Gale Warning 531, NWS Anchorage, AK

000 
FZAK61 PAFC 122300
OFFAER

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT FRI SEP 12 2008

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.

PKZ399-131400-
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A WEATHER FRONT OVER THE WESTERN GULF WILL MOVE INTO THE EASTERN 
GULF SUN AFTERNOON.

$$

PKZ351-131400-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT FRI SEP 12 2008

.TONIGHT...S WIND 25 KT. SEAS BUILDING TO 12 FT. RAIN.
.SAT...SE WIND 30 KT. SEAS 12 FT. RAIN.
.SAT NIGHT...SE WIND 25 KT. SEAS 11 FT. RAIN.
.SUN AND SUN NIGHT...SW WIND 20 KT. SEAS 8 FT. 
.MON...E WIND 30 KT. SEAS 8 FT. 
.TUE...E WIND 30 KT. SEAS 10 FT. 
.WED...NE WIND 15 KT. SEAS 9 FT.  

$$

PKZ352-131400-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT FRI SEP 12 2008

...GALE WARNING TONIGHT...

.TONIGHT...S WIND 35 KT. SEAS 14 FT. RAIN.
.SAT...SE WIND 30 KT. SEAS 14 FT. RAIN.
.SAT NIGHT...S WIND 25 KT. SEAS 11 FT. 
.SUN...SW WIND 25 KT. SEAS 9 FT. 
.SUN NIGHT...SW WIND 20 KT. SEAS 9 FT. 
.MON...E WIND 30 KT. SEAS 8 FT. 
.TUE...E WIND 30 KT. SEAS 10 FT. 
.WED...N WIND 20 KT. SEAS 10 FT.  

$$

000 
FZAK61 PAFC 131130
OFFAER

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT SAT SEP 13 2008

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.

PKZ399-140200-
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...A WEATHER FRONT OVER THE
WESTERN GULF MOVES INTO THE NORTHERN AND EASTERN GULF TONIGHT AND SUN
MORNING...THEN ONSHORE SUN AFTERNOON AND EVENING.

$$

PKZ351-140200-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 AM AKDT SAT SEP 13 2008

...GALE WARNING TODAY...

.TODAY...SE WIND 35 KT. SEAS 15 FT. RAIN.
.TONIGHT...S WIND 20 KT. SEAS SUBSIDING TO 11 FT. 
.SUN...SW WIND 20 KT. SEAS 10 FT. 
.SUN NIGHT...SW WIND 15 KT. SEAS 9 FT. 
.MON...NE WIND 25 KT. SEAS 10 FT. 
.TUE...NW WIND 25 KT. SEAS 10 FT. 
.WED...SW WIND 20 KT. SEAS 8 FT.  

$$

PKZ352-140200-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 AM AKDT SAT SEP 13 2008

...GALE WARNING TODAY...

.TODAY...SE WIND 35 KT BECOMING S 25 KT IN THE AFTERNOON. SEAS
15 FT. 
.TONIGHT...S WIND 25 KT. SEAS 11 FT. 
.SUN...SW WIND 20 KT. SEAS 10 FT. 
.SUN NIGHT...S WIND 20 KT. SEAS 9 FT. 
.MON...N WIND 25 KT. SEAS 10 FT. 
.TUE...W WIND 25 KT. SEAS 10 FT. 
.WED...SW WIND 25 KT. SEAS 8 FT.  

$$

000 
FZAK61 PAFC 132304
OFFAER

OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SAT SEP 13 2008

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.

PKZ399-141400-
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 992 MB LOW NEAR 57N 162W WILL WEAKEN AND DRIFT NORTHWEST SAT 
NIGHT. A 997 MB LOW WILL MOVE TO 54N 146W MON AFTERNOON.

$$

PKZ351-141400-
GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W
400 PM AKDT SAT SEP 13 2008

.TONIGHT...SE WIND 25 KT BECOMING SW 20 KT. SEAS 11 FT. 
.SUN...SW WIND 20 KT. SEAS 10 FT. 
.SUN NIGHT...SW WIND 15 KT. SEAS 9 FT. 
.MON...E WIND 25 KT. SEAS 9 FT. 
.MON NIGHT...N WIND 25 KT. SEAS 10 FT. 
.TUE...W WIND 25 KT. SEAS 9 FT. 
.WED...W WIND 20 KT. SEAS 8 FT. 
.THU...SE WIND 25 KT. SEAS 8 FT.  

$$

PKZ352-141400-
GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF
144W
400 PM AKDT SAT SEP 13 2008

.TONIGHT...SE WIND 25 KT BECOMING SW 20 KT. SEAS 11 FT. 
.SUN...SW WIND 20 KT. SEAS 10 FT. 
.SUN NIGHT...SW WIND 20 KT. SEAS 9 FT. 
.MON...NE WIND 25 KT. SEAS 9 FT. 
.MON NIGHT...NW WIND 25 KT. SEAS 10 FT. 
.TUE...W WIND 25 KT. SEAS 9 FT. 
.WED...W WIND 20 KT. SEAS 8 FT. 
.THU...S WIND 25 KT. SEAS 9 FT.  

$$

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM AKDT THU SEP 11 2008

.MODEL DISCUSSION...
MODELS REMAIN IN GOOD AGREEMENT THROUGH SATURDAY AFTERNOON BUT BEGIN
TO HAVE DIVERGENT SOLUTIONS FROM THAT POINT ONWARD. ECMWF CONTINUES
TO MOVE THE NEXT LOW PRESSURE SYSTEM MOVING THROUGH THE ALEUTIANS
THIS WEEKEND FASTER THAN THE OTHER MODELS. GSF CONTINUES TO BE A MORE
CONSISTENT MODEL AND REMAIN IN GOOD AGREEMENT WITH OTHER GLOBAL AND
HEMISPHERIC MODELS.

.ANALYSIS AND UPPER LEVELS...
AN UPPER LOW REMAINS NEARLY STATIONARY OVER THE BEAUFORT SEA WHILE AN
WEAK UPPER RIDGE MOVES INTO THE GULF OF ALASKA. ANOTHER UPPER LOW
OVER THE CENTRAL ALEUTIANS IS VERTICALLY STACKED OVER THE SURFACE LOW
AND BOTH ARE SLOWLY MOVING EAST.

AT THE SURFACE...A WEAK TROUGH EXTENDS ACROSS THE CENTRAL INTERIOR
AND SOUTHWEST ALASKA. THE ATMOSPHERE REMAINS SOMEWHAT UNSTABLE
THROUGH THIS AREA AND SCATTERED SHOWERS ARE EXPECTED TO DEVELOP THIS
AFTERNOON AND EVENING. THE STRONG LOW PRESSURE SYSTEM SOUTH OF THE
CENTRAL ALEUTIANS CONTINUES TO MOVE EAST WITH AN OCCLUDED FRONT
SWINGING NORTHEAST THROUGH THE ALASKA PENINSULA AND SOUTHERN BRISTOL
BAY. AREAS OF RAIN AND GUSTY WINDS MOVE AHEAD OF THE FRONT.

.SHORT TERM FORECAST...
THE UPPER LOW OVER THE THE CENTRAL ALEUTIANS WILL MOVE NORTHEAST INTO
THE ALASKA PENINSULA AND BRISTOL BAY SATURDAY AFTERNOON. THE UPPER
RIDGE OVER THE GULF WILL FORM A BLOCK ALONG SOUTHEAST ALASKA AND THE
YUKON TERRITORY SATURDAY NIGHT.

THE SURFACE LOW WILL REMAIN BENEATH THE UPPER CENTER AS IT MOVES INTO
BRISTOL BAY SATURDAY. THE OCCLUDED FRONT WILL CONTINUE TO MOVE
NORTHEAST THROUGH BRISTOL BAY TONIGHT AND INTO KODIAK ISLAND AND
SOUTHWEST ALASKA FRIDAY. THE FRONT WILL WEAKEN OVER THE SOUTHWEST
INTERIOR FRIDAY NIGHT BUT WILL CONTINUE TO MOVE INTO THE WESTERN GULF
SATURDAY AFTERNOON. RAIN AND WIND WILL MOVE INTO BRISTOL BAY AND
KODIAK ISLAND TONIGHT. RAIN WILL CONTINUE TO SPREAD INTO THE REST OF
SOUTHWEST ALASKA FRIDAY AND BECOME SHOWERS FRIDAY NIGHT AND SATURDAY.
IN THE GULF, RAIN WILL SPREAD UP INTO MOST OF SOUTHCENTRAL ALASKA
WITH THE EXCEPT OF THE EASTERN COPPER RIVER BASIN BY SATURDAY
AFTERNOON.

AN AREA OF GUSTY NORTH WINDS WILL PERSIST OVER THE EASTERN BERING SEA
AND KUSKOKWIM DELTA COAST THROUGH SATURDAY.

ANOTHER LOW PRESSURE SYSTEM NEAR NORTHERN JAPAN WILL MOVE INTO THE
WESTERN ALEUTIANS AS A 990 MB STORM SATURDAY AFTERNOON. MORE RAIN AND
GUSTY WINDS ARE EXPECTED FOR THE WESTERN ALEUTIANS FRIDAY NIGHT AND
SATURDAY.

.LONG TERM FORECAST...
THE UPPER LOW OVER BRISTOL BAY WILL MOVE NORTH AND DISSIPATE OVER THE
KUSKOKWIM DELTA MONDAY.

THE SURFACE WILL MOVE AND DISSIPATE OVER THE YUKON DELTA MONDAY. THE
MODERATE LOW OVER THE WESTERN ALEUTIANS WILL MOVE EAST OVER THE
EASTERN ALEUTIANS MONDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 172 AND 175.
FIRE WEATHER...NONE.

NONE SEP 08