Alert archive / Alaska / Small Craft Advisories in 2012

Small Craft Advisory 293, NWS Anchorage, AK

April 19, 2012

NWS Anchorage, AK issued this small craft advisory at Apr 19, 2012, 6:15 PM AKDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Apr 19, 2012, 6:15 PM AKDT (02:15 UTC)
Expired
Apr 20, 2012, 4:00 AM AKDT
In force
10 hr
Issued by
NWS Anchorage, AK

The text

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

782 
FZAK52 PAFC 200217 AAA
CWFALU

COASTAL WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
615 PM AKDT THU APR 19 2012

UPDATED ZONE 180

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.

PKZ199-201500-
400 PM AKDT THU APR 19 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

HIGH PRESSURE OVER THE WESTERN BERING SEA WILL MOVE TO THE EASTERN
BERING SEA SAT. A 991 MB LOW 500 NM SOUTHWEST OF ATTU FRI AFTERNOON
WILL MOVE TO 90 NM SOUTH IF AMCHITKA AT 986 MB SAT AFTERNOON. 

$$

PKZ150-201500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N WIND 25 KT. SEAS 8 FT. 
.FRI AND FRI NIGHT...NW WIND 20 KT. SEAS 6 FT. 
.SAT...NW WIND 20 KT. SEAS 6 FT. 
.SAT NIGHT...W WIND 15 KT. SEAS 4 FT. 
.SUN...SE WIND 30 KT. SEAS 11 FT. 
.MON...NE WIND 30 KT. SEAS 10 FT. 
.TUE...NW WIND 25 KT. SEAS 8 FT.  

$$

PKZ155-201500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT...

.TONIGHT...N WIND 30 KT. SEAS 10 FT. 
.FRI AND FRI NIGHT...NW WIND 25 KT. SEAS 8 FT. 
.SAT...W WIND 15 KT. SEAS 4 FT. 
.SAT NIGHT AND SUN...S WIND 30 KT. SEAS 11 FT. 
.MON...NW WIND 25 KT. SEAS 9 FT. 
.TUE...W WIND 20 KT. SEAS 7 FT.  

$$

PKZ160-201500-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...NW WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. 
.FRI...NW WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. 
.FRI NIGHT...W WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. FREEZING
SPRAY. 
.SAT...W WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT. 
.SAT NIGHT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
.SUN...E WIND 30 KT. SEAS IN ICE FREE WATERS 6 FT. 
.MON...NE WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. 
.TUE...W WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.  

$$

PKZ165-201500-
PORT HEIDEN TO CAPE SARICHEF
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING
SPRAY. 
.FRI...NW WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. FREEZING SPRAY. 
.FRI NIGHT...W WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT. FREEZING
SPRAY. 
.SAT...SW WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.SAT NIGHT AND SUN...SE WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.MON...NW WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 3 FT.  

$$

PKZ180-201500-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
615 PM AKDT THU APR 19 2012

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

.TONIGHT...NW WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. HEAVY
FREEZING SPRAY. 
.FRI...NW WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. HEAVY FREEZING
SPRAY. 
.FRI NIGHT...W WIND 15 KT BECOMING SW 10 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 2 FT. 
.SAT...S WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT. 
.SAT NIGHT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. 
.SUN...E WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.MON...NE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE...S WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.  

$$

PKZ170-201500-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...NW WIND 30 KT. SEAS 11 FT. 
.FRI...NW WIND 25 KT. SEAS 8 FT. 
.FRI NIGHT...W WIND 20 KT. SEAS 6 FT. 
.SAT...S WIND 30 KT. SEAS 11 FT. 
.SAT NIGHT...SE WIND 30 KT. SEAS 12 FT. 
.SUN...SW WIND 25 KT. SEAS 10 FT. 
.MON...W WIND 30 KT. SEAS 12 FT. 
.TUE...NE WIND 15 KT. SEAS 8 FT.  

$$

PKZ171-201500-
UNALASKA BAY
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW WIND 25 KT. SEAS 8 FT. 
.FRI...NW WIND 20 KT. SEAS 6 FT. 
.FRI NIGHT...W WIND 15 KT BECOMING SW 10 KT AFTER MIDNIGHT. SEAS
2 FT. 
.SAT...S WIND 20 KT. SEAS 3 FT. 
.SAT NIGHT...SE WIND 20 KT. SEAS 3 FT. 
.SUN...S WIND 20 KT. SEAS 3 FT. 
.MON...W WIND 20 KT. SEAS 3 FT. 
.TUE...E WIND 10 KT. SEAS 2 FT.  

$$

PKZ172-201500-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 PM AKDT THU APR 19 2012

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...NW WIND 25 KT. SEAS 8 FT. 
.FRI...W WIND 15 KT. SEAS 5 FT. 
.FRI NIGHT...SW WIND 25 KT BECOMING S 35 KT AFTER MIDNIGHT. SEAS
6 FT BUILDING TO 12 FT AFTER MIDNIGHT. 
.SAT...S WIND 35 KT. SEAS 14 FT. 
.SAT NIGHT...S WIND 30 KT. SEAS 11 FT. 
.SUN...W WIND 35 KT. SEAS 15 FT. 
.MON...NW WIND 30 KT. SEAS 13 FT. 
.TUE...S WIND 20 KT. SEAS 8 FT.  

$$

PKZ175-201500-
WESTERN ALEUTIANS ADAK TO KISKA
400 PM AKDT THU APR 19 2012

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...W WIND 15 KT. SEAS 5 FT. 
.FRI...S WIND 20 KT. SEAS 6 FT. 
.FRI NIGHT...S WIND 35 KT. SEAS 13 FT. RAIN AND SNOW. 
.SAT...S WIND 30 KT. SEAS 11 FT. 
.SAT NIGHT...SW WIND 30 KT. SEAS 11 FT. 
.SUN...NW WIND 40 KT. SEAS 18 FT. 
.MON...SW WIND 25 KT. SEAS 13 FT. 
.TUE...W WIND 20 KT. SEAS 7 FT.  

$$

PKZ176-201500-
WESTERN ALEUTIANS KISKA TO ATTU
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...VARIABLE WIND 10 KT. SEAS 4 FT. 
.FRI...SE WIND 20 KT. SEAS 6 FT. 
.FRI NIGHT...SE WIND 30 KT EXCEPT NE 30 KT FROM SHEMYA W. SEAS
11 FT. RAIN AND SNOW. 
.SAT...N WIND 40 KT. SEAS 15 FT. 
.SAT NIGHT...N WIND 45 KT. SEAS 19 FT. 
.SUN...NW WIND 40 KT. SEAS 17 FT. 
.MON...SW WIND 20 KT. SEAS 9 FT. 
.TUE...NW WIND 15 KT. SEAS 7 FT.  

$$

PKZ185-201500-
ST MATTHEW ISLAND WATERS
400 PM AKDT THU APR 19 2012

.TONIGHT...W WIND 15 KT. 
.FRI AND FRI NIGHT...VARIABLE WIND 10 KT. 
.SAT...E WIND 20 KT. 
.SAT NIGHT...E WIND 30 KT. 
.SUN...NE WIND 30 KT. 
.MON...NE WIND 20 KT. 
.TUE...S WIND 20 KT.  

$$

PKZ179-201500-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 PM AKDT THU APR 19 2012

.TONIGHT...NW WIND 20 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. PATCHY
FOG. 
.FRI AND FRI NIGHT...VARIABLE WIND 10 KT. PATCHY FOG. 
.SAT...S WIND 25 KT. 
.SAT NIGHT...SE WIND 30 KT. 
.SUN...E WIND 20 KT. 
.MON...NW WIND 20 KT. 
.TUE...S WIND 15 KT.  

$$
2 follow-up statements
435 
FZAK52 PAFC 200559 AAB
CWFALU

COASTAL WATERS FORECAST...UPDATED
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
1000 PM AKDT THU APR 19 2012

UPDATED ZONES 171 181

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.

PKZ199-201500-
400 PM AKDT THU APR 19 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

HIGH PRESSURE OVER THE WESTERN BERING SEA WILL MOVE TO THE EASTERN
BERING SEA SAT. A 991 MB LOW 500 NM SOUTHWEST OF ATTU FRI AFTERNOON
WILL MOVE TO 90 NM SOUTH IF AMCHITKA AT 986 MB SAT AFTERNOON. 

$$

PKZ150-201500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N WIND 25 KT. SEAS 8 FT. 
.FRI AND FRI NIGHT...NW WIND 20 KT. SEAS 6 FT. 
.SAT...NW WIND 20 KT. SEAS 6 FT. 
.SAT NIGHT...W WIND 15 KT. SEAS 4 FT. 
.SUN...SE WIND 30 KT. SEAS 11 FT. 
.MON...NE WIND 30 KT. SEAS 10 FT. 
.TUE...NW WIND 25 KT. SEAS 8 FT.  

$$

PKZ155-201500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
1000 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT...

.TONIGHT...N WIND 30 KT. STRONGER GUSTS 40 KT OUT OF BAYS AND 
PASSES. SEAS 10 FT. 
.FRI AND FRI NIGHT...NW WIND 25 KT. SEAS 8 FT. 
.SAT...W WIND 15 KT. SEAS 4 FT. 
.SAT NIGHT AND SUN...S WIND 30 KT. SEAS 11 FT. 
.MON...NW WIND 25 KT. SEAS 9 FT. 
.TUE...W WIND 20 KT. SEAS 7 FT.  

$$

PKZ160-201500-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...NW WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. 
.FRI...NW WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. 
.FRI NIGHT...W WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. FREEZING
SPRAY. 
.SAT...W WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT. 
.SAT NIGHT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
.SUN...E WIND 30 KT. SEAS IN ICE FREE WATERS 6 FT. 
.MON...NE WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. 
.TUE...W WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.  

$$

PKZ165-201500-
PORT HEIDEN TO CAPE SARICHEF
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING
SPRAY. 
.FRI...NW WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. FREEZING SPRAY. 
.FRI NIGHT...W WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT. FREEZING
SPRAY. 
.SAT...SW WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.
.SAT NIGHT AND SUN...SE WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.MON...NW WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS IN ICE FREE WATERS 3 FT.  

$$

PKZ180-201500-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
615 PM AKDT THU APR 19 2012

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

.TONIGHT...NW WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. HEAVY
FREEZING SPRAY. 
.FRI...NW WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. HEAVY FREEZING
SPRAY. 
.FRI NIGHT...W WIND 15 KT BECOMING SW 10 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 2 FT. 
.SAT...S WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT. 
.SAT NIGHT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. 
.SUN...E WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.MON...NE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE...S WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.  

$$

PKZ170-201500-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...NW WIND 30 KT. SEAS 11 FT. 
.FRI...NW WIND 25 KT. SEAS 8 FT. 
.FRI NIGHT...W WIND 20 KT. SEAS 6 FT. 
.SAT...S WIND 30 KT. SEAS 11 FT. 
.SAT NIGHT...SE WIND 30 KT. SEAS 12 FT. 
.SUN...SW WIND 25 KT. SEAS 10 FT. 
.MON...W WIND 30 KT. SEAS 12 FT. 
.TUE...NE WIND 15 KT. SEAS 8 FT.  

$$

PKZ171-201500-
UNALASKA BAY
1000 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW WIND 25 KT. STRONGER GUSTS 35 KT OUT OF BAYS AND
PASSES. SEAS 8 FT. 
.FRI...NW WIND 20 KT. SEAS 6 FT. 
.FRI NIGHT...W WIND 15 KT BECOMING SW 10 KT AFTER MIDNIGHT. SEAS
2 FT. 
.SAT...S WIND 20 KT. SEAS 3 FT. 
.SAT NIGHT...SE WIND 20 KT. SEAS 3 FT. 
.SUN...S WIND 20 KT. SEAS 3 FT. 
.MON...W WIND 20 KT. SEAS 3 FT. 
.TUE...E WIND 10 KT. SEAS 2 FT.  

$$

PKZ172-201500-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 PM AKDT THU APR 19 2012

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...NW WIND 25 KT. SEAS 8 FT. 
.FRI...W WIND 15 KT. SEAS 5 FT. 
.FRI NIGHT...SW WIND 25 KT BECOMING S 35 KT AFTER MIDNIGHT. SEAS
6 FT BUILDING TO 12 FT AFTER MIDNIGHT. 
.SAT...S WIND 35 KT. SEAS 14 FT. 
.SAT NIGHT...S WIND 30 KT. SEAS 11 FT. 
.SUN...W WIND 35 KT. SEAS 15 FT. 
.MON...NW WIND 30 KT. SEAS 13 FT. 
.TUE...S WIND 20 KT. SEAS 8 FT.  

$$

PKZ175-201500-
WESTERN ALEUTIANS ADAK TO KISKA
400 PM AKDT THU APR 19 2012

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...W WIND 15 KT. SEAS 5 FT. 
.FRI...S WIND 20 KT. SEAS 6 FT. 
.FRI NIGHT...S WIND 35 KT. SEAS 13 FT. RAIN AND SNOW. 
.SAT...S WIND 30 KT. SEAS 11 FT. 
.SAT NIGHT...SW WIND 30 KT. SEAS 11 FT. 
.SUN...NW WIND 40 KT. SEAS 18 FT. 
.MON...SW WIND 25 KT. SEAS 13 FT. 
.TUE...W WIND 20 KT. SEAS 7 FT.  

$$

PKZ176-201500-
WESTERN ALEUTIANS KISKA TO ATTU
400 PM AKDT THU APR 19 2012

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...VARIABLE WIND 10 KT. SEAS 4 FT. 
.FRI...SE WIND 20 KT. SEAS 6 FT. 
.FRI NIGHT...SE WIND 30 KT EXCEPT NE 30 KT FROM SHEMYA W. SEAS
11 FT. RAIN AND SNOW. 
.SAT...N WIND 40 KT. SEAS 15 FT. 
.SAT NIGHT...N WIND 45 KT. SEAS 19 FT. 
.SUN...NW WIND 40 KT. SEAS 17 FT. 
.MON...SW WIND 20 KT. SEAS 9 FT. 
.TUE...NW WIND 15 KT. SEAS 7 FT.  

$$

PKZ185-201500-
ST MATTHEW ISLAND WATERS
400 PM AKDT THU APR 19 2012

.TONIGHT...W WIND 15 KT. 
.FRI AND FRI NIGHT...VARIABLE WIND 10 KT. 
.SAT...E WIND 20 KT. 
.SAT NIGHT...E WIND 30 KT. 
.SUN...NE WIND 30 KT. 
.MON...NE WIND 20 KT. 
.TUE...S WIND 20 KT.  

$$

PKZ179-201500-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 PM AKDT THU APR 19 2012

.TONIGHT...NW WIND 20 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. PATCHY
FOG. 
.FRI AND FRI NIGHT...VARIABLE WIND 10 KT. PATCHY FOG. 
.SAT...S WIND 25 KT. 
.SAT NIGHT...SE WIND 30 KT. 
.SUN...E WIND 20 KT. 
.MON...NW WIND 20 KT. 
.TUE...S WIND 15 KT.  

$$
249 
FZAK52 PAFC 201141
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKDT FRI APR 20 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.

PKZ199-210300-
400 AM AKDT FRI APR 20 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
HIGH PRESSURE OVER THE BERING SEA WILL MOVE TO THE ALASKA PENINSULA
BY SAT AND THEN WEAKEN. A 998 MB LOW WILL FORM FRI NIGHT 75 NM SOUTH
OF SHEMYA AND INTENSIFY TO 985 MB SAT NIGHT AS IT DRIFTS TO 40 NM
NORTH OF ADAK.
$$

PKZ150-210300-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 AM AKDT FRI APR 20 2012

.TODAY...NW WIND 20 KT. SEAS 6 FT. 
.TONIGHT...NW WIND 20 KT. SEAS 6 FT. 
.SAT...NW WIND 20 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 15 KT. SEAS 4 FT. 
.SUN...SE WIND 30 KT. SEAS 9 FT. 
.MON...E WIND 30 KT. SEAS 11 FT. 
.TUE...N WIND 30 KT. SEAS 13 FT.  

$$

PKZ155-210300-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 AM AKDT FRI APR 20 2012

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW WIND 25 KT. SEAS 7 FT. 
.TONIGHT...NW WIND 25 KT. SEAS 6 FT. 
.SAT...NW WIND 15 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 30 KT. SEAS 6 FT. 
.SUN...S WIND 30 KT. SEAS 10 FT. 
.MON...E WIND 25 KT. SEAS 12 FT. 
.TUE...N WIND 30 KT. SEAS 11 FT.  

$$

PKZ160-210300-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 AM AKDT FRI APR 20 2012

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NW WIND 25 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FOG. 
.TONIGHT...W WIND 20 KT. SEAS IN ICE FREE WATERS 3 FT. FREEZING
SPRAY. 
.SAT...W WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT. 
.SAT NIGHT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT. 
.SUN...E WIND 30 KT. SEAS IN ICE FREE WATERS 5 FT. 
.MON...E WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE...N WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.  

$$

PKZ165-210300-
PORT HEIDEN TO CAPE SARICHEF
400 AM AKDT FRI APR 20 2012

.TODAY...NW WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.  PATCHY
FOG. FREEZING SPRAY. 
.TONIGHT...W WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT. FREEZING
SPRAY. 
.SAT...S WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT. 
.SAT NIGHT...SE WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.SUN...SE WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT. 
.MON...NE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE...NE WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT.  

$$

PKZ180-210300-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 AM AKDT FRI APR 20 2012

...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...NW WIND 20 KT. SEAS IN ICE FREE WATERS 3 FT. HEAVY FREEZING
SPRAY. 
.TONIGHT...W WIND 15 KT BECOMING SW 10 KT AFTER MIDNIGHT. SEAS IN
ICE FREE WATERS 2 FT. 
.SAT...S WIND 10 KT INCREASING TO 15 KT IN THE AFTERNOON. SEAS IN
ICE FREE WATERS 2 FT. 
.SAT NIGHT...SE WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. 
.SUN...E WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. 
.MON...NE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. 
.TUE...S WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.  

$$

PKZ170-210300-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 AM AKDT FRI APR 20 2012

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

.TODAY...NW WIND 25 KT. SEAS 6 FT. PATCHY FOG. 
.TONIGHT...W WIND 20 KT. SEAS 4 FT. 
.SAT...S WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 7 FT.
.SAT NIGHT...SE WIND 30 KT. SEAS 9 FT. 
.SUN...SW WIND 25 KT. SEAS 11 FT. 
.MON...N WIND 25 KT. SEAS 14 FT. 
.TUE...NE WIND 20 KT. SEAS 7 FT.  

$$

PKZ171-210300-
UNALASKA BAY
400 AM AKDT FRI APR 20 2012

.TODAY...NW WIND 20 KT. SEAS 6 FT. 
.TONIGHT...W WIND 15 KT BECOMING SW 10 KT AFTER MIDNIGHT. SEAS 2 FT.
.SAT...S WIND 10 KT INCREASING TO 20 KT IN THE AFTERNOON. SEAS 3 FT.
.SAT NIGHT...SE WIND 20 KT. SEAS 3 FT. 
.SUN...S WIND 20 KT. SEAS 3 FT. 
.MON...N WIND 15 KT. SEAS 5 FT. 
.TUE...NE WIND 10 KT. SEAS 3 FT.  

$$

PKZ172-210300-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 AM AKDT FRI APR 20 2012

...GALE WARNING TONIGHT AND SATURDAY...

.TODAY...W WIND 15 KT. SEAS 5 FT. 
.TONIGHT...SW WIND 25 KT BECOMING S 35 KT AFTER MIDNIGHT. SEAS 4 FT
BUILDING TO 8 FT AFTER MIDNIGHT. 
.SAT...S WIND 35 KT. SEAS 10 FT. 
.SAT NIGHT...S WIND 30 KT. SEAS 11 FT. 
.SUN...W WIND 35 KT. SEAS 15 FT. 
.MON...NW WIND 35 KT. SEAS 16 FT. 
.TUE...SW WIND 20 KT. SEAS 8 FT.  

$$

PKZ175-210300-
WESTERN ALEUTIANS ADAK TO KISKA
400 AM AKDT FRI APR 20 2012

...GALE WARNING TONIGHT...

.TODAY...S WIND 20 KT. SEAS 4 FT. 
.TONIGHT...S WIND 35 KT. SEAS 10 FT. RAIN.
.SAT...S WIND 30 KT. SEAS 11 FT. 
.SAT NIGHT...SW WIND 30 KT. SEAS 11 FT. 
.SUN...NW WIND 40 KT. SEAS 18 FT. 
.MON...W WIND 30 KT. SEAS 16 FT. 
.TUE...SW WIND 20 KT. SEAS 5 FT.  

$$

PKZ176-210300-
WESTERN ALEUTIANS KISKA TO ATTU
400 AM AKDT FRI APR 20 2012

...GALE WARNING SATURDAY...

.TODAY...SE WIND 20 KT. SEAS 4 FT. 
.TONIGHT...SE WIND 30 KT EXCEPT NE 30 KT FROM SHEMYA W. SEAS 10 FT.
RAIN AND SNOW. 
.SAT...SW WIND 20 KT BECOMING NW 35 KT IN THE AFTERNOON. FROM SHEMYA
W...N WIND 40 KT. SEAS 12 FT. 
.SAT NIGHT...N WIND 45 KT. SEAS 16 FT. 
.SUN...NW WIND 40 KT. SEAS 17 FT. 
.MON...SW WIND 20 KT. SEAS 10 FT. 
.TUE...NW WIND 25 KT. SEAS 9 FT.  

$$

PKZ185-210300-
ST MATTHEW ISLAND WATERS
400 AM AKDT FRI APR 20 2012

.TODAY...VARIABLE WIND 10 KT. 
.TONIGHT...VARIABLE WIND 10 KT. 
.SAT...E WIND 20 KT. 
.SAT NIGHT...E WIND 30 KT. 
.SUN...NE WIND 30 KT. 
.MON...NE WIND 15 KT. 
.TUE...SE WIND 20 KT.  

$$

PKZ179-210300-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 AM AKDT FRI APR 20 2012

...BRISK WIND ADVISORY SATURDAY...

.TODAY...W WIND 10 KT. PATCHY FOG. 
.TONIGHT...W WIND 10 KT INCREASING TO S 20 KT BY MORNING. 
.SAT...SE WIND 25 KT. 
.SAT NIGHT...SE WIND 30 KT. 
.SUN...E WIND 20 KT. 
.MON...N WIND 15 KT. 
.TUE...S WIND 15 KT.  

$$

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 Apr 19, 4:00 PM AKDT, 2 hours 15 minutes earlier.

Area forecast discussion, Apr 19, 4:00 PM AKDT, 2 hours 15 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKDT THU APR 19 2012

.ANALYSIS AND UPPER LEVELS...UPPER LEVEL RIDGING IS OVER MOST OF THE
STATE TODAY WITH A STRONG RIDGE OVER THE WESTERN BERING SEA AND A
WEAKER RIDGE PUSHING INTO THE INTERIOR OF THE STATE FROM CANADA. A
CLOSED UPPER LEVEL LOW LIE WELL SOUTH OF KODIAK ISLAND WITH A TROUGH
EXTENDING NORTHEAST INTO THE GULF OF ALASKA. THE 250 MB JET STREAM IS
ALSO WELL SOUTH OF THE AREA AS IT MOVES THROUGH THE RIDGE AND THEN
AROUND THE SOUTHERN PART OF THE LOW. THIS JET STREAM WILL BE
AMPLIFYING OVER THE NEXT DAY AS THE UPPER LOW PUSHES TOWARD THE GULF
AND THE RIDGE MOVES EASTWARD.
AT THE SURFACE THE LOW JUST SOUTHEAST OF THE GULF OF ALASKA HAS
DEEPENED TO ITS MAXIMUM STRENGTH THIS AFTERNOON AND WILL WEAKEN AS IT
MOVES NORTHWARD ALONG THE SOUTHEAST ALASKA COAST.
A WEAK LOW REMAINS VERTICALLY STACKED UNDER THE UPPER LEVEL LOW AND
IS WEAKENING.
FARTHER WEST A LARGE HIGH IS OVER THE ENTIRE BERING SEA BUT THERE IS
A STRENGTHENING LOW SOUTHWEST OF ATTU THAT WILL MOVE INTO THE BERING
SEA THIS WEEKEND.

.MODEL DISCUSSION...MODELS ARE DOING WELL OVERALL. THE LOW IN THE
SOUTHEAST GULF WILL BECOME A COMPLEX LOW BY FRIDAY AFTERNOON AND
THERE IS GOOD MODEL AGREEMENT AS TO HOW IT WILL PROGRESS.
MODELS ARE DOING WELL WITH THE LARGE LOW MOVING INTO THE BERING SEA
THIS WEEKEND. THE BIGGEST ISSUE COMES ON SATURDAY AS THE GFS IS MUCH
FASTER MOVING THIS LOW TO THE NORTHEAST THAN THE NAM OR ECMWF. THIS
IS ALSO A BIT OF A CHANGE FROM PREVIOUS GFS SOLUTIONS SO THE GFS WAS
NOT USED AT ALL FOR THE WEEKEND AND BEYOND.

.SHORT TERM FORECAST...A SUBTLE SIGN OF THE PROGRESSION INTO SPRING
CAN BE SEEN IN CUMULUS CLOUDS DEVELOPING OVER THE MOUNTAINS AROUND
THE COPPER RIVER BASIN THIS AFTERNOON. SOUTH CENTRAL ALASKA REMAINS
PARTLY CLOUDY AND THAT SHOULD CONTINUE THROUGH TOMORROW BEFORE CLOUDS
INCREASE SATURDAY WITH INCREASING MOISTURE FROM THE GULF.
SOUTHWEST ALASKA SHOULD REMAIN DRY WITH NORTHERLY FLOW WITH THE
BERING SEA RIDGE BUILDING INTO THE AREA.
THE NORTHERLY FLOW IN THE EASTERN BERING SEA WILL CONTINUE TO BRING
MARINE STATUS AS WELL AS SNOW...MIXED WITH SOME RAIN AT TIMES...TO
THE ALASKA PENINSULA. THE SEA ICE IS STILL VERY FAR SOUTH AND THE
COLD AIR OFF THE ICE PACK WILL CONTINUE TO KEEP THINGS COLD AND WET
IN THIS AREA.
THE CENTRAL AND WESTERN ALEUTIANS WILL SEE STRATUS BUT TEMPERATURES
WILL BE MAINLY ABOVE FREEZING AS THE ICE PACK IS FAR ENOUGH NORTH OF
THAT AREA THE ALLOW THE AIR TO WARM UP OVER THE OPEN WATER.

.LONG TERM FORECAST...THE LARGE LOW WILL MOVE INTO THE SOUTHWEST
BERING SEA THIS WEEKEND AND THEN SKIM THE ALEUTIAN ISLANDS AS IT
MOVES EASTWARD EARLY NEXT WEEK. THIS WILL BRING SOME WARMER AIR TO
THE ALEUTIANS AND THE ALASKA PENINSULA. THERE WILL BE CLEARING IN
SOUTHWEST ALASKA EARLY IN THE WEEKEND AS THE RIDGE MOVES OVER THE
AREA. SOUTH CENTRAL ALASKA SHOULD KEEP PARTLY TO MOSTLY CLOUDY SKIES
WITH A FEW AFTERNOON AND EVENING SHOWERS POPPING UP OVER THE
MOUNTAINS.

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

APR 12

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 4:00 PM AKDTGale WarningAFC4 days
Apr 19, 4:00 PM AKDTSmall Craft AdvisoryAFC69 hr
Apr 19, 4:00 PM AKDTSmall Craft AdvisoryAFC48 hr
Apr 20, 4:00 AM AKDTBrisk Wind AdvisoryAFC60 hr
Apr 20, 4:00 AM AKDTGale WarningAFC3 days
Apr 20, 4:00 AM AKDTGale WarningAFC3 days

Nearby

Small Craft Advisories in Alaska, 2012Every 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.