Gale Warning 338, NWS Anchorage, AK

366 
FZAK52 PAFC 222332 CCA
CWFALU

COASTAL WATERS FORECAST...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
332 PM AKDT MON MAY 22 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.

PKZ199-231245-
332 PM AKDT MON MAY 22 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

BOGOSLOF VOLCANO LOCATED APPROXIMATELY 55 NM WEST OF DUTCH
HARBOR IS CURRENTLY ACTIVE. A 990 MB LOW 320 NM NORTH OF SHEMYA
WILL MOVE TO 115 NM SOUTH OF GAMBELL AT 1000 MB BY WED AFTERNOON.
AN ASSOCIATED FRONT OVER THE CENTRAL BERING WILL MOVE INLAND OVER
THE SOUTHWEST COAST TONIGHT. ANOTHER FRONT OVER THE CENTRAL 
ALEUTIANS WILL MOVE TO THE EASTERN BERING TUE AFTERNOON AND MOVE 
INLAND OVER THE ALASKA PENINSULA TUE NIGHT.

$$

PKZ150-231245-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
332 PM AKDT MON MAY 22 2017

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...W WIND 25 KT. SEAS 9 FT.
.TUE...SW WIND 30 KT. SEAS 10 FT.
.TUE NIGHT...SW WIND 35 KT. SEAS 12 FT. RAIN.
.WED...SW WIND 30 KT. SEAS 13 FT.
.WED NIGHT...SW WIND 20 KT. SEAS 9 FT.
.THU...W WIND 15 KT. SEAS 7 FT.
.FRI...SW WIND 20 KT. SEAS 6 FT.
.SAT...SE WIND 25 KT. SEAS 9 FT.

$$

PKZ155-231245-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
332 PM AKDT MON MAY 22 2017

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

.TONIGHT...SW WIND 25 KT. SEAS 9 FT.
.TUE...SW WIND 35 KT. SEAS 12 FT. RAIN.
.TUE NIGHT...SW WIND 35 KT. SEAS 14 FT. RAIN.
.WED...SW WIND 25 KT. SEAS 12 FT.
.WED NIGHT...W WIND 20 KT. SEAS 9 FT.
.THU...W WIND 20 KT. SEAS 8 FT.
.FRI...SW WIND 20 KT. SEAS 9 FT.
.SAT...SE WIND 25 KT. SEAS 12 FT.

$$

PKZ160-231245-
BRISTOL BAY-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY TUESDAY NIGHT...

.TONIGHT...SW WIND 20 KT. SEAS 6 FT. RAIN.
.TUE...S WIND 20 KT. SEAS 5 FT. RAIN.
.TUE NIGHT...S WIND 25 KT. SEAS 6 FT. RAIN.
.WED AND WED NIGHT...SW WIND 20 KT. SEAS 6 FT.
.THU...W WIND 20 KT. SEAS 6 FT.
.FRI...S WIND 15 KT. SEAS 5 FT.
.SAT...SE WIND 20 KT. SEAS 4 FT.

$$

PKZ165-231245-
PORT HEIDEN TO CAPE SARICHEF-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS 9 FT. RAIN.
.TUE...S WIND 25 KT. SEAS 9 FT. RAIN.
.TUE NIGHT...SW WIND 25 KT. SEAS 9 FT. RAIN.
.WED AND WED NIGHT...W WIND 25 KT. SEAS 9 FT.
.THU...W WIND 20 KT. SEAS 8 FT.
.FRI...S WIND 20 KT. SEAS 6 FT.
.SAT...SE WIND 20 KT. SEAS 5 FT.

$$

PKZ170-231245-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS 10 FT. RAIN.
.TUE...S WIND 25 KT. SEAS 9 FT. RAIN.
.TUE NIGHT...W WIND 25 KT. SEAS 8 FT.
.WED AND WED NIGHT...W WIND 25 KT. SEAS 9 FT.
.THU...SW WIND 20 KT. SEAS 9 FT.
.FRI...S WIND 20 KT. SEAS 6 FT.
.SAT...SE WIND 15 KT. SEAS 6 FT.

$$

PKZ171-231245-
UNALASKA BAY-
332 PM AKDT MON MAY 22 2017

.TONIGHT...SW WIND 20 KT. SEAS 3 FT. RAIN.
.TUE...S WIND 20 KT. SEAS 3 FT. RAIN.
.TUE NIGHT...W WIND 15 KT. SEAS 2 FT. RAIN.
.WED...W WIND 25 KT. SEAS 4 FT.
.WED NIGHT...W WIND 20 KT. SEAS 3 FT.
.THU...W WIND 20 KT. SEAS 3 FT.
.FRI...S WIND 15 KT. SEAS 2 FT.
.SAT...SE WIND 10 KT. SEAS 2 FT.

$$

PKZ172-231245-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
332 PM AKDT MON MAY 22 2017

...GALE WARNING TUESDAY...

.TONIGHT...SW WIND 30 KT. SEAS 10 FT. RAIN.
.TUE...SW WIND 35 KT. SEAS 13 FT. RAIN.
.TUE NIGHT...SW WIND 30 KT. SEAS 14 FT. RAIN.
.WED AND WED NIGHT...W WIND 25 KT. SEAS 10 FT.
.THU...W WIND 20 KT. SEAS 8 FT.
.FRI...S WIND 25 KT. SEAS 11 FT.
.SAT...SE WIND 20 KT. SEAS 11 FT.

$$

PKZ173-231245-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS 10 FT. RAIN.
.TUE...SW WIND 30 KT BECOMING W 20 KT IN THE AFTERNOON. SEAS 9 FT.
.TUE NIGHT...W WIND 25 KT. SEAS 9 FT.
.WED...W WIND 25 KT. SEAS 10 FT.
.WED NIGHT...W WIND 20 KT. SEAS 9 FT.
.THU...SW WIND 20 KT. SEAS 8 FT.
.FRI...S WIND 25 KT. SEAS 7 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 6 FT.

$$

PKZ174-231245-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
332 PM AKDT MON MAY 22 2017

...GALE WARNING TUESDAY...

.TONIGHT...SW WIND 30 KT. SEAS 11 FT. RAIN.
.TUE...SW WIND 35 KT. SEAS 13 FT. RAIN.
.TUE NIGHT...W WIND 25 KT. SEAS 10 FT.
.WED...W WIND 25 KT. SEAS 10 FT.
.WED NIGHT...W WIND 20 KT. SEAS 10 FT.
.THU...SW WIND 20 KT. SEAS 8 FT.
.FRI...SW WIND 25 KT. SEAS 13 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 11 FT.

$$

PKZ175-231245-
SEGUAM ISLAND TO ADAK BERING SIDE-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW WIND 25 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. SEAS
10 FT. RAIN.
.TUE...W WIND 15 KT INCREASING TO 25 KT IN THE AFTERNOON. SEAS 8
FT.
.TUE NIGHT...W WIND 25 KT. SEAS 9 FT.
.WED...W WIND 25 KT. SEAS 10 FT.
.WED NIGHT...SW WIND 20 KT. SEAS 8 FT.
.THU THROUGH FRI...SW WIND 25 KT. SEAS 6 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 5 FT.

$$

PKZ176-231245-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW WIND 30 KT. SEAS 11 FT. RAIN.
.TUE...W WIND 30 KT DIMINISHING TO 20 KT IN THE AFTERNOON. SEAS
11 FT.
.TUE NIGHT...W WIND 25 KT. SEAS 10 FT.
.WED AND WED NIGHT...SW WIND 25 KT. SEAS 9 FT.
.THU...SW WIND 30 KT. SEAS 9 FT.
.FRI...SW WIND 30 KT. SEAS 14 FT.
.SAT...W WIND 15 KT. SEAS 10 FT.

$$

PKZ177-231245-
ADAK TO KISKA-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS 10 FT. RAIN.
.TUE...SW WIND 25 KT. SEAS 9 FT.
.TUE NIGHT...W WIND 25 KT. SEAS 10 FT.
.WED...W WIND 25 KT. SEAS 9 FT.
.WED NIGHT...SW WIND 30 KT. SEAS 9 FT.
.THU THROUGH FRI...W WIND 30 KT. SEAS 14 FT.
.SAT...W WIND 15 KT. SEAS 8 FT.

$$

PKZ178-231245-
KISKA TO ATTU-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS 12 FT.
.TUE...W WIND 25 KT. SEAS 9 FT.
.TUE NIGHT...W WIND 25 KT. SEAS 9 FT.
.WED...W WIND 20 KT. SEAS 8 FT.
.WED NIGHT...SW WIND 25 KT. SEAS 9 FT.
.THU...SW WIND 30 KT. SEAS 12 FT.
.FRI...W WIND 25 KT. SEAS 12 FT.
.SAT...W WIND 15 KT. SEAS 8 FT.

$$

PKZ179-231245-
PRIBILOF ISLANDS NEAR SHORE WATERS-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS 11 FT. RAIN.
.TUE...S WIND 15 KT. SEAS 9 FT.
.TUE NIGHT...W WIND 20 KT. SEAS 8 FT. RAIN SHOWERS.
.WED AND WED NIGHT...W WIND 25 KT. SEAS 9 FT.
.THU...W WIND 20 KT. SEAS 8 FT.
.FRI...S WIND 20 KT. SEAS 6 FT.
.SAT...SE WIND 15 KT. SEAS 7 FT.

$$

PKZ180-231245-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS 8 FT. RAIN.
.TUE...SW WIND 20 KT. SEAS 8 FT.
.TUE NIGHT...S WIND 25 KT. SEAS 7 FT.
.WED AND WED NIGHT...SW WIND 25 KT. SEAS 8 FT.
.THU...W WIND 20 KT. SEAS 8 FT.
.FRI...S WIND 20 KT. SEAS 5 FT.
.SAT...SE WIND 20 KT. SEAS 6 FT.

$$

PKZ181-231245-
NORTH AND WEST OF NUNIVAK ISLAND-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...S WIND 25 KT. SEAS 7 FT. RAIN SHOWERS.
.TUE...SW WIND 20 KT. SEAS 7 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 7 FT.
.WED AND WED NIGHT...W WIND 25 KT. SEAS 8 FT.
.THU...W WIND 20 KT. SEAS 8 FT.
.FRI...S WIND 15 KT. SEAS 4 FT.
.SAT...SE WIND 15 KT. SEAS 5 FT.

$$

PKZ185-231245-
SAINT MATTHEW ISLAND WATERS-
332 PM AKDT MON MAY 22 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...SE WIND 20 KT. SEAS 9 FT. RAIN AND SNOW SHOWERS.
.TUE...S WIND 25 KT. SEAS 11 FT.
.TUE NIGHT...S WIND 20 KT. SEAS 10 FT.
.WED AND WED NIGHT...W WIND 25 KT. SEAS 9 FT.
.THU...SW WIND 20 KT. SEAS 6 FT.
.FRI THROUGH SAT...SE WIND 15 KT. SEAS 6 FT.

$$

964 
FZAK52 PAFC 231158
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
358 AM AKDT TUE MAY 23 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.

PKZ199-240030-
358 AM AKDT TUE MAY 23 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
BOGOSLOF VOLCANO LOCATED APPROXIMATELY 55 NM WEST OF DUTCH
HARBOR IS CURRENTLY ACTIVE. A 993 MB LOW 320 NM SOUTHWEST OF GAMBELL
WILL MOVE TO 165 NM SOUTHWEST OF GAMBELL AT 1001 MB BY WED AFTERNOON
BEFORE BEING ABSORBED BY A DEVELOPING LOW NORTH OF THE BERING STRAIT
THU MORNING. AN ASSOCIATED FRONT OVER THE EASTERN BERING WILL MOVE 
INLAND OVER THE SOUTHWEST COAST TODAY. THE NEXT FRONT WILL APPROACH 
THE WESTERN ALEUTIANS BY THU MORNING.

$$

PKZ150-240030-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...SW WIND 30 KT. SEAS 11 FT.
.TONIGHT...SW WIND 30 KT. SEAS 13 FT. RAIN.
.WED...SW WIND 30 KT. SEAS 13 FT. RAIN.
.WED NIGHT...SW WIND 20 KT. SEAS 10 FT.
.THU...SW WIND 20 KT. SEAS 8 FT.
.FRI...SW WIND 15 KT. SEAS 6 FT.
.SAT...SE WIND 25 KT. SEAS 7 FT.

$$

PKZ155-240030-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
358 AM AKDT TUE MAY 23 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...SW WIND 35 KT. SEAS 13 FT. RAIN.
.TONIGHT...SW WIND 35 KT. SEAS 14 FT. RAIN.
.WED...W WIND 30 KT. SEAS 12 FT.
.WED NIGHT...W WIND 25 KT. SEAS 10 FT.
.THU...SW WIND 20 KT. SEAS 8 FT.
.FRI...S WIND 20 KT. SEAS 7 FT.
.SAT...SE WIND 20 KT. SEAS 7 FT.

$$

PKZ160-240030-
BRISTOL BAY-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY...

.TODAY...S WIND 20 KT. SEAS 5 FT. RAIN.
.TONIGHT...S WIND 25 KT. SEAS 6 FT. RAIN.
.WED...SW WIND 25 KT. SEAS 6 FT.
.WED NIGHT...SW WIND 20 KT. SEAS 7 FT.
.THU...SW WIND 25 KT. SEAS 7 FT.
.FRI...S WIND 15 KT. SEAS 4 FT.
.SAT...SE WIND 20 KT. SEAS 5 FT.

$$

PKZ165-240030-
PORT HEIDEN TO CAPE SARICHEF-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...S WIND 25 KT. SEAS 9 FT. RAIN.
.TONIGHT...SW WIND 25 KT. SEAS 8 FT. RAIN.
.WED...SW WIND 25 KT. SEAS 9 FT.
.WED NIGHT...W WIND 25 KT. SEAS 10 FT.
.THU...SW WIND 20 KT. SEAS 10 FT.
.FRI...S WIND 15 KT. SEAS 6 FT.
.SAT...SE WIND 20 KT. SEAS 5 FT.

$$

PKZ170-240030-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...S WIND 25 KT. SEAS 9 FT. RAIN.
.TONIGHT...W WIND 20 KT BECOMING SW 30 KT AFTER MIDNIGHT. 
SEAS 9 FT.
.WED...W WIND 30 KT. SEAS 10 FT.
.WED NIGHT...W WIND 25 KT. SEAS 11 FT.
.THU...W WIND 20 KT. SEAS 9 FT.
.FRI...S WIND 15 KT. SEAS 5 FT.
.SAT...E WIND 15 KT. SEAS 5 FT.

$$

PKZ171-240030-
UNALASKA BAY-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY TODAY AND WEDNESDAY...

.TODAY...SW WIND 25 KT. SEAS 4 FT. RAIN.
.TONIGHT...W WIND 20 KT. SEAS 3 FT.
.WED...W WIND 25 KT. SEAS 4 FT. RAIN SHOWERS.
.WED NIGHT...W WIND 25 KT. SEAS 4 FT.
.THU...W WIND 15 KT. SEAS 2 FT.
.FRI...S WIND 10 KT. SEAS 2 FT.
.SAT...SE WIND 10 KT. SEAS 2 FT.

$$

PKZ172-240030-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
358 AM AKDT TUE MAY 23 2017

...GALE WARNING TODAY...

.TODAY...SW WIND 35 KT. SEAS 14 FT. RAIN.
.TONIGHT...SW WIND 30 KT. SEAS 14 FT.
.WED...W WIND 25 KT. SEAS 11 FT.
.WED NIGHT...W WIND 25 KT. SEAS 10 FT.
.THU...W WIND 20 KT. SEAS 8 FT.
.FRI...S WIND 20 KT. SEAS 7 FT.
.SAT...SE WIND 15 KT. SEAS 5 FT.

$$

PKZ173-240030-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...SW WIND 30 KT BECOMING W 20 KT IN THE AFTERNOON. 
SEAS 10 FT.
.TONIGHT...W WIND 30 KT. SEAS 10 FT.
.WED...W WIND 30 KT. SEAS 12 FT.
.WED NIGHT...W WIND 25 KT. SEAS 11 FT.
.THU...W WIND 20 KT. SEAS 8 FT.
.FRI...S WIND 20 KT. SEAS 6 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 4 FT.

$$

PKZ174-240030-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
358 AM AKDT TUE MAY 23 2017

...GALE WARNING TODAY...

.TODAY...SW WIND 35 KT. SEAS 13 FT. RAIN.
.TONIGHT...W WIND 25 KT. SEAS 11 FT.
.WED...W WIND 25 KT. SEAS 11 FT.
.WED NIGHT...W WIND 25 KT. SEAS 10 FT.
.THU THROUGH FRI...SW WIND 25 KT. SEAS 9 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 4 FT.

$$

PKZ175-240030-
SEGUAM ISLAND TO ADAK BERING SIDE-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...W WIND 25 KT. SEAS 8 FT.
.TONIGHT...W WIND 30 KT. SEAS 11 FT.
.WED...W WIND 30 KT. SEAS 11 FT. PATCHY FOG.
.WED NIGHT...W WIND 25 KT. SEAS 9 FT.
.THU...W WIND 15 KT. SEAS 6 FT.
.FRI...SW WIND 20 KT. SEAS 6 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 4 FT.

$$

PKZ176-240030-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...W WIND 30 KT. SEAS 11 FT.
.TONIGHT...W WIND 25 KT. SEAS 10 FT.
.WED...W WIND 25 KT. SEAS 11 FT. PATCHY FOG.
.WED NIGHT...W WIND 25 KT. SEAS 9 FT.
.THU THROUGH FRI...SW WIND 25 KT. SEAS 10 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 6 FT.

$$

PKZ177-240030-
ADAK TO KISKA-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...W WIND 25 KT. SEAS 10 FT.
.TONIGHT...W WIND 30 KT. SEAS 10 FT. AREAS OF FOG.
.WED...W WIND 25 KT. SEAS 10 FT. AREAS OF FOG.
.WED NIGHT...SW WIND 30 KT. SEAS 9 FT.
.THU...W WIND 25 KT. SEAS 10 FT.
.FRI...W WIND 20 KT. SEAS 7 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 7 FT.

$$

PKZ178-240030-
KISKA TO ATTU-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...W WIND 25 KT. SEAS 10 FT.
.TONIGHT...W WIND 30 KT. SEAS 10 FT. AREAS OF FOG.
.WED...W WIND 20 KT. SEAS 8 FT. AREAS OF FOG.
.WED NIGHT...SW WIND 25 KT. SEAS 9 FT.
.THU...SW WIND 20 KT. SEAS 9 FT.
.FRI THROUGH SAT...W WIND 15 KT. SEAS 7 FT.

$$

PKZ179-240030-
PRIBILOF ISLANDS NEAR SHORE WATERS-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...SW WIND 15 KT. SEAS 9 FT.
.TONIGHT...SW WIND 20 KT. SEAS 8 FT. RAIN SHOWERS.
.WED...W WIND 25 KT. SEAS 10 FT. RAIN SHOWERS.
.WED NIGHT...W WIND 30 KT. SEAS 12 FT.
.THU...W WIND 20 KT. SEAS 9 FT.
.FRI...S WIND 15 KT. SEAS 5 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 5 FT.

$$

PKZ180-240030-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY...

.TODAY...SW WIND 20 KT. SEAS 7 FT.
.TONIGHT...S WIND 25 KT. SEAS 7 FT.
.WED...SW WIND 25 KT. SEAS 7 FT.
.WED NIGHT...SW WIND 25 KT. SEAS 9 FT.
.THU...W WIND 25 KT. SEAS 9 FT.
.FRI...S WIND 15 KT. SEAS 5 FT.
.SAT...SE WIND 20 KT. SEAS 5 FT.

$$

PKZ181-240030-
NORTH AND WEST OF NUNIVAK ISLAND-
358 AM AKDT TUE MAY 23 2017

.TODAY...S WIND 20 KT. SEAS 7 FT.
.TONIGHT...S WIND 15 KT. SEAS 6 FT.
.WED...SW WIND 20 KT. SEAS 6 FT.
.WED NIGHT...W WIND 20 KT. SEAS 7 FT.
.THU...W WIND 20 KT. SEAS 7 FT.
.FRI...S WIND 15 KT. SEAS 5 FT.
.SAT...SE WIND 15 KT. SEAS 5 FT.

$$

PKZ185-240030-
SAINT MATTHEW ISLAND WATERS-
358 AM AKDT TUE MAY 23 2017

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...S WIND 30 KT. SEAS 11 FT.
.TONIGHT...SW WIND 20 KT. SEAS 9 FT.
.WED...SW WIND 20 KT E OF SAINT MATTHEW ISLAND...NW 25 KT W OF SAINT
MATTHEW ISLAND. SEAS 9 FT.
.WED NIGHT...W WIND 25 KT. SEAS 8 FT.
.THU...W WIND 20 KT. SEAS 7 FT.
.FRI...S WIND 15 KT. SEAS 5 FT.
.SAT...SE WIND 15 KT. SEAS 5 FT.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
442 AM AKDT Mon May 22 2017

.ANALYSIS AND UPPER LEVELS...
A very dynamic pattern is on deck with broad troughing influencing
much of the region and sustaining two distinct systems. First,
there is a decaying occluded front that has pushed into the Kenai
Peninsula bringing a precipitation shield from Cook Inlet to
Cordova. Second, there is a mature cyclone impacting the western
Aleutians which has strong jet support.

&&

.MODEL DISCUSSION...
Good model consensus for the ensuing 96 hour forecast period as a
series of storms impact the region. The main event will be a
well-organized storm moves across the Aleutians and into
southcentral AK bringing a widespread batch of unsettled weather.
This is a high confidence event. The primary forecast challenge
will most likely prove to be the QPF.

&&

.AVIATION...

PANC...The remnants of a frontal boundary will bring rain and
reduced ceilings to PANC. The primary forecast challenge will be
pin-pointing the timing of the changes in cigs. Winds are
projected to be southerly today.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...
A brief break from steadier rain today and Tuesday with showers
before rain once again comes back on Wednesday. The previous upper
low is now pushing into the Interior. Lingering cold air aloft,
some clearing of clouds/surface heating today, and convergence
around Turnagain Arm will keep isolated to scattered showers in
the forecast. A weak trough also slides overhead tonight, so
we won't likely be completely dry, but the widespread rain will be
over. As we lose clouds and wind Tuesday morning, recent low-
level moisture could promote fog development around Cook Inlet.
I'd like to see a bit more ridging aloft and subsidence, but
moisture and slack flow should be enough for patchy stuff.

Tuesday should be mostly dry, but middle and high clouds will
quickly be rolling in ahead of a pattern change for mid-week. A
strong jet stream will punch in from the west, bringing load of
moisture with it. Expect a return of steady rain and even some
wind on Wednesday.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)...
The weak frontal system along the coast will continue to shear
apart today as most of the energy from the associated upper level
trough crosses the Alaska Peninsula and tracks away to east
across the Gulf. Showery conditions will continue across Southwest
Alaska this afternoon through tonight as the remnants of the
trough swing across southwest Alaska. The next incoming frontal
system will reach the coast early Tuesday morning followed by
a stronger and rather wet system Tuesday night and Wednesday.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...
The frontal system currently pushing through the western Aleutians
will continue east into the central Bering today and eastern
Bering tonight. A developing wave along the front further to the
south will swing into the central Aleutians tonight, continue
east across the eastern Aleutians and Alaska Peninsula Tuesday and
then cross Bristol Bay Tuesday afternoon and evening. The large
vertically stacked parent low will track across the western Bering
today and tonight, into the northern Bering Tuesday and continue
east to the Y-K Delta through Wednesday night.

&&

.LONG TERM FORECAST (Days 4 through 7)...An amplifying trough
digging through the Bering sea and Aleutian chain will continue to
shift eastward Wednesday morning, with a blocking ridge building
over the Gulf of Alaska slowing the eastward progression of the
trough. This will keep a steady supply of wet and windy conditions
over much of the southern mainland through the end of the week.
Models continue to come into better agreement with bringing this
unseasonably moist airmass (based on forecasted precipitable water
values) to mainland Alaska.

One of the biggest struggles in the extended forecast will be the
timing of when high pressure builds back into the gulf and if/when
showers over the southern Mainland tapper off. Latest model runs
suggest this wet pattern will begin to dissipate during the
Memorial Day weekend, as models remain firm on bringing the ridge
of high pressure over the Northern gulf. However, there still
remains some uncertainty as these models are showing a chance of
some showers making it over the ridge and into the cook inlet
region Sunday. If this ridge builds into the area stronger than
currently progged, there remains some potential to bring warmer
and drier conditions to Southcentral Alaska over the weekend and
into Monday. Given the current model discrepancies, forecast
confidence remains low in a completely warm and dry scenario.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...GALE 155 172 174.
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...PJS
SOUTHCENTRAL ALASKA...ML
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...JR
LONG TERM...TP