Gale Warning 76, NWS Fairbanks, AK

681 
FZAK69 PAFG 112127
OFFAFG

EXPERIMENTAL OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE FAIRBANKS AK
127 PM AKDT SUN SEP 11 2011

OFFSHORE WATERS FORECAST FOR THE US ARCTIC WATERS

SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF
THE COMBINED WIND WAVE AND SWELL HEIGHT. INDIVIDUAL WAVES MAY BE
TWICE AS HIGH.

PKZ599-121300-
127 PM AKDT SUN SEP 11 2011

.SYNOPSIS FOR ARCTIC WATERS...
A 972 MB LOW NORTH OF THE KAMCHATKA PENINSULA WILL DRIFT SLOWLY
SOUTH AND WEAKEN TO 986 MB ALONG THE NORTHEAST KAMCHATKA COAST BY
4 AM AKDT MONDAY. A TROUGH OF LOW PRESSURE OFF THE ARCTIC COAST
NORTH OF BARROW TO DEMARCATION POINT WILL MOVE NORTH TODAY.

$$

PKZ500-121300-
WESTERN US ARCTIC OFFSHORE-
127 PM AKDT SUN SEP 11 2011

...GALE WARNING IN EFFECT THROUGH EARLY MONDAY MORNING...

.TONIGHT...S WINDS 40 KT. SEAS 12 FT. 
.MON...S WINDS 30 KT. SEAS 11 FT. 
.MON NIGHT...S WINDS 20 KT. SEAS 8 FT. 
.TUE...NE WINDS 15 KT. SEAS 6 FT. 
.TUE NIGHT...NE WINDS 20 KT. SEAS 4 FT. 
.WED...NE WINDS 25 KT. SEAS 7 FT. 
.THU...NW WINDS 15 KT. SEAS 7 FT. 
.FRI...W WINDS 20 KT. SEAS 5 FT.  

$$

PKZ505-121300-
CENTRAL US ARCTIC OFFSHORE-
127 PM AKDT SUN SEP 11 2011

.TONIGHT...SW WINDS 30 KT. SEAS 9 FT. 
.MON...S WINDS 30 KT. SEAS 10 FT. 
.MON NIGHT...SW WINDS 20 KT. SEAS 9 FT. 
.TUE...SW WINDS 15 KT. SEAS 6 FT. 
.TUE NIGHT...NE WINDS 20 KT. SEAS 4 FT. 
.WED...NE WINDS 25 KT. SEAS 5 FT. 
.THU...W WINDS 15 KT. SEAS 5 FT. 
.FRI...W WINDS 20 KT. SEAS 5 FT.  

$$

PKZ510-121300-
EASTERN US ARCTIC OFFSHORE-
127 PM AKDT SUN SEP 11 2011

.TONIGHT...W WINDS 25 KT. SEAS 6 FT. 
.MON...SW WINDS 30 KT. SEAS 6 FT. 
.MON NIGHT...E WINDS 20 KT. SEAS 6 FT. 
.TUE...NE WINDS 15 KT. SEAS 4 FT. 
.TUE NIGHT...NE WINDS 15 KT. SEAS 3 FT. 
.WED...N WINDS 20 KT. SEAS 5 FT. 
.THU...W WINDS 10 KT. SEAS 5 FT. 
.FRI...W WINDS 15 KT. SEAS 3 FT.  

$$

RL/DA SEP 11

153 
FZAK69 PAFG 121011
OFFAFG

EXPERIMENTAL OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE FAIRBANKS AK
211 AM AKDT MON SEP 12 2011

OFFSHORE WATERS FORECAST FOR THE US ARCTIC WATERS

SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF
THE COMBINED WIND WAVE AND SWELL HEIGHT. INDIVIDUAL WAVES MAY BE
TWICE AS HIGH.

PKZ599-130115-
211 AM AKDT MON SEP 12 2011

.SYNOPSIS FOR ARCTIC WATERS...
A 987 MB LOW ALONG THE NORTHEAST KAMCHATKA COAST WILL MOVE TO 
200 NM NORTH OF ADAK BY TUESDAY EVENING. A 1025 MB HIGH IN
NORTHWEST CANADA NEAR GREAT BEAR LAKE MOVES SOUTHEAST THROUGH
TUESDAY. A TROUGH WILL DEVELOP ACROSS THE BROOKS RANGE TUESDAY. 

$$

PKZ500-130115-
WESTERN US ARCTIC OFFSHORE-
211 AM AKDT MON SEP 12 2011

.TODAY...S WINDS 30 KT DIMINISHING TO 20 KT AFTER NOON.
SEAS 11 FT SUBSIDING TO 8 FT.
.TONIGHT...S WINDS 15 KT. SEAS SUBSIDING TO 6 FT. 
.TUE...E WINDS 20 KT. SEAS 5 FT.
.TUE NIGHT...NE WINDS 20 KT. SEAS 5 FT.
.WED...NE WINDS 20 KT. SEAS 7 FT. 
.THU...E WINDS 20 KT. SEAS 7 FT.
.FRI...NE WINDS 20 KT. SEAS 8 FT.

$$

PKZ505-130115-
CENTRAL US ARCTIC OFFSHORE-
211 AM AKDT MON SEP 12 2011

.TODAY...SW WINDS 30 KT DIMINISHING TO 20 KT AFTER NOON.
SEAS 11 FT SUBSIDING TO 9 FT.
.TONIGHT...SW WINDS 15 KT. SEAS SUBSIDING TO 6 FT.
.TUE...SW WINDS 15 KT. SEAS 5 FT.
.TUE NIGHT...NE WINDS 15 KT. SEAS 4 FT. 
.WED...N WINDS 15 KT. SEAS 5 FT. 
.THU...E WINDS 20 KT. SEAS 7 FT. 
.FRI...NE WINDS 15 KT. SEAS 6 FT.  

$$

PKZ510-130115-
EASTERN US ARCTIC OFFSHORE-
211 AM AKDT MON SEP 12 2011

.TODAY...SW WINDS 20 KT. SEAS 7 FT.
.TONIGHT...SW WINDS 15 KT BECOMING NE AFTER MIDNIGHT. SEAS 6 FT.
.TUE...NE WINDS 20 KT. SEAS 4 FT. 
.TUE NIGHT...NE WINDS 20 KT. SEAS 4 FT. 
.WED...N WINDS 20 KT. SEAS 5 FT. 
.THU...E WINDS 20 KT. SEAS 5 FT. 
.FRI...E WINDS 20 KT. SEAS 5 FT.  

$$

RL/CB SEP 11

NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
222 PM AKDT SAT SEP 10 2011

.DISCUSSION...

UPPER AIR...TROUGH OVER CENTRAL BERING SEA AND RIDGE OVER NORTHERN
MAINLAND ALASKA WILL BECOME HIGHLY AMPLIFIED BY SUNDAY...THEN
PERSIST INTO TUESDAY.

SURFACE...A TROUGH OF LOW PRESSURE OFF THE ARCTIC COAST NORTH OF
BARROW TO DEMARCATION POINT WILL MOVE SLOWLY NORTH THROUGH SUNDAY.
A 977 MB LOW WILL REMAIN NEARLY STATIONARY NORTHEAST OF THE
KAMCHATKA COAST THROUGH MONDAY. AN ASSOCIATED WEATHER FRONT MOVING
EAST ACROSS THE CENTRAL BERING SEA WILL STALL JUST WEST OF SAINT
LAWRENCE ISLAND SUNDAY NIGHT THEN GRADUALLY WEAKEN THROUGH MONDAY.

NORTH SLOPE...SHOWERS WILL END SUNDAY AS TROUGH MOVES NORTH AND
AWAY FROM THE NORTH SLOPE. BUILDING HIGH PRESSURE WILL CAUSE DRY
WEATHER WITH LIGHT WINDS TO FOLLOW MONDAY THROUGH WEDNESDAY.

WEST COAST...HIGH SURF ADVISORIES WILL CONTINUE THROUGH 6 PM AKDT
TONIGHT AND POSSIBLY MAY BE EXTENDED. SURF MODEL SHOWS SURGE
STEADY TONIGHT AND DECREASING SLOWLY ON SUNDAY...THEREFORE SURF
WILL BE LARGELY DEPENDENT UPON HIGH AND LOW TIDES. SHOWERS WILL
BECOME ISOLATED BY SUNDAY MORNING OVER MOST OF THE WEST COAST.
SAINT LAWRENCE ISLAND WILL HAVE A FRONT APPROACH FROM THE WEST
SUNDAY AND SUNDAY NIGHT...WHICH WILL PRODUCE SHOWERS THROUGH
SUNDAY NIGHT.

INTERIOR...TREND WILL BE TOWARDS DRIER WEATHER TONIGHT AND SUNDAY
AS HIGH BUILDS. HIGH TEMPERATURES WILL BE ABOUT 10 DEGREES ABOVE
SEASONAL NORMALS MONDAY AND TUESDAY.

COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE

&&

.FIRE WEATHER...NONE.

&&

.HYDROLOGY...NONE.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
HIGH SURF ADVISORY FOR AKZ211-AKZ212-AKZ214.

SMALL CRAFT ADVISORY FOR PKZ200-PKZ210-PKZ215-PKZ220-PKZ225-
PKZ230-PKZ235-PKZ240-PKZ245.

GALE WARNING FOR PKZ210-PKZ220-PKZ225.
&&

DA SEP 11