea Offshore West of 180 and East of the International
Dateline-
326 AM AKST Thu Jan 9 2020

...STORM WARNING FRIDAY...

.TODAY...S wind 10 to 25 kt. Seas 11 to 15 ft.
.TONIGHT...E wind 25 to 40 kt. Seas 10 to 15 ft. Rain and snow.
.FRI...E wind 35 to 50 kt becoming S in the afternoon. Seas 
16 to 24 ft. Rain.
.FRI NIGHT...SW wind 35 to 50 kt. Seas 20 to 35 ft.
.SAT...SW wind 30 to 45 kt. Seas 17 to 32 ft.
.SUN...SW wind 15 to 30 kt. Seas 11 to 19 ft.
.MON...S wind 20 to 35 kt. Seas 8 to 13 ft.

$$

PKZ412-100215-
Bering Sea Offshore 171W to 180 and North of 56N-
326 AM AKST Thu Jan 9 2020

...GALE WARNING TONIGHT AND FRIDAY...

.TODAY...SE wind 15 to 30 kt. Seas 10 to 15 ft.
.TONIGHT...SE wind 25 to 40 kt. Seas 11 to 15 ft. 
Widespread rain showers.
.FRI...S wind 30 to 45 kt. Seas 14 to 22 ft. Rain.
.FRI NIGHT...S wind 30 to 40 kt. Seas 19 to 29 ft.
.SAT...SW wind 25 to 40 kt. Seas 19 to 30 ft.
.SUN...SW wind 20 to 35 kt. Seas 15 to 23 ft.
.MON...SW wind up to 15 kt. Seas 5 to 10 ft.

$$

PKZ413-100215-
Bering Sea Offshore 171W to 180 and South of 56N-
326 AM AKST Thu Jan 9 2020

...GALE WARNING THROUGH FRIDAY...

.TODAY...SW wind 20 to 35 kt. Seas 10 to 15 ft.
.TONIGHT...SE wind 30 to 45 kt. Seas 11 to 17 ft. Rain.
.FRI...SW wind 30 to 45 kt. Seas 17 to 27 ft. Rain.
.FRI NIGHT...S wind 30 to 45 kt. Seas 18 to 28 ft.
.SAT...SW wind 20 to 35 kt. Seas 15 to 26 ft.
.SUN...SW wind 15 to 30 kt. Seas 11 to 19 ft.
.MON...SW wind up to 20 kt. Seas 5 to 9 ft.

$$

PKZ414-100215-
Bering Sea Offshore East of 171W-
326 AM AKST Thu Jan 9 2020

...GALE WARNING TONIGHT AND FRIDAY...

.TODAY...SE wind 10 to 25 kt. Seas 5 to 10 ft. Freezing spray in the
morning north of the Pribilofs. 
.TONIGHT...S wind 10 to 20 kt increasing to 25 to 40 kt after
midnight. Seas 6 to 11 ft.
.FRI...S wind 25 to 40 kt. Seas 10 to 18 ft. Rain and snow.
.FRI NIGHT...SW wind 20 to 30 kt. Seas 10 to 18 ft.
.SAT...S wind 10 to 25 kt. Seas 10 to 16 ft.
.SUN...SW wind 10 to 25 kt. Seas 10 to 15 ft.
.MON...NW wind up to 15 kt. Seas 6 to 10 ft.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
406 PM AKST Sat Jan 4 2020

.ANALYSIS AND UPPER LEVELS...
Arctic air is firmly entrenched across the southern mainland of
Alaska, with sub-zero temperatures this morning for all but the
Gulf coast. A low complex is exiting eastward across the southern
Gulf. A trailing upper level short-wave extends from a low center
over the Susitna Valley southward across the western Gulf. There
is a surface trough just ahead of the upper trough along which is
a narrow band of snow. As the upper trough progresses eastward,
moisture and snow is being pulled northward into Prince William
Sound. Tight surface pressure gradients between general low
pressure over the Gulf and higher pressure inland are leading
to gap winds along the coast; particularly for Resurrection Bay,
Passage Canal, Thompson Pass, Valdez Narrows, and Valdez Arm.
There are some localized areas of fog across the region, most
notably in Anchorage and vicinity.

For the Bering Sea region, a closed low and short-wave in the
vicinity of the Pribilof Islands are tracking eastward toward
the Southwest coast. These weak features are producing light
snow showers and locally gusty winds. Zonal upper level flow
along the Aleutians is driving a weak surface low eastward across
the central to eastern Aleutian Islands. Snow (mixed with rain
in some areas) is spreading north and east with the low center.

&&

.MODEL DISCUSSION...
Models are in better agreement with more aggressively spreading
snow northward from the Gulf across eastern Prince William Sound
and into the Copper River Basin. There are still some key
differences in QPF/Snow Amounts, as would be expected with banded
snow and the eventual interaction with mountains. With higher
confidence that it will snow and there will be some localized
areas of heavy snow, will generally increase snow amounts.

Models continue to struggle with track of surface low currently
along the Aleutians and interaction with the trough and low over
the eastern Bering Sea. There is a fairly big spread in solutions
from north to south as the low crosses Bristol Bay and moves into
the Gulf. Will continue to go with a middle ground solution, but
up snowfall probability and accumulation where models overlap and
where there is high confidence.

Forecast confidence is much higher with development of deep low
over the Northwest Pacific Monday and associated occluded front
crossing the Aleutians. Thus, will continue to fine-tune the
forecast using the latest guidance. Solutions diverge again with
depth and track of a triple point low Monday night/Tuesday in the
vicinity of the eastern Aleutians. Will largely stick close to
inherited forecast until get a better idea on how significant this
low will be.

&&

.AVIATION...
PANC...Areas of fog have set up in Anchorage and there is nothing
in store to get rid of it. The challenge will be in determining
when and for how long fog will sit over the terminal. Will rely
heavily on trends in observations across the city to aid in the
forecast process. Sufficed to say, confidence in the visibility
at any specific time is low, especially beyond the first few hours
of the TAF.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3)...
A low moving into Prince William Sound enhanced by an upper level
trough will bring snow overnight into Sunday morning to the
Valdez/Cordova area. As such, the original Wind Chill Advisory for
Thompson Pass has been cancelled and a Winter Weather Advisory
for blowing snow has been issued in its place. However, despite
the additional cloud cover, wind chills will remain very cold,
approaching -35 in Thompson Pass. Light snow will continue
through much of Sunday. Uncertainty exists regarding a low
approaching the same area on Monday, however another round of snow
appears likely. Temperatures will remain well below average for
the foreseeable future with patchy fog again possible across
Southcentral Sunday morning.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)...
Cloud cover moving in over the Kuskokwim Delta overnight will
help keep temperatures warmer than previous nights, but will still
see see cold temperatures. Meanwhile, cloud cover will also
return to the Alaska Peninsula and Bristol Bay ahead of a low that
will cross over these areas by Sunday afternoon. This low will
bring an increased chance of snowfall to the Alaska Peninsula
starting tonight through Sunday evening when the low moves into
the Gulf. There is still a bit of uncertainty with the exact track
of the low, but areas across interior Bristol Bay could possibly
see light snow accumulations through Sunday evening. After the low
moves out of the area, chances for snow diminish heading into the
beginning of the week.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...
A weak low over the central Aleutians, centered between Adak and
Dutch Harbor this afternoon, will quickly track eastward over the
Alaska Peninsula through Sunday afternoon. Increased winds and
chances for snow will accompany this feature over the next day. A
second weak low near the Pribilofs will keep chances for snow
showers over much of the central and eastern Bering until it
merges with the first low over the Alaska Peninsula on Sunday.

The next big system moves over the western Aleutians and Bering
Sunday night into Monday morning. This front will bring a brief
period of storm force winds Sunday afternoon, weakening to gales
as the front continues to move eastward over the central Aleutians
through Monday afternoon.

&&

.MARINE (Days 3 through 5)...
The main impacts Tuesday through Thursday will be across the
Bering as an upper level low sends several fronts northward. The
first front pushing north across the western Bering on Monday is
followed by the next system Tuesday morning. This second system
will be a gale force system that tracks slowly north, with the low
center crossing to the Bering just west of Shemya Wednesday
evening. There is still high uncertainty for the following storm
developing over the North Pacific on Thursday which could bring a
gale to storm force front to the western half of the Aleutians by
Thursday afternoon.

&&

.LONG TERM FORECAST (Days 3 through 7)...
Monday night through Wednesday afternoon is expected stay mainly
dry and cold for the southern mainland as a surface ridge remains
dominant across the interior. Although coastal areas could see
light snow at times with fronts diminishing just offshore. Meanwhile,
the active pattern continues across the Bering with a parent low
just south of the western Aleutian Chain late Monday, lifting to
the Northern Bering waters Thursday night. This system is followed
by yet another storm system moving toward the southern Bering
Thursday night. The extended forecast this afternoon will be
updated with a blend of the operational models and ensemble
solutions which are in fairly good agreement with storm momentum.
Winds are going to mainly be gale force with the next several
systems, with the next gale system for the Gulf expected next
Thursday and Friday.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...Gale Warning 177 178.
 Heavy Freezing Spray 121 127 129 130 139 160 180 185.
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...SB
SOUTHCENTRAL ALASKA...AP
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...AH
MARINE/LONG TERM...KH