Gale Warning 535, NWS Anchorage, AK

000 
FZAK62 PAFC 302323
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT SUN AUG 30 2009

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.

PKZ499-311400-
400 PM AKDT SUN AUG 30 2009
.SYNOPSIS FOR CENTRAL BERING SEA...
A RIDGE OF HIGH PRESSURE OVER THE CENTRAL ALEUTIANS WILL MOVE
OVER THE ALASKA PENINSULA TONIGHT. A WEATHER FRONT WEAKENS AS IT
MOVES FROM THE WESTERN ALEUTIANS TONIGHT TO THE ALASKA PENINSULA
TUESDAY.
$$

PKZ411-311400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT SUN AUG 30 2009

...GALE WARNING TONIGHT...

.TONIGHT...SW WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS
16 FT SUBSIDING TO 13 FT. RAIN.
.MON...SW WIND 25 KT. SEAS 12 FT. 
.MON NIGHT...W WIND 20 KT. SEAS 11 FT. RAIN.
.TUE...NW WIND 15 KT. SEAS 8 FT. 
.TUE NIGHT AND WED...W WIND 20 KT. SEAS 7 FT. 
.THU AND FRI...W WIND 15 KT. SEAS 6 FT. 

$$

PKZ412-311400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT SUN AUG 30 2009

...GALE WARNING TONIGHT...

.TONIGHT...SW WIND 40 KT. SEAS 13 TO 17 FT. PATCHY FOG. RAIN.
.MON AND MON NIGHT...SW WIND 25 KT. SEAS 13 FT. 
.TUE THROUGH WED...W WIND 20 KT. SEAS 9 FT. 
.THU...NW WIND 15 KT. SEAS 7 FT.
.FRI...W WIND 20 KT. SEAS 7 FT.  

$$

PKZ413-311400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT SUN AUG 30 2009

...GALE WARNING TONIGHT...

.TONIGHT...WEST OF 175 W...SW WIND 35 KT. SEAS 14 FT. EAST OF 175
W...SW WIND 25 KT INCREASING TO 35 KT DURING THE LATE EVENING.  SEAS
8 FT BUILDING TO 12 FT. PATCHY FOG. RAIN.
.MON AND MON NIGHT...SW WIND 25 KT. SEAS 10 FT. PATCHY FOG. RAIN.
.TUE THROUGH THU...W WIND 20 KT. SEAS 8 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 5 FT.  

$$

PKZ414-311400-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT SUN AUG 30 2009

...GALE WARNING TONIGHT AND MONDAY...

.TONIGHT...SW WIND 25 KT INCREASING TO 35 KT DURING THE LATE EVENING.
SEAS 9 FT BUILDING TO 13 FT. PATCHY FOG. RAIN.
.MON...SW WIND 35 KT DIMINISHING TO 25 KT DURING THE AFTERNOON. SEAS
13 FT. PATCHY FOG. RAIN.
.MON NIGHT...SW WIND 25 KT. SEAS 12 FT. PATCHY FOG. RAIN.
.TUE...SW WIND 25 KT. SEAS 11 FT. 
.TUE NIGHT THROUGH THU...W WIND 20 KT. SEAS 9 FT. 
.FRI...W WIND 15 KT. SEAS 7 FT.  

$$

000 
FZAK62 PAFC 311114
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT MON AUG 31 2009

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.

PKZ499-010200-
400 AM AKDT MON AUG 31 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A WEATHER FRONT WEAKENS AS IT MOVES FROM THE CENTRAL ALEUTIANS TODAY
TO THE SOUTHWEST COAST TUESDAY NIGHT.

$$

PKZ411-010200-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT MON AUG 31 2009

.TODAY...SW WIND 25 KT. SEAS 11 FT. 
.TONIGHT...W WIND 20 KT. SEAS 10 FT. 
.TUE...NW WIND 20 KT. SEAS 8 FT. 
.TUE NIGHT...W WIND 20 KT. SEAS 7 FT. 
.WED...W WIND 20 KT. SEAS 7 FT. 
.THU AND FRI...W WIND 15 KT. SEAS 5 FT. 

$$

PKZ412-010200-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT MON AUG 31 2009

.TODAY...SW WIND 25 KT. SEAS 11 TO 15 FT. 
.TONIGHT...SW WIND 20 KT. SEAS 12 FT. 
.TUE...W WIND 15 KT. SEAS 9 FT. RAIN.
.TUE NIGHT...W WIND 25 KT. SEAS 8 FT. 
.WED AND THU...NW WIND 20 KT. SEAS 7 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 5 FT.  

$$

PKZ413-010200-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT MON AUG 31 2009

.TODAY...SW WIND 30 KT DIMINISHING TO 20 KT IN THE AFTERNOON. SEAS 
12 FT. PATCHY FOG. RAIN.
.TONIGHT...SW WIND 25 KT. SEAS 11 FT. 
.TUE...W WIND 15 KT. SEAS 8 FT. 
.TUE NIGHT AND WED...W WIND 20 KT. SEAS 7 FT. 
.THU...NW WIND 15 KT. SEAS 7 FT.
.FRI...VARIABLE WIND 10 KT. SEAS 5 FT.  

$$

PKZ414-010200-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT MON AUG 31 2009

...GALE WARNING TODAY...

.TODAY...SW WIND 35 KT. SEAS 14 FT. PATCHY FOG. RAIN.
.TONIGHT...SW WIND 25 KT. SEAS 13 FT. PATCHY FOG. 
.TUE...SW WIND 20 KT. SEAS 10 FT. PATCHY FOG. 
.TUE NIGHT AND WED...W WIND 20 KT. SEAS 8 FT. 
.THU...NW WIND 20 KT. SEAS 7 FT.
.FRI...NW WIND 15 KT. SEAS 6 FT.  

$$

000 
FZAK62 PAFC 312319
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT MON AUG 31 2009

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.

PKZ499-011400-
400 PM AKDT MON AUG 31 2009
.SYNOPSIS FOR CENTRAL BERING SEA...

A FRONT OVER THE EASTERN BERING WILL WEAKEN AS IT MOVES INLAND 
MON NIGHT. A 990 MB LOW OVER FAR EASTERN RUSSIA WILL MOVE TO 
62N 167W TUE NIGHT AND THEN ONSHORE ACROSS THE KUSKOKWIM DELTA 
WED.

$$

PKZ411-011400-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT MON AUG 31 2009

.TONIGHT...W WIND 20 KT. SEAS 10 FT. PATCHY FOG. 
.TUE...NW WIND 10 TO 20 KT. SEAS 8 FT. PATCHY FOG. 
.TUE NIGHT...W WIND 10 TO 20 KT. SEAS 7 FT. PATCHY FOG. 
.WED AND WED NIGHT...W WIND 20 KT. SEAS 7 FT. 
.THU...W WIND 15 KT. SEAS 6 FT. 
.FRI AND SAT...W WIND 15 KT. SEAS 4 FT. 

$$

PKZ412-011400-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT MON AUG 31 2009

.TONIGHT...SW WIND 20 KT. SEAS 12 FT. PATCHY FOG. 
.TUE...SW WIND 20 KT BECOMING NW BY MIDNIGHT. SEAS 9 FT. PATCHY FOG. 
.TUE NIGHT AND WED...W WIND 20 KT. SEAS 8 FT. 
.WED NIGHT...NW WIND 15 KT. SEAS 8 FT. 
.THU...N WIND 15 KT BECOMING VARIABLE. SEAS 7 FT. 
.FRI...W WIND 10 KT. SEAS 5 FT. 
.SAT...W WIND 10 KT. SEAS 3 FT.  

$$

PKZ413-011400-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT MON AUG 31 2009

.TONIGHT...SW WIND 15 TO 25 KT. SEAS 11 FT. PATCHY FOG. 
.TUE...SW WIND 15 KT BECOMING NW IN THE AFTERNOON. SEAS 8 FT. PATCHY
FOG. 
.TUE NIGHT...NW WIND 20 KT. SEAS 7 FT. PATCHY FOG. 
.WED AND WED NIGHT...W WIND 20 KT. SEAS 8 FT. 
.THU...W WIND 15 KT BECOMING N IN THE AFTERNOON. SEAS 7 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 5 FT. 
.SAT...W WIND 10 KT. SEAS 3 FT.  

$$

PKZ414-011400-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT MON AUG 31 2009

.TONIGHT...SW WIND 25 KT. SEAS 12 FT. PATCHY FOG. 
.TUE...SW WIND 20 KT. SEAS 10 FT. PATCHY FOG. 
.TUE NIGHT...SW WIND 20 KT BECOMING NW. SEAS 8 FT. PATCHY FOG. 
.WED...W WIND 15 TO 25 KT. SEAS 8 FT. 
.WED NIGHT...NW WIND 20 KT. SEAS 8 FT. 
.THU...NW WIND 10 TO 20 KT. SEAS 7 FT. 
.FRI...NW WIND 15 KT. SEAS 6 FT. 
.SAT...NW WIND 15 KT. SEAS 4 FT.  

$$

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 AM AKDT SAT AUG 29 2009

.MODEL DISCUSSION...
MODELS ARE IN GOOD AGREEMENT IN THE SHORT TERM OUT TO TUESDAY NIGHT.
LEANING TOWARD THE NAM FOR TODAY AND TONIGHT FOR THE DETAIL MAINLY IN
THE EAST WHICH IS BETTER PICKING UP ON SOME TERRAIN ENHANCED
FEATURES. THEN TRENDING TO TO THE NEW GFS. OUT WEST THE MODELS STILL
A LITTLE SLOW MOVING THE FRONT INTO THE WESTERN BERING BUT SEEMS TO
BE CATCHING UP TO THE ACTUAL POSITION

.ANALYSIS AND UPPER LEVELS...
A VERTICALLY STACKED LOW OVER THE GULF OF ALASKA CONTINUES TO WEAKEN
AND DRIFT SLOWLY TO THE SOUTHEAST OUT OF THE AREA TONIGHT. HIGH
PRESSURE FROM THE BERING SEA WILL BUILD IN OVER SOUTHWEST AND PUSH
EASTWARD INTO MONDAY. A FRONT FROM A LOW OVER SIBERIA WILL ENTER THE
WESTERN BERING SEA THIS MORNING AND SLOWLY MAKE ITS WAY TO THE
CENTRAL BERING TONIGHT.

.SHORT TERM FORECAST...
.SOUTHCENTRAL ALASKA...
DECREASING CLOUDS WILL CONTINUE THROUGHOUT THE MORNING. EXPECT SOME
AREAS OF LOW CLOUDS AND FOG MAINLY ALONG COOK INLET AND THE COASTAL
AREAS OF PRINCE WILLIAM SOUND THIS MORNING WITH MOSTLY CLEAR SKIES BY
THIS AFTERNOON OVER MOST AREAS. A SHORT WAVE WILL ROTATE TO THE NORTH
OF US TODAY. EXPECT MOSTLY CLOUDY CONDITIONS TO DEVELOP FROM THIS
SHORT WAVE BUT PRECIPITATION TO STAY TO THE NORTH OF THE ALASKA
RANGE. AS THE RIDGE FLATTENS A SOUTHWEST FLOW WILL DEVELOP OVER
SOUTHCENTRAL BY MONDAY. EXPECT A CHANCE OF RAIN IN THE NORTH MONDAY
NIGHT SPREADING SOUTH BY TUESDAY. THE SOUTHWESTERLY FLOW WILL PERSIST

INTO WEDNESDAY KEEPING SOUTHCENTRAL CLOUDY AND WET.

.SOUTHWEST ALASKA...
THE SHORT WAVE PASSING TO THE NORTH SHOULD BRING SHOWERS TO THE
KUSKOKWIM VALLEY TODAY. WITH THE RIDGE TO THE SOUTH EXPECT MOSTLY
CLEAR CONDITIONS TO PERSIST OVER BRISTOL BAY AND WITH THE WESTERLY
FLOW ALONG THE WEST COAST STRATUS DRIZZLE AND FOG WILL CONTINUE OVER
THE DELTA AREA. A FRONTAL BOUNDARY WILL PUSH INTO SOUTHWEST FROM THE
BERING BY SUNDAY NIGHT BRINGING ALONG A MOIST SOUTHWESTERLY FLOW WITH
RAIN SPREADING OVER MOST AREAS BY MONDAY.

.BERING SEA/ALEUTIANS...
WIDESPREAD STRATUS AND FOG WILL CONTINUE UNDER THE UPPER LEVEL RIDGE.
GALE FORCE WINDS ASSOCIATED WITH THE FRONT OVER THE WESTERN BERING
SEA WILL PERSIST AND SPREAD EAST TODAY REACHING THE PRIBILOFS BY
TONIGHT. SHOWERS WILL PERSIST BEHIND THE FRONT AS AN UPPER TROUGH
ROTATES INTO THE CENTRAL BERING MONDAY NIGHT.

.LONG TERM FORECAST...
THE UPPER TROUGH OVER THE BERING WILL ROTATE OVER THE GULF OF ALASKA
BY FRIDAY. CONDITIONS OVER SOUTHCENTRAL EXPECTED TO STAY MOSTLY
CLOUDY WITH A CHANCE OF RAIN THROUGH MOST OF THE WEEK.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...FLOOD WARNING 141
MARINE...GALES 175 176 185.
FIRE WEATHER...NONE.

AUG 09