Small Craft Advisory 370, NWS Anchorage, AK

369 
FZAK52 PAFC 081142
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
342 AM AKDT MON MAY 8 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.

PKZ199-090015-
342 AM AKDT MON MAY 8 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 996 MB LOW 165 NM SOUTH OF COLD BAY DRIFTS INTO THE NORTH 
PACIFIC AT 1003 MB BY TUE MORNING. A 996 MB LOW NEAR KAMCHATKA 
PUSHES A FRONT THROUGH CENTRAL ALEUTIANS THROUGH TUE AFTERNOON. A 
NEW 993 MB LOW FORMS TUE MORNING 430 NM WEST OF SHEMYA AND SLOWLY
MEANDERS TO 180 NM WEST OF SHEMYA AT 997 MB BY WED MORNING.

$$

PKZ150-090015-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NE WIND 15 KT. GUSTS TO 30 KT OUT OF SHELIKOF STRAIT.
SEAS 8 FT.
.TONIGHT...NE WIND 15 KT. GUSTS TO 30 KT OUT OF SHELIKOF STRAIT IN
THE EVENING. SEAS 7 FT.
.TUE...N WIND 15 KT. SEAS 6 FT.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT.
.WED...W WIND 15 KT. SEAS 3 FT.
.THU...S WIND 15 KT. SEAS 6 FT.
.FRI...SW WIND 20 KT. SEAS 10 FT.

$$

PKZ155-090015-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
342 AM AKDT MON MAY 8 2017

.TODAY...NE WIND 15 KT. SEAS 7 FT.
.TONIGHT...N WIND 15 KT. SEAS 6 FT.
.TUE...N WIND 10 KT. SEAS 5 FT.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS 4 FT.
.WED...S WIND 25 KT. SEAS 8 FT.
.THU...S WIND 25 KT. SEAS 13 FT.
.FRI...SW WIND 20 KT. SEAS 13 FT.

$$

PKZ160-090015-
BRISTOL BAY-
342 AM AKDT MON MAY 8 2017

.TODAY...NE WIND 20 KT. SEAS 3 FT.
.TONIGHT...NW WIND 15 KT BECOMING VARIABLE LESS THAN 10 KT AFTER
MIDNIGHT. SEAS 2 FT.
.TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FOOT.
.TUE NIGHT...W WIND 10 KT. SEAS 2 FT.
.WED...W WIND 10 KT. SEAS 1 FOOT.
.THU...SE WIND 15 KT. SEAS 2 FT.
.FRI...SW WIND 15 KT. SEAS 4 FT.

$$

PKZ165-090015-
PORT HEIDEN TO CAPE SARICHEF-
342 AM AKDT MON MAY 8 2017

.TODAY...NE WIND 15 KT. SEAS 4 FT.
.TONIGHT...N WIND 15 KT EXCEPT VARIABLE LESS THAN 10 KT W OF PORT
MOLLER. SEAS 4 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT.
.WED THROUGH THU...SE WIND 25 KT. SEAS 5 FT.
.FRI...SW WIND 15 KT. SEAS 7 FT.

$$

PKZ170-090015-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON.
SEAS 9 FT.
.TONIGHT...VARIABLE WIND 10 KT. SEAS 6 FT.
.TUE...VARIABLE WIND LESS THAN 10 KT BECOMING SE 15 KT IN THE
AFTERNOON. SEAS 4 FT.
.TUE NIGHT...SE WIND 20 KT. SEAS 4 FT.
.WED THROUGH THU...S WIND 30 KT. SEAS 10 FT.
.FRI...SW WIND 20 KT. SEAS 9 FT.

$$

PKZ171-090015-
UNALASKA BAY-
342 AM AKDT MON MAY 8 2017

.TODAY...N WIND 15 KT BECOMING VARIABLE LESS THAN 10 KT IN THE
AFTERNOON. GUSTS TO 30 KT IN THE MORNING. SEAS 5 FT SUBSIDING TO 3 
FT IN THE AFTERNOON.
.TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT.
.TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 2 FT.
.WED...SE WIND 20 KT. SEAS 3 FT.
.THU...S WIND 15 KT. SEAS 2 FT.
.FRI...SW WIND 15 KT. SEAS 2 FT.

$$

PKZ172-090015-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N WIND 25 KT BECOMING NW 15 KT IN THE AFTERNOON.
SEAS 7 FT.
.TONIGHT...NW WIND 10 KT. SEAS 4 FT.
.TUE...S WIND 15 KT. SEAS 3 FT.
.TUE NIGHT...SE WIND 20 KT. SEAS 5 FT.
.WED...SE WIND 30 KT. SEAS 10 FT.
.THU...S WIND 25 KT. SEAS 18 FT.
.FRI...SW WIND 20 KT. SEAS 15 FT.

$$

PKZ173-090015-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NW WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON.
SEAS 11 FT.
.TONIGHT...NW WIND 15 KT BECOMING SW AFTER MIDNIGHT. SEAS 7 FT.
.TUE...S WIND 20 KT. SEAS 5 FT.
.TUE NIGHT...SE WIND 20 KT. SEAS 5 FT.
.WED...SE WIND 30 KT. SEAS 11 FT.
.THU...S WIND 30 KT. SEAS 11 FT.
.FRI...SW WIND 20 KT. SEAS 8 FT.

$$

PKZ174-090015-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NW WIND 25 KT DIMINISHING TO 15 KT IN THE AFTERNOON.
SEAS 11 FT.
.TONIGHT...W WIND 15 KT BECOMING S AFTER MIDNIGHT. SEAS 6 FT.
.TUE...S WIND 20 KT. SEAS 6 FT.
.TUE NIGHT...SE WIND 20 KT. SEAS 7 FT.
.WED...S WIND 30 KT. SEAS 15 FT.
.THU...SW WIND 30 KT. SEAS 21 FT.
.FRI...SW WIND 25 KT. SEAS 16 FT.

$$

PKZ175-090015-
SEGUAM ISLAND TO ADAK BERING SIDE-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NW WIND 15 KT BECOMING S IN THE AFTERNOON. SEAS 9 FT.
.TONIGHT...S WIND 20 KT. SEAS 6 FT.
.TUE...S WIND 20 KT. SEAS 6 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 4 FT.
.WED...SE WIND 35 KT. SEAS 11 FT.
.THU...SW WIND 35 KT. SEAS 11 FT.
.FRI...S WIND 15 KT. SEAS 6 FT.

$$

PKZ176-090015-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY...

.TODAY...NW WIND 20 KT BECOMING SW IN THE AFTERNOON. SEAS 7 FT.
.TONIGHT...S WIND 25 KT. SEAS 6 FT.
.TUE...S WIND 20 KT. SEAS 8 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 7 FT.
.WED...SE WIND 40 KT. SEAS 24 FT.
.THU...SW WIND 40 KT. SEAS 24 FT.
.FRI...S WIND 25 KT. SEAS 14 FT.

$$

PKZ177-090015-
ADAK TO KISKA-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TODAY...SE WIND 15 KT IN THE MORNING INCREASING TO 30 KT.
SEAS 8 FT. RAIN.
.TONIGHT...S WIND 25 KT BECOMING SW 15 KT AFTER MIDNIGHT.
SEAS 9 FT. RAIN.
.TUE...S WIND 15 KT. SEAS 9 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 7 FT.
.WED...E WIND 35 KT. SEAS 13 FT.
.THU...W WIND 35 KT. SEAS 13 FT.
.FRI...S WIND 20 KT. SEAS 10 FT.

$$

PKZ178-090015-
KISKA TO ATTU-
342 AM AKDT MON MAY 8 2017

...GALE WARNING TODAY...

.TODAY...SE WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON.
SEAS 12 FT. RAIN.
.TONIGHT...SW WIND 20 KT. SEAS 10 FT.
.TUE...S WIND 20 KT. SEAS 8 FT.
.TUE NIGHT...S WIND 20 KT. SEAS 8 FT.
.WED...N WIND 25 KT. SEAS 9 FT.
.THU...W WIND 25 KT. SEAS 8 FT.
.FRI...SE WIND 25 KT. SEAS 9 FT.

$$

PKZ179-090015-
PRIBILOF ISLANDS NEAR SHORE WATERS-
342 AM AKDT MON MAY 8 2017

.TODAY...N WIND 20 KT DIMINISHING TO 10 KT IN THE AFTERNOON. GUSTS TO
30 KT IN THE MORNING. SEAS 7 FT. PATCHY FOG.
.TONIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. PATCHY FOG.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT. PATCHY FOG.
.TUE NIGHT...SE WIND 20 KT. SEAS 5 FT.
.WED THROUGH THU...SE WIND 30 KT. SEAS 10 FT.
.FRI...VARIABLE WIND 10 KT. SEAS 9 FT.

$$

PKZ180-090015-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
342 AM AKDT MON MAY 8 2017

.TODAY...E WIND 15 KT. SEAS 3 FT.
.TONIGHT...VARIABLE WIND LESS THAN 10 KT EXCEPT NW 15 KT S OF CAPE 
NEWENHAM. SEAS 3 FT. PATCHY FOG.
.TUE...VARIABLE WIND 10 KT. SEAS 2 FT. PATCHY FOG.
.TUE NIGHT...NW WIND 10 KT. SEAS 1 FOOT.
.WED THROUGH THU...SE WIND 20 KT. SEAS 5 FT.
.FRI...S WIND 10 KT. SEAS 6 FT.

$$

PKZ181-090015-
NORTH AND WEST OF NUNIVAK ISLAND-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E WIND 25 KT DIMINISHING TO 15 KT BY LATE MORNING.
SEAS IN ICE FREE WATERS 5 FT.
.TONIGHT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
PATCHY FOG.
.TUE...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
PATCHY FOG.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT.
.WED THROUGH THU...E WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.
.FRI...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 4 FT.

$$

PKZ185-090015-
SAINT MATTHEW ISLAND WATERS-
342 AM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N WIND 25 KT EXCEPT 15 KT W OF SAINT MATTHEW ISLAND.
SEAS IN ICE FREE WATERS 6 FT.
.TONIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.TUE...E WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT.
.TUE NIGHT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT.
.WED THROUGH THU...E WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT.
.FRI...NE WIND 20 KT. SEAS IN ICE FREE WATERS 8 FT.

$$

681 
FZAK52 PAFC 082329
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
329 PM AKDT MON MAY 8 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.

PKZ199-091215-
329 PM AKDT MON MAY 8 2017
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A FRONT DECAYS OVER THE EASTERN BERING BY TUE MORNING. A 994 MB 
KAMCHATKA LOW MERGES WITH A 994 MB NORTH PACIFIC LOW AND MOVES TO 
180 NM SOUTH OF AMCHITKA EXTENDING A FRONT INTO THE CENTRAL 
ALEUTIANS BY WED AFTERNOON.

$$

PKZ150-091215-
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-
329 PM AKDT MON MAY 8 2017

.TONIGHT...NE WIND 15 KT. SEAS 7 FT.
.TUE...N WIND 15 KT. SEAS 6 FT.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT.
.WED AND WED NIGHT...W WIND 15 KT. SEAS 4 FT.
.THU...S WIND 15 KT. SEAS 6 FT.
.FRI THROUGH SAT...W WIND 20 KT. SEAS 10 FT.

$$

PKZ155-091215-
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-
329 PM AKDT MON MAY 8 2017

.TONIGHT...N WIND 15 KT. SEAS 6 FT.
.TUE...N WIND 15 KT. SEAS 5 FT.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS 4 FT.
.WED...S WIND 20 KT. SEAS 4 FT.
.WED NIGHT...S WIND 25 KT. SEAS 8 FT.
.THU...S WIND 25 KT. SEAS 13 FT.
.FRI THROUGH SAT...SW WIND 20 KT. SEAS 12 FT.

$$

PKZ160-091215-
BRISTOL BAY-
329 PM AKDT MON MAY 8 2017

.TONIGHT...NW WIND 15 KT. SEAS 2 FT.
.TUE...VARIABLE WIND LESS THAN 10 KT BECOMING W 10 KT IN THE
AFTERNOON. SEAS 1 FOOT.
.TUE NIGHT...W WIND 10 KT. SEAS 2 FT.
.WED AND WED NIGHT...W WIND 10 KT. SEAS 2 FT.
.THU...SE WIND 15 KT. SEAS 2 FT.
.FRI THROUGH SAT...W WIND 15 KT. SEAS 5 FT.

$$

PKZ165-091215-
PORT HEIDEN TO CAPE SARICHEF-
329 PM AKDT MON MAY 8 2017

.TONIGHT...N WIND 15 KT. SEAS 4 FT.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT.
.WED...SE WIND 20 KT. SEAS 3 FT.
.WED NIGHT...SE WIND 25 KT. SEAS 5 FT.
.THU...SE WIND 25 KT. SEAS 5 FT.
.FRI THROUGH SAT...SW WIND 15 KT. SEAS 7 FT.

$$

PKZ170-091215-
CAPE SARICHEF TO NIKOLSKI BERING SIDE-
329 PM AKDT MON MAY 8 2017

.TONIGHT...VARIABLE WIND 10 KT. SEAS 6 FT.
.TUE...SE WIND 15 KT. SEAS 4 FT.
.TUE NIGHT...SE WIND 20 KT. SEAS 4 FT.
.WED...SE WIND 25 KT. SEAS 5 FT.
.WED NIGHT...SE WIND 30 KT. SEAS 7 FT.
.THU...S WIND 30 KT. SEAS 11 FT.
.FRI...SW WIND 20 KT. SEAS 9 FT.
.SAT...S WIND 15 KT. SEAS 6 FT.

$$

PKZ171-091215-
UNALASKA BAY-
329 PM AKDT MON MAY 8 2017

.TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT.
.TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 2 FT.
.WED AND WED NIGHT...SE WIND 25 KT. SEAS 3 FT.
.THU...S WIND 15 KT. SEAS 2 FT.
.FRI...SW WIND 15 KT. SEAS 2 FT.
.SAT...S WIND 10 KT. SEAS 2 FT.

$$

PKZ172-091215-
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-
329 PM AKDT MON MAY 8 2017

.TONIGHT...NW WIND 15 KT. SEAS 4 FT.
.TUE...S WIND 15 KT. SEAS 4 FT.
.TUE NIGHT...SE WIND 20 KT. SEAS 5 FT.
.WED...SE WIND 25 KT. SEAS 9 FT.
.WED NIGHT...S WIND 30 KT. SEAS 9 FT.
.THU...S WIND 25 KT. SEAS 18 FT.
.FRI...SW WIND 20 KT. SEAS 15 FT.
.SAT...S WIND 15 KT. SEAS 10 FT.

$$

PKZ173-091215-
NIKLOSKI TO SEGUAM ISLAND BERING SIDE-
329 PM AKDT MON MAY 8 2017

.TONIGHT...SW WIND 15 KT. SEAS 6 FT.
.TUE...S WIND 20 KT. SEAS 4 FT.
.TUE NIGHT...SE WIND 20 KT. SEAS 5 FT.
.WED AND WED NIGHT...S WIND 30 KT. SEAS 9 FT.
.THU...S WIND 30 KT. SEAS 13 FT.
.FRI...SW WIND 20 KT. SEAS 8 FT.
.SAT...SE WIND 15 KT. SEAS 6 FT.

$$

PKZ174-091215-
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-
329 PM AKDT MON MAY 8 2017

.TONIGHT...W WIND 15 KT. SEAS 6 FT.
.TUE...S WIND 20 KT. SEAS 5 FT.
.TUE NIGHT...SE WIND 20 KT. SEAS 7 FT.
.WED...SE WIND 25 KT. SEAS 8 FT.
.WED NIGHT...S WIND 30 KT. SEAS 13 FT.
.THU...SW WIND 30 KT. SEAS 20 FT.
.FRI...SW WIND 25 KT. SEAS 16 FT.
.SAT...SE WIND 20 KT. SEAS 10 FT.

$$

PKZ175-091215-
SEGUAM ISLAND TO ADAK BERING SIDE-
329 PM AKDT MON MAY 8 2017

.TONIGHT...S WIND 20 KT. SEAS 6 FT.
.TUE...S WIND 20 KT. SEAS 5 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 4 FT.
.WED...E WIND 30 KT. SEAS 7 FT.
.WED NIGHT...SE WIND 35 KT. SEAS 9 FT.
.THU...SW WIND 35 KT. SEAS 8 FT.
.FRI...S WIND 15 KT. SEAS 6 FT.
.SAT...SE WIND 15 KT. SEAS 6 FT.

$$

PKZ176-091215-
SEGUAM ISLAND TO ADAK PACIFIC SIDE-
329 PM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY NIGHT...

.TONIGHT...S WIND 25 KT. SEAS 6 FT.
.TUE...S WIND 20 KT. SEAS 7 FT.
.TUE NIGHT...SE WIND 15 KT. SEAS 8 FT.
.WED...SE WIND 25 KT. SEAS 8 FT.
.WED NIGHT...S WIND 40 KT. SEAS 15 FT.
.THU...SW WIND 40 KT. SEAS 20 FT.
.FRI...S WIND 25 KT. SEAS 14 FT.
.SAT...SE WIND 20 KT. SEAS 9 FT.

$$

PKZ177-091215-
ADAK TO KISKA-
329 PM AKDT MON MAY 8 2017

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...S WIND 30 KT BECOMING SW 20 KT AFTER MIDNIGHT. SEAS 9
FT. RAIN.
.TUE...S WIND 15 KT. SEAS 9 FT.
.TUE NIGHT...S WIND 15 KT. SEAS 7 FT.
.WED...E WIND 25 KT. SEAS 7 FT.
.WED NIGHT...NE WIND 35 KT. SEAS 11 FT.
.THU...W WIND 35 KT. SEAS 13 FT.
.FRI THROUGH SAT...SE WIND 20 KT. SEAS 9 FT.

$$

PKZ178-091215-
KISKA TO ATTU-
329 PM AKDT MON MAY 8 2017

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

.TONIGHT...SW WIND 20 KT. SEAS 10 FT. RAIN.
.TUE...S WIND 20 KT. SEAS 8 FT.
.TUE NIGHT...S WIND 20 KT. SEAS 8 FT.
.WED...E WIND 20 KT. SEAS 8 FT.
.WED NIGHT...N WIND 25 KT. SEAS 8 FT.
.THU...W WIND 25 KT. SEAS 9 FT.
.FRI THROUGH SAT...E WIND 25 KT. SEAS 9 FT.

$$

PKZ179-091215-
PRIBILOF ISLANDS NEAR SHORE WATERS-
329 PM AKDT MON MAY 8 2017

.TONIGHT...VARIABLE WIND 10 KT. SEAS 4 FT. PATCHY FOG.
.TUE...VARIABLE WIND 10 KT. SEAS 3 FT. PATCHY FOG.
.TUE NIGHT...SE WIND 20 KT. SEAS 4 FT.
.WED...SE WIND 20 KT. SEAS 5 FT.
.WED NIGHT...SE WIND 30 KT. SEAS 8 FT.
.THU...SE WIND 30 KT. SEAS 9 FT.
.FRI...VARIABLE WIND 10 KT. SEAS 9 FT.
.SAT...VARIABLE WIND 10 KT. SEAS 5 FT.

$$

PKZ180-091215-
KUSKOKWIM DELTA AND ETOLIN STRAIT-
329 PM AKDT MON MAY 8 2017

.TONIGHT...NW WIND 15 KT. SEAS 3 FT. PATCHY FOG.
.TUE...NW WIND 10 KT. SEAS 2 FT. PATCHY FOG.
.TUE NIGHT...W WIND 10 KT. SEAS 2 FT.
.WED...E WIND 15 KT. SEAS 2 FT.
.WED NIGHT...SE WIND 20 KT. SEAS 3 FT.
.THU...SE WIND 20 KT. SEAS 4 FT.
.FRI...S WIND 10 KT. SEAS 6 FT.
.SAT...W WIND 10 KT. SEAS 6 FT.

$$

PKZ181-091215-
NORTH AND WEST OF NUNIVAK ISLAND-
329 PM AKDT MON MAY 8 2017

.TONIGHT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT. PATCHY FOG.
.TUE...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG.
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.
.WED...SE WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.WED NIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.THU...E WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT.
.FRI...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 4 FT.
.SAT...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 3 FT.

$$

PKZ185-091215-
SAINT MATTHEW ISLAND WATERS-
329 PM AKDT MON MAY 8 2017

.TONIGHT...NE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.TUE...E WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT.
.TUE NIGHT...SE WIND 15 KT E OF SAINT MATTHEW ISLAND... SE 20 KT W
OF SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 6 FT.
.WED...SE WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT.
.WED NIGHT...E WIND 30 KT. SEAS IN ICE FREE WATERS 8 FT.
.THU...E WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.
.FRI...NE WIND 20 KT. SEAS IN ICE FREE WATERS 8 FT.
.SAT...NE WIND 15 KT. SEAS IN ICE FREE WATERS 6 FT.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
457 AM AKDT Sun May 7 2017

.ANALYSIS AND UPPER LEVELS...
Early this morning a stacked low spinning south of Kodiak is
bringing gale to storm force winds along the western gulf waters
with precipitation stretched along its boundary, extending from
the southwest mainland to the northeast gulf. The surface low is
slowing as it nears the southern mainland with the upper level
front pushing north and west. To the west, rather benign
conditions are across the western Bering as a ridge builds in from
the North Pacific.

&&

.MODEL DISCUSSION...
Models were in good agreement with the synoptic pattern through
the short range. The high resolution of the NAM was used to make
minor changes through Tuesday. The main challenge was focused
around the low making landfall today bringing gusty winds and
rain as it tracks along a counter-clockwise pattern into the
eastern Bering tonight and then southeast back into the North
Pacific by Tuesday.

&&

.AVIATION...
PANC...VFR conditions prevail through the next TAF package with
downsloping southeasterly flow across the Chugach keeping west
Anchorage dry. The front along the gulf moves slowly inland this
morning with a low level jet developing along a tightening
pressure gradient along the coast. Once the front pushes through
southeasterly winds mix down to the surface through the evening
then taper off overnight as the surface low moves across to the
eastern Bering. The timing of the wind gusts may need to be
adjusted as there is some uncertainty of the frontal passage.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3)...
A weather front over the northern Gulf of Alaska will weaken along
the Gulf Coast through Monday. Strong southeasterly cross-barrier
flow across the Chugach Mountains will keep most of rain along
the coasts with sprinkles or a few stray showers to the west.
Strong gap flows through Turnagain Arm and Portage Valley will
diminish through this afternoon. Locally brisk and gusty gap
flows are expected through the Knik River Valley and along the
Copper River during the afternoon and early evening hours today
and to a lesser extent on Monday.

&&

.FIRE WEATHER...
Near critical fire weather conditions are expected during the
afternoon and evening hours today out Knik river and along the
Copper river, with gusty winds (to 25 mph) and low RH's below 30
percent. Temperatures however are expected to remain below 65
degrees. On Monday, gusty afternoon and evening winds are likely
to redevelop, but should not be as strong as today and
temperatures will once again remain below critical values.

&&

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

Everything is on track with an area of low pressure forming south
of Kodiak Island this morning. The King Salmon NEXRAD currently
shows rainfall beginning to overspread the Bristol Bay area but it
looks like downsloping has begun to win out for locations between
Iliamna and Dillingham. This developing low pressure system will
move across the Alaska Peninsula late this morning into early this
afternoon which should allow rainfall to taper off across
Southwest Alaska. As the low translates into the Bering Sea, the
downslope component off the Alaska and Aleutian Ranges will weaken
which may allow a few showers to develop near King Salmon.
Otherwise, this low pressure system is forecasted to track back
into the Pacific Ocean on Monday which will allow the thermal
trough over interior Alaska to nose over portions of Southwest
Alaska. It looks like convective showers will be possible on
Tuesday but the lack of mid-level instability should help inhibit
any thunderstorm chances at this time.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...

A low pressure system south of Dutch Harbor will merge with a
developing area of low pressure system near Kodiak Island. This
will allow rainfall to continue across the Eastern Aleutians and
Pribilof Islands until the resultant low moves into the North
Pacific on Monday. By Sunday night, the next frontal boundary will
be moving into the western Bering Sea as an area of low pressure
tracks eastward off the Kamchatka Peninsula. Models are hinting at
pretty sizable PWAT values and are showing quite a bit of QPF
with this front. Gale force winds are expected to develop over the
western Bering Sea on Monday but should quickly weaken as it
shifts eastward.

&&

.LONG TERM FORECAST (Days 3 through 7)...
A vertically stacked low pressure system south of Nikolski will
slide eastward throughout the day while weakening, as a triple
point low develops south of the Alaska Peninsula late this
afternoon. This newly developing system will result in gusty
winds through Shelikof Strait and across portions of the Alaska
Peninsula, as well as bringing another round of rainy conditions
to the area. These two low pressure systems will merge Sunday
afternoon, and gradually weaken over the north Pacific while
slowly tracking eastward toward the Gulf of Alaska. The next
frontal system will approach the western Aleutians/Bering Sunday
afternoon, as a low pressure system pushes off the coast of
Kamchatka. A weak triple point low will develop just west of the
western Aleutians Monday morning, as the associated front begins
tracking through the Western Aleutians/Bering. This system will
bring gusty winds and rain to the area as it tracks eastward
during the day monday. The front will then dissipate by Tuesday
morning over the central Aleutians and Bering, as the parent low
dissipates over the western Bering.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...STORMS 130.
         GALES 119 120 125 131 138 139 174 178.
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...KH
SOUTHCENTRAL ALASKA...BC
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...MC
LONG TERM...LF