Gale Warning 603, NWS Anchorage, AK

580 
FZAK62 PAFC 290000
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT WED SEP 28 2011

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.

PKZ499-291500-
400 PM AKDT WED SEP 28 2011
.SYNOPSIS FOR CENTRAL BERING SEA...
A WEATHER FRONT EXTENDING ACROSS THE CENTRAL BERING WILL DISSIPATE
OVER EASTERN BERING LATE WED NIGHT. A 996 MB LOW NEAR 54N 171E WILL
INTENSIFY TO 985 MB NEAR 57N 173W THU AFTERNOON THEN MOVE TO NEAR 55N
158W WITH LITTLE CHANGE IN STRENGTH FRI AFTERNOON. 
$$

PKZ411-291500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT WED SEP 28 2011

...STORM WARNING THROUGH THURSDAY...

.TONIGHT...SW WIND 35 KT INCREASING TO 50 KT AFTER MIDNIGHT. SEAS
9 FT BUILDING TO 17 FT AFTER MIDNIGHT. RAIN SHOWERS. 
.THU...NW WIND 50 KT DIMINISHING TO 35 KT IN THE AFTERNOON. SEAS
21 FT.
.THU NIGHT...NW WIND 35 KT. SEAS 15 FT. 
.FRI...NW WIND 25 KT. SEAS 10 FT. 
.FRI NIGHT...E WIND 40 KT. SEAS 10 FT. 
.SAT...SE WIND 40 KT. SEAS 14 FT. 
.SUN...N WIND 30 KT. SEAS 18 FT. 
.MON...S WIND 15 KT. SEAS 13 FT.  

$$

PKZ412-291500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT WED SEP 28 2011

...GALE WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...SW WIND 20 KT BECOMING S 30 KT AFTER MIDNIGHT. SEAS 9 FT.
.THU...S WIND 30 KT BECOMING NW 35 KT IN THE AFTERNOON. SEAS 12 FT.
RAIN SHOWERS. 
.THU NIGHT...NW WIND 40 KT. SEAS 16 FT. 
.FRI...N WIND 35 KT. SEAS 16 FT. 
.FRI NIGHT...NE WIND 20 KT. SEAS 13 FT. 
.SAT...E WIND 35 KT. SEAS 12 FT. 
.SUN...NE WIND 30 KT. SEAS 15 FT. 
.MON...VARIABLE WIND 10 KT. SEAS 11 FT.  

$$

PKZ413-291500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT WED SEP 28 2011

...STORM WARNING THURSDAY...

.TONIGHT...SW WIND 25 KT INCREASING TO 40 KT AFTER MIDNIGHT. SEAS
10 FT BUILDING TO 16 FT AFTER MIDNIGHT. RAIN SHOWERS. 
.THU...SW WIND 50 KT. SEAS 15 FT BUILDING TO 22 FT IN THE AFTERNOON.
RAIN SHOWERS. 
.THU NIGHT...NW WIND 40 KT. SEAS 18 FT. 
.FRI...NW WIND 40 KT. SEAS 19 FT. 
.FRI NIGHT...NE WIND 25 KT. SEAS 11 FT. 
.SAT...SE WIND 35 KT. SEAS 15 FT. 
.SUN...W WIND 30 KT. SEAS 13 FT. 
.MON...W WIND 20 KT. SEAS 8 FT.  

$$

PKZ414-291500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT WED SEP 28 2011

...GALE WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...SW WIND 25 KT. SEAS 6 FT. 
.THU...SW WIND 40 KT. SEAS 11 FT. RAIN SHOWERS. 
.THU NIGHT...NW WIND 40 KT. SEAS 15 FT. RAIN SHOWERS. 
.FRI...N WIND 40 KT. SEAS 17 FT. 
.FRI NIGHT...N WIND 25 KT. SEAS 14 FT. 
.SAT...NE WIND 25 KT. SEAS 10 FT. 
.SUN...E WIND 20 KT. SEAS 9 FT. 
.MON...NW WIND 15 KT. SEAS 10 FT.  

$$

745 
FZAK62 PAFC 291055
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT THU SEP 29 2011

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.

PKZ499-300300-
400 AM AKDT THU SEP 29 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A 988 MB LOW NEAR 56N 176W WILL MOVE TO 55N 158W FRI MORNING AT AT
983 MB THEN WEAKEN TO 990 MB NEAR 54N 152W FRI NIGHT. A 991 MB LOW
NEAR 48N 159E FRI MORNING WILL STRENGTHEN TO 977 MB AS IT MOVES TO
54N 166E FRI NIGHT. 

$$

PKZ411-300300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT THU SEP 29 2011

...STORM WARNING TODAY...

.TODAY...W WIND 50 KT DIMINISHING TO NW 35 KT IN THE AFTERNOON. SEAS
22 FT. RAIN. 
.TONIGHT...NW WIND 30 KT. SEAS 16 FT. 
.FRI...NW WIND 25 KT BECOMING W 15 KT IN THE AFTERNOON. SEAS 13 FT. 
.FRI NIGHT...SE WIND 45 KT. SEAS 19 FT. 
.SAT...SE WIND 40 KT. SEAS 17 FT. 
.SUN...W WIND 40 KT. SEAS 26 FT. 
.MON...SE WIND 20 KT. SEAS 18 FT.  

$$

PKZ412-300300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT THU SEP 29 2011

...GALE WARNING THROUGH TONIGHT...

.TODAY...S WIND 25 KT BECOMING NW 35 KT IN THE AFTERNOON. SEAS 7 FT
BUILDING TO 12 FT IN THE AFTERNOON. RAIN. 
.TONIGHT...NW WIND 35 KT. SEAS 14 FT. 
.FRI...N WIND 30 KT. SEAS 14 FT. 
.FRI NIGHT...NE WIND 20 KT. SEAS 11 FT. 
.SAT...E WIND 35 KT. SEAS 15 FT. 
.SUN...SE WIND 30 KT. SEAS 19 FT. 
.MON...NE WIND 20 KT. SEAS 18 FT.  

$$

PKZ413-300300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT THU SEP 29 2011

...STORM WARNING TODAY...

.TODAY...SW WIND 50 KT. SEAS 15 FT BUILDING TO 22 FT IN THE
AFTERNOON. RAIN. 
.TONIGHT...NW WIND 40 KT. SEAS 20 FT. 
.FRI...NW WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS
16 FT. 
.FRI NIGHT...NE WIND 25 KT. SEAS 11 FT. 
.SAT...SE WIND 35 KT. SEAS 13 FT. 
.SUN...SW WIND 40 KT. SEAS 26 FT. 
.MON...W WIND 30 KT. SEAS 26 FT.  

$$

PKZ414-300300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT THU SEP 29 2011

...GALE WARNING THROUGH FRIDAY...

.TODAY...SW WIND 35 KT. SEAS 13 FT. PATCHY FOG. RAIN. 
.TONIGHT...SW WIND 35 KT. SEAS 15 FT. RAIN SHOWERS. 
.FRI...N WIND 35 KT. SEAS 15 FT. 
.FRI NIGHT...N WIND 25 KT. SEAS 11 FT. 
.SAT...E WIND 25 KT. SEAS 9 FT. 
.SUN...SE WIND 25 KT. SEAS 12 FT. 
.MON...N WIND 20 KT. SEAS 17 FT.  

$$

406 
FZAK62 PAFC 300002
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT THU SEP 29 2011

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.

PKZ499-301500-
400 PM AKDT THU SEP 29 2011
.SYNOPSIS FOR CENTRAL BERING SEA...
A 988 MB LOW NEAR 57N 171W WILL MOVE TO 55N 158W FRI MORNING AT 986
MB THEN WEAKEN TO 991 MB NEAR 53N 151W SAT MORNING. A 980 MB LOW
NEAR 53N 164E SAT MORNING WILL STRENGTHEN TO 970 MB AS IT MOVES TO
55N 165E SAT NIGHT.
$$

PKZ411-301500-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 PM AKDT THU SEP 29 2011

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...NW WIND 30 KT. SEAS 16 FT. 
.FRI...NW WIND 25 KT BECOMING W 15 KT IN THE AFTERNOON. SEAS 13 FT. 
.FRI NIGHT...SE WIND 25 KT INCREASING TO 45 KT AFTER MIDNIGHT. SEAS
10 FT. 
.SAT...SE WIND 40 KT. SEAS 16 FT. 
.SAT NIGHT...S WIND 40 KT. SEAS 19 FT. 
.SUN...W WIND 40 KT. SEAS 26 FT. 
.MON...SE WIND 20 KT. SEAS 18 FT. 
.TUE...W WIND 25 KT. SEAS 11 FT.  

$$

PKZ412-301500-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 PM AKDT THU SEP 29 2011

...GALE WARNING TONIGHT...

.TONIGHT...NW WIND 35 KT. SEAS 14 FT. 
.FRI...N WIND 30 KT. SEAS 14 FT. 
.FRI NIGHT...NE WIND 20 KT. SEAS 11 FT. 
.SAT...E WIND 35 KT. SEAS 9 FT. 
.SAT NIGHT...SE WIND 35 KT. SEAS 15 FT. 
.SUN...SE WIND 30 KT. SEAS 19 FT. 
.MON...NE WIND 20 KT. SEAS 18 FT. 
.TUE...SE WIND 15 KT. SEAS 9 FT.  

$$

PKZ413-301500-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 PM AKDT THU SEP 29 2011

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...NW WIND 40 KT. SEAS 19 FT. 
.FRI...NW WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. SEAS
18 FT. 
.FRI NIGHT...N WIND 20 KT BECOMING E 25 KT AFTER MIDNIGHT. SEAS
14 FT. 
.SAT...SE WIND 35 KT. SEAS 12 FT. 
.SAT NIGHT...S WIND 30 KT. SEAS 11 FT. 
.SUN...SW WIND 40 KT. SEAS 26 FT. 
.MON...W WIND 30 KT. SEAS 26 FT. 
.TUE...SW WIND 20 KT. SEAS 10 FT.  

$$

PKZ414-301500-
BERING SEA OFFSHORE EAST OF 171W
400 PM AKDT THU SEP 29 2011

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...SW WIND 35 KT. SEAS 12 FT. RAIN SHOWERS. 
.FRI...N WIND 35 KT. SEAS 15 FT. 
.FRI NIGHT...N WIND 25 KT. SEAS 14 FT. 
.SAT...NE WIND 20 KT. SEAS 11 FT. 
.SAT NIGHT...E WIND 25 KT. SEAS 7 FT. 
.SUN...SE WIND 25 KT. SEAS 12 FT. 
.MON...N WIND 20 KT. SEAS 17 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS 12 FT.  

$$

256 
FZAK62 PAFC 301202
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 AM AKDT FRI SEP 30 2011

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.

PKZ499-010300-
400 AM AKDT FRI SEP 30 2011
.SYNOPSIS FOR CENTRAL BERING SEA...

A 986 MB LOW NEAR 56N 161W WILL MOVE TO 54N 156W FRI AFTERNOON AT 
986 MB THEN WEAKEN TO 992 MB NEAR 53N 151W SAT MORNING. A 963 MB 
LOW NEAR 54N 165E SAT MORNING WILL WEAKEN TO 967 MB AS IT MOVES TO
55N 179E SUN MORNING. 

$$

PKZ411-010300-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE
400 AM AKDT FRI SEP 30 2011

...GALE WARNING TONIGHT AND SATURDAY...

.TODAY...NW WIND 25 KT BECOMING VARIABLE 15 KT IN THE AFTERNOON. 
SEAS 16 FT SUBSIDING TO 10 FT IN THE AFTERNOON. 
.TONIGHT...SE WIND 25 KT INCREASING TO 40 KT AFTER MIDNIGHT. SEAS
10 FT BUILDING TO 15 FT. 
.SAT...SE WIND 40 KT. SEAS 17 FT. RAIN.
.SAT NIGHT...S WIND 40 KT. SEAS 20 FT. 
.SUN...NW WIND 40 KT. SEAS 24 FT. 
.MON...SE WIND 25 KT. SEAS 18 FT. 
.TUE...SE WIND 15 KT. SEAS 8 KT.  

$$

PKZ412-010300-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N
400 AM AKDT FRI SEP 30 2011

...GALE WARNING TODAY AND SATURDAY...

.TODAY...N WIND 25 TO 35 KT DIMINISHING TO 15 TO 25 IN THE AFTERNOON.
SEAS 11 TO 15 FT. 
.TONIGHT...NE WIND 15 KT. SEAS 8 FT. 
.SAT...E WIND 25 KT BECOMING SE 35 KT IN THE AFTERNOON. SEAS 9 TO 
14 FT. 
.SAT NIGHT...SE WIND 40 KT. SEAS 16 FT. 
.SUN...E WIND 35 KT. SEAS 16 FT. 
.MON...NE WIND 25 KT. SEAS 13 FT. 
.TUE...SE WIND 15 KT. SEAS 8 FT.  

$$

PKZ413-010300-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N
400 AM AKDT FRI SEP 30 2011

...GALE WARNING TODAY AND SATURDAY...

.TODAY...NW WIND 25 TO 35 KT DIMINISHING TO 15 TO 25 IN THE
AFTERNOON. SEAS 13 TO 17 FT. 
.TONIGHT...NW WIND 20 KT BECOMING E 25 KT AFTER MIDNIGHT. SEAS
13 FT. 
.SAT...SE WIND 35 KT. SEAS 14 FT. RAIN.
.SAT NIGHT...S WIND 35 KT. SEAS 16 FT. 
.SUN...SW WIND 40 KT. SEAS 25 FT. 
.MON...W WIND 35 KT. SEAS 19 FT. 
.TUE...S WIND 15 KT. SEAS 9 FT.  

$$

PKZ414-010300-
BERING SEA OFFSHORE EAST OF 171W
400 AM AKDT FRI SEP 30 2011

.TODAY...N WIND 20 TO 30 KT. SEAS 8 TO 13 FT. RAIN.
.TONIGHT...N WIND 15 TO 25 KT. SEAS 6 TO 13 FT. 
.SAT...NE WIND 10 TO 20 KT. SEAS 5 TO 10 FT. 
.SAT NIGHT...E WIND 25 KT. SEAS 9 FT. 
.SUN...S WIND 25 KT. SEAS 17 FT. 
.MON...N WIND 20 KT. SEAS 9 FT. 
.TUE...E WIND 15 KT. SEAS 7 FT.  

$$

SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
500 PM AKDT TUE SEP 27 2011

.ANALYSIS AND UPPER LEVELS...
THE REMAINS OF THE STORM THAT MOVED THROUGH SOUTHEAST ALASKA
OVERNIGHT HAS RAPIDLY WEAKENED OVER THE YUKON TERRITORY. A TROUGH
EXTENDS FROM THE LOW INTO THE SOUTHCENTRAL INTERIOR THIS AFTERNOON.
ANOTHER LOW PRESSURE SYSTEM ABOUT 300 MILES SOUTH OF KODIAK CITY IS
MOVING TOWARD THE CENTRAL GULF. A RIDGE OVER THE CENTRAL BERING
CONTINUES TO MOVE EAST. THERE IS A THIRD LOW OVER THE NORTHWEST
BERING SEA WITH A WEATHER FRONT EXTENDING TO THE SOUTH.

A WEAK UPPER TROUGH OVER WESTERN ALASKA HAS KEPT CLOUDS OVER MOST OF
SOUTHWEST ALASKA.

.MODEL DISCUSSION...
THE MODELS ARE IN GOOD AGREEMENT THROUGH WEDNESDAY NIGHT BUT FROM
THAT POINT ONWARD THE NAM BEGINS TO DIVERGE FROM THE COMMON SOLUTION
OF THE OTHER MODELS. THE GFS IS THE PREFERRED MODEL TODAY.

.SHORT TERM FORECAST...
THE LOW SOUTH OF KODIAK ISLAND WILL MOVE INTO THE CENTRAL GULF
THURSDAY AFTERNOON. WINDS OVER THE GULF WILL BECOME SOUTH TO
SOUTHEAST AND PUSH MORE CLOUDS AND SHOWERS BACK ONTO THE CENTRAL GULF
COAST AND SOUTHCENTRAL ALASKA LATE TONIGHT AND WEDNESDAY.

SOUTHWEST ALASKA WILL REMAIN MOSTLY CLOUDY WITH SCATTERED SHOWERS
ALONG THE COAST. ISOLATED AFTERNOON AND EVENING SHOWERS WILL DEVELOP
OVER THE KUSKOKWIM VALLEY AND THE INLAND PORTION OF BRISTOL BAY
THROUGH THURSDAY. MORE RAIN IS EXPECTED TO MOVE INTO THE ALASKA
PENINSULA THURSDAY WITH THE APPROACH OF THE BERING SEA STORM.

THE LOW OVER THE NORTHWEST BERING WILL MOVE INTO SIBERIA WEDNESDAY
MORNING. THE ASSOCIATED WEATHER FRONT OVER THE WESTERN BERING WILL
MOVE INTO THE CENTRAL BERING WEDNESDAY THEN DISSIPATE OVER THE
EASTERN BERING WEDNESDAY NIGHT. RAIN AND GUSTY WINDS MAINLY AHEAD OF
THE FRONT WILL DIMINISH WEDNESDAY NIGHT. A NEW LOW DEVELOPING OVER
THE KAMCHATKA PENINSULA WEDNESDAY MORNING WILL STRENGTHEN AS IT MOVES
TO NEAR SAINT PAUL BY THURSDAY AFTERNOON. RAIN AND GALE FORCE WINDS
WILL MOVE INTO THE WESTERN ALEUTIANS WEDNESDAY EVENING AND SPREAD
ALONG  THE REST OF THE CHAIN BY THURSDAY MORNING.

.LONG TERM FORECAST...
THE LOW IN THE CENTRAL GULF THURSDAY NIGHT WILL DISSIPATE FRIDAY. A
WEAK RIDGE WILL BUILD INTO THE CENTRAL GULF THURSDAY NIGHT THEN IT
WILL BE PUSHED INTO SOUTHEAST ALASKA AS THE STORM IN THE BERING SEA
MOVES INTO THE WESTERN GULF SATURDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 172 175 176
FIRE WEATHER...NONE.

NM SEP 11