Gale Warning 20, NWS Anchorage, AK

847 
FZAK62 PAFC 290020
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
320 PM AKST SAT JAN 28 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.

PKZ499-291445-
320 PM AKST SAT JAN 28 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 986 MB LOW NEAR 63N
170W WILL MOVE NORTH AND WEAKEN TONIGHT. A 984 MB LOW NEAR 53N
164E WILL MOVE TO 57N 177W AT 975 MB LOW SUN AFTERNOON AND THEN
MOVE TO 62N 177W AT 982 MB MON AFTERNOON.

$$

PKZ411-291445-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
320 PM AKST SAT JAN 28 2017

.TONIGHT...SE WIND 15 TO 30 KT. N OF 56N...VARIABLE WIND 15 KT
BECOMING E 15 TO 25 KT AFTER MIDNIGHT. SEAS 4 TO 9 FT. WIDESPREAD
SNOW SHOWERS.
.SUN...S WIND 10 TO 15 KT BECOMING W 15 TO 25 KT IN THE AFTERNOON.
N OF 57N...E WIND 15 TO 25 KT BECOMING VARIABLE 10 KT IN THE
AFTERNOON. SEAS 5 TO 9 FT.
.SUN NIGHT...NW WIND 10 TO 25 KT. SEAS 7 TO 12 FT.
.MON...NW WIND 15 TO 30 KT. SEAS 10 TO 13 FT.
.MON NIGHT...SW WIND 10 TO 25 KT. SEAS 8 TO 11 FT.
.TUE...SE WIND 25 TO 40 KT. SEAS 11 TO 19 FT.
.WED...E WIND 40 KT. SEAS 25 TO 32 FT.
.THU...E WIND 30 KT. SEAS 16 TO 24 FT.

$$

PKZ412-291445-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
320 PM AKST SAT JAN 28 2017

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

.TONIGHT...W WIND 10 TO 20 KT BECOMING S 20 TO 30 KT AFTER
MIDNIGHT. SEAS 6 FT. FREEZING SPRAY.
.SUN...SE WIND 20 TO 35 KT INCREASING TO 30 TO 45 KT IN THE
AFTERNOON. SEAS 5 TO 10 FT BUILDING TO 8 TO 16 FT IN THE
AFTERNOON. WIDESPREAD SNOW SHOWERS AND RAIN SHOWERS.
.SUN NIGHT...SW WIND 30 TO 45 KT. SEAS 12 TO 20 FT.
.MON...SW WIND 15 TO 30 KT. SEAS 10 TO 15 FT.
.MON NIGHT...W WIND 15 KT. SEAS 10 FT.
.TUE...S WIND 15 TO 30 KT. SEAS 8 TO 13 FT.
.WED THROUGH THU...E WIND 25 TO 35 KT. SEAS 13 TO 28 FT.

$$

PKZ413-291445-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
320 PM AKST SAT JAN 28 2017

...GALE WARNING SUNDAY...

.TONIGHT...S WIND 15 TO 30 KT. SEAS 7 TO 10 FT. WIDESPREAD SNOW
AND RAIN SHOWERS.
.SUN...S WIND 30 TO 45 KT BECOMING SW 20 TO 35 KT IN THE
AFTERNOON. SEAS 9 TO 16 FT. RAIN SHOWERS.
.SUN NIGHT...SW WIND 15 TO 30 KT. SEAS 9 TO 14 FT.
.MON...SW WIND 15 TO 30 KT. SEAS 9 TO 13 FT.
.MON NIGHT...W WIND 10 TO 20 KT. SEAS 9 TO 12 FT.
.TUE...SE WIND 20 TO 35 KT. SEAS 9 TO 17 FT.
.WED THROUGH THU...E WIND 30 TO 40 KT. SEAS 13 TO 27 FT.

$$

PKZ414-291445-
BERING SEA OFFSHORE EAST OF 171W-
320 PM AKST SAT JAN 28 2017

...STORM WARNING SUNDAY...

.TONIGHT...SW WIND 15 TO 25 KT. SEAS 7 TO 10 FT. FREEZING SPRAY.
.SUN...S WIND 25 TO 40 KT INCREASING TO 35 TO 50 KT IN THE AFTERNOON.
SEAS 7 TO 10 FT BUILDING TO 9 TO 17 FT IN THE AFTERNOON. WIDESPREAD
RAIN AND SNOW SHOWERS.
.SUN NIGHT...S WIND 30 TO 45 KT DIMINISHING TO 20 TO 35 KT AFTER
MIDNIGHT. SEAS 11 TO 17 FT.
.MON...SW WIND 10 TO 25 KT. SEAS 8 TO 13 FT.
.MON NIGHT...SW WIND 10 TO 20 KT. SEAS 7 TO 10 FT.
.TUE...W WIND UP TO 20 KT. SEAS 6 TO 11 FT.
.WED THROUGH THU...E WIND 15 TO 30 KT. SEAS 8 TO 13 FT.

$$

161 
FZAK62 PAFC 291245
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
345 AM AKST SUN JAN 29 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.

PKZ499-300215-
345 AM AKST SUN JAN 29 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 980 MB LOW AT 54N
172E MOVES TO 61N 179W AT 976 MB TONIGHT AND THEN MOVES INLAND
OVER EASTERN SIBERIA BY MON NIGHT. AN ASSOCIATED FRONT OVER THE
CENTRAL ALEUTIANS MOVES ONSHORE OVER SOUTHWEST ALASKA TONIGHT.
ANOTHER FRONT WILL ENTER THE WESTERN ALEUTIANS MON NIGHT.

$$

PKZ411-300215-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
345 AM AKST SUN JAN 29 2017

.TODAY...SW WIND 10 TO 25 KT. N OF 56N...E WIND 15 TO 25 KT
BECOMING VARIABLE 10 KT IN THE AFTERNOON. SEAS 5 TO 10 FT.
.TONIGHT...W WIND 15 TO 30 KT. SEAS 8 TO 13 FT.
.MON...NW WIND 15 TO 30 KT. SEAS 10 TO 14 FT. FREEZING SPRAY.
.MON NIGHT...SW WIND 15 TO 30 KT. SEAS 8 TO 13 FT.
.TUE...SE WIND 35 TO 50 KT. SEAS 13 TO 21 FT.
.WED...SE WIND 35 TO 50 KT. SEAS 23 TO 31 FT.
.THU...SE WIND 20 TO 30 KT. SEAS 14 TO 20 FT.

$$

PKZ412-300215-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
345 AM AKST SUN JAN 29 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND 20 TO 30 KT INCREASING TO 25 TO 40 KT BY MIDDAY.
SEAS 5 TO 12 FT BUILDING TO 8 TO 18 FT IN THE AFTERNOON. RAIN
SHOWERS.
.TONIGHT...SW WIND 30 TO 45 KT DIMINISHING TO 25 TO 35 KT AFTER
MIDNIGHT. SEAS 13 TO 19 FT. RAIN SHOWERS.
.MON...SW WIND 15 TO 30 KT BECOMING NW IN THE AFTERNOON. 
SEAS 12 TO 16 FT. FREEZING SPRAY IN THE AFTERNOON.
.MON NIGHT...W WIND 10 TO 20 KT. SEAS 10 TO 15 FT.
.TUE...S WIND 30 TO 45 KT. SEAS 11 TO 19 FT.
.WED...SE WIND 35 TO 50 KT. SEAS 14 TO 29 FT.
.THU...E WIND 30 KT. SEAS 14 TO 21 FT.

$$

PKZ413-300215-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
345 AM AKST SUN JAN 29 2017

...GALE WARNING TODAY...

.TODAY...S WIND 30 TO 45 KT BECOMING SW 20 TO 35 KT IN THE
AFTERNOON. SEAS 8 TO 16 FT. RAIN SHOWERS.
.TONIGHT...SW WIND 15 TO 30 KT. SEAS 9 TO 14 FT.
.MON...SW WIND 15 TO 30 KT. SEAS 10 TO 14 FT.
.MON NIGHT...W WIND 10 TO 25 KT. SEAS 10 TO 13 FT.
.TUE...SE WIND 35 TO 50 KT. SEAS 13 TO 21 FT.
.WED...SE WIND 35 TO 50 KT. SEAS 16 TO 29 FT.
.THU...E WIND 20 TO 30 KT. SEAS 13 TO 19 FT.

$$

PKZ414-300215-
BERING SEA OFFSHORE EAST OF 171W-
345 AM AKST SUN JAN 29 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...S WIND 20 TO 35 KT BECOMING SE 35 TO 50 KT IN THE
AFTERNOON. SEAS 9 TO 14 FT BUILDING TO 12 TO 18 FT IN THE
AFTERNOON. RAIN SHOWERS.
.TONIGHT...S WIND 30 TO 45 KT BECOMING SW 20 TO 35 KT AFTER
MIDNIGHT. SEAS 12 TO 18 FT.
.MON...SW WIND 10 TO 25 KT. SEAS 9 TO 15 FT.
.MON NIGHT...SW WIND 10 TO 20 KT. SEAS 8 TO 11 FT.
.TUE...SW WIND 15 TO 30 KT. SEAS 6 TO 11 FT.
.WED THROUGH THU...E WIND 20 TO 35 KT. SEAS 9 TO 14 FT.

$$

388 
FZAK62 PAFC 292057 AAA
OFFALU

OFFSHORE WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE ANCHORAGE AK
1157 AM AKST SUN JAN 29 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.

PKZ499-300415-
1157 AM AKST SUN JAN 29 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 980 MB LOW AT 54N
172E MOVES TO 61N 179W AT 976 MB TONIGHT AND THEN MOVES INLAND
OVER EASTERN SIBERIA BY MON NIGHT. AN ASSOCIATED FRONT OVER THE
CENTRAL ALEUTIANS MOVES ONSHORE OVER SOUTHWEST ALASKA TONIGHT.
ANOTHER FRONT WILL ENTER THE WESTERN ALEUTIANS MON NIGHT.

$$

PKZ411-300415-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
1157 AM AKST SUN JAN 29 2017

.TODAY...SW WIND 10 TO 25 KT. N OF 56N...E WIND 15 TO 25 KT
BECOMING VARIABLE 10 KT IN THE AFTERNOON. SEAS 5 TO 10 FT. 
.TONIGHT...W WIND 15 TO 30 KT. SEAS 8 TO 13 FT. 
.MON...NW WIND 15 TO 30 KT. SEAS 10 TO 14 FT. FREEZING SPRAY. 
.MON NIGHT...SW WIND 15 TO 30 KT. SEAS 8 TO 13 FT. 
.TUE...SE WIND 35 TO 50 KT. SEAS 13 TO 21 FT. 
.WED...SE WIND 35 TO 50 KT. SEAS 23 TO 31 FT. 
.THU...SE WIND 20 TO 30 KT. SEAS 14 TO 20 FT.

$$

PKZ412-300415-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
1157 AM AKST SUN JAN 29 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND 25 TO 40 KT. SEAS BUILDING TO 8 TO 18 FT IN THE
AFTERNOON. RAIN SHOWERS.
.TONIGHT...SW WIND 30 TO 45 KT DIMINISHING TO 25 TO 35 KT AFTER
MIDNIGHT. SEAS 13 TO 19 FT. RAIN SHOWERS. 
.MON...SW WIND 15 TO 30 KT BECOMING NW IN THE AFTERNOON.  SEAS
12 TO 16 FT. FREEZING SPRAY IN THE AFTERNOON. 
.MON NIGHT...W WIND 10 TO 20 KT. SEAS 10 TO 15 FT. 
.TUE...S WIND 30 TO 45 KT. SEAS 11 TO 19 FT. 
.WED...SE WIND 35 TO 50 KT. SEAS 14 TO 29 FT. 
.THU...E WIND 30 KT. SEAS 14 TO 21 FT.

$$

PKZ413-300415-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
1157 AM AKST SUN JAN 29 2017

...GALE WARNING TODAY...

.TODAY...S WIND 30 TO 45 KT BECOMING SW 20 TO 35 KT IN THE
AFTERNOON. SEAS 8 TO 16 FT. RAIN SHOWERS. 
.TONIGHT...SW WIND 15 TO 30 KT. SEAS 9 TO 14 FT. 
.MON...SW WIND 15 TO 30 KT. SEAS 10 TO 14 FT. 
.MON NIGHT...W WIND 10 TO 25 KT. SEAS 10 TO 13 FT. 
.TUE...SE WIND 35 TO 50 KT. SEAS 13 TO 21 FT. 
.WED...SE WIND 35 TO 50 KT. SEAS 16 TO 29 FT. 
.THU...E WIND 20 TO 30 KT. SEAS 13 TO 19 FT.

$$

PKZ414-300415-
BERING SEA OFFSHORE EAST OF 171W-
1157 AM AKST SUN JAN 29 2017

...STORM WARNING TODAY...

.TODAY...S WIND 20 TO 35 KT BECOMING SE 35 TO 50 KT IN THE
AFTERNOON. SEAS BUILDING TO 12 TO 18 FT IN THE AFTERNOON. RAIN
SHOWERS.
.TONIGHT...S WIND 30 TO 45 KT BECOMING SW 20 TO 35 KT AFTER
MIDNIGHT. SEAS 12 TO 18 FT. 
.MON...SW WIND 10 TO 25 KT. SEAS 9 TO 15 FT. 
.MON NIGHT...SW WIND 10 TO 20 KT. SEAS 8 TO 11 FT. 
.TUE...SW WIND 15 TO 30 KT. SEAS 6 TO 11 FT. 
.WED THROUGH THU...E WIND 20 TO 35 KT. SEAS 9 TO 14 FT.

$$

167 
FZAK62 PAFC 300053
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
353 PM AKST SUN JAN 29 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.

PKZ499-301430-
353 PM AKST SUN JAN 29 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 978 MB LOW NEAR 58N
175W MOVES TO 63N 176W AT 982 MB MON AFTERNOON...THEN MOVES INTO
THE BERING STRAIT. AN ASSOCIATED FRONT IN THE WESTERN ALEUTIANS
MOVES INTO THE CENTRAL BERING MON AFTERNOON...THEN DISSIPATES.
ANOTHER STRONG FRONT MOVES INTO THE WESTERN ALEUTIANS MON NIGHT
AND PERSISTS THROUGH TUE AFTERNOON.

$$

PKZ411-301430-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
353 PM AKST SUN JAN 29 2017

.TONIGHT...W WIND 15 TO 30 KT. SEAS 8 TO 13 FT.
.MON...W WIND 15 TO 30 KT. SEAS 10 TO 13 FT.
.MON NIGHT...S WIND 15 TO 30 KT. SEAS 10 FT.
.TUE...SE WIND 35 TO 50 KT. SEAS 13 TO 21 FT.
.TUE NIGHT...SE WIND 50 KT. SEAS 19 TO 29 FT.
.WED...SE WIND 40 TO 55 KT. SEAS 23 TO 35 FT.
.THU THROUGH FRI...E WIND 20 TO 30 KT. SEAS 14 TO 21 FT.

$$

PKZ412-301430-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
353 PM AKST SUN JAN 29 2017

...GALE WARNING TONIGHT...

.TONIGHT...SW WIND 25 TO 40 KT. SEAS 9 TO 15 FT.
.MON...SW WIND 15 TO 30 KT. SEAS 11 FT.
.MON NIGHT...W WIND 15 TO 30 KT. SEAS 10 TO 13 FT.
.TUE...S WIND 25 TO 40 KT. SEAS 10 FT.
.TUE NIGHT...SE WIND 30 TO 45 KT. SEAS 12 TO 20 FT.
.WED...SE WIND 35 TO 50 KT. SEAS 16 TO 31 FT.
.THU...E WIND 30 KT. SEAS 14 TO 21 FT.
.FRI...E WIND 30 KT. SEAS 10 TO 14 FT.

$$

PKZ413-301430-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
353 PM AKST SUN JAN 29 2017

.TONIGHT...SW WIND 15 TO 30 KT. SEAS 8 TO 12 FT.
.MON...SW WIND 20 TO 30 KT. SEAS 10 TO 14 FT.
.MON NIGHT...SW WIND 15 TO 30 KT. SEAS 9 TO 15 FT.
.TUE...S WIND 30 TO 45 KT. SEAS 9 TO 17 FT.
.TUE NIGHT...SE WIND 35 TO 50 KT. SEAS 14 TO 22 FT.
.WED...SE WIND 40 TO 55 KT. SEAS 16 TO 31 FT.
.THU THROUGH FRI...E WIND 20 TO 30 KT. SEAS 11 TO 19 FT.

$$

PKZ414-301430-
BERING SEA OFFSHORE EAST OF 171W-
353 PM AKST SUN JAN 29 2017

...GALE WARNING TONIGHT...

.TONIGHT...S WIND 30 TO 45 KT. SEAS 12 TO 19 FT. RAIN AND SNOW.
.MON...SW WIND 15 TO 30 KT. SEAS 11 TO 14 FT.
.MON NIGHT...SW WIND 10 TO 25 KT. SEAS 8 TO 13 FT.
.TUE...W WIND 10 TO 25 KT. SEAS 7 TO 12 FT.
.TUE NIGHT...SE WIND 15 TO 30 KT. SEAS 5 TO 9 FT.
.WED THROUGH FRI...NE WIND 20 TO 35 KT. SEAS 8 TO 13 FT.

$$

854 
FZAK62 PAFC 301250
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
350 AM AKST MON JAN 30 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.

PKZ499-310215-
350 AM AKST MON JAN 30 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 978 MB LOW AT 61N
175W EXITS NORTH TO THE CHUKCHI SEA TONIGHT. A 985 MB LOW AT 55N
178E WEAKENS TO A TROUGH OF LOW PRESSURE OVER THE CENTRAL BERING
TODAY. A FRONT ALONG THE EASTERN BERING AND SOUTHWEST ALASKA COAST
PUSHES INLAND TODAY. ANOTHER FRONT ENTERS THE SOUTHWEST BERING
TONIGHT AND MOVES TO THE CENTRAL BERING TUE NIGHT.

$$

PKZ411-310215-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
350 AM AKST MON JAN 30 2017

...STORM WARNING TUESDAY...

.TODAY...W WIND 15 TO 30 KT. SEAS 9 TO 12 FT. FREEZING SPRAY.
.TONIGHT...SE WIND 10 TO 25 KT INCREASING TO 25 TO 35 KT AFTER
MIDNIGHT. SEAS 8 TO 11 FT. FREEZING SPRAY IN THE EVENING.
.TUE...SE WIND 35 TO 50 KT. SEAS 9 TO 15 FT BUILDING TO 15 TO
23 FT IN THE AFTERNOON. RAIN AND SNOW.
.TUE NIGHT...SE WIND 50 KT. SEAS 18 TO 29 FT.
.WED...SE WIND 40 TO 55 KT. SEAS 18 TO 33 FT.
.THU THROUGH FRI...E WIND 15 TO 30 KT. SEAS 14 TO 21 FT.

$$

PKZ412-310215-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
350 AM AKST MON JAN 30 2017

...GALE WARNING TUESDAY...

.TODAY...SW WIND 10 TO 25 KT. SEAS 9 TO 12 FT.
.TONIGHT...W WIND 10 TO 25 KT. SEAS 9 TO 12 FT.
.TUE...SE WIND 10 TO 25 KT INCREASING TO 20 TO 35 KT IN THE
AFTERNOON. SEAS 8 TO 11 FT BUILDING TO 9 TO 14 FT IN THE
AFTERNOON.
.TUE NIGHT...SE WIND 30 TO 45 KT. SEAS 11 TO 19 FT.
.WED...SE WIND 35 TO 50 KT. SEAS 14 TO 29 FT.
.THU...SE WIND 25 TO 35 KT. SEAS 14 TO 22 FT.
.FRI...E WIND 30 KT. SEAS 9 TO 14 FT.

$$

PKZ413-310215-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
350 AM AKST MON JAN 30 2017

...GALE WARNING TUESDAY...

.TODAY...SW WIND 20 TO 30 KT. SEAS 9 TO 13 FT.
.TONIGHT...SW WIND 15 TO 30 KT. SEAS 9 TO 13 FT.
.TUE...S WIND 20 TO 35 KT BECOMING SE 30 TO 45 KT IN THE
AFTERNOON. SEAS 9 TO 12 FT BUILDING TO 10 TO 18 FT IN THE
AFTERNOON.
.TUE NIGHT...SE WIND 35 TO 50 KT. SEAS 13 TO 21 FT.
.WED...SE WIND 40 TO 55 KT. SEAS 15 TO 29 FT.
.THU THROUGH FRI...E WIND 20 TO 35 KT. SEAS 11 TO 19 FT.

$$

PKZ414-310215-
BERING SEA OFFSHORE EAST OF 171W-
350 AM AKST MON JAN 30 2017

.TODAY...SW WIND 15 TO 30 KT. SEAS 9 TO 14 FT.
.TONIGHT...SW WIND 10 TO 25 KT. SEAS 7 TO 11 FT.
.TUE...W WIND 10 TO 20 KT BECOMING S IN THE AFTERNOON.
SEAS 7 TO 11 FT.
.TUE NIGHT...SE WIND 15 TO 30 KT. SEAS 6 TO 9 FT.
.WED THROUGH FRI...E WIND 20 TO 35 KT. SEAS 7 TO 12 FT.

$$

297 
FZAK62 PAFC 310003
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
303 PM AKST MON JAN 30 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.

PKZ499-311415-
303 PM AKST MON JAN 30 2017
.SYNOPSIS FOR CENTRAL BERING SEA...

BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 984 MB LOW AT 64N
174W EXITS NORTH TO THE CHUKCHI SEA TONIGHT. A TROUGH OF LOW
PRESSURE REMAINS OVER THE CENTRAL BERING THROUGH TUE. A FRONT
ENTERS THE SOUTHWEST BERING TONIGHT AND MOVES TO THE CENTRAL
BERING THROUGH WED AFTERNOON. THE ASSOCIATED NORTH PACIFIC LOW
MOVES TO 54N 163E AT 959 MB WED AFTERNOON.

$$

PKZ411-311415-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
303 PM AKST MON JAN 30 2017

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

.TONIGHT...SW WIND 10 TO 20 KT BECOMING S 15 TO 30 KT AFTER
MIDNIGHT. SEAS 9 FT.
.TUE...SE WIND 35 TO 50 KT. SEAS 11 TO 19 FT. RAIN.
.TUE NIGHT...SE WIND 40 TO 55 KT. SEAS 14 TO 25 FT BUILDING TO 23
TO 29 FT AFTER MIDNIGHT. RAIN.
.WED...SE WIND 40 TO 55 KT. SEAS 23 TO 32 FT.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 18 TO 25 FT.
.THU THROUGH SAT...E WIND 15 TO 30 KT. SEAS 13 TO 21 FT.

$$

PKZ412-311415-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
303 PM AKST MON JAN 30 2017

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

.TONIGHT...W WIND 15 TO 25 KT. SEAS 10 FT.
.TUE...SW WIND 10 TO 25 KT BECOMING SE 20 TO 35 KT IN THE
AFTERNOON. SEAS 9 FT.
.TUE NIGHT...SE WIND 30 TO 45 KT. SEAS 11 TO 19 FT.
.WED...SE WIND 35 TO 50 KT. SEAS 15 TO 30 FT.
.WED NIGHT...SE WIND 25 TO 40 KT. SEAS 19 TO 26 FT.
.THU...SE WIND 30 KT. SEAS 13 TO 21 FT.
.FRI THROUGH SAT...E WIND 30 KT. SEAS 9 TO 14 FT.

$$

PKZ413-311415-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
303 PM AKST MON JAN 30 2017

...STORM WARNING TUESDAY NIGHT...

.TONIGHT...W WIND 15 TO 30 KT BECOMING SW 10 TO 20 KT AFTER
MIDNIGHT. SEAS 8 TO 13 FT.
.TUE...S WIND 20 TO 35 KT BECOMING SE 30 TO 45 KT IN THE
AFTERNOON. SEAS 9 FT BUILDING TO 9 TO 16 FT IN THE AFTERNOON.
.TUE NIGHT...SE WIND 30 TO 45 KT INCREASING TO 40 TO 55 KT AFTER
MIDNIGHT. SEAS 15 TO 23 FT.
.WED...SE WIND 35 TO 50 KT. SEAS 19 TO 29 FT.
.WED NIGHT...SE WIND 25 TO 40 KT. SEAS 15 TO 23 FT.
.THU THROUGH SAT...E WIND 15 TO 30 KT. SEAS 10 TO 18 FT.

$$

PKZ414-311415-
BERING SEA OFFSHORE EAST OF 171W-
303 PM AKST MON JAN 30 2017

.TONIGHT...SW WIND 10 TO 25 KT. SEAS 7 TO 11 FT.
.TUE...SW WIND 10 TO 20 KT. SEAS 7 TO 11 FT.
.TUE NIGHT...SE WIND 15 TO 30 KT. SEAS 5 TO 9 FT.
.WED...SE WIND 20 TO 35 KT. SEAS 8 TO 13 FT.
.WED NIGHT...SE WIND 20 TO 35 KT. SEAS 9 TO 14 FT.
.THU THROUGH SAT...E WIND 20 TO 30 KT. SEAS 7 TO 12 FT.

$$

039 
FZAK62 PAFC 311259
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
359 AM AKST TUE JAN 31 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.

PKZ499-010230-
359 AM AKST TUE JAN 31 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A FRONT OVER THE
WESTERN ALEUTIANS MOVES TO THE CENTRAL BERING TONIGHT...THEN
REMAINS RELATIVELY STATIONARY OVER THE CENTRAL BERING THROUGH WED
NIGHT. THE ASSOCIATED NORTH PACIFIC LOW MOVES TO 52N 166E AT 957
MB TONIGHT BEFORE MOVING INLAND OVER THE KAMCHATKA PENINSULA WED
AFTERNOON.

$$

PKZ411-010230-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
359 AM AKST TUE JAN 31 2017

...STORM WARNING THROUGH WEDNESDAY...

.TODAY...SE WIND 25 TO 35 KT INCREASING TO 35 TO 50 KT BY MIDDAY.
SEAS 10 TO 15 FT BUILDING TO 17 TO 23 FT IN THE AFTERNOON. RAIN.
.TONIGHT...SE WIND 40 TO 50 KT. SEAS 17 TO 28 FT. RAIN.
.WED...SE WIND 35 TO 50 KT DIMINISHING TO 30 TO 40 KT IN THE
AFTERNOON. SEAS 21 TO 30 FT. RAIN.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 17 TO 25 FT.
.THU THROUGH SAT...E WIND 20 TO 35 KT. SEAS 12 TO 20 FT.

$$

PKZ412-010230-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
359 AM AKST TUE JAN 31 2017

...STORM WARNING WEDNESDAY...

.TODAY...SE WIND 10 TO 25 KT INCREASING TO 20 TO 35 KT IN THE
AFTERNOON. SEAS 8 TO 10 FT BUILDING TO 9 TO 14 FT IN THE AFTERNOON.
.TONIGHT...SE WIND 30 TO 45 KT. SEAS 11 TO 19 FT BUILDING TO 13 TO
24 FT AFTER MIDNIGHT.
.WED...SE WIND 35 TO 50 KT. SEAS 14 TO 28 FT.
.WED NIGHT...SE WIND 25 TO 40 KT. SEAS 19 TO 26 FT.
.THU THROUGH SAT...E WIND 20 TO 35 KT. SEAS 10 TO 18 FT.

$$

PKZ413-010230-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
359 AM AKST TUE JAN 31 2017

...STORM WARNING TONIGHT AND WEDNESDAY...

.TODAY...S WIND 15 TO 30 KT BECOMING SE 30 TO 45 KT IN THE
AFTERNOON. SEAS 9 TO 14 FT BUILDING TO 10 TO 18 FT IN THE
AFTERNOON.
.TONIGHT...SE WIND 30 TO 45 KT INCREASING TO 40 TO 55 KT AFTER
MIDNIGHT. SEAS 14 TO 21 FT BUILDING TO 15 TO 27 FT AFTER MIDNIGHT.
.WED...SE WIND 35 TO 50 KT. SEAS 18 TO 27 FT. RAIN.
.WED NIGHT...SE WIND 25 TO 40 KT. SEAS 15 TO 23 FT.
.THU THROUGH SAT...E WIND 20 TO 35 KT. SEAS 10 TO 18 FT.

$$

PKZ414-010230-
BERING SEA OFFSHORE EAST OF 171W-
359 AM AKST TUE JAN 31 2017

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...W WIND 10 TO 20 KT BECOMING S IN THE AFTERNOON. SEAS 7
TO 10 FT.
.TONIGHT...SE WIND 10 TO 25 KT INCREASING TO 20 TO 35 KT AFTER
MIDNIGHT. SEAS 6 TO 9 FT BUILDING TO 7 TO 13 FT AFTER MIDNIGHT.
.WED...SE WIND 20 TO 35 KT. SEAS 8 TO 13 FT BUILDING TO 11 TO 18
FT IN THE AFTERNOON. PATCHY FOG.
.WED NIGHT...SE WIND 20 TO 35 KT. SEAS 9 TO 14 FT.
.THU THROUGH SAT...E WIND 15 TO 30 KT. SEAS 6 TO 11 FT.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
438 PM AKST Fri Jan 27 2017

.ANALYSIS AND UPPER LEVELS...

There are several features impacting the weather over the southern
mainland and across the Bering Sea and Aleutian today. A large
upper level and surface low with a trough extends southeast across
the Alaska Peninsula to another surface and upper level low about
700 nm south of Kodiak island. Around the west side and south of
the Bering Sea low is the typical convective showery environment
with frequent showers transiting west to east across the Bering
Sea and Aleutians. A surface and upper level low is along the
North Gulf Coast pushing inland as it gradually dissipates to a
trough is spreading moisture across Prince William Sound and Southcentral
Alaska. This is maintaining the relatively warm showery weather
pattern across the region.

&&

.MODEL DISCUSSION...

The main challenge is the details and timing of the lows and
troughs embedded in the southerly and westerly flow of the main
upper low and long wave trough. The models are in generally good
agreement, though due to the smaller scale features having greater
impact, confidence in the timing and intensity and amount of
precipitation beyond the next 24 hours is low. The screaming
message is a continuation of the wet pattern through the weekend
into early next week for the entire Anchorage area of responsibility.

&&

.AVIATION...
PANC...VFR conditions are expected through late this afternoon.
The onset of snow will initially be light until the atmosphere
saturates thus mostly VFR conditions until early evening then
intermittent CIGS and VSBY dropping to MVFR through 06Z. Between
06Z to 12Z expect conditions to become predominantly MVFR for CIGS
and VSBY overnight.

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2...Sat and Sun)...
The low that drove northward through the Copper River Basin this
morning has left plenty of moisture across Southcentral AK.
Meanwhile, a fairly deep trough remains centered over the west
coast. Showery precipitation will continue along the Gulf Coast
behind the front as onshore flow persists. The trough to the west
is providing enough lift across the southern tip of the Kenai
Peninsula and into Cook Inlet to create some light precipitation.
It is still warm enough along the coast that many places are
reporting rain. But further north towards Anchorage and the Glenn
Highway, it is falling as very light snow. Cold air that has made
its way all the way around the base of the trough from the
Northern Bering will filter into the Kenai Peninsula and towards
the Prince William Sound into Sat. This should allow precipitation
to change over to snow for all locations. It will also help to
create a bit more lift to keep the snow going through the
overnight with a couple of inches of accumulation possible from
Anchorage towards the Matanuska Valley.

On Saturday, another strong low over the Eastern Gulf of AK will
move quickly to the north. This will resupply moisture to the area
while create some gale-force winds across the Northern Gulf.
Meanwhile, the trough to the west will become negatively tilted
allowing even more cold air to spill over Cook Inlet. The result
will be a long duration light snow for many places from Anchorage
to the Prince William Sound up to the Parks Highway. There is the
possibility of some banded precipitation setting up with this
event. This means that snow amounts could vary quite a bit from
place to place. The highest amounts are currently expected closer
towards Eagle River up through Wasilla. The event will likely last
late into the night Sat along the Hillside where cold air
advection with upslope flow will wring out the last bit of the
moisture. Sunday should bring much quiet conditions across the
area as a shortwave ridge moves through. Another light snow event
will then set up for Sun night-Mon.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)...
An upper level low over the northern Bering will move a shortwave inland
across the Southwest tonight. Snow develops this evening across
Bristol Bay as an associated surface trough slides inland along
the wave. A brief period of blowing snow can be expected along
the coast tonight along this trough. The next organized front
slides to the Alaska Peninsula on Sunday morning spreading snow to
the southwest coast in the afternoon.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...
An upper level low over the northern Bering initiating snow along
the northern waters, is pushed north later on Saturday as the
next strong front moves into the western Aleutians. This frontal
boundary makes eastward progress to the eastern Aleutians and
Pribilof Islands by Sunday morning. A warmer subtropical air mass
will change precipitation over to rain as the boundary moves
across the central and eastern Aleutians, with mixed precipitation
possible across the Pribilof Islands as the surface low center
races quickly to the northern Bering. Max gale southeasterly
winds will accompany the front with southwesterly winds in it's
wake.

&&

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

A pair of troughs will affect the entire forecast area Sun night
into Mon. In the eastern domain, an eastward moving trough will
bring snow to eastern Prince William Sound before exiting the
region early Mon. In the west, a front associated with a Bering
trough will make a windy and snowy landfall over Southwest AK
beginning Sun night. Between these features will lie the western
flank of an upper ridge. A disturbance moving along this western
flank will bring another round of snow to Southcentral AK Mon
afternoon.

Beginning Mon night a second trough begins to consolidate over the
central Bering. The associated front will bring more snow as it
makes landfall over Southwest AK Tue. High pressure will then
build over much of the Bering, effectively cutting off most
precipitation through the end of the workweek. A front approaching
the western Bering on Wed will become essentially stationary and
bring strong wind to the western Aleutians Wed into Thu.

Over the eastern domain south to southwest flow consolidates over
the Gulf and a stream of moisture continues to aim at the Kenai
and Prince William Sound through Tue. This will bring snow to
those areas, with lesser amounts over the rest of the region.
Precipitation will taper off on Wed as high pressure builds across
mainland AK. Thu into Fri a strong gradient sets up along the
north Gulf coast, with significant outflow winds developing into
Fri.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...None.
MARINE...Gale 119 173-176.

&&

SYNOPSIS AND MODEL DISCUSSION...SA
SOUTHCENTRAL ALASKA...MO
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...KH
LONG TERM...DS