Gale Warning 550, NWS Anchorage, AK

000 
FZAK52 PAFC 242355
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 PM AKDT MON AUG 24 2009

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.

PKZ199-251400-
400 PM AKDT MON AUG 24 2009
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 995 MB LOW NEAR DUTCH HARBOR WILL MOVE SOUTHEAST INTO THE NORTH
PACIFIC MON NIGHT. A RIDGE OVER THE WESTERN BERING WILL MOVE INTO THE
EASTERN BERING TUE AND INTO WESTERN ALASKA WED. A 996 MB LOW OVER THE
NORTHWEST PACIFIC WILL MOVE TO 350 WEST OF SHEMYA AT 993 MB TUE
AFTERNOON THEN TO 290 NM NORTH OF ATKA AT 976 MB WED AFTERNOON.
$$

PKZ150-251400-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 PM AKDT MON AUG 24 2009

...SMALL CRAFT ADVISORY TUESDAY NIGHT...

.TONIGHT...W WIND 10 KT. SEAS 4 FT. 
.TUE...N WIND 20 KT. SEAS 4 FT. 
.TUE NIGHT...NW WIND 25 KT. SEAS 6 FT. 
.WED...N WIND 20 KT. SEAS 6 FT. 
.WED NIGHT...NE WIND 15 KT. SEAS 5 FT. 
.THU...NE WIND 25 KT. SEAS 8 FT. 
.FRI...N WIND 30 KT. SEAS 11 FT. 
.SAT...NW WIND 25 KT. SEAS 10 FT.  

$$

PKZ155-251400-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 PM AKDT MON AUG 24 2009

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...E WIND 25 KT. SEAS 8 FT. RAIN.
.TUE...N WIND 25 KT. SEAS 8 FT. 
.TUE NIGHT...NW WIND 20 KT. SEAS 7 FT. 
.WED...N WIND 20 KT. SEAS 6 FT. 
.WED NIGHT...E WIND 20 KT. SEAS 5 FT. 
.THU...N WIND 30 KT. SEAS 9 FT. 
.FRI AND SAT...NW WIND 30 KT. SEAS 10 FT. 
.
$$

PKZ160-251400-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 PM AKDT MON AUG 24 2009

...SMALL CRAFT ADVISORY TUESDAY NIGHT...

.TONIGHT...W WIND 10 KT BECOMING N 15 THIS EVENING. SEAS
4 FT. RAIN AND FOG.
.TUE...NW WIND 20 KT. SEAS 4 FT. AREAS OF FOG.
.TUE NIGHT...N WIND 25 KT. SEAS 7 FT. AREAS OF FOG.
.WED...N WIND 15 KT. SEAS 5 FT. 
.WED NIGHT...NE WIND 20 KT. SEAS 5 FT. 
.THU...N WIND 30 KT. SEAS 8 FT. 
.FRI...NW WIND 30 KT. SEAS 9 FT. 
.SAT...NW WIND 20 KT. SEAS 6 FT.  

$$

PKZ165-251400-
PORT HEIDEN TO CAPE SARICHEF
400 PM AKDT MON AUG 24 2009

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...SE WIND 25 KT BECOMING NE 25 KT THIS EVENING. SEAS 8 FT.
AREAS OF FOG. 
.TUE AND TUE NIGHT...N WIND 20 KT. SEAS 6 FT. AREAS OF FOG. 
.WED...NE WIND 15 KT. SEAS 6 FT. 
.WED NIGHT...E WIND 20 KT. SEAS 5 FT. 
.THU...N WIND 30 KT. SEAS 9 FT. 
.FRI...NW WIND 30 KT. SEAS 10 FT. 
.SAT...NW WIND 20 KT. SEAS 7 FT.  

$$

PKZ180-251400-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 PM AKDT MON AUG 24 2009

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

.TONIGHT...W WIND 20 KT BECOMING N AFTER MIDNIGHT. SEAS 5 FT. AREAS
OF FOG.
.TUE AND TUE NIGHT...N WIND 25 KT. SEAS 6 FT. AREAS OF FOG. 
.WED AND WED NIGHT...NE WIND 15 KT. SEAS 4 FT. 
.THU...N WIND 20 KT. SEAS 6 FT. 
.FRI...NW WIND 25 KT. SEAS 7 FT. 
.SAT...W WIND 15 KT. SEAS 4 FT.  

$$

PKZ170-251400-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 PM AKDT MON AUG 24 2009

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...NW WIND 20 KT INCREASING TO N 30 KT THIS EVENING.
SEAS 11 FT. RAIN.
.TUE...N WIND 30 KT. SEAS 9 FT. 
.TUE NIGHT...N WIND 20 KT. SEAS 6 FT. 
.WED...SE WIND 25 KT. SEAS 8 FT. 
.WED NIGHT...E WIND 35 KT. SEAS 12 FT. 
.THU...N WIND 35 KT. SEAS 12 FT. 
.FRI...NW WIND 35 KT. SEAS 12 FT. 
.SAT...NW WIND 25 KT. SEAS 9 FT.  

$$

PKZ171-251400-
UNALASKA BAY
400 PM AKDT MON AUG 24 2009

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N WIND 15 KT INCREASING TO 25 KT AFTER MIDNIGHT. SEAS
7 FT. RAIN.
.TUE...N WIND 25 KT. SEAS 8 FT. 
.TUE NIGHT...N WIND 20 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. 
SEAS 5 FT. 
.WED...SE WIND 20 KT. SEAS 3 FT. 
.WED NIGHT...E WIND 25 KT. SEAS 6 FT. 
.THU...N WIND 30 KT. SEAS 7 FT. 
.FRI...NW WIND 25 KT. SEAS 7 FT. 
.SAT...NW WIND 15 KT. SEAS 5 FT.  

$$

PKZ172-251400-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 PM AKDT MON AUG 24 2009

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...NW WIND 30 KT. SEAS 11 FT. AREAS OF FOG. 
.TUE...N WIND 20 KT. SEAS 7 FT. AREAS OF FOG. 
.TUE NIGHT...SE WIND 25 KT INCREASING TO S 35 KT AFTER MIDNIGHT. 
SEAS 9 FT. RAIN.
.WED...S WIND 40 KT. SEAS 10 FT. 
.WED NIGHT...NW WIND 40 KT. SEAS 15 FT. 
.THU...N WIND 35 KT. SEAS 11 FT. 
.FRI...NW WIND 25 KT. SEAS 9 FT. 
.SAT...S WIND 25 KT. SEAS 7 FT.  

$$

PKZ175-251400-
WESTERN ALEUTIANS ADAK TO KISKA
400 PM AKDT MON AUG 24 2009

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...W WIND 25 KT DIMINISHING TO NW 15 KT AFTER MIDNIGHT. SEAS
10 FT. AREAS OF FOG. 
.TUE...S WIND 15 KT INCREASING TO SE 25 KT IN THE AFTERNOON. SEAS
8 FT. AREAS OF FOG. 
.TUE NIGHT...SE WIND 30 KT BECOMING SW 40 KT AFTER MIDNIGHT. SEAS 12
FT. RAIN.
.WED...W WIND 40 KT. SEAS 15 FT. 
.WED NIGHT...N WIND 35 KT. SEAS 13 FT. 
.THU...W WIND 15 KT. SEAS 10 FT. 
.FRI...SW WIND 10 KT. SEAS 5 FT. 
.SAT...SW WIND 20 KT. SEAS 8 FT.  

$$

PKZ176-251400-
WESTERN ALEUTIANS KISKA TO ATTU
400 PM AKDT MON AUG 24 2009

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...NW WIND 20 KT IN THE EVENING BECOMING VARIABLE LESS THAN
10 KT AFTER MIDNIGHT. SEAS 9 FT. AREAS OF FOG. 
.TUE...SE WIND 15 KT INCREASING TO 25 KT IN THE MORNING. SEAS 8 FT.
RAIN AND FOG.
.TUE NIGHT...S WIND 35 KT BECOMING NW AFTER MIDNIGHT. SEAS 10 FT.
RAIN SHOWERS.
.WED...NW WIND 35 KT. SEAS 12 FT. 
.WED NIGHT...NW WIND 20 KT. SEAS 10 FT. 
.THU...SW WIND 15 KT. SEAS 7 FT. 
.FRI...S WIND 15 KT. SEAS 6 FT. 
.SAT...SW WIND 20 KT. SEAS 8 FT.  

$$

PKZ185-251400-
ST MATTHEW ISLAND WATERS
400 PM AKDT MON AUG 24 2009

.TONIGHT...N WIND 20 KT. SEAS 6 FT. AREAS OF FOG. 
.TUE...N WIND 15 KT. SEAS 5 FT. AREAS OF FOG. 
.TUE NIGHT...SE WIND 20 KT. SEAS 5 FT. AREAS OF FOG. 
.WED...SE WIND 20 KT. SEAS 5 FT. 
.WED NIGHT...N WIND 15 KT. SEAS 5 FT. 
.THU...W WIND 20 KT. SEAS 6 FT. 
.FRI AND SAT...SW WIND 20 KT. SEAS 8 FT. 

$$

PKZ179-251400-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 PM AKDT MON AUG 24 2009

.TONIGHT...N WIND 20 KT. SEAS 7 FT. AREAS OF FOG. 
.TUE...NW WIND 20 KT. SEAS 5 FT. AREAS OF FOG. 
.TUE NIGHT...NE WIND 10 KT. SEAS 5 FT. AREAS OF FOG. 
.WED...SE WIND 30 KT. SEAS 9 FT. 
.WED NIGHT...NE WIND 20 KT. SEAS 6 FT. 
.THU...N WIND 25 KT. SEAS 7 FT. 
.FRI...NW WIND 20 KT. SEAS 5 FT. 
.SAT...W WIND 15 KT. SEAS 5 FT.  

$$

AREA FORECAST DISCUSSION...CORRECTED
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM AKDT SUN AUG 23 2009

CORRECTED TYPOS

.ANALYSIS AND UPPER LEVELS...
.UPPER LEVELS...THE MAIN UPPER TROUGH REMAINS OVER WESTERN ALASKA. A
SHORT WAVE SOUTH OF THE KENAI PENINSULA CONTINUES TO MOVE NORTHEAST
TOWARD PRINCE WILLIAM SOUND. A BROAD RIDGE HAD MOVED INTO THE CENTRAL
BERING SEA.

.AT THE SURFACE...THE OLD WEATHER FRONT OVER THE SUSITNA VALLEY AND
COOK INLET HAS SLOWED QUITE A BIT SINCE YESTERDAY BUT CONTINUES TO
MOVE EAST. A WEAK LOW SOUTH OF THE KENAI PENINSULA CONTINUES TO MOVE
NORTH. AREAS OF RAIN HAVE DEVELOPED OVER THE SUSITNA VALLEY, KENAI
PENINSULA AND PRINCE WILLIAM SOUND THIS MORNING AND WILL CONTINUE TO
SPREAD TO THE REST OF SOUTH-CENTRAL ALASKA BY THIS EVENING. A NARROW
WEATHER FRONT OVER THE SOUTHWEST INTERIOR CONTINUES TO MOVE EAST AND
HAS BROUGHT RAIN TO THE KUSKOKWIM VALLEY. A WEATHER FRONT OVER THE
WESTERN ALEUTIANS CONTINUES TO MOVE EAST ALONG THE CHAIN AND SOUTHERN
BERING.

.MODEL DISCUSSION...
THE MODELS ARE IN GENERALLY GOOD AGREEMENT OVER MAINLAND ALASKA AND
THE GULF BUT THERE CONTINUES TO BE SOME DISAGREEMENT ON THE HANDLING
OF THE EXTRA-TROPICAL STORM APPROACHING THE WESTERN ALEUTIANS
TUESDAY, THOUGH THE DIFFERENCES HAVE GOTTEN SMALLER.

.SHORT TERM FORECAST...
.UPPER LEVEL...THE MAIN UPPER TROUGH WILL REMAIN OVER WESTERN ALASKA
THROUGH TUESDAY WITH A SERIES OF WEAK SHORT WAVES DEVELOPING WITHIN
IT THEN WEAKENING AS THEY MOVE ACROSS SOUTH-CENTRAL ALASKA.

SOUTH-CENTRAL ALASKA AND THE GULF...THE WEAK WEATHER FRONT OVER THE
SUSITNA VALLEY WILL MOVE EAST AND DISSIPATE OVER THE COPPER RIVER
BASIN TONIGHT. AREAS OF RAIN WILL BECOME SCATTERED SHOWERS LATE
TONIGHT OR MONDAY MORNING...AND THESE SCATTERED SHOWERS WILL PERSIST
INTO TUESDAY. A MODERATE LOW SOUTH OF THE GULF WILL WEAKEN AS IT
MOVES INTO THE SOUTHEASTERN GULF TUESDAY.

SOUTHWEST ALASKA...THE WEATHER FRONT OVER THE KUSKOKWIM VALLEY WILL
DISSIPATE AS IT MOVES ACROSS THE ALASKA AND ALEUTIAN RANGES TONIGHT.
A RIDGE BUILDING OVER THE AREA WILL CLEAR SOME OF THE CLOUDS BUT MAY
ALLOW FOG TO FORM IN THE LOW LYING AREAS TONIGHT. ANOTHER UPPER SHORT
WAVE WILL BRING MORE CLOUDS AND WIDELY SCATTERED SHOWERS TO SOUTHWEST
AK MONDAY NIGHT AND TUESDAY. A LOW OVER THE SOUTHERN BERING TONIGHT
WILL PASS JUST WEST OF THE COLD BAY LATE MONDAY AND WILL BRING
ANOTHER SHOT OF RAIN THE ALASKA PENINSULA MONDAY AND MONDAY NIGHT.

BERING SEA...A LOW OVER THE SOUTHWEST BERING SEA WILL MOVE EAST
ACROSS THE SOUTHERN BERING SEA THROUGH MONDAY EVENING THEN TURN
SOUTHEAST INTO THE NORTH PACIFIC MONDAY NIGHT. THE ASSOCIATED FRONT
OVER THE WESTERN ALEUTIANS WILL MOVE EAST WITH THE LOW THROUGH THE
REST OF THE ALEUTIAN CHAIN THEN EXIT INTO NORTH PACIFIC MONDAY
EVENING. RAIN AND GUSTY WINDS WILL SPREAD EASTWARD WITH THE FRONT AND
WILL BECOME SCATTERED SHOWERS BEHIND IT.

MORE RAIN WILL MOVE INTO THE WESTERN ALEUTIANS LATE TUESDAY AS A NEW
STORM SYSTEM APPROACHES FROM THE SOUTH.

.LONG TERM FORECAST...
THE MODELS APPEARS TO HAVE A SIMILAR SOLUTION THROUGH THE REST OF THE
WEEK. THE MAIN UPPER TROUGH OVER WESTERN ALASKA WILL REMAIN NEARLY
STATIONARY THROUGH FRIDAY. CLOUDS AND SCATTERED SHOWERS WILL LINGER
OVER SOUTH-CENTRAL ALASKA FOR THE REST OF THE WEEK. NORTHERLY FLOW
OVER WESTERN ALASKA SHOULD KEEP THE SOUTHWEST SECTION MOSTLY DRY
EXCEPT FOR AN OCCASIONAL BAND OF SHOWERS.

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

NM AUG 09