Alert archive / Alaska / Small Craft Advisories in 2012

Small Craft Advisory 925, NWS Anchorage, AK

December 21, 2012

NWS Anchorage, AK issued this small craft advisory at Dec 21, 2012, 4:00 AM AKST. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued: Dec 21, 2012, 4:00 AM AKST (13:00 UTC)
Expired: Dec 22, 2012, 4:00 PM AKST
In force: 36 hr
Issued by: NWS Anchorage, AK

The text

As transmitted, in the capitals the NWS used until 2016.

446 
FZAK52 PAFC 211228
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKST FRI DEC 21 2012

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.

PKZ199-220300-
400 AM AKST FRI DEC 21 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A WEATHER FRONT OVER THE CENTRAL ALEUTIANS WILL MOVE TO THE EASTERN
ALEUTIANS FRI AFTERNOON AND DISSIPATE FRI NIGHT. A 1002 MB LOW WILL
DEVELOP 90 NM EAST OF CHIGNIK SAT EVENING AND WILL DEEPEN TO 998 MB
SAT NIGHT.

$$

PKZ150-220300-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 AM AKST FRI DEC 21 2012

.TODAY...NE WIND 20 KT. SEAS 6 FT.  
.TONIGHT...E WIND 15 KT. SEAS 5 FT. 
.SAT...VARIABLE WIND 10 KT. SEAS 6 FT. PATCHY FOG. 
.SAT NIGHT...NW WIND 15 KT. SEAS 7 FT. 
.SUN...NW WIND 25 KT. SEAS 7 FT. 
.MON...NW WIND 20 KT. SEAS 6 FT. 
.TUE...S WIND 30 KT. SEAS 12 FT.  

$$

PKZ155-220300-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 AM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...SE WIND 25 KT EXCEPT E 15 KT FROM THE SHUMAGIN ISLANDS E.
SEAS 8 FT. PATCHY FOG. 
.TONIGHT...E WIND 20 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. SEAS 9
FT. PATCHY FOG. RAIN AND SNOW. 
.SAT...VARIABLE WIND 10 KT BECOMING NW 25 KT IN THE AFTERNOON.
SHUMAGIN ISLANDS E...VARIABLE WIND 10 KT. SEAS 8 FT. PATCHY FOG. 
.SAT NIGHT AND SUN...NW WIND 30 KT. SEAS 9 FT. 
.MON...W WIND 20 KT. SEAS 6 FT. 
.TUE...S WIND 30 KT. SEAS 15 FT.  

$$

PKZ160-220300-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 AM AKST FRI DEC 21 2012

...HEAVY FREEZING SPRAY WARNING TODAY...
...SMALL CRAFT ADVISORY TODAY...

.TODAY...E WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. HEAVY FREEZING
SPRAY IN THE MORNING. 
.TONIGHT...E WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. PATCHY FOG.
FREEZING SPRAY IN THE EVENING. 
.SAT...VARIABLE WIND 10 KT BECOMING N 15 KT IN THE AFTERNOON. SEAS IN
ICE FREE WATERS 2 FT. PATCHY FOG. 
.SAT NIGHT AND SUN...N WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT.
.MON...NW WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. 
.TUE...E WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT.  

$$

PKZ165-220300-
PORT HEIDEN TO CAPE SARICHEF
400 AM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY TODAY AND SATURDAY...

.TODAY...SE WIND 25 KT. SEAS 7 FT. PATCHY FOG. FREEZING SPRAY IN 
THE MORNING. 
.TONIGHT...SE WIND 20 KT BECOMING VARIABLE 15 KT AFTER MIDNIGHT. 
SEAS 5 FT. PATCHY FOG. RAIN AND SNOW. 
.SAT...VARIABLE WIND 10 KT IN THE MORNING BECOMING NW 30 KT. FROM
PORT MOLLER E...VARIABLE WIND 10 KT BECOMING W 15 KT IN THE
AFTERNOON. SEAS 6 FT BUILDING TO 10 FT IN THE AFTERNOON. PATCHY FOG. 
.SAT NIGHT AND SUN...NW WIND 30 KT. SEAS 11 FT. 
.MON...W WIND 15 KT. SEAS 7 FT. 
.TUE...SE WIND 30 KT. SEAS 9 FT.  

$$

PKZ180-220300-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 AM AKST FRI DEC 21 2012

...GALE WARNING TODAY...

.TODAY...SE WIND 35 KT. PATCHY FOG. 
.TONIGHT...SE WIND 25 KT BECOMING VARIABLE 15 KT AFTER MIDNIGHT.
PATCHY FOG. SNOW AND RAIN.
.SAT...VARIABLE WIND 10 KT BECOMING N WIND 20 KT IN THE AFTERNOON.
PATCHY FOG. 
.SAT NIGHT AND SUN...N WIND 25 KT. 
.MON...NE WIND 10 KT. 
.TUE...E WIND 30 KT.  

$$

PKZ170-220300-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 AM AKST FRI DEC 21 2012

...GALE WARNING TODAY...

.TODAY...SE WIND 35 KT BECOMING NW IN THE AFTERNOON. SEAS 12 FT.
PATCHY FOG. RAIN.
.TONIGHT...NW WIND 30 KT. SEAS 11 FT. 
.SAT...NW WIND 25 KT. SEAS 10 FT. 
.SAT NIGHT...N WIND 30 KT. SEAS 9 FT. 
.SUN...NW WIND 30 KT. SEAS 11 FT. 
.MON...SW WIND 25 KT. SEAS 6 FT. 
.TUE...S WIND 40 KT. SEAS 17 FT.  

$$

PKZ171-220300-
UNALASKA BAY
400 AM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SE WIND 30 KT BECOMING S 15 KT IN THE AFTERNOON. GUSTS TO 
40 KT IN THE MORNING. SEAS 5 FT SUBSIDING TO 2 FT IN THE AFTERNOON.
PATCHY FOG. RAIN.
.TONIGHT...NW WIND 25 KT. SEAS 4 FT BUILDING TO 8 FT AFTER MIDNIGHT.
RAIN AND SNOW. 
.SAT...NW WIND 20 KT. SEAS 7 FT. 
.SAT NIGHT...NW WIND 25 KT. SEAS 7 FT. 
.SUN...NW WIND 25 KT. SEAS 10 FT. 
.MON...W WIND 10 KT. SEAS 2 FT. 
.TUE...S WIND 30 KT. SEAS 5 FT.  

$$

PKZ172-220300-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 AM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...W WIND 25 KT. SEAS 15 FT. 
.TONIGHT...VARIABLE WIND 15 KT. E OF SEGUAM ISLAND...NW WIND 30 KT
BECOMING W 20 KT AFTER MIDNIGHT. SEAS 12 FT. 
.SAT...N WIND 15 KT. SEAS 9 FT. 
.SAT NIGHT...NE WIND 20 KT. SEAS 7 FT. 
.SUN...N WIND 20 KT. SEAS 9 FT. 
.MON...S WIND 30 KT. SEAS 10 FT. 
.TUE...S WIND 35 KT. SEAS BUILDING TO 31 FT.  

$$

PKZ175-220300-
WESTERN ALEUTIANS ADAK TO KISKA
400 AM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...SW WIND 25 KT. SEAS 15 FT. 
.TONIGHT...SW WIND 20 KT BECOMING VARIABLE 15 KT AFTER MIDNIGHT. 
SEAS 11 FT. 
.SAT...E WIND 20 KT. SEAS 8 FT. 
.SAT NIGHT...E WIND 20 KT. SEAS 13 FT. 
.SUN...SE WIND 30 KT. SEAS 11 FT. 
.MON...SE WIND 30 KT. SEAS 15 FT. 
.TUE...SW WIND 40 KT. SEAS BUILDING TO 30 FT.  

$$

PKZ176-220300-
WESTERN ALEUTIANS KISKA TO ATTU
400 AM AKST FRI DEC 21 2012

...GALE WARNING TODAY...

.TODAY...SW WIND 35 KT DIMINISHING TO 25 KT IN THE AFTERNOON. 
SEAS 16 FT. SNOW SHOWERS. 
.TONIGHT...SW WIND 25 KT. SEAS 12 FT. 
.SAT...S WIND 15 KT. SEAS 10 FT. 
.SAT NIGHT...SE WIND 15 KT. SEAS 9 FT. 
.SUN...SE WIND 35 KT. SEAS 16 FT. 
.MON...SE WIND 20 KT. SEAS 19 FT. 
.TUE...NW WIND 35 KT. SEAS 23 FT.  

$$

PKZ185-220300-
ST MATTHEW ISLAND WATERS
400 AM AKST FRI DEC 21 2012

...GALE WARNING TODAY...

.TODAY...S WIND 45 KT BECOMING SW 30 KT IN THE AFTERNOON. SEAS IN
ICE FREE WATERS 20 FT. PATCHY FOG. RAIN AND SNOW. 
.TONIGHT...SW WIND 20 KT. SEAS IN ICE FREE WATERS 15 FT.
.SAT...SW WIND 15 KT. SEAS IN ICE FREE WATERS 11 FT. 
.SAT NIGHT...NW WIND 15 KT. SEAS IN ICE FREE WATERS 8 FT. 
.SUN...NW WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT. 
.MON...E WIND 20 KT. SEAS IN ICE FREE WATERS 9 FT. 
.TUE...E WIND 35 KT. SEAS IN ICE FREE WATERS 20 FT.  

$$

PKZ179-220300-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 AM AKST FRI DEC 21 2012

...GALE WARNING TODAY...

.TODAY...SE WIND 40 KT BECOMING W 25 KT IN THE AFTERNOON. SEAS
14 FT. PATCHY FOG. RAIN AND SNOW. 
.TONIGHT...NW WIND 25 KT. SEAS 10 FT. 
.SAT...NW WIND 15 KT. SEAS 9 FT. 
.SAT NIGHT...N WIND 25 KT. SEAS 7 FT. 
.SUN...NW WIND 25 KT. SEAS 8 FT. 
.MON...SW WIND 15 KT. SEAS 5 FT. 
.TUE...SE WIND 30 KT. SEAS 16 FT.  

$$

3 follow-up statements

447 
FZAK52 PAFC 212355
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 PM AKST FRI DEC 21 2012

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.

PKZ199-221500-
400 PM AKST FRI DEC 21 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A WEATHER FRONT OVER THE EASTERN BERING SEA WILL DISSIPATE BY 
LATE TONIGHT. HIGH PRESSURE WILL PERSIST OVER THE BERING SEA SAT
MORNING THROUGH SUN AFTERNOON. A WEATHER FRONT WILL APPROACH THE
WESTERN ALEUTIANS BY SUN AFTERNOON.
$$

PKZ150-221500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 PM AKST FRI DEC 21 2012

.TONIGHT...NE WIND 15 KT BECOMING VARIABLE 10 KT AFTER MIDNIGHT. 
SEAS 5 FT. FREEZING SPRAY N OF CHIRIKOF ISLAND.
.SAT...N WIND 15 KT. SEAS 7 FT. FREEZING SPRAY.
.SAT NIGHT...NW WIND 15 KT. SEAS 7 FT. FREEZING SPRAY. 
.SUN...NW WIND 20 KT. SEAS 7 FT. 
.SUN NIGHT...NW WIND 25 KT. SEAS 7 FT. 
.MON...NW WIND 25 KT. SEAS 7 FT. 
.TUE...SE WIND 30 KT. SEAS 12 FT. 
.WED...S WIND 25 KT. SEAS 14 FT.  

$$

PKZ155-221500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 PM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...SE WIND 20 KT BECOMING VARIABLE LESS THAN 10 KT 
AFTER MIDNIGHT. SEAS 8 FT. PATCHY FOG. RAIN.
.SAT...NW WIND 15 KT...INCREASING TO 25 KT W OF THE SHUMAGIN ISLANDS
IN THE AFTERNOON. SEAS 8 FT. PATCHY FOG. 
.SAT NIGHT...NW WIND 30 KT. FROM THE SHUMAGIN ISLANDS E...NW WIND
15 KT INCREASING TO 25 KT AFTER MIDNIGHT. SEAS 9 FT. FREEZING SPRAY.
.SUN...NW WIND 30 KT. SEAS 9 FT. 
.SUN NIGHT...NW WIND 25 KT. SEAS 8 FT. 
.MON...W WIND 25 KT. SEAS 8 FT. 
.TUE...S WIND 30 KT. SEAS 15 FT. 
.WED...SW WIND 25 KT. SEAS 21 FT.  

$$

PKZ160-221500-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 PM AKST FRI DEC 21 2012

...HEAVY FREEZING SPRAY WARNING TONIGHT AND SATURDAY NIGHT...
...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...E WIND 20 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. 
SEAS IN ICE FREE WATERS 4 FT. PATCHY FOG. HEAVY FREEZING SPRAY 
IN THE EVENING. 
.SAT...NE WIND 10 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS 
IN ICE FREE WATERS 2 FT. PATCHY FOG. 
.SAT NIGHT...N WIND 25 KT EXCEPT NE 15 KT E OF 160W. SEAS IN 
ICE FREE WATERS 4 FT. PATCHY FOG. HEAVY FREEZING SPRAY. 
.SUN...N WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT. 
.SUN NIGHT...N WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.MON...NW WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE...E WIND 30 KT. SEAS IN ICE FREE WATERS 9 FT. 
.WED...SE WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT.  

$$

PKZ165-221500-
PORT HEIDEN TO CAPE SARICHEF
400 PM AKST FRI DEC 21 2012

...HEAVY FREEZING SPRAY WARNING SATURDAY NIGHT...
...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...S WIND 20 KT BECOMING VARIABLE 10 KT BY MIDNIGHT. 
W OF COLD BAY...WIND BECOMING NW 30 KT AFTER MIDNIGHT. SEAS 5 FT.
PATCHY FOG. RAIN AND SNOW SHOWERS. 
.SAT...NW WIND 25 KT. FROM PORT MOLLER E...VARIABLE WIND 10 KT
BECOMING NW 15 KT IN THE AFTERNOON. SEAS 10 FT. PATCHY FOG. 
FREEZING SPRAY.
.SAT NIGHT...NW WIND 30 KT. SEAS 12 FT. FROM PORT MOLLER E...NW 
WIND 20 KT. SEAS 8 FT. HEAVY FREEZING SPRAY. 
.SUN...N WIND 25 KT. SEAS 11 FT. 
.SUN NIGHT...NW WIND 20 KT. SEAS 9 FT. 
.MON...W WIND 20 KT. SEAS 7 FT. 
.TUE...SE WIND 30 KT. SEAS 9 FT. 
.WED...S WIND 25 KT. SEAS 14 FT.  

$$

PKZ180-221500-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 PM AKST FRI DEC 21 2012

...BRISK WIND ADVISORY SATURDAY NIGHT...

.TONIGHT...SE WIND 20 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. 
AREAS OF FOG. SNOW SHOWERS. 
.SAT...N WIND 15 KT. PATCHY FOG. 
.SAT NIGHT...N WIND 15 KT INCREASING TO 25 KT AFTER MIDNIGHT. 
.SUN...N WIND 25 KT. 
.SUN NIGHT...N WIND 20 KT. 
.MON...VARIABLE WIND 10 KT. 
.TUE...E WIND 30 KT. 
.WED...E WIND 25 KT.  

$$

PKZ170-221500-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 PM AKST FRI DEC 21 2012

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...NW WIND 30 KT. SEAS 11 FT. RAIN AND SNOW SHOWERS. 
PATCHY FOG.
.SAT...NW WIND 25 KT. SEAS 9 FT. 
.SAT NIGHT...N WIND 25 KT INCREASING TO 35 KT AFTER MIDNIGHT. 
SEAS 11 FT. 
.SUN...N WIND 35 KT. SEAS 13 FT. 
.SUN NIGHT...NW WIND 25 KT. SEAS 10 FT. 
.MON...S WIND 20 KT. SEAS 7 FT. 
.TUE...SE WIND 35 KT. SEAS 17 FT. 
.WED...SW WIND 30 KT. SEAS 25 FT.  

$$

PKZ171-221500-
UNALASKA BAY
400 PM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY NIGHT...

.TONIGHT...NW WIND 25 KT. SEAS 4 FT BUILDING TO 7 FT AFTER 
MIDNIGHT. RAIN SHOWERS. 
.SAT...NW WIND 20 KT. SEAS 7 FT. 
.SAT NIGHT...N WIND 20 KT INCREASING TO 30 KT AFTER MIDNIGHT. 
SEAS 10 FT. 
.SUN...N WIND 30 KT. SEAS 13 FT. 
.SUN NIGHT...NW WIND 25 KT. SEAS 9 FT. 
.MON...S WIND 15 KT. SEAS 7 FT. 
.TUE...S WIND 30 KT. SEAS 5 FT. 
.WED...SW WIND 20 KT. SEAS 3 FT.  

$$

PKZ172-221500-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 PM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...SW WIND 20 KT BECOMING VARIABLE 10 KT AFTER MIDNIGHT. 
SEAS 12 FT SUBSIDING TO 8 FT AFTER MIDNIGHT. 
.SAT...VARIABLE 10 KT BECOMING NE 20 KT BY MIDDAY. SEAS 9 FT. 
.SAT NIGHT...NE WIND 20 KT. SEAS 8 FT. 
.SUN...N WIND 25 KT. SEAS 10 FT. 
.SUN NIGHT...NW WIND 25 KT. SEAS 9 FT. 
.MON...S WIND 30 KT. SEAS 10 FT. 
.TUE...SE WIND 35 KT. SEAS 31 FT. 
.WED...SW WIND 30 KT. SEAS 28 FT.  

$$

PKZ175-221500-
WESTERN ALEUTIANS ADAK TO KISKA
400 PM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...SW WIND 20 KT BECOMING VARIABLE 10 KT BY MIDNIGHT. 
SEAS 12 FT. 
.SAT...E WIND 20 KT. SEAS 9 FT. 
.SAT NIGHT...E WIND 20 KT. SEAS 7 FT BERING SIDE...14 FT PACIFIC
SIDE. 
.SUN...SE WIND 25 KT. SEAS 11 FT. 
.SUN NIGHT...SE WIND 35 KT. SEAS 11 FT. 
.MON...S WIND 30 KT. SEAS 15 FT. 
.TUE...W WIND 40 KT. SEAS 30 FT. 
.WED...SW WIND 35 KT. SEAS 28 FT.  

$$

PKZ176-221500-
WESTERN ALEUTIANS KISKA TO ATTU
400 PM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...SW WIND 25 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. 
SEAS 13 FT. RAIN AND SNOW SHOWERS.
.SAT...VARIABLE WIND 15 KT. SEAS 9 FT. 
.SAT NIGHT...VARIABLE WIND 15 KT BECOMING SE 20 KT AFTER 
MIDNIGHT. SEAS 12 FT. 
.SUN...SE WIND 35 KT. SEAS 15 FT. 
.SUN NIGHT...S WIND 35 KT. SEAS 17 FT. 
.MON...S WIND 30 KT. SEAS 21 FT. 
.TUE...NW WIND 35 KT. SEAS 23 FT. 
.WED...W WIND 30 KT. SEAS 24 FT.  

$$

PKZ185-221500-
ST MATTHEW ISLAND WATERS
400 PM AKST FRI DEC 21 2012

...HEAVY FREEZING SPRAY WARNING SATURDAY NIGHT...
...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...E OF SAINT MATTHEW ISLAND...SE WIND 15 KT BECOMING NW
AFTER MIDNIGHT. W OF SAINT MATTHEW ISLAND...SW WIND 20 KT. SEAS IN
ICE FREE WATERS 15 FT.
.SAT...SW WIND 15 KT EXCEPT NW 15 KT E OF SAINT MATTHEW ISLAND. 
SEAS IN ICE FREE WATERS 11 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS IN ICE FREE WATERS 8 FT. HEAVY
FREEZING SPRAY E OF SAINT MATTHEW ISLAND. 
.SUN AND SUN NIGHT...N WIND 20 KT. SEAS IN ICE FREE WATERS 6 FT. 
.MON...NE WIND 20 KT. SEAS IN ICE FREE WATERS 9 FT. 
.TUE...E WIND 35 KT. SEAS IN ICE FREE WATERS 20 FT. 
.WED...E WIND 35 KT. SEAS IN ICE FREE WATERS 22 FT.  

$$

PKZ179-221500-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 PM AKST FRI DEC 21 2012

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...NW WIND 20 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. 
SEAS 9 FT. 
.SAT...NW WIND 15 KT. SEAS 8 FT. 
.SAT NIGHT...N WIND 15 KT INCREASING TO 25 KT AFTER MIDNIGHT. 
SEAS 9 FT. 
.SUN...N WIND 30 KT. SEAS 10 FT. 
.SUN NIGHT...NW WIND 25 KT. SEAS 8 FT. 
.MON...SW WIND 15 KT. SEAS 6 FT. 
.TUE...SE WIND 30 KT. SEAS 16 FT. 
.WED...S WIND 20 KT. SEAS 18 FT.  

$$

470 
FZAK52 PAFC 221223
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKST SAT DEC 22 2012

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.

PKZ199-230300-
400 AM AKST SAT DEC 22 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

HIGH PRESSURE WILL BE OVER THE BERING SEA THROUGH SUN AFTERNOON. A
999 MB LOW WILL FORM 120 NM SOUTHEAST OF CHIGNIK SAT EVENING THEN
MOVE TO 210 NM SOUTH OF KODIAK AT 991 MB SUN MORNING AND THEN TO 90
NM SOUTH OF KODIAK SUN NIGHT AT 981 MB. A WEATHER FRONT WILL APPROACH
THE WESTERN ALEUTIANS BY SUN AFTERNOON.

$$

PKZ150-230300-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 AM AKST SAT DEC 22 2012

...HEAVY FREEZING SPRAY WARNING SUNDAY...

.TODAY...VARIABLE WIND 10 KT. SEAS 6 FT. 
.TONIGHT...N WIND 15 KT. SEAS 6 FT. FREEZING SPRAY AFTER MIDNIGHT. 
.SUN...N WIND 20 KT. SEAS 6 FT. HEAVY FREEZING SPRAY NEAR THE COAST. 
.SUN NIGHT...N WIND 25 KT. SEAS 8 FT. 
.MON...W WIND 25 KT. SEAS 8 FT. 
.TUE...SE WIND 30 KT. SEAS 15 FT. 
.WED...S WIND 25 KT. SEAS 21 FT.  

$$

PKZ155-230300-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 AM AKST SAT DEC 22 2012

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...VARIABLE WIND 10 KT BECOMING NW 25 KT IN THE AFTERNOON. 
FROM THE SHUMAGIN ISLANDS E...VARIABLE WIND 10 KT BECOMING NW 15 KT
IN THE AFTERNOON. SEAS 7 FT. PATCHY FOG. 
.TONIGHT...NW WIND 30 KT. SEAS 9 FT. FREEZING SPRAY. 
.SUN...NW WIND 25 KT. SEAS 8 FT. FREEZING SPRAY. 
.SUN NIGHT...NW WIND 25 KT. SEAS 7 FT. 
.MON...W WIND 25 KT. SEAS 8 FT. 
.TUE...SE WIND 30 KT. SEAS 15 FT. 
.WED...S WIND 30 KT. SEAS 19 FT.  

$$

PKZ160-230300-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 AM AKST SAT DEC 22 2012

...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY...

.TODAY...NE WIND 10 KT BECOMING N 20 KT IN THE AFTERNOON. SEAS IN
ICE FREE WATERS 2 FT. PATCHY FOG. HEAVY FREEZING SPRAY. 
.TONIGHT AND SUN...N WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
PATCHY FOG. HEAVY FREEZING SPRAY. 
.SUN NIGHT...N WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.
.MON...W WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE...E WIND 35 KT. SEAS IN ICE FREE WATERS 10 FT. 
.WED...E WIND 30 KT. SEAS IN ICE FREE WATERS 8 FT.  

$$

PKZ165-230300-
PORT HEIDEN TO CAPE SARICHEF
400 AM AKST SAT DEC 22 2012

...GALE WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING TONIGHT AND SUNDAY...

.TODAY...NW WIND 30 KT. SEAS 11 FT. FROM PORT MOLLER E...VARIABLE
WIND 10 KT BECOMING NW 20 KT IN THE AFTERNOON. SEAS 5 FT. PATCHY FOG.
SNOW. FREEZING SPRAY IN THE AFTERNOON. 
.TONIGHT...N WIND 35 KT. SEAS 12 FT. HEAVY FREEZING SPRAY. 
.SUN...N WIND 30 KT. SEAS 11 FT. PATCHY FOG. HEAVY FREEZING SPRAY. 
.SUN NIGHT...NW WIND 25 KT. SEAS 9 FT. 
.MON...W WIND 20 KT. SEAS 7 FT. 
.TUE...SE WIND 30 KT. SEAS 10 FT. 
.WED...SE WIND 20 KT. SEAS 9 FT.  

$$

PKZ180-230300-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 AM AKST SAT DEC 22 2012

...BRISK WIND ADVISORY TONIGHT AND SUNDAY...

.TODAY...N WIND 20 KT. PATCHY FOG. 
.TONIGHT AND SUN...N WIND 25 KT. PATCHY FOG. 
.SUN NIGHT...N WIND 20 KT. 
.MON...NE WIND 15 KT. 
.TUE...E WIND 30 KT. 
.WED...E WIND 25 KT.  

$$

PKZ170-230300-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 AM AKST SAT DEC 22 2012

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...N WIND 30 KT. SEAS 10 FT. 
.TONIGHT AND SUN...N WIND 35 KT. SEAS 12 FT. 
.SUN NIGHT...NW WIND 30 KT. SEAS 10 FT. 
.MON...SW WIND 25 KT. SEAS 8 FT. 
.TUE...SE WIND 30 KT. SEAS 14 FT. 
.WED...SW WIND 30 KT. SEAS 15 FT.  

$$

PKZ171-230300-
UNALASKA BAY
400 AM AKST SAT DEC 22 2012

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...NW WIND 20 KT. GUSTS TO 35 KT. SEAS 7 FT. 
.TONIGHT...N WIND 30 KT. GUSTS TO 40 KT. SEAS 11 FT. 
.SUN...N WIND 25 KT. GUSTS TO 35 KT. SEAS 10 FT. 
.SUN NIGHT...NW WIND 20 KT. SEAS 7 FT. 
.MON...SW WIND 15 KT. SEAS 5 FT. 
.TUE...SE WIND 30 KT. SEAS 4 FT. 
.WED...SW WIND 15 KT. SEAS 2 FT.  

$$

PKZ172-230300-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 AM AKST SAT DEC 22 2012

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...VARIABLE WIND 10 KT IN THE MORNING BECOMING NE 20 KT. 
SEAS 8 FT. 
.TONIGHT...NE WIND 25 KT. SEAS 8 FT. 
.SUN...NE WIND 25 KT. SEAS 10 FT. 
.SUN NIGHT...NE WIND 25 KT. SEAS 9 FT. 
.MON...S WIND 30 KT. SEAS 13 FT. 
.TUE...E WIND 30 KT. SEAS 12 FT. 
.WED...W WIND 30 KT. SEAS 15 FT.  

$$

PKZ175-230300-
WESTERN ALEUTIANS ADAK TO KISKA
400 AM AKST SAT DEC 22 2012

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...E WIND 25 KT. SEAS 10 FT. 
.TONIGHT...E WIND 20 KT. SEAS 13 FT. 
.SUN...SE WIND 25 KT. SEAS 12 FT. 
.SUN NIGHT...SE WIND 35 KT. SEAS 11 FT. 
.MON...W WIND 35 KT. SEAS 15 FT. 
.TUE...NW WIND 30 KT. SEAS 13 FT. 
.WED...SW WIND 30 KT. SEAS 16 FT.  

$$

PKZ176-230300-
WESTERN ALEUTIANS KISKA TO ATTU
400 AM AKST SAT DEC 22 2012

...GALE WARNING SUNDAY...

.TODAY...VARIABLE WIND 15 KT. SEAS 10 FT. SNOW AND RAIN. 
.TONIGHT...SE WIND 15 KT INCREASING TO 25 KT AFTER MIDNIGHT. 
SEAS 13 FT. 
.SUN...SE WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. 
SEAS 16 FT. PATCHY FOG. 
.SUN NIGHT...S WIND 40 KT. SEAS 17 FT. 
.MON...W WIND 30 KT. SEAS 19 FT. 
.TUE...W WIND 30 KT. SEAS 16 FT. 
.WED...S WIND 30 KT. SEAS 17 FT.  

$$

PKZ185-230300-
ST MATTHEW ISLAND WATERS
400 AM AKST SAT DEC 22 2012

...HEAVY FREEZING SPRAY WARNING SUNDAY...
...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...VARIABLE WIND 15 KT. SEAS 11 FT. 
.TONIGHT...NW WIND 15 KT. SEAS 8 FT. FREEZING SPRAY NEAR THE ICE
EDGE. 
.SUN...N WIND 20 KT. SEAS 7 FT. HEAVY FREEZING SPRAY IN THE MORNING. 
.SUN NIGHT...N WIND 20 KT. SEAS 6 FT. 
.MON...NE WIND 25 KT. SEAS 9 FT. 
.TUE...E WIND 35 KT. SEAS 12 FT. 
.WED...NE WIND 35 KT. SEAS 9 FT.  

$$

PKZ179-230300-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 AM AKST SAT DEC 22 2012

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NW WIND 20 KT. SEAS 9 FT. 
.TONIGHT...N WIND 30 KT. SEAS 9 FT. 
.SUN...N WIND 30 KT. SEAS 9 FT. FREEZING SPRAY IN THE MORNING. 
.SUN NIGHT...N WIND 25 KT. SEAS 8 FT. 
.MON...SW WIND 15 KT. SEAS 6 FT. 
.TUE...E WIND 30 KT. SEAS 11 FT. 
.WED...NE WIND 25 KT. SEAS 9 FT.  

$$

643 
FZAK52 PAFC 222358
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 PM AKST SAT DEC 22 2012

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.

PKZ199-231500-
400 PM AKST SAT DEC 22 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 1003 MB LOW NEAR CHIGNIK WILL MOVE TO 90 NM SOUTH OF SITKINAK AT
995 MB LATE TONIGHT...THEN TO 80 NM NORTHWEST OF KODIAK CITY AT 
990 MB MON AFTERNOON. A WEATHER FRONT WILL MOVE INTO THE SOUTHWEST
BERING SEA SUN NIGHT. A 984 MB LOW WILL FORM ON THIS FRONT 90 NM
NORTHWEST OF ADAK MON AFTERNOON. 
$$

PKZ150-231500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 PM AKST SAT DEC 22 2012

...SMALL CRAFT ADVISORY SUNDAY AND SUNDAY NIGHT...

.TONIGHT...N WIND 20 KT. SEAS 6 FT. FREEZING SPRAY NEAR THE COAST. 
.SUN AND SUN NIGHT...N WIND 30 KT. SEAS 8 FT. SNOW. FREEZING SPRAY
NEAR THE COAST. 
.MON...NW WIND 25 KT. SEAS 8 FT. 
.MON NIGHT...W WIND 25 KT. SEAS 7 FT. 
.TUE...SE WIND 35 KT. SEAS 15 FT. 
.WED...S WIND 25 KT. SEAS 21 FT. 
.THU...S WIND 25 KT. SEAS 21 FT.  

$$

PKZ155-231500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 PM AKST SAT DEC 22 2012

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...NW WIND 30 KT INCREASING TO 40 KT WITH GUSTS TO 50 KT 
OUT OF BAYS AND PASSES AFTER MIDNIGHT. SEAS 9 FT. FREEZING SPRAY
ALONG THE COAST AFTER MIDNIGHT. 
.SUN...NW WIND 35 KT WITH GUSTS TO 45 KT OUT OF BAYS AND PASSES. 
SEAS 9 FT. FREEZING SPRAY. 
.SUN NIGHT...NW WIND 30 KT. SEAS 7 FT. FREEZING SPRAY. 
.MON...NW WIND 30 KT. SEAS 8 FT. 
.MON NIGHT...SW WIND 25 KT. SEAS 6 FT. 
.TUE...SE WIND 30 KT. SEAS 15 FT. 
.WED...S WIND 30 KT. SEAS 19 FT. 
.THU...SW WIND 25 KT. SEAS 18 FT.  

$$

PKZ160-231500-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 PM AKST SAT DEC 22 2012

...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY NIGHT...
...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...N WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. PATCHY FOG.
HEAVY FREEZING SPRAY. 
.SUN...N WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. PATCHY FOG. 
HEAVY FREEZING SPRAY. 
.SUN NIGHT...N WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
HEAVY FREEZING SPRAY. 
.MON...NW WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
.MON NIGHT...SW WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT. 
.TUE...E WIND 35 KT. SEAS IN ICE FREE WATERS 11 FT. 
.WED...E WIND 30 KT. SEAS IN ICE FREE WATERS 8 FT. 
.THU...SE WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. 

$$

PKZ165-231500-
PORT HEIDEN TO CAPE SARICHEF
400 PM AKST SAT DEC 22 2012

...GALE WARNING THROUGH SUNDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...N WIND 35 KT. SEAS 12 FT. HEAVY FREEZING SPRAY. 
.SUN...N WIND 35 KT. SEAS 11 FT. HEAVY FREEZING SPRAY. 
.SUN NIGHT...NW WIND 25 KT. SEAS 9 FT. HEAVY FREEZING SPRAY. 
.MON...NW WIND 20 KT. SEAS 7 FT. 
.MON NIGHT...S WIND 20 KT. SEAS 5 FT. 
.TUE...E WIND 35 KT. SEAS 10 FT. 
.WED...SE WIND 20 KT. SEAS 9 FT. 
.THU...S WIND 25 KT. SEAS 8 FT.  

$$

PKZ180-231500-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 PM AKST SAT DEC 22 2012

...BRISK WIND ADVISORY THROUGH SUNDAY...

.TONIGHT...N WIND 25 KT. 
.SUN...N WIND 25 KT. 
.SUN NIGHT...N WIND 15 KT. 
.MON...N WIND 15 KT. 
.MON NIGHT...E WIND 15 KT. 
.TUE...E WIND 30 KT. 
.WED...E WIND 25 KT. 
.THU...E WIND 20 KT.  

$$

PKZ170-231500-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 PM AKST SAT DEC 22 2012

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...N WIND 40 KT. SEAS 12 FT. 
.SUN...N WIND 40 KT. SEAS 12 FT. 
.SUN NIGHT...NW WIND 30 KT. SEAS 10 FT. 
.MON...W WIND 25 KT. SEAS 8 FT. 
.MON NIGHT...SW WIND 30 KT. SEAS 7 FT. 
.TUE...SE WIND 30 KT. SEAS 14 FT. 
.WED...SW WIND 30 KT. SEAS 15 FT. 
.THU...S WIND 25 KT. SEAS 17 FT.  

$$

PKZ171-231500-
UNALASKA BAY
400 PM AKST SAT DEC 22 2012

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...N WIND 35 KT WITH GUSTS TO 45 KT. SEAS 11 FT. 
.SUN...N WIND 35 KT WITH GUSTS TO 45 KT...DIMINISHING TO NW 25 KT
WITH GUSTS TO 35 KT IN THE AFTERNOON. SEAS 12 FT. 
.SUN NIGHT...NW WIND 25 KT. SEAS 9 FT. 
.MON...W WIND 25 KT. SEAS 4 FT. 
.MON NIGHT...S WIND 20 KT. SEAS 3 FT. 
.TUE...SE WIND 25 KT. SEAS 4 FT. 
.WED...SW WIND 15 KT. SEAS 2 FT. 
.THU...S WIND 15 KT. SEAS 2 FT.  

$$

PKZ172-231500-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 PM AKST SAT DEC 22 2012

...GALE WARNING SUNDAY...

.TONIGHT...NE WIND 30 KT EXCEPT NE 20 KT W OF SEGUAM ISLAND. 
SEAS 8 FT. 
.SUN...N WIND 35 KT EXCEPT NE 20 KT W OF SEGUAM ISLAND. 
SEAS 10 FT. 
.SUN NIGHT...N WIND 25 KT. W OF SEGUAM ISLAND...E WIND 10 KT 
BECOMING SE 25 KT AFTER MIDNIGHT. SEAS 9 FT. PATCHY FOG. 
.MON...SW WIND 35 KT. SEAS 9 FT. 
.MON NIGHT...W WIND 30 KT. SEAS 13 FT. 
.TUE...NE WIND 35 KT. SEAS 13 FT. 
.WED...W WIND 30 KT. SEAS 15 FT. 
.THU...S WIND 25 KT. SEAS 24 FT.  

$$

PKZ175-231500-
WESTERN ALEUTIANS ADAK TO KISKA
400 PM AKST SAT DEC 22 2012

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...E WIND 20 KT. SEAS 11 FT. 
.SUN...E WIND 20 KT BECOMING SE 30 KT IN THE AFTERNOON. SEAS 12 FT. 
.SUN NIGHT...SE WIND 35 KT. SEAS 12 FT. RAIN AND SNOW.
.MON...SW WIND 35 KT. SEAS 14 FT. 
.MON NIGHT...W WIND 30 KT. SEAS 15 FT. 
.TUE...NW WIND 35 KT. SEAS 13 FT. 
.WED...SW WIND 30 KT. SEAS 16 FT. 
.THU...SE WIND 15 KT. SEAS 20 FT.  

$$

PKZ176-231500-
WESTERN ALEUTIANS KISKA TO ATTU
400 PM AKST SAT DEC 22 2012

...GALE WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...E WIND 10 KT BECOMING SE 25 KT AFTER MIDNIGHT. 
SEAS 8 FT BUILDING TO 12 FT. 
.SUN...SE WIND 30 KT INCREASING TO 40 KT IN THE AFTERNOON. 
SEAS 12 FT BUILDING 16 FT. PATCHY FOG. 
.SUN NIGHT...SE WIND 45 KT BECOMING SW 35 KT AFTER MIDNIGHT. 
SEAS 18 FT. PATCHY FOG. SNOW AND RAIN. 
.MON...W WIND 30 KT. SEAS 19 FT. 
.MON NIGHT...SW WIND 25 KT. SEAS 16 FT. 
.TUE...SW WIND 30 KT. SEAS 16 FT. 
.WED...S WIND 30 KT. SEAS 17 FT. 
.THU...NE WIND 30 KT. SEAS 19 FT.  

$$

PKZ185-231500-
ST MATTHEW ISLAND WATERS
400 PM AKST SAT DEC 22 2012

...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY NIGHT...
...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW WIND 20 KT. SEAS 8 FT. HEAVY FREEZING SPRAY. 
.SUN AND SUN NIGHT...N WIND 20 KT. SEAS 6 FT. HEAVY FREEZING SPRAY. 
.MON...NE WIND 20 KT. SEAS 6 FT. 
.MON NIGHT...E WIND 25 KT. SEAS 9 FT. 
.TUE...E WIND 35 KT. SEAS 11 FT. 
.WED...NE WIND 35 KT. SEAS 9 FT. 
.THU...NE WIND 30 KT. SEAS 14 FT.  

$$

PKZ179-231500-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 PM AKST SAT DEC 22 2012

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...NW WIND 25 KT BECOMING N 35 KT AFTER MIDNIGHT. 
FREEZING SPRAY AFTER MIDNIGHT. SEAS 9 FT.
.SUN...N WIND 35 KT. SEAS 10 FT. FREEZING SPRAY.
.SUN NIGHT...N WIND 25 KT. SEAS 8 FT. FREEZING SPRAY. 
.MON...N WIND 15 KT. SEAS 6 FT. 
.MON NIGHT...SE WIND 25 KT. SEAS 6 FT. 
.TUE...E WIND 35 KT. SEAS 11 FT. 
.WED...NE WIND 25 KT. SEAS 9 FT. 
.THU...E WIND 15 KT. SEAS 9 FT.  

$$

JM

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before this small craft advisory went out at Dec 20, 2:00 PM AKST, 14 hours earlier.

Area forecast discussion, Dec 20, 2:00 PM AKST, 14 hours before

SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
200 PM AKST THU DEC 20 2012

.MODEL DISCUSSION...
GUIDANCE IN GOOD AGREEMENT THROUGH 60 HOURS. GENERALLY THE FORECASTS
INCORPORATE THE NAM FOR ITS BETTER HANDLING OF TERRAIN RELATED/SMALL
SCALE FEATURES. AFTER 60 HOURS THERE STARTS TO BE SOME DIVERGENCE ON
HOW THE MODELS HANDLE THE UPPER LEVEL LOW MOVING ACROSS SOUTHERN
ALASKA...AND THE ASSOCIATED SURFACE LOW(S) OVER THE GULF. THE GFS
TENDS TO BE SLOWER WITH THE UPPER LOW WHILE THE NAM AND ECMWF ARE A
LITTLE FASTER. AS THE LOW MOVES WEST AND BEGINS TO SPLIT...THE GFS
IS PUSHING MORE OF THE ENERGY INTO THE NORTHERN BRANCH OF THE SPLIT
WITH THE NAM AND ECMWF PUTTING MORE ENERGY IN THE SOUTHERN BRANCH.
THEREFORE CONFIDENCE IS NOT TOO HIGH AT THIS POINT IN THE
FORECAST...BUT THERE ARE PLENTY OF MODEL RUNS AHEAD FOR THIS TO SORT
ITSELF OUT.

.ANALYSIS AND UPPER LEVELS...
THERE IS A HUGE BLOCKING RIDGE BETWEEN 150 AND 160 DEGREES WEST
LONGITUDE. THIS RIDGE IS NEARLY FULL-LATITUDE...IT STRETCHES FROM
THE TROPICS TO 80 DEGREES NORTH. THERE IS AN UPPER LEVEL LOW OVER
THE SOUTHEAST GULF OF ALASKA THAT IS CONTINUING TO MOVE SOUTH. A
WEAK UPPER LEVEL TROUGH STRETCHES NORTH FROM THIS LOW INTO THE
ARCTIC OCEAN NEAR MACKENZIE BAY. THERE IS A LARGE UPPER LEVEL LOW
CENTERED OVER THE KAMCHATKA PENINSULA WITH STRONG SOUTHERLY FLOW
OVER THE CENTRAL AND WESTERN BERING SEA. NORTHERLY FLOW IS OVER MOST
OF SOUTHERN ALASKA.

.SHORT TERM FORECAST...
THE OVER-ALL PATTERN WILL REMAIN IN PLACE INTO FRIDAY. THE UPPER
LEVEL RIDGE WILL SLOWLY GET SQUEEZED FRIDAY AND THEN WILL "PINCH
OFF" WITH A CLOSED HIGH MOVING INTO THE ARCTIC OCEAN NEAR POINT
BARROW SATURDAY MORNING. AS THIS HAPPENS AN UPPER LEVEL LOW WILL
DEVELOP OVER THE YUKON TERRITORY FRIDAY NIGHT AND MOVE INTO SOUTHERN
ALASKA BY SATURDAY AFTERNOON. THIS LOW WILL THEN SPLIT ON SUNDAY
WITH SOME OF THE ENERGY MOVING NORTHWEST INTO WESTERN ALASKA...AND
SOME MOVING SOUTHEAST INTO THE GULF OF ALASKA. THE MODELS AGREE
THERE WILL BE A SPLIT...BUT DISAGREE ON HOW EXACTLY THIS WILL
PROGRESS.

SOUTH CENTRAL ALASKA...STRONG WINDS OVER FAVORED AREAS WILL CONTINUE
INTO FRIDAY WITH THE STRONG PRESSURE GRADIENT AND GOOD UPPER LEVEL
SUPPORT. WINDS WILL DIMINISH ON FRIDAY AS THE SURFACE GRADIENT
RELAXES. AS THE UPPER LOW MOVES INTO SOUTHERN ALASKA LATER SATURDAY
INTO SUNDAY...CHANCES OF PRECIPITATION WILL RETURN TO THE AREA.

SOUTHWEST ALASKA...WILL REMAIN DRY AND SEASONABLY COLD INTO SUNDAY
AS THE RIDGE STUBBORNLY HOLDS BACK ANY INTRUSION OF MOISTURE FROM
THE WEST. BY SUNDAY AFTERNOON THERE IS A SLIGHT CHANCE THAT
PRECIPITATION WILL MOVE IN FROM THE EAST AS THE UPPER LOW SLIDES
INTO THE AREA.

ALEUTIANS AND BERING SEA...SOUTHERLY FLOW ALOFT WILL CONTINUE TO
BRING PRECIPITATION INTO THE AREA THROUGH FRIDAY (MOSTLY IN THE FORM
OF RAIN). PRECIPITATION WILL THEN SLACK OFF FRIDAY NIGHT THROUGH
SUNDAY AS A WEAK UPPER LEVEL RIDGE BUILDS INTO THE BERING SEA.

.LONG TERM FORECAST...
THE EXTENDED FORECAST IS A BIT UNCERTAIN DUE TO MODEL DISAGREEMENT.
BUT WITH THE LACK OF A STRONG BLOCKING RIDGE...THERE IS SOME CHANCE
OF PRECIPITATION FOR MOST AREAS THROUGH THE PERIOD.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WARNING 111 131 135.
MARINE...GALE WARNING 127 128 130 170 172 175 176 179 180 185.
         HEAVY FREEZING SPRAY 121 125 126 127 128 129 130 132 138
             140 141 160.
FIRE WEATHER...NONE.

LUDWIG DEC 12

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

Issued	Product	Office	Lasted
Dec 20, 4:00 PM AKST	Small Craft Advisory	AFC	12 hr
Dec 20, 4:00 PM AKST	Small Craft Advisory	AFC	36 hr
Dec 20, 4:00 PM AKST	Heavy Freezing Spray Warning	AFC	12 hr
Dec 21, 4:00 AM AKST	Small Craft Advisory	AFC	60 hr
Dec 21, 4:00 AM AKST	Heavy Freezing Spray Warning	AFC	24 hr

Nearby

Small Craft Advisories in Alaska, 2012 Every small craft advisory in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.