Alert archive / Alaska / Gale Warnings in 2017

Gale Warning 116, NWS Anchorage, AK

February 19, 2017

NWS Anchorage, AK issued this gale warning at Feb 19, 2017, 3:29 AM AKST. It was in force for 6 days. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 19, 2017, 3:29 AM AKST (12:29 UTC)
Expired
Feb 25, 2017, 3:07 PM AKST
In force
6 days
Issued by
NWS Anchorage, AK

The text

As transmitted.

974 
FZAK62 PAFC 191229
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
329 AM AKST SUN FEB 19 2017

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.

PKZ499-200200-
329 AM AKST SUN FEB 19 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A FRONT OVER THE
WESTERN BERING MOVES INTO THE CENTRAL BERING BY SUN
AFTERNOON...THEN TO THE EASTERN BERING LATE MON NIGHT. A 968 MB
LOW NEAR 46N 173E SUN AFTERNOON MOVES TO 53N 174E AT 949 MB MON
MORNING...THEN MOVES TO 55N 168E AT 958 MB LATE MON NIGHT. ANOTHER
NORTH PACIFIC LOW APPROACHES THE WESTERN ALEUTIANS LATE MON NIGHT.

$$

PKZ411-200200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
329 AM AKST SUN FEB 19 2017

...STORM WARNING TONIGHT AND MONDAY...

.TODAY...SE WIND 15 TO 30 KT. SEAS 7 TO 12 FT. FREEZING SPRAY.
.TONIGHT...E WIND 25 TO 40 KT INCREASING TO 45 TO 60 KT AFTER
MIDNIGHT. SEAS 10 TO 15 FT BUILDING TO 14 TO 29 FT AFTER MIDNIGHT.
SNOW AND RAIN.
.MON...E WIND 45 TO 60 KT. SEAS 20 TO 35 FT. RAIN AND SNOW.
.MON NIGHT...SE WIND 35 TO 50 KT. SEAS 22 TO 32 FT.
.TUE...SE WIND 30 TO 45 KT. SEAS 18 TO 25 FT.
.WED...SE WIND 15 TO 30 KT. SEAS 16 TO 21 FT.
.THU...S WIND 15 TO 30 KT. SEAS 14 TO 17 FT.

$$

PKZ412-200200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
329 AM AKST SUN FEB 19 2017

...STORM WARNING MONDAY...

.TODAY...E WIND 10 TO 20 KT. SEAS 3 FT.
.TONIGHT...E WIND 10 TO 25 KT INCREASING TO 25 TO 40 KT AFTER
MIDNIGHT. SEAS 4 TO 9 FT. FREEZING SPRAY.
.MON...E WIND 35 TO 50 KT. SEAS 8 TO 13 FT BUILDING TO 11 TO 19 FT
IN THE AFTERNOON. FREEZING SPRAY. SNOW.
.MON NIGHT...E WIND 30 TO 45 KT. SEAS 14 TO 22 FT.
.TUE...E WIND 30 TO 45 KT. SEAS 14 TO 22 FT.
.WED THROUGH THU...S WIND 20 TO 30 KT. SEAS 13 TO 21 FT.

$$

PKZ413-200200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
329 AM AKST SUN FEB 19 2017

...STORM WARNING TONIGHT AND MONDAY...

.TODAY...SE WIND 15 TO 30 KT. SEAS 3 TO 8 FT. FREEZING SPRAY.
.TONIGHT...SE WIND 25 TO 40 KT BECOMING E 40 TO 55 KT AFTER
MIDNIGHT. SEAS 5 TO 10 FT BUILDING TO 9 TO 17 FT AFTER MIDNIGHT.
FREEZING SPRAY. SNOW.
.MON...SE WIND 40 TO 55 KT DIMINISHING TO 30 TO 45 KT IN THE
AFTERNOON. SEAS 14 TO 22 FT. SNOW.
.MON NIGHT...S WIND 20 TO 35 KT. SEAS 14 TO 22 FT.
.TUE THROUGH THU...S WIND 20 TO 35 KT. SEAS 12 TO 20 FT.

$$

PKZ414-200200-
BERING SEA OFFSHORE EAST OF 171W-
329 AM AKST SUN FEB 19 2017

...GALE WARNING MONDAY...

.TODAY...N WIND 10 TO 15 KT. SEAS IN ICE FREE WATERS 0 TO 4 FT.
.TONIGHT...NE WIND 10 KT BECOMING E AFTER MIDNIGHT. SEAS IN ICE
FREE WATERS 0 TO 3 FT.
.MON...E WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 3 TO 8 FT.
FREEZING SPRAY.
.MON NIGHT...E WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 6 TO 11
FT.
.TUE THROUGH THU...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 5
TO 10 FT.

$$
14 follow-up statements
053 
FZAK62 PAFC 200048
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
348 PM AKST SUN FEB 19 2017

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.

PKZ499-201400-
348 PM AKST SUN FEB 19 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 968 MB NORTH
PACIFIC LOW MOVES TO 53N 174E AT 953 MB MON MORNING CONTINUING TO
53N 163E AT 962 MB BY TUE AFTERNOON. THE ASSOCIATED FRONT PUSHES
TO THE ALASKA PENINSULA BY TUE AFTERNOON. A 965 MB NORTH PACIFIC
LOW MOVES TO 53N 171E AT 954 MB TUE AFTERNOON. ITS ASSOCIATED
FRONT SWEEPS TO THE CENTRAL ALEUTIANS BY TUE AFTERNOON.

$$

PKZ411-201400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
348 PM AKST SUN FEB 19 2017

...STORM WARNING THROUGH MONDAY NIGHT...

.TONIGHT...E WIND 30 TO 45 KT INCREASING TO 45 TO 60 KT AFTER
MIDNIGHT. SEAS 10 TO 16 FT BUILDING TO 17 TO 28 FT. SNOW AND
RAIN.
.MON...E WIND 45 TO 60 KT. SEAS 22 TO 34 FT. SNOW AND RAIN.
.MON NIGHT...SE WIND 35 TO 50 KT. SEAS 20 TO 31 FT. SNOW.
.TUE...SE WIND 25 TO 40 KT. SEAS 17 TO 24 FT.
.TUE NIGHT...SE WIND 30 TO 45 KT. SEAS 17 TO 24 FT.
.WED THROUGH FRI...SE WIND 25 TO 40 KT. SEAS 15 TO 23 FT.

$$

PKZ412-201400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
348 PM AKST SUN FEB 19 2017

...STORM WARNING MONDAY...
...HEAVY FREEZING SPRAY WARNING MONDAY AND MONDAY NIGHT...

.TONIGHT...E WIND 10 TO 25 KT INCREASING TO 25 TO 40 KT AFTER
MIDNIGHT. SEAS 4 TO 9 FT. FREEZING SPRAY.
.MON...E WIND 35 TO 50 KT. SEAS 8 TO 13 FT BUILDING TO 11 TO 19 FT
IN THE AFTERNOON. HEAVY FREEZING SPRAY E OF 175W. SNOW.
.MON NIGHT...E WIND 30 TO 45 KT. SEAS 15 TO 23 FT. HEAVY FREEZING
SPRAY N OF 57N. SNOW.
.TUE...SE WIND 25 TO 40 KT. SEAS 16 TO 24 FT.
.TUE NIGHT...E WIND 25 TO 40 KT. SEAS 13 TO 20 FT.
.WED THROUGH FRI...S WIND 20 TO 35 KT. SEAS 13 TO 20 FT.

$$

PKZ413-201400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
348 PM AKST SUN FEB 19 2017

...STORM WARNING THROUGH MONDAY...

.TONIGHT...SE WIND 25 TO 40 KT BECOMING E 40 TO 55 KT AFTER
MIDNIGHT. SEAS 5 TO 10 FT BUILDING TO 8 TO 16 FT. FREEZING SPRAY.
SNOW.
.MON...SE WIND 35 TO 50 KT. SEAS 14 TO 22 FT. SNOW AND RAIN.
.MON NIGHT...SE WIND 25 TO 40 KT BECOMING S 10 TO 25 KT AFTER
MIDNIGHT. SEAS 13 TO 20 FT. SNOW.
.TUE...S WIND 20 TO 35 KT. SEAS 12 TO 18 FT.
.TUE NIGHT...S WIND 25 TO 35 KT. SEAS 13 TO 20 FT.
.WED THROUGH FRI...S WIND 25 TO 40 KT. SEAS 13 TO 21 FT.

$$

PKZ414-201400-
BERING SEA OFFSHORE EAST OF 171W-
348 PM AKST SUN FEB 19 2017

...GALE WARNING MONDAY AND MONDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING MONDAY NIGHT...

.TONIGHT...VARIABLE WIND 10 KT BECOMING E AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 1 TO 3 FT. FREEZING SPRAY.
.MON...E WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 3 TO 8 FT.
FREEZING SPRAY.
.MON NIGHT...E WIND 30 TO 45 KT. SEAS IN ICE FREE WATERS 6 TO 11
FT. HEAVY FREEZING SPRAY N OF 56N. SNOW.
.TUE...SE WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
.TUE NIGHT...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 5 TO 10
FT.
.WED THROUGH FRI...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 5
TO
10 FT.

$$
516 
FZAK62 PAFC 201217
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
317 AM AKST MON FEB 20 2017

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.

PKZ499-210230-
317 AM AKST MON FEB 20 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 956 MB LOW NEAR 51N
175E MOVES TO 54N 169E AT 964 MB LATE TONIGHT...THEN IS ABSORBED.
AN ASSOCIATED FRONT OVER THE CENTRAL BERING MOVES TO THE EASTERN
BERING LATE TONIGHT...THEN MOVES INTO MAINLAND ALASKA. ANOTHER
LOW NEAR 45N 165E TUE MORNING MOVES TO 53N 168E AT 948 MB LATE TUE
NIGHT.

$$

PKZ411-210230-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
317 AM AKST MON FEB 20 2017

...HURRICANE FORCE WIND WARNING TODAY...

.TODAY...E WIND 55 TO 70 KT DIMINISHING TO 40 TO 55 KT IN THE
AFTERNOON. SEAS 19 TO 33 FT. SNOW AND RAIN.
.TONIGHT...SE WIND 35 TO 50 KT. SEAS 20 TO 30 FT. SNOW.
.TUE...SE WIND 25 TO 40 KT. SEAS 17 TO 24 FT. RAIN.
.TUE NIGHT...SE WIND 30 TO 45 KT. SEAS 16 TO 24 FT.
.WED THROUGH FRI...SE WIND 30 TO 45 KT. SEAS 16 TO 27 FT.

$$

PKZ412-210230-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
317 AM AKST MON FEB 20 2017

...STORM WARNING TODAY...
...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY...

.TODAY...E WIND 35 TO 50 KT. SEAS 11 TO 19 FT. HEAVY FREEZING
SPRAY. SNOW.
.TONIGHT...E WIND 30 TO 45 KT. SEAS 15 TO 23 FT. HEAVY FREEZING
SPRAY. SNOW.
.TUE...E WIND 30 TO 45 KT BECOMING S 20 IN THE AFTERNOON S OF 57N.
SEAS 15 TO 23 FT. HEAVY FREEZING SPRAY. SNOW.
.TUE NIGHT...E WIND 25 TO 40 KT. SEAS 14 TO 22 FT.
.WED THROUGH FRI...S WIND 25 TO 40 KT. SEAS 15 TO 23 FT.

$$

PKZ413-210230-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
317 AM AKST MON FEB 20 2017

...STORM WARNING TODAY...

.TODAY...SE WIND 40 TO 55 KT DIMINISHING TO 30 TO 45 KT IN THE
AFTERNOON. SEAS 14 TO 22 FT. SNOW AND RAIN.
.TONIGHT...S WIND 20 KT BECOMING SW 15 TO 25 KT AFTER MIDNIGHT. N
OF 55N...E WIND 35 KT IN THE EVENING. SEAS 13 TO 20 FT. SNOW.
.TUE...SW WIND 15 TO 25 KT BECOMING S 20 TO 35 KT IN THE
AFTERNOON. SEAS 13 TO 18 FT. SNOW.
.TUE NIGHT...S WIND 25 TO 40 KT. SEAS 13 TO 18 FT.
.WED THROUGH FRI...S WIND 30 TO 45 KT. SEAS 13 TO 27 FT.

$$

PKZ414-210230-
BERING SEA OFFSHORE EAST OF 171W-
317 AM AKST MON FEB 20 2017

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

.TODAY...E WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 3 TO 8 FT.
FREEZING SPRAY.
.TONIGHT...E WIND 30 TO 45 KT. SEAS IN ICE FREE WATERS 6 TO 11 FT.
HEAVY FREEZING SPRAY. SNOW.
.TUE...SE WIND 25 TO 40 KT BECOMING SW 15 TO 30 KT IN THE
AFTERNOON. SEAS IN ICE FREE WATERS 5 TO 10 FT. SNOW.
.TUE NIGHT...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 5 TO 10
FT.
.WED THROUGH FRI...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 6
TO 11 FT.

$$
075 
FZAK62 PAFC 201826 AAA
OFFALU

OFFSHORE WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE ANCHORAGE AK
926 AM AKST MON FEB 20 2017

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.

PKZ499-210415-
926 AM AKST MON FEB 20 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 956 MB LOW NEAR 51N
175E MOVES TO 54N 169E AT 964 MB LATE TONIGHT...THEN IS ABSORBED.
AN ASSOCIATED FRONT OVER THE CENTRAL BERING MOVES TO THE EASTERN
BERING LATE TONIGHT...THEN MOVES INTO MAINLAND ALASKA. ANOTHER
LOW NEAR 45N 165E TUE MORNING MOVES TO 53N 168E AT 948 MB LATE TUE
NIGHT.

$$

PKZ411-210415-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
926 AM AKST MON FEB 20 2017

...HURRICANE FORCE WIND WARNING TODAY...

.TODAY...E WIND 55 TO 70 KT WITH GUSTS TO 90 KT. WIND DIMINISHING
TO 40 TO 55 KT IN THE AFTERNOON. SEAS 19 TO 33 FT. SNOW AND RAIN.
.TONIGHT...SE WIND 35 TO 50 KT. SEAS 20 TO 30 FT. SNOW. 
.TUE...SE WIND 25 TO 40 KT. SEAS 17 TO 24 FT. RAIN. 
.TUE NIGHT...SE WIND 30 TO 45 KT. SEAS 16 TO 24 FT. 
.WED THROUGH FRI...SE WIND 30 TO 45 KT. SEAS 16 TO 27 FT.

$$

PKZ412-210415-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
926 AM AKST MON FEB 20 2017

...STORM WARNING TODAY...
...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY...

.TODAY...E WIND 35 TO 50 KT. SEAS 11 TO 19 FT. HEAVY FREEZING
SPRAY. SNOW. 
.TONIGHT...E WIND 30 TO 45 KT. SEAS 15 TO 23 FT. HEAVY FREEZING
SPRAY. SNOW. 
.TUE...E WIND 30 TO 45 KT BECOMING S 20 IN THE AFTERNOON S OF
57N. SEAS 15 TO 23 FT. HEAVY FREEZING SPRAY. SNOW. 
.TUE NIGHT...E WIND 25 TO 40 KT. SEAS 14 TO 22 FT. 
.WED THROUGH FRI...S WIND 25 TO 40 KT. SEAS 15 TO 23 FT.

$$

PKZ413-210415-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
926 AM AKST MON FEB 20 2017

...STORM WARNING TODAY...

.TODAY...SE WIND 40 TO 55 KT DIMINISHING TO 30 TO 45 KT IN THE
AFTERNOON. SEAS 14 TO 22 FT. SNOW AND RAIN. 
.TONIGHT...S WIND 20 KT BECOMING SW 15 TO 25 KT AFTER MIDNIGHT. N
OF 55N...E WIND 35 KT IN THE EVENING. SEAS 13 TO 20 FT. SNOW. 
.TUE...SW WIND 15 TO 25 KT BECOMING S 20 TO 35 KT IN THE
AFTERNOON. SEAS 13 TO 18 FT. SNOW. 
.TUE NIGHT...S WIND 25 TO 40 KT. SEAS 13 TO 18 FT. 
.WED THROUGH FRI...S WIND 30 TO 45 KT. SEAS 13 TO 27 FT.

$$

PKZ414-210415-
BERING SEA OFFSHORE EAST OF 171W-
926 AM AKST MON FEB 20 2017

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

.TODAY...E WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 3 TO 8 FT.
FREEZING SPRAY. 
.TONIGHT...E WIND 30 TO 45 KT. SEAS IN ICE FREE WATERS 6 TO
11 FT. HEAVY FREEZING SPRAY. SNOW. 
.TUE...SE WIND 25 TO 40 KT BECOMING SW 15 TO 30 KT IN THE
AFTERNOON. SEAS IN ICE FREE WATERS 5 TO 10 FT. SNOW. 
.TUE NIGHT...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 5 TO
10 FT. 
.WED THROUGH FRI...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS
6 TO 11 FT.

$$
546 
FZAK62 PAFC 210026
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
326 PM AKST MON FEB 20 2017

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.

PKZ499-211415-
326 PM AKST MON FEB 20 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 956 MB LOW AT 54N
173E WILL MOVE TO 53N 163E TUE...THEN MERGE WITH A 956 MB LOW
NEAR 53N 169E TUE EVENING. THIS LOW WILL THEN MOVE TO 54N 168E AT
954 MB WED AFTERNOON. AN ASSOCIATED FRONT OVER THE CENTRAL BERING
WILL MOVE ONSHORE OVER SOUTHWEST ALASKA TUE AFTERNOON.

$$

PKZ411-211415-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
326 PM AKST MON FEB 20 2017

...STORM WARNING TONIGHT AND TUESDAY NIGHT...

.TONIGHT...SE WIND 35 TO 50 KT. SEAS 20 TO 29 FT. SNOW WITH RAIN.
.TUE...SE WIND 25 TO 40 KT. SEAS 16 TO 23 FT. SNOW.
.TUE NIGHT...E WIND 35 TO 50 KT. SEAS 16 TO 25 FT. SNOW AND RAIN.
.WED...S WIND 30 TO 45 KT. SEAS 19 TO 24 FT.
.WED NIGHT...S WIND 30 TO 45 KT. SEAS 20 TO 29 FT.
.THU THROUGH FRI...SE WIND 30 TO 45 KT. SEAS 16 TO 27 FT.
.SAT...S WIND 25 TO 35 KT. SEAS 14 TO 22 FT.

$$

PKZ412-211415-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
326 PM AKST MON FEB 20 2017

...GALE WARNING THROUGH TUESDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...E WIND 30 TO 45 KT. SEAS 15 TO 23 FT. HEAVY FREEZING
SPRAY. SNOW.
.TUE...E WIND 30 TO 45 KT. SEAS 15 TO 23 FT. HEAVY FREEZING SPRAY
N OF 58N. SNOW.
.TUE NIGHT...E WIND 30 TO 45 KT. SEAS 12 TO 19 FT. HEAVY FREEZING
SPRAY N OF 58N. SNOW AND RAIN.
.WED...SE WIND 30 TO 45 KT. SEAS 12 TO 20 FT.
.WED NIGHT...S WIND 20 TO 30 KT. SEAS 16 TO 20 FT.
.THU THROUGH SAT...S WIND 25 TO 40 KT. SEAS 15 TO 27 FT.

$$

PKZ413-211415-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
326 PM AKST MON FEB 20 2017

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

.TONIGHT...S WIND 25 TO 40 KT BECOMING SW 10 TO 25 KT AFTER
MIDNIGHT. SEAS 13 TO 21 FT. SNOW.
.TUE...S WIND 15 TO 30 KT. SEAS 13 TO 18 FT.
.TUE NIGHT...SE WIND 20 TO 35 KT BECOMING S 30 TO 40 KT AFTER
MIDNIGHT. SEAS 13 TO 19 FT. RAIN.
.WED...S WIND 30 TO 40 KT. SEAS 16 TO 21 FT.
.WED NIGHT...S WIND 25 TO 40 KT. SEAS 13 TO 21 FT.
.THU THROUGH SAT...S WIND 30 TO 45 KT. SEAS 13 TO 27 FT.

$$

PKZ414-211415-
BERING SEA OFFSHORE EAST OF 171W-
326 PM AKST MON FEB 20 2017

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...E WIND 30 TO 45 KT. SEAS IN ICE FREE WATERS 6 TO 11 FT.
FREEZING SPRAY. SNOW.
.TUE...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
SNOW.
.TUE NIGHT...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 4 TO 9
FT.
.WED...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 7 TO 12 FT.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 7 TO 12
FT.
.THU THROUGH SAT...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 7
TO 12 FT.

$$
990 
FZAK62 PAFC 211253
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
353 AM AKST TUE FEB 21 2017

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.

PKZ499-220215-
353 AM AKST TUE FEB 21 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A FRONT OVER THE
EASTERN BERING WEAKENS AS IT MOVES INTO SOUTHWEST ALASKA THIS
AFTERNOON. A 964 MB LOW NEAR 49N 169E MIDDAY TODAY MOVES TO 53N
167E AT 947 MB EARLY WED MORNING...THEN MOVES TO 56N 170E AT 960
MB LATE WED NIGHT.

$$

PKZ411-220215-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
353 AM AKST TUE FEB 21 2017

...STORM WARNING TONIGHT...

.TODAY...SE WIND 25 TO 40 KT. SEAS 16 TO 23 FT.
.TONIGHT...SE WIND 35 TO 50 KT. SEAS 17 TO 23 FT. SNOW AND RAIN.
.WED...S WIND 30 TO 40 KT. SEAS 20 TO 25 FT.
.WED NIGHT...S WIND 30 TO 45 KT. SEAS 20 TO 29 FT.
.THU...S WIND 30 TO 45 KT. SEAS 17 TO 29 FT.
.FRI...SE WIND 25 TO 40 KT. SEAS 16 TO 30 FT.
.SAT...SW WIND 20 TO 35 KT. SEAS 15 TO 23 FT.

$$

PKZ412-220215-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
353 AM AKST TUE FEB 21 2017

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...E WIND 25 TO 40 KT. SEAS 14 TO 22 FT. FREEZING SPRAY.
.TONIGHT...E WIND 25 TO 40 KT. SEAS 12 TO 18 FT. FREEZING SPRAY IN
THE EVENING. SNOW AND RAIN.
.WED...SE WIND 25 TO 40 KT. SEAS 12 TO 20 FT. RAIN AND SNOW.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 15 TO 20 FT.
.THU THROUGH SAT...S WIND 25 TO 40 KT. SEAS 15 TO 26 FT.

$$

PKZ413-220215-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
353 AM AKST TUE FEB 21 2017

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...S WIND 15 TO 30 KT. SEAS 12 TO 17 FT.
.TONIGHT...SE WIND 20 TO 35 KT BECOMING S 30 TO 40 KT AFTER
MIDNIGHT. SEAS 12 TO 19 FT. RAIN AND SNOW.
.WED...S WIND 35 KT BECOMING 25 TO 40 KT IN THE AFTERNOON. SEAS
15 TO 22 FT. RAIN.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 14 TO 22 FT.
.THU THROUGH FRI...S WIND 30 TO 45 KT. SEAS 15 TO 23 FT.
.SAT...S WIND 15 TO 30 KT. SEAS 13 TO 21 FT.

$$

PKZ414-220215-
BERING SEA OFFSHORE EAST OF 171W-
353 AM AKST TUE FEB 21 2017

...GALE WARNING TODAY AND WEDNESDAY...

.TODAY...E WIND 30 TO 45 KT BECOMING SW 15 TO 30 KT IN THE
AFTERNOON. SEAS IN ICE FREE WATERS 5 TO 10 FT. SNOW.
.TONIGHT...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 4 TO 9 FT.
.WED...S WIND 15 TO 30 KT INCREASING TO 25 TO 40 KT IN THE
AFTERNOON. SEAS IN ICE FREE WATERS 6 TO 11 FT.
.WED NIGHT...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 7 TO 12
FT.
.THU THROUGH SAT...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 6
TO
11 FT.

$$
262 
FZAK62 PAFC 220031
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
331 PM AKST TUE FEB 21 2017

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.

PKZ499-221515-
331 PM AKST TUE FEB 21 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 963 MB LOW AT 51N
170E WILL MOVE TO 54N 169E AT 955 MB WED AFTERNOON...THEN MOVE TO
59N 174E AT 974 MB THU AFTERNOON. AN ASSOCIATED FRONT OVER THE
WESTERN ALEUTIANS WILL MOVE TO THE CENTRAL BERING WED AND MOVE
INLAND OVER SOUTHWEST ALASKA THU MORNING.

$$

PKZ411-221515-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
331 PM AKST TUE FEB 21 2017

...STORM WARNING TONIGHT...

.TONIGHT...E WIND 35 TO 50 KT. SEAS 16 TO 24 FT. SNOW AND RAIN.
.WED...S WIND 30 TO 45 KT. SEAS 19 TO 24 FT.
.WED NIGHT...S WIND 30 TO 40 KT. SEAS 20 TO 29 FT. SNOW AND 
RAIN SHOWERS.
.THU...S WIND 40 KT. SEAS 23 TO 29 FT.
.THU NIGHT...SW WIND 25 TO 35 KT. SEAS 16 TO 26 FT.
.FRI THROUGH SAT...SW WIND 25 TO 40 KT. SEAS 15 TO 30 FT.
.SUN...SW WIND 15 TO 25 KT. SEAS 9 TO 15 FT.

$$

PKZ412-221515-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
331 PM AKST TUE FEB 21 2017

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

.TONIGHT...E WIND 20 TO 35 KT INCREASING TO 30 TO 45 KT AFTER
MIDNIGHT. SEAS 11 TO 19 FT. HEAVY FREEZING SPRAY N OF 58N. SNOW.
.WED...SE WIND 25 TO 40 KT. SEAS 11 TO 19 FT. RAIN AND SNOW.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 15 TO 19 FT.
.THU...S WIND 25 TO 35 KT. SEAS 15 TO 25 FT.
.THU NIGHT...S WIND 30 KT. SEAS 18 TO 25 FT.
.FRI THROUGH SAT...S WIND 25 TO 40 KT. SEAS 16 TO 26 FT.
.SUN...SW WIND 25 KT. SEAS 11 TO 16 FT.

$$

PKZ413-221515-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
331 PM AKST TUE FEB 21 2017

...GALE WARNING THROUGH WEDNESDAY NIGHT...

.TONIGHT...SE WIND 20 TO 35 KT BECOMING S 30 TO 40 KT AFTER
MIDNIGHT. SEAS 12 TO 18 FT. RAIN AND SNOW.
.WED...S WIND 25 TO 40 KT. SEAS 15 TO 21 FT. RAIN.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 14 TO 22 FT.
.THU...S WIND 25 TO 35 KT. SEAS 14 TO 22 FT.
.THU NIGHT...SW WIND 20 TO 30 KT. SEAS 16 TO 23 FT.
.FRI...S WIND 30 TO 45 KT. SEAS 16 TO 25 FT.
.SAT...S WIND 15 TO 30 KT. SEAS 13 TO 21 FT.
.SUN...SW WIND 10 TO 20 KT. SEAS 9 TO 13 FT.

$$

PKZ414-221515-
BERING SEA OFFSHORE EAST OF 171W-
331 PM AKST TUE FEB 21 2017

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 4 TO 9 FT.
.WED...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 6 TO 11 FT.
.WED NIGHT...S WIND 30 TO 40 KT DIMINISHING TO 20 TO 35 KT AFTER
MIDNIGHT. SEAS IN ICE FREE WATERS 8 TO 13 FT. RAIN AND SNOW.
.THU...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
.THU NIGHT...SW WIND UP TO 20 KT. SEAS IN ICE FREE WATERS 5 TO
10 FT.
.FRI THROUGH SUN...SW WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 6
TO 11 FT.

$$
949 
FZAK62 PAFC 221301
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
401 AM AKST WED FEB 22 2017

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.

PKZ499-230215-
401 AM AKST WED FEB 22 2017
.SYNOPSIS FOR CENTRAL BERING SEA...BOGOSLOF VOLCANO AT 54N 168W
 REMAINS ACTIVE. A 948 MB LOW NEAR 55N 168E MOVES TO 56N 173E AT
963 MB LATE TONIGHT...THEN MOVES TO 63N 179W AT 989 MB LATE THU
NIGHT. AN ASSOCIATED FRONT OVER THE CENTRAL BERING MOVES TO THE
EASTERN BERING TONIGHT...THEN WEAKENS AS IT MOVES INTO ALASKA.
ANOTHER STRONG FRONT MOVES INTO THE WESTERN ALEUTIANS THU NIGHT.

$$

PKZ411-230215-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
401 AM AKST WED FEB 22 2017

...GALE WARNING THROUGH THURSDAY...

.TODAY...S WIND 30 TO 45 KT. SEAS 19 TO 24 FT.
.TONIGHT...S WIND 30 TO 45 KT. SEAS 19 TO 27 FT.
.THU...SW WIND 35 TO 45 KT. SEAS 21 TO 29 FT.
.THU NIGHT...SW WIND 25 TO 35 KT. SEAS 15 TO 23 FT.
.FRI...S WIND 35 TO 50 KT. SEAS 16 TO 31 FT.
.SAT...SW WIND 25 TO 40 KT. SEAS 14 TO 29 FT.
.SUN...SW WIND 15 TO 25 KT. SEAS 9 TO 13 FT.

$$

PKZ412-230215-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
401 AM AKST WED FEB 22 2017

...GALE WARNING THROUGH THURSDAY...

.TODAY...SE WIND 30 TO 45 KT. SEAS 12 TO 20 FT. RAIN AND SNOW.
.TONIGHT...S WIND 25 TO 40 KT. SEAS 16 TO 19 FT.
.THU...S WIND 25 TO 40 KT. SEAS 16 TO 26 FT.
.THU NIGHT...SW WIND 25 TO 35 KT. SEAS 18 TO 26 FT.
.FRI THROUGH SAT...SW WIND 30 TO 45 KT. SEAS 15 TO 28 FT.
.SUN...W WIND 15 TO 25 KT. SEAS 10 TO 14 FT.

$$

PKZ413-230215-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
401 AM AKST WED FEB 22 2017

...GALE WARNING THROUGH THURSDAY...

.TODAY...S WIND 25 TO 40 KT. SEAS 16 TO 22 FT. RAIN.
.TONIGHT...S WIND 25 TO 40 KT. SEAS 14 TO 22 FT.
.THU...SW WIND 25 TO 35 KT. SEAS 16 TO 24 FT.
.THU NIGHT...SW WIND 20 TO 30 KT. SEAS 16 TO 23 FT.
.FRI THROUGH SAT...SW WIND 30 TO 45 KT. SEAS 13 TO 27 FT.
.SUN...NW WIND 10 TO 20 KT. SEAS 8 TO 12 FT.

$$

PKZ414-230215-
BERING SEA OFFSHORE EAST OF 171W-
401 AM AKST WED FEB 22 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 6 TO 11 FT.
RAIN AND SNOW.
.TONIGHT...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 8 TO 13 FT.
.THU...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
.THU NIGHT...SW WIND 10 TO 20 KT. SEAS IN ICE FREE WATERS 5 TO
10 FT.
.FRI THROUGH SAT...SW WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 8
TO
13 FT.
.SUN...W WIND 15 TO 25 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.

$$
086 
FZAK62 PAFC 230030
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
330 PM AKST WED FEB 22 2017

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.

PKZ499-231415-
330 PM AKST WED FEB 22 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 953 MB LOW AT 54N
169E WILL BE 975 MB AT 59N 175E THU AFTERNOON THEN WEAKEN TO 1004
MB AT 65N 174W FRI AFTERNOON. THE ASSOCIATED FRONT OVER THE
EASTERN BERING WILL MOVE INLAND OVER SOUTHWEST ALASKA TONIGHT. A
NORTHWEST PACIFIC LOW WILL BE A 968 MB LOW AT 55N 167E FRI AFTERNOON.

$$

PKZ411-231415-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
330 PM AKST WED FEB 22 2017

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...S WIND 30 TO 45 KT. SEAS 19 TO 27 FT. RAIN SHOWERS AND SNOW
SHOWERS.
.THU...SW WIND 35 TO 45 KT. SEAS 21 TO 29 FT. RAIN SHOWERS AND SNOW
SHOWERS.
.THU NIGHT...SW WIND 25 TO 35 KT. SEAS 15 TO 23 FT. SNOW AND RAIN
SHOWERS.
.FRI...S WIND 30 TO 45 KT. SEAS 14 TO 27 FT.
.FRI NIGHT...SW WIND 35 TO 50 KT. SEAS 23 TO 33 FT.
.SAT...SW WIND 30 TO 45 KT. SEAS 15 TO 30 FT.
.SUN...SW WIND 15 TO 25 KT. SEAS 9 TO 13 FT.
.MON...SE WIND 20 TO 30 KT. SEAS 8 TO 12 FT.

$$

PKZ412-231415-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
330 PM AKST WED FEB 22 2017

...GALE WARNING THROUGH THURSDAY NIGHT...

.TONIGHT...S WIND 20 TO 35 KT. SEAS 16 TO 20 FT.
.THU...S WIND 25 TO 40 KT. SEAS 15 TO 26 FT. SNOW SHOWERS AND RAIN
SHOWERS.
.THU NIGHT...SW WIND 25 TO 35 KT. SEAS 17 TO 26 FT.
.FRI...S WIND 30 TO 45 KT. SEAS 17 TO 22 FT.
.FRI NIGHT...S WIND 35 TO 45 KT. SEAS 19 TO 28 FT.
.SAT...SW WIND 25 TO 40 KT. SEAS 17 TO 29 FT.
.SUN...W WIND 15 TO 25 KT. SEAS 10 TO 14 FT.
.MON...S WIND 10 TO 25 KT. SEAS 6 TO 10 FT.

$$

PKZ413-231415-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
330 PM AKST WED FEB 22 2017

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...S WIND 25 TO 40 KT. SEAS 14 TO 22 FT.
.THU...SW WIND 25 TO 35 KT. SEAS 15 TO 23 FT.
.THU NIGHT...SW WIND 20 TO 30 KT. SEAS 16 TO 23 FT.
.FRI...S WIND 30 TO 45 KT. SEAS 16 TO 24 FT.
.FRI NIGHT...S WIND 30 TO 45 KT. SEAS 17 TO 27 FT.
.SAT...SW WIND 20 TO 35 KT. SEAS 14 TO 22 FT.
.SUN...NW WIND 10 TO 20 KT. SEAS 8 TO 12 FT.
.MON...E WIND 15 TO 30 KT. SEAS 6 TO 9 FT.

$$

PKZ414-231415-
BERING SEA OFFSHORE EAST OF 171W-
330 PM AKST WED FEB 22 2017

...GALE WARNING TONIGHT...

.TONIGHT...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 8 TO 13 FT.
.THU...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
.THU NIGHT...SW WIND 10 TO 20 KT. SEAS IN ICE FREE WATERS 5 TO
10 FT.
.FRI...SW WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
.FRI NIGHT...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 6 TO 11
FT.
.SAT...SW WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 7 TO 12 FT.
.SUN...W WIND 15 TO 25 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
.MON...NW WIND UP TO 20 KT. SEAS IN ICE FREE WATERS 3 TO 7 FT.

$$
879 
FZAK62 PAFC 231242
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
342 AM AKST THU FEB 23 2017

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.

PKZ499-240230-
342 AM AKST THU FEB 23 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 964 MB LOW AT 56N
172E STEADILY WEAKENS TO 1017 MB AS IT MOVES TO 67N 165W BY SAT
MORNING. THE ASSOCIATED FRONT MOVES INTO WESTERN ALASKA THU NIGHT.
A 971 MB LOW MOVES TO 52N 163E FRI MORNING CONTINUING TO 60N 172E
AT 981 MB BY SAT MORNING. ITS ASSOCIATED FRONT MOVES INTO THE
WESTERN BERING BY SAT MORNING.

$$

PKZ411-240230-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
342 AM AKST THU FEB 23 2017

...GALE WARNING THROUGH FRIDAY...

.TODAY...SW WIND 35 TO 45 KT. SEAS 21 TO 28 FT. RAIN SHOWERS AND
SNOW SHOWERS.
.TONIGHT...SW WIND 25 TO 35 KT. SEAS 15 TO 23 FT. SNOW.
.FRI...S WIND 30 TO 45 KT. SEAS 14 TO 26 FT. RAIN AND SNOW.
.FRI NIGHT...SW WIND 35 TO 50 KT. SEAS 23 TO 30 FT.
.SAT...SW WIND 30 TO 45 KT. SEAS 13 TO 28 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 8 TO 13 FT.
.MON...E WIND 20 TO 35 KT. SEAS 8 TO 13 FT.

$$

PKZ412-240230-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
342 AM AKST THU FEB 23 2017

...GALE WARNING THROUGH FRIDAY...

.TODAY...S WIND 25 TO 40 KT. SEAS 15 TO 25 FT. RAIN SHOWERS.
.TONIGHT...SW WIND 25 TO 35 KT. SEAS 17 TO 25 FT.
.FRI...S WIND 30 TO 45 KT. SEAS 17 TO 21 FT. RAIN AND SNOW.
.FRI NIGHT...S WIND 35 TO 45 KT. SEAS 18 TO 27 FT.
.SAT...SW WIND 30 TO 45 KT. SEAS 14 TO 28 FT.
.SUN...W WIND 10 TO 20 KT. SEAS 9 TO 15 FT.
.MON...NE WIND 10 TO 25 KT. SEAS 6 TO 9 FT.

$$

PKZ413-240230-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
342 AM AKST THU FEB 23 2017

...GALE WARNING TODAY AND FRIDAY...

.TODAY...SW WIND 20 TO 35 KT. SEAS 15 TO 23 FT.
.TONIGHT...SW WIND 20 TO 30 KT. SEAS 16 TO 22 FT.
.FRI...S WIND 30 TO 45 KT. SEAS 16 TO 24 FT. RAIN.
.FRI NIGHT...S WIND 30 TO 45 KT. SEAS 17 TO 27 FT.
.SAT...SW WIND 20 TO 35 KT. SEAS 13 TO 21 FT.
.SUN...NW WIND UP TO 20 KT. SEAS 7 TO 12 FT.
.MON...E WIND 15 TO 30 KT. SEAS 6 TO 11 FT.

$$

PKZ414-240230-
BERING SEA OFFSHORE EAST OF 171W-
342 AM AKST THU FEB 23 2017

...GALE WARNING TODAY...

.TODAY...S WIND 20 TO 35 KT BECOMING SW 15 TO 25 KT IN THE
AFTERNOON. SEAS 5 TO 10 FT.
.TONIGHT...SW WIND 10 TO 25 KT. SEAS 5 TO 10 FT.
.FRI...SW WIND 15 TO 30 KT. SEAS 5 TO 10 FT.
.FRI NIGHT...S WIND 25 TO 40 KT. SEAS 6 TO 11 FT.
.SAT THROUGH SUN...SW WIND 20 TO 35 KT. SEAS 6 TO 11 FT.
.MON...N WIND 20 KT. SEAS 3 TO 6 FT.

$$
579 
FZAK62 PAFC 240027
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
327 PM AKST THU FEB 23 2017

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.

PKZ499-241415-
327 PM AKST THU FEB 23 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 974 MB LOW NEAR
59N 174E MOVES TO 64N 176W AND WEAKENS TO 1006 MB FRIDAY
AFTERNOON. A DEVELOPING NORTH PACIFIC LOW MOVES TO NEAR 55N 167E
AT 969 MB FRIDAY AFTERNOON THEN TO 62N 177E AT 982 MB SATURDAY
MORNING.

$$

PKZ411-241415-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
327 PM AKST THU FEB 23 2017

...STORM WARNING FRIDAY NIGHT...

.TONIGHT...SW WIND 25 TO 40 KT. SEAS 15 TO 23 FT.
.FRI...S WIND 30 TO 45 KT. SEAS 15 TO 23 FT. RAIN.
.FRI NIGHT...SW WIND 35 TO 50 KT. SEAS 22 TO 33 FT. RAIN.
.SAT...SW WIND 35 TO 50 KT. SEAS 17 TO 32 FT.
.SAT NIGHT...W WIND 15 TO 30 KT. SEAS 12 TO 20 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 8 TO 13 FT.
.MON THROUGH TUE...SE WIND 20 TO 35 KT. SEAS 10 TO 18 FT.

$$

PKZ412-241415-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
327 PM AKST THU FEB 23 2017

...GALE WARNING THROUGH FRIDAY NIGHT...

.TONIGHT...SW WIND 25 TO 40 KT. SEAS 17 TO 25 FT.
.FRI...S WIND 30 TO 45 KT. SEAS 16 TO 21 FT. RAIN.
.FRI NIGHT...S WIND 35 TO 45 KT. SEAS 16 TO 27 FT. RAIN WITH SNOW.
.SAT...SW WIND 30 TO 45 KT. SEAS 19 TO 28 FT.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 15 TO 23 FT.
.SUN...W WIND 10 TO 20 KT. SEAS 9 TO 15 FT.
.MON...NE WIND 10 TO 25 KT. SEAS 6 TO 9 FT.
.TUE...E WIND 15 TO 30 KT. SEAS 5 TO 10 FT.

$$

PKZ413-241415-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
327 PM AKST THU FEB 23 2017

...GALE WARNING THROUGH FRIDAY NIGHT...

.TONIGHT...SW WIND 20 TO 35 KT. SEAS 16 TO 22 FT.
.FRI...S WIND 25 TO 35 KT INCREASING TO 35 TO 45 KT IN THE
AFTERNOON. SEAS 14 TO 18 FT BUILDING TO 16 TO 24 FT IN THE
AFTERNOON. RAIN.
.FRI NIGHT...S WIND 30 TO 45 KT. SEAS 18 TO 26 FT. RAIN.
.SAT...SW WIND 20 TO 35 KT. SEAS 15 TO 23 FT.
.SAT NIGHT...SW WIND 10 TO 25 KT. SEAS 10 TO 17 FT.
.SUN...NW WIND 10 TO 25 KT. SEAS 7 TO 12 FT.
.MON THROUGH TUE...E WIND 20 TO 35 KT. SEAS 8 TO 13 FT.

$$

PKZ414-241415-
BERING SEA OFFSHORE EAST OF 171W-
327 PM AKST THU FEB 23 2017

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...SW WIND 15 TO 25 KT. SEAS 8 TO 16 FT.
.FRI...SW WIND 15 TO 30 KT. SEAS 9 TO 16 FT.
.FRI NIGHT...S WIND 25 TO 40 KT. SEAS 10 TO 20 FT.
.SAT...SW WIND 25 TO 40 KT. SEAS 14 TO 20 FT.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 12 TO 17 FT.
.SUN...SW WIND 10 TO 25 KT. SEAS 9 TO 14 FT.
.MON THROUGH TUE...NE WIND 25 KT. SEAS 6 TO 9 FT.

$$
914 
FZAK62 PAFC 241255
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
355 AM AKST FRI FEB 24 2017

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.

PKZ499-250315-
355 AM AKST FRI FEB 24 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 992 MB LOW AT 61N
180 MERGES WITH A 971 MB SOUTH KAMCHATKA LOW TO FORM A 968 MB LOW
NEAR 55N 166E FRI AFTERNOON. THIS LOW WEAKENS TO 1004 MB AS IT
MOVES TO 68N 168W SUN MORNING. THE ASSOCIATED FRONT EXTENDS
THROUGH THE CENTRAL ALEUTIANS BY SUN MORNING.

$$

PKZ411-250315-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
355 AM AKST FRI FEB 24 2017

...STORM WARNING TONIGHT AND SATURDAY...

.TODAY...S WIND 30 TO 45 KT. SEAS BUILDING TO 16 TO 24 FT. RAIN.
.TONIGHT...SW WIND 35 TO 50 KT. GUSTS TO 65 KT. SEAS 22 TO 33 FT.
RAIN.
.SAT...SW WIND 35 TO 50 KT DIMINISHING TO 20 TO 35 KT IN THE
AFTERNOON. GUSTS TO 65 KT IN THE MORNING. SEAS 17 TO 32 FT.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 12 TO 20 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 8 TO 13 FT.
.MON THROUGH TUE...E WIND 25 TO 40 KT. SEAS 9 TO 17 FT.

$$

PKZ412-250315-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
355 AM AKST FRI FEB 24 2017

...GALE WARNING THROUGH SATURDAY...

.TODAY...SW WIND 35 KT BECOMING S IN THE AFTERNOON. SEAS 16 TO 21
FT. RAIN.
.TONIGHT...S WIND 35 TO 45 KT. SEAS 16 TO 27 FT. RAIN AND SNOW.
.SAT...SW WIND 30 TO 45 KT DIMINISHING TO 20 TO 35 KT IN THE
AFTERNOON. SEAS 19 TO 28 FT.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 15 TO 23 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 9 TO 15 FT.
.MON...NW WIND 10 TO 25 KT. SEAS 6 TO 11 FT.
.TUE...NE WIND 25 KT. SEAS 5 TO 8 FT.

$$

PKZ413-250315-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
355 AM AKST FRI FEB 24 2017

...GALE WARNING THROUGH SATURDAY...

.TODAY...S WIND 30 TO 45 KT. SEAS 15 TO 22 FT. RAIN.
.TONIGHT...S WIND 30 TO 45 KT. SEAS 15 TO 26 FT. RAIN.
.SAT...SW WIND 20 TO 35 KT. SEAS 15 TO 23 FT. RAIN.
.SAT NIGHT...SW WIND 10 TO 25 KT. SEAS 10 TO 17 FT.
.SUN...NW WIND UP TO 20 KT. SEAS 7 TO 12 FT.
.MON THROUGH TUE...E WIND 15 TO 30 KT. SEAS 6 TO 10 FT.

$$

PKZ414-250315-
BERING SEA OFFSHORE EAST OF 171W-
355 AM AKST FRI FEB 24 2017

...GALE WARNING TONIGHT AND SATURDAY...

.TODAY...SW WIND 15 TO 25 KT. SEAS 5 TO 10 FT.
.TONIGHT...S WIND 25 TO 40 KT. SEAS 6 TO 11 FT.
.SAT...SW WIND 25 TO 40 KT. SEAS 7 TO 12 FT. RAIN AND SNOW.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 6 TO 11 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 4 TO 9 FT.
.MON THROUGH TUE...N WIND 20 TO 35 KT. SEAS 5 TO 10 FT.

$$
825 
FZAK62 PAFC 250021
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
321 PM AKST FRI FEB 24 2017

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.

PKZ499-251515-
321 PM AKST FRI FEB 24 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 1007 MB LOW OVER
THE GULF OF ANADYR DISSIPATES TONIGHT. A 969 MB LOW NEAR 54N 167E
MAKES LANDFALL OVER THE SOUTHERN COAST OF RUSSIA SATURDAY. HIGH
PRESSURE BUILDS OVER THE SOUTHWESTERN BERING SEA ON SUNDAY.

$$

PKZ411-251515-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
321 PM AKST FRI FEB 24 2017

...STORM WARNING THROUGH SATURDAY...

.TONIGHT...SW WIND 35 TO 50 KT. SEAS 22 TO 32 FT. RAIN AND SNOW.
.SAT...SW WIND 35 TO 50 KT DIMINISHING TO 25 TO 40 KT IN THE
AFTERNOON. SEAS 17 TO 31 FT.
.SAT NIGHT...W WIND 15 TO 30 KT. SEAS 13 TO 21 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 9 TO 15 FT.
.SUN NIGHT...W WIND 10 TO 25 KT. SEAS 6 TO 11 FT.
.MON THROUGH WED...SE WIND 25 TO 40 KT. SEAS 9 TO 17 FT.

$$

PKZ412-251515-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
321 PM AKST FRI FEB 24 2017

...GALE WARNING THROUGH SATURDAY...

.TONIGHT...S WIND 35 TO 45 KT. SEAS 16 TO 27 FT. RAIN AND SNOW.
.SAT...SW WIND 30 TO 45 KT. SEAS 19 TO 27 FT.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 15 TO 23 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 12 TO 16 FT.
.SUN NIGHT...NW WIND 15 TO 30 KT. SEAS 10 TO 14 FT.
.MON...NW WIND 15 TO 30 KT. SEAS 6 TO 11 FT.
.TUE THROUGH WED...NE WIND 15 TO 25 KT. SEAS 4 TO 8 FT.

$$

PKZ413-251515-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
321 PM AKST FRI FEB 24 2017

...STORM WARNING TONIGHT...

.TONIGHT...S WIND 35 TO 50 KT. SEAS 16 TO 25 FT. RAIN.
.SAT...SW WIND 20 TO 35 KT. SEAS 14 TO 22 FT. RAIN.
.SAT NIGHT...W WIND 10 TO 25 KT. SEAS 11 TO 17 FT. RAIN.
.SUN...NW WIND 10 TO 20 KT. SEAS 9 TO 12 FT.
.SUN NIGHT...N WIND 10 TO 20 KT. SEAS 7 TO 10 FT.
.MON THROUGH WED...NE WIND 15 TO 30 KT. SEAS 6 TO 11 FT.

$$

PKZ414-251515-
BERING SEA OFFSHORE EAST OF 171W-
321 PM AKST FRI FEB 24 2017

...GALE WARNING THROUGH SATURDAY...

.TONIGHT...S WIND 20 TO 30 KT INCREASING TO 25 TO 40 KT AFTER
MIDNIGHT. SEAS 7 TO 12 FT.
.SAT...SW WIND 25 TO 40 KT. SEAS 9 TO 17 FT. RAIN AND SNOW.
.SAT NIGHT...SW WIND 15 TO 30 KT. SEAS 8 TO 13 FT. RAIN.
.SUN...W WIND 15 TO 30 KT. SEAS 7 TO 12 FT.
.SUN NIGHT...NW WIND 10 TO 20 KT. SEAS 4 TO 9 FT.
.MON THROUGH WED...N WIND 20 TO 35 KT. SEAS 5 TO 10 FT.

$$
151 
FZAK62 PAFC 251249
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
349 AM AKST SAT FEB 25 2017

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.

PKZ499-260245-
349 AM AKST SAT FEB 25 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 977 MB NORTH
KAMCHATKA LOW WEAKENS TO 1016 MB AS IT MOVES TO 69N 165W BY MON
MORNING. THE ASSOCIATED FRONT SWEEPS ACROSS THE BERING SEA INTO
WESTERN ALASKA BY MON MORNING. HIGH PRESSURE MOVES OVER THE BERING
BY MON MORNING.

$$

PKZ411-260245-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
349 AM AKST SAT FEB 25 2017

...GALE WARNING TODAY...

.TODAY...SW WIND 30 TO 45 KT. SEAS 19 TO 32 FT.
.TONIGHT...W WIND 15 TO 30 KT. SEAS 13 TO 21 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 9 TO 15 FT.
.SUN NIGHT...W WIND 10 TO 25 KT. SEAS 7 TO 11 FT.
.MON THROUGH WED...E WIND 25 TO 40 KT. SEAS 9 TO 17 FT.

$$

PKZ412-260245-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
349 AM AKST SAT FEB 25 2017

...GALE WARNING TODAY...

.TODAY...SW WIND 30 TO 45 KT. SEAS 21 TO 28 FT.
.TONIGHT...SW WIND 15 TO 30 KT. SEAS 15 TO 23 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 13 TO 16 FT.
.SUN NIGHT...NW WIND 15 TO 25 KT. SEAS 10 TO 13 FT.
.MON...N WIND 10 TO 25 KT. SEAS 6 TO 11 FT.
.TUE THROUGH WED...E WIND 15 TO 30 KT. SEAS 4 TO 9 FT.

$$

PKZ413-260245-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
349 AM AKST SAT FEB 25 2017

...GALE WARNING TODAY...

.TODAY...SW WIND 20 TO 35 KT. SEAS 14 TO 22 FT. RAIN.
.TONIGHT...SW WIND 15 TO 30 KT. SEAS 11 TO 17 FT. RAIN.
.SUN...NW WIND 10 TO 25 KT BECOMING 15 KT IN THE AFTERNOON. SEAS
10 TO 13 FT.
.SUN NIGHT...N WIND 20 KT. SEAS 7 TO 10 FT.
.MON THROUGH WED...E WIND 15 TO 30 KT. SEAS 7 TO 12 FT.

$$

PKZ414-260245-
BERING SEA OFFSHORE EAST OF 171W-
349 AM AKST SAT FEB 25 2017

...GALE WARNING TODAY...

.TODAY...SW WIND 25 TO 40 KT. SEAS 9 TO 17 FT. RAIN.
.TONIGHT...SW WIND 15 TO 30 KT. SEAS 9 TO 14 FT. RAIN AND SNOW.
.SUN...W WIND 15 TO 30 KT. SEAS 7 TO 12 FT. RAIN.
.SUN NIGHT...NW WIND 20 KT. SEAS 5 TO 10 FT.
.MON THROUGH WED...NE WIND 15 TO 30 KT. SEAS 5 TO 10 FT.

$$
066 
FZAK62 PAFC 260007
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
307 PM AKST SAT FEB 25 2017

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.

PKZ499-261430-
307 PM AKST SAT FEB 25 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A FRONT OVER THE
SOUTHERN BERING AND ALEUTIANS PERSISTS THROUGH SUN NIGHT...THEN
DISSIPATES. ANOTHER FRONT MOVES INTO THE WESTERN ALEUTIANS MON.
HIGH PRESSURE OVER THE WESTERN BERING SUN AFTERNOON MOVES TO THE
CENTRAL BERING BY MON AFTERNOON.

$$

PKZ411-261430-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
307 PM AKST SAT FEB 25 2017

.TONIGHT...W WIND 15 TO 30 KT. SEAS 13 TO 21 FT.
.SUN...W WIND 10 TO 25 KT. SEAS 9 TO 14 FT.
.SUN NIGHT...NW WIND UP TO 20 KT BECOMING NE 10 TO 25 KT 
AFTER MIDNIGHT. SEAS 7 TO 10 FT.
.MON...E WIND 20 TO 35 KT. SEAS 7 TO 12 FT.
.MON NIGHT...E WIND 25 TO 40 KT. SEAS 8 TO 16 FT.
.TUE THROUGH THU...E WIND 25 TO 40 KT. SEAS 8 TO 16 FT.

$$

PKZ412-261430-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
307 PM AKST SAT FEB 25 2017

.TONIGHT...SW WIND 15 TO 30 KT. SEAS 14 TO 22 FT.
.SUN...W WIND 10 TO 20 KT. SEAS 12 TO 16 FT.
.SUN NIGHT...NW WIND 15 TO 25 KT. SEAS 8 TO 11 FT.
.MON...NW WIND 10 TO 25 KT. SEAS 6 TO 10 FT.
.MON NIGHT...N WIND 10 TO 25 KT. SEAS 5 TO 9 FT.
.TUE THROUGH THU...NE WIND 15 TO 30 KT. SEAS 4 TO 9 FT.

$$

PKZ413-261430-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
307 PM AKST SAT FEB 25 2017

.TONIGHT...SW WIND 15 TO 30 KT. SEAS 11 TO 16 FT. RAIN.
.SUN...NW WIND 10 TO 25 KT. SEAS 10 TO 13 FT.
.SUN NIGHT...N WIND 15 TO 25 KT. SEAS 9 FT.
.MON...NE WIND 15 TO 30 KT. SEAS 6 TO 9 FT.
.MON NIGHT...E WIND 15 TO 30 KT. SEAS 6 TO 11 FT.
.TUE THROUGH THU...E WIND 15 TO 30 KT. SEAS 7 TO 12 FT.

$$

PKZ414-261430-
BERING SEA OFFSHORE EAST OF 171W-
307 PM AKST SAT FEB 25 2017

.TONIGHT...SW WIND 15 TO 30 KT. SEAS 8 TO 16 FT. RAIN AND SNOW.
.SUN...SW WIND 15 TO 30 KT. SEAS 7 TO 12 FT. RAIN AND SNOW.
.SUN NIGHT...NW WIND 20 KT. SEAS 5 TO 10 FT. FREEZING SPRAY.
.MON...NW WIND 15 TO 25 KT. SEAS 4 TO 8 FT.
.MON NIGHT...NW WIND 15 TO 25 KT. SEAS 5 TO 8 FT.
.TUE THROUGH THU...N WIND 15 TO 30 KT. SEAS 6 TO 11 FT.

$$

What forecasters said that day

The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before this gale warning went out at Feb 18, 4:38 PM AKST, 10 hours 51 minutes earlier.

Area forecast discussion, Feb 18, 4:38 PM AKST, 10 hours 51 minutes before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
438 PM AKST Sat Feb 18 2017

.ANALYSIS AND UPPER LEVELS...
A broad upper level trough is located over the Bering Strait and
continuing southward across the Alaska Peninsula and well into
the Pacific Ocean. Areas east of this trough axis are getting weak
south to southwest flow aloft with areas to the west in generally
northwest flow. The jet stream is remaining well south of the
forecast area.

&&

.MODEL DISCUSSION...
Models are mostly in good agreement with the overall synoptic
pattern. The exception is with a strong low that will move into
the western Aleutians and Bering Sea early next week where the
Canadian model was dismissed due to a storm track that is 400
miles and 10 to 15 mb different from where the other three main
models are clustered. This is one of the those days where the
difference in the details is where the most significant portion of
the forecast decisions are made. Therefore the higher resolution
models are being used to capture the weak upper level disturbances
moving though Bristol Bay and Cook Inlet as well as some of the
outflow winds that should develop in the Gulf Coast region.

&&

.AVIATION...
PANC...The persistent and weak southerly flow up Cook Inlet is
conducive for keeping in the mostly MVFR conditions around the
airport through the night. There may be periods of IFR from some
low clouds or a short time where the lower cloud deck goes
scattered, but it should mostly be MVFR through Sunday morning.

&&

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

Cold air advection at the lower levels of the atmosphere, cyclonic
flow, and embedded midlevel shortwaves moving from southwest to
northeast up Cook Inlet are a recipe for hit-or-miss snow showers
across most of the area today. This general pattern will continue
through the start of the week. There will be a few features that
should act to focus these showers over a certain area, and the
first of those features is a weak shortwave that comes through
upper Cook Inlet late tonight/early Sunday morning. This should
give an extra bit of lift that produces a more widespread - but
still light - area of snow showers around the Anchorage and lower
Mat-Su areas. In fact, as of this writing, snow shower activity is
already starting to increase over the southern Kenai peninsula
likely in response to this shortwave moving into the area.
Accumulations should be minor, but some locations could see an
inch or so by Sunday afternoon. Additionally, with cold advection
slowly getting more established, the patchy fog around Knik Arm experienced
this morning should not recur tonight.

During the day Monday, an upper low currently over the west coast
of Alaska will start to swing more toward the Gulf of Alaska as a
negatively tilted upper level trough. Models have all started to
show the lower-atmospheric response to this (in addition to the
ongoing cold air advection) in the form of a surface low spinning
up in Prince William Sound. Models are not currently showing
precipitation wrapping all the way back into the Anchorage and
Mat-Su Valleys from this development, but anytime we see a
negatively tilted upper trough there is the potential for the
moisture to come back further to the west than expected. Thus have
kept moderate chances for precip in the forecast, and will need to
monitor subtle changes in future model runs in case it starts to
look like upper Cook Inlet could see another round of light
snowfall before things dry out on Tuesday.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)...
A weak trough will continue to produce light snow along the Alaska
and Aleutian Ranges tonight before moving off to the east on
Sunday. Otherwise, the main story will be clearing skies and
frigid temperatures into the beginning of the work week as colder
air filters into the region on the back side of the longwave
trough sitting over the western mainland.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...
Convective snow showers will continue across the central and
eastern Bering through Sun night as cold northerly flow continues
over the region. Attention will turn to a powerful low approaching
the Western Aleutians late Sunday into Monday. This will push a
storm force front into the Central and Western Aleutians, with
hurricane force gusts possible over the waters of the western
Bering. The front will then shift eastward towards Dutch Harbor
and the Pribilof Islands Monday afternoon into Monday evening
accompanied by heavy precipitation and gale force winds. Blowing
snow is not expected to be a significant concern across the chain
as snow quickly changes over to rain with the arrival of the
front, however it may eventually become an issue over the
Pribilofs where cold air hangs on a little bit longer.

&&

.LONG TERM FORECAST (Days 3 through 7)...

The long term forecast starting Tuesday will continue the active
trend. The western weather pattern will be dominated by a cluster
of lows that will slide north across the Kamchatka peninsula.
beneath these systems and at the surface will be low pressure
systems that will slide north - pulling a warm front with it. Each
successful low will drive more moisture and warmth north,
eventually eating away at the cold h85 temperatures that will
settle in through this weekend. By Wednesday evening the first of
these lows will slip north across Norton Sound. This low will
pull a weakening front across southcentral late in the week. The
forecast confidence in specifics drops mid week for a few reasons.
All guidance agrees on a low spinning along the front that will be
driven east along the AKPEN and south of Kodiak. It is at this
point that the biggest differences, and ultimately the drivers in
our weather, appear. The GFS drives the low well south of the Gulf
of Alaska while the EC and Canadian skirt Prince William Sound.
GFS Ensemble members do not give too much help as the spread is
rather large into the early week. Wednesday the GFS and ensembles
keep SC dry while the EC and Canadian bring in some snow.
Regardless, an active pattern will continue through next weekend
with details to be appearing through the week.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...None.
MARINE...Storms 175-178 411 413. Gales 173 174 412.

&&

SYNOPSIS AND MODEL DISCUSSION...EZ
SOUTHCENTRAL ALASKA...AD
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...CB
LONG TERM...SS

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 18, 3:45 PM AKSTGale WarningAFC12 hr
Feb 18, 3:45 PM AKSTStorm WarningAFC48 hr
Feb 18, 3:50 PM AKSTGale WarningAFC5 days
Feb 18, 3:50 PM AKSTSmall Craft AdvisoryAFC5 days
Feb 18, 3:50 PM AKSTStorm WarningAFC48 hr
Feb 18, 3:50 PM AKSTHeavy Freezing Spray WarningAFC60 hr
Feb 19, 3:21 AM AKSTGale WarningAFC4 days
Feb 19, 3:21 AM AKSTSmall Craft AdvisoryAFC49 hr
Feb 19, 3:21 AM AKSTHeavy Freezing Spray WarningAFC12 hr
Feb 19, 3:29 AM AKSTGale WarningAFC5 days
Feb 19, 3:29 AM AKSTSmall Craft AdvisoryAFC12 hr
Feb 19, 3:29 AM AKSTStorm WarningAFC36 hr
Feb 19, 3:48 AM AKSTBlizzard WatchAFC12 hr

Nearby

Gale Warnings in Alaska, 2017Every gale warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.