Coastal Waters Forecast
Issued by NWS

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344
FZAK52 PAFC 201217
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
317 AM AKST MON FEB 20 2017

COASTAL WATERS FORECAST FOR SOUTHWEST ALASKA+BRISTOL BAY+THE
ALASKA PENINSULA WATERS AND THE ALEUTIAN ISLANDS UP TO 100 NM OUT.

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ199-210130-
317 AM AKST MON FEB 20 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
BOGOSLOF VOLCANO 53 NM WEST OF DUTCH HARBOR REMAINS ACTIVE.
A 956 MB LOW 100 NM SOUTH OF SHEMYA MOVES TO 200 NM NORTHWEST OF
SHEMYA 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 600 NM
SOUTHWEST OF SHEMYA TUE MORNING MOVES TO 225 NM WEST OF SHEMYA AT
948 MB LATE TUE NIGHT.

$$

PKZ150-210130-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
317 AM AKST MON FEB 20 2017

...HEAVY FREEZING SPRAY WARNING TODAY...
...SMALL CRAFT ADVISORY TODAY AND TUESDAY...

.TODAY...NW WIND 25 KT. GUSTS TO 40 KT OUT OF BAYS AND PASSES IN
THE MORNING. SEAS 5 FT. HEAVY FREEZING SPRAY NEAR THE COAST.
.TONIGHT...VARIABLE WIND 15 KT. SEAS 4 FT. FREEZING SPRAY.
.TUE...S WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 5
FT BUILDING TO 9 FT IN THE AFTERNOON. SNOW AND RAIN.
.TUE NIGHT...SW WIND 30 KT. SEAS 13 FT.
.WED...SW WIND 20 KT. SEAS 12 FT.
.THU...S WIND 25 KT. SEAS 14 FT.
.FRI...SW WIND 20 KT. SEAS 13 FT.

$$

PKZ155-210130-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
317 AM AKST MON FEB 20 2017

...GALE WARNING TONIGHT...

.TODAY...VARIABLE WIND 10 KT BECOMING SE 20 KT IN THE AFTERNOON.
FROM THE SHUMAGIN ISLANDS E...N WIND 15 KT IN THE MORNING BECOMING
VARIABLE 10 KT. SEAS 5 FT.
.TONIGHT...SE WIND 35 KT...SEAS 8 FT BUILDING TO 14 FT AFTER
MIDNIGHT. FROM THE SHUMAGIN ISLANDS E...VARIABLE WIND 10 KT
BECOMING SE 25 KT AFTER MIDNIGHT...SEAS 5 FT. FREEZING SPRAY.
SNOW.
.TUE...SE WIND 30 KT. SEAS 17 FT EXCEPT 13 FT FROM THE SHUMAGIN
ISLANDS E. RAIN AND SNOW.
.TUE NIGHT...SW WIND 25 KT. SEAS 16 FT.
.WED THROUGH THU...S WIND 35 KT. SEAS 19 FT.
.FRI...SW WIND 20 KT. SEAS 15 FT.

$$

PKZ160-210130-
BRISTOL BAY-
317 AM AKST MON FEB 20 2017

...GALE WARNING TUESDAY...

.TODAY...NE WIND 10 KT.
.TONIGHT...E WIND 20 KT.
.TUE...E WIND 35 KT. SNOW.
.TUE NIGHT...S WIND 20 KT.
.WED THROUGH THU...S WIND 25 KT.
.FRI...SW WIND 20 KT.

$$

PKZ165-210130-
PORT HEIDEN TO CAPE SARICHEF-
317 AM AKST MON FEB 20 2017

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

.TODAY...E WIND 20 KT EXCEPT VARIABLE 10 KT FROM PORT MOLLER E.
SEAS 3 FT. FREEZING SPRAY.
.TONIGHT...E WIND 30 KT BECOMING SE 40 KT AFTER MIDNIGHT. GUSTS TO
50 KT OUT OF BAYS AND PASSES. FROM PORT MOLLER E...E WIND 20 KT
INCREASING TO 30 KT AFTER MIDNIGHT. SEAS 8 FT. FREEZING SPRAY.
.TUE...SE WIND 35 KT. GUSTS TO 50 KT OUT OF BAYS AND PASSES. SEAS
8 FT. HEAVY FREEZING SPRAY. RAIN AND SNOW.
.TUE NIGHT...SW WIND 30 KT. SEAS 10 FT.
.WED...S WIND 35 KT. SEAS 11 FT.
.THU...S WIND 30 KT. SEAS 11 FT.
.FRI...SW WIND 25 KT. SEAS 11 FT.

$$

PKZ170-210130-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
317 AM AKST MON FEB 20 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND 40 KT. GUSTS TO 55 KT OUT OF BAYS AND PASSES. SEAS
7 FT BUILDING TO 11 FT IN THE AFTERNOON. FREEZING SPRAY. SNOW.
.TONIGHT...SE WIND 45 KT. GUSTS TO 55 KT OUT OF BAYS AND PASSES IN
THE EVENING. SEAS 13 FT. SNOW AND RAIN.
.TUE...W WIND 25 KT. SEAS 10 FT.
.TUE NIGHT...S WIND 35 KT. SEAS 13 FT.
.WED...S WIND 40 KT. SEAS 15 FT.
.THU...S WIND 30 KT. SEAS 12 FT.
.FRI...S WIND 30 KT. SEAS 16 FT.

$$

PKZ171-210130-
UNALASKA BAY-
317 AM AKST MON FEB 20 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND 20 KT INCREASING TO 35 KT IN THE AFTERNOON. SEAS
3 FT BUILDING TO 5 FT IN THE AFTERNOON. SNOW.
.TONIGHT...SE WIND 40 KT DIMINISHING TO 30 KT AFTER MIDNIGHT.
GUSTS TO 50 KT IN THE EVENING. SEAS 5 FT. SNOW AND RAIN.
.TUE...W WIND 20 KT. SEAS 2 FT. RAIN AND SNOW.
.TUE NIGHT...S WIND 25 KT. SEAS 4 FT.
.WED...S WIND 35 KT. SEAS 5 FT.
.THU THROUGH FRI...S WIND 20 KT. SEAS 3 FT.

$$

PKZ172-210130-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
317 AM AKST MON FEB 20 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND INCREASING TO 40 KT. SEAS 8 FT BUILDING TO 15 FT
IN THE AFTERNOON. FREEZING SPRAY. SNOW.
.TONIGHT...SE WIND 40 KT...EXCEPT BECOMING W 25 KT AFTER MIDNIGHT
W OF UNALASKA. SEAS 18 FT. SNOW AND RAIN.
.TUE...W WIND 30 KT. SEAS 17 FT. SNOW.
.TUE NIGHT...S WIND 30 KT. SEAS 17 FT.
.WED...S WIND 40 KT. SEAS 24 FT.
.THU...SW WIND 35 KT. SEAS 24 FT.
.FRI...SW WIND 25 KT. SEAS 13 FT.

$$

PKZ173-210130-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
317 AM AKST MON FEB 20 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE WIND 45 KT. SEAS 17 FT. RAIN AND SNOW.
.TONIGHT...S WIND 35 KT BECOMING W 25 KT AFTER MIDNIGHT. SEAS 13
FT. RAIN.
.TUE...S WIND 30 KT. SEAS 12 FT. RAIN.
.TUE NIGHT...S WIND 40 KT. SEAS 14 FT.
.WED...S WIND 40 KT. SEAS 17 FT.
.THU...S WIND 25 KT. SEAS 13 FT.
.FRI...S WIND 35 KT. SEAS 18 FT.

$$

PKZ174-210130-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
317 AM AKST MON FEB 20 2017

...GALE WARNING THROUGH TUESDAY...

.TODAY...SE WIND 45 KT. SEAS 18 FT. RAIN AND SNOW.
.TONIGHT...S WIND 35 KT DIMINISHING TO W 25 KT AFTER MIDNIGHT.
SEAS 19 FT. RAIN.
.TUE...SW WIND 25 KT BECOMING S 35 KT IN THE AFTERNOON. SEAS 19
FT. RAIN.
.TUE NIGHT...S WIND 40 KT. SEAS 20 FT.
.WED...S WIND 40 KT. SEAS 25 FT.
.THU...SW WIND 20 KT. SEAS 22 FT.
.FRI...S WIND 30 KT. SEAS 19 FT.

$$

PKZ175-210130-
SEGUAM ISLAND TO ADAK BERING SIDE-
317 AM AKST MON FEB 20 2017

...GALE WARNING TODAY AND TUESDAY...

.TODAY...SE WIND 45 KT BECOMING SW 20 KT IN THE AFTERNOON. SEAS
17 FT. RAIN.
.TONIGHT...SW WIND 25 KT. SEAS 11 FT.
.TUE...SW WIND 25 KT BECOMING S 35 KT IN THE AFTERNOON. SEAS 13
FT. RAIN AND SNOW.
.TUE NIGHT...S WIND 40 KT. SEAS 14 FT.
.WED...S WIND 40 KT. SEAS 15 FT.
.THU...S WIND 30 KT. SEAS 12 FT.
.FRI...S WIND 40 KT. SEAS 19 FT.

$$

PKZ176-210130-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
317 AM AKST MON FEB 20 2017

...GALE WARNING TODAY AND TUESDAY...

.TODAY...S WIND 45 KT BECOMING SW 25 KT IN THE AFTERNOON. SEAS
22 FT. RAIN.
.TONIGHT...W WIND 25 KT. SEAS 22 FT.
.TUE...SW WIND 30 KT BECOMING S 40 KT IN THE AFTERNOON. SEAS 21
FT. RAIN AND SNOW.
.TUE NIGHT...S WIND 45 KT. SEAS 26 FT.
.WED...SW WIND 45 KT. SEAS 27 FT.
.THU...SW WIND 25 KT. SEAS 21 FT.
.FRI...S WIND 40 KT. SEAS 23 FT.

$$

PKZ177-210130-
ADAK TO KISKA-
317 AM AKST MON FEB 20 2017

...STORM WARNING TODAY...

.TODAY...S WIND 55 KT BECOMING SW 45 KT IN THE AFTERNOON. SEAS 26
FT BERING SIDE...34 FT PACIFIC SIDE.
.TONIGHT...SW WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT.
SEAS 26 FT.
.TUE...S WIND 40 KT. SEAS 22 FT. RAIN AND SNOW.
.TUE NIGHT...S WIND 40 KT. SEAS 27 FT.
.WED THROUGH THU...S WIND 35 KT. SEAS 25 FT.
.FRI...S WIND 45 KT. SEAS 26 FT.

$$

PKZ178-210130-
KISKA TO ATTU-
317 AM AKST MON FEB 20 2017

...STORM WARNING TODAY...

.TODAY...SE WIND 55 KT BECOMING SW 35 KT IN THE AFTERNOON. SEAS
29 FT BERING SIDE...34 FT PACIFIC SIDE. RAIN SHOWERS.
.TONIGHT...SW WIND 35 KT. SEAS 30 FT.
.TUE...SE WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. SEAS
22 FT. RAIN AND SNOW.
.TUE NIGHT...S WIND 35 KT. SEAS 26 FT.
.WED THROUGH THU...S WIND 40 KT. SEAS 26 FT.
.FRI...S WIND 45 KT. SEAS 28 FT.

$$

PKZ179-210130-
PRIBILOF ISLANDS NEAR SHORE WATERS-
317 AM AKST MON FEB 20 2017

...GALE WARNING THROUGH TUESDAY...

.TODAY...E WIND 25 KT BECOMING SE 35 KT IN THE AFTERNOON. SEAS 5
FT BUILDING TO 10 FT IN THE AFTERNOON. FREEZING SPRAY.
.TONIGHT...E WIND 45 KT. SEAS 19 FT. FREEZING SPRAY. SNOW.
.TUE...SE WIND 40 KT BECOMING SW 20 KT IN THE AFTERNOON. SEAS 18
FT SUBSIDING TO 12 FT IN THE AFTERNOON. SNOW.
.TUE NIGHT...S WIND 30 KT. SEAS 13 FT.
.WED...S WIND 35 KT. SEAS 17 FT.
.THU...S WIND 20 KT. SEAS 14 FT.
.FRI...S WIND 30 KT. SEAS 22 FT.

$$

PKZ180-210130-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
317 AM AKST MON FEB 20 2017

...GALE WARNING TUESDAY...

.TODAY...NE WIND 10 KT BECOMING E IN THE AFTERNOON.
.TONIGHT...E WIND INCREASING TO 25 KT.
.TUE...E WIND 35 KT. SNOW.
.TUE NIGHT...S WIND 20 KT.
.WED THROUGH FRI...S WIND 30 KT.

$$

PKZ181-210130-
NORTH AND WEST OF NUNIVAK ISLAND-
317 AM AKST MON FEB 20 2017

...BRISK WIND ADVISORY TONIGHT AND TUESDAY...

.TODAY...E WIND 15 KT.
.TONIGHT...E WIND 25 KT.
.TUE...E WIND 30 KT. SNOW.
.TUE NIGHT...NE WIND 25 KT.
.WED...SE WIND 30 KT.
.THU...S WIND 25 KT.
.FRI...S WIND 30 KT.

$$

PKZ185-210130-
SAINT MATTHEW ISLAND WATERS-
317 AM AKST MON FEB 20 2017

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

.TODAY...E WIND INCREASING TO 25 KT E OF SAINT MATTHEW ISLAND...E
WIND INCREASING TO 40 KT W OF SAINT MATTHEW ISLAND. SEAS IN ICE
FREE WATERS 10 FT. HEAVY FREEZING SPRAY.
.TONIGHT...E WIND 30 KT E OF SAINT MATTHEW ISLAND...E 40 KT W OF
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 18 FT. HEAVY
FREEZING SPRAY.
.TUE...E WIND 40 KT. SEAS IN ICE FREE WATERS 21 FT. HEAVY FREEZING
SPRAY.
.TUE NIGHT...NE WIND 50 KT. SEAS IN ICE FREE WATERS 20 FT.
.WED...SE WIND 50 KT. SEAS IN ICE FREE WATERS 19 FT.
.THU...S WIND 30 KT. SEAS IN ICE FREE WATERS 16 FT.
.FRI...S WIND 35 KT. SEAS IN ICE FREE WATERS 26 FT.

$$



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