Alert archive / Alaska / Small Craft Advisories in 2012

Small Craft Advisory 371, NWS Anchorage, AK

May 20, 2012

NWS Anchorage, AK issued this small craft advisory at May 20, 2012, 4:00 AM AKDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
May 20, 2012, 4:00 AM AKDT (12:00 UTC)
Expired
May 21, 2012, 4:00 AM AKDT
In force
24 hr
Issued by
NWS Anchorage, AK

The text

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

166 
FZAK52 PAFC 201151
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKDT SUN MAY 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 SUN MAY 20 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 987 MB LOW 400 NM SOUTH OF SAND POINT WILL MOVE SOUTHEAST INTO THE
NORTH PACIFIC SUN. HIGH PRESSURE OVER THE NORTHWEST BERING SEA WILL
DRIFT SOUTH INTO THE WESTERN ALEUTIANS MON.

$$

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

.TODAY...E WIND 20 KT. SEAS 7 FT. 
.TONIGHT...NE WIND 20 KT. SEAS 7 FT. 
.MON AND MON NIGHT...N WIND 20 KT. SEAS 6 FT. 
.TUE...NW WIND 15 KT. SEAS 6 FT. 
.WED...NW WIND 15 KT. SEAS 5 FT. 
.THU...SW WIND 15 KT. SEAS 5 FT.  

$$

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

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E WIND 30 KT. SEAS 11 FT. RAIN.
.TONIGHT...NE WIND 25 KT. SEAS 9 FT. 
.MON...N WIND 15 KT. SEAS 7 FT. 
.MON NIGHT...NW WIND 15 KT. SEAS 5 FT. 
.TUE...NW WIND 15 KT. SEAS 5 FT. 
.WED...W WIND 15 KT. SEAS 5 FT. 
.THU...SE WIND 15 KT. SEAS 7 FT.  

$$

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

.TODAY...NE WIND 10 KT. SEAS 2 FT.
.TONIGHT...N WIND 10 KT. SEAS 2 FT. 
.MON...N WIND 10 KT. SEAS 2 FT. 
.MON NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.TUE...W WIND 15 KT. SEAS 4 FT. 
.WED...W WIND 15 KT. SEAS 3 FT. 
.THU...W WIND 10 KT. SEAS 2 FT.  

$$

PKZ165-210300-
PORT HEIDEN TO CAPE SARICHEF
400 AM AKDT SUN MAY 20 2012

.TODAY...NE WIND 20 KT. SEAS 4 FT. 
.TONIGHT...NE WIND 15 KT. SEAS 3 FT. 
.MON...N WIND 10 KT. SEAS 2 FT. 
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. 
.TUE...NW WIND 15 KT. SEAS 3 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 3 FT. 
.THU...E WIND 15 KT. SEAS 4 FT.  

$$

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

.TODAY...N WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. 
.TONIGHT...NW WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. 
.MON...N WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. 
.MON NIGHT...NW WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT. 
.TUE...NW WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT. 
.WED...W WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. 
.THU...N WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT.  

$$

PKZ170-210300-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 AM AKDT SUN MAY 20 2012

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NE WIND 30 KT. SEAS 5 FT BERING SIDE...12 FT PACIFIC SIDE.
RAIN.
.TONIGHT...NE WIND 25 KT. SEAS 10 FT. 
.MON...NE WIND 20 KT. SEAS 7 FT. 
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. 
.TUE...W WIND 15 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 5 FT. 
.THU...E WIND 20 KT. SEAS 8 FT.  

$$

PKZ171-210300-
UNALASKA BAY
400 AM AKDT SUN MAY 20 2012

.TODAY...NE WIND 20 KT. GUSTS TO 30 KT. SEAS 5 FT. RAIN.
.TONIGHT...NE WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. GUSTS
TO 25 KT IN THE EVENING. SEAS 3 FT. 
.MON...VARIABLE WIND LESS THAN 10 KT BECOMING N 10 KT IN THE
AFTERNOON. SEAS 2 FT. 
.MON NIGHT...NW WIND 10 KT. SEAS 2 FT. 
.TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 
.WED...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 
.THU...E WIND 15 KT. SEAS 2 FT.  

$$

PKZ172-210300-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 AM AKDT SUN MAY 20 2012

.TODAY...N WIND 20 KT. SEAS 6 FT. PATCHY FOG. 
.TONIGHT...N WIND 20 KT. SEAS 7 FT. 
.MON...N WIND 15 KT. SEAS 7 FT. 
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. 
.TUE...W WIND 15 KT. SEAS 4 FT. 
.WED...S WIND 15 KT. SEAS 4 FT. 
.THU...E WIND 20 KT. SEAS 8 FT.  

$$

PKZ175-210300-
WESTERN ALEUTIANS ADAK TO KISKA
400 AM AKDT SUN MAY 20 2012

.TODAY...NE WIND 15 KT. SEAS 5 FT. PATCHY FOG. 
.TONIGHT...NE WIND 15 KT. SEAS 4 FT. 
.MON...N WIND 15 KT. SEAS 4 FT. 
.MON NIGHT...NW WIND 15 KT. SEAS 4 FT. 
.TUE...W WIND 15 KT. SEAS 5 FT. 
.WED...SW WIND 15 KT. SEAS 4 FT. 
.THU...NE WIND 15 KT. SEAS 5 FT.  

$$

PKZ176-210300-
WESTERN ALEUTIANS KISKA TO ATTU
400 AM AKDT SUN MAY 20 2012

.TODAY...NE WIND 15 KT. SEAS 4 FT. 
.TONIGHT...NE WIND 15 KT. SEAS 4 FT. 
.MON...W WIND 10 KT. SEAS 4 FT. 
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 4 FT. 
.TUE...W WIND 15 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 4 FT. 
.THU...N WIND 15 KT. SEAS 4 FT.  

$$

PKZ185-210300-
ST MATTHEW ISLAND WATERS
400 AM AKDT SUN MAY 20 2012

.TODAY...NW WIND 15 KT. 
.TONIGHT...W WIND 15 KT. 
.MON THROUGH THU...VARIABLE WIND 10 KT.

$$

PKZ179-210300-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 AM AKDT SUN MAY 20 2012

.TODAY...N WIND 15 KT. SEAS 4 FT. 
.TONIGHT...N WIND 10 KT. SEAS 2 FT. 
.MON...NW WIND 10 KT. SEAS 2 FT. 
.MON NIGHT THROUGH WED...VARIABLE WIND 10 KT. SEAS 2 FT. 
.THU...E WIND 15 KT. SEAS 4 FT.  

$$
3 follow-up statements
587 
FZAK52 PAFC 202326
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 PM AKDT SUN MAY 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.

PKZ199-211500-
400 PM AKDT SUN MAY 20 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 989 MB LOW 450 MB SOUTH OF CHIGNIK WILL DISSIPATE MON MORNING. HIGH
PRESSURE OVER THE WESTERN BERING WILL MOVE SOUTH THROUGH THE WESTERN
ALEUTIANS MON AND INTO THE NORTH PACIFIC TUE. A 1008 MB LOW
DEVELOPING NEAR SAINT LAWRENCE ISLAND SUN NIGHT WILL DISSIPATE 200 NM
SOUTH OF SAINT MATTHEW ISLAND MON NIGHT.

$$

PKZ150-211500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 20 KT. SEAS 7 FT. 
.MON AND MON NIGHT...N WIND 20 KT. SEAS 6 FT. 
.TUE...N WIND 15 KT. SEAS 6 FT. 
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS 6 FT. 
.WED...NW WIND 15 KT. SEAS 5 FT. 
.THU...SW WIND 15 KT. SEAS 5 FT. 
.FRI...SE WIND 20 KT. SEAS 8 FT.  

$$

PKZ155-211500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 PM AKDT SUN MAY 20 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE WIND 25 KT. SEAS 8 FT. 
.MON...NE WIND 15 KT. SEAS 7 FT. 
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. 
.TUE...NW WIND 15 KT. SEAS 5 FT. 
.TUE NIGHT THROUGH WED...W WIND 15 KT. SEAS 5 FT. 
.THU...SE WIND 15 KT. SEAS 6 FT. 
.FRI...S WIND 20 KT. SEAS 8 FT.  

$$

PKZ160-211500-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 PM AKDT SUN MAY 20 2012

.TONIGHT...N WIND 10 KT. SEAS 2 FT. 
.MON AND MON NIGHT...NW WIND 10 KT. SEAS 2 FT. 
.TUE...W WIND 10 KT. SEAS 2 FT. 
.TUE NIGHT THROUGH WED...W WIND 15 KT. SEAS 3 FT. 
.THU...W WIND 10 KT. SEAS 2 FT. 
.FRI...E WIND 15 KT. SEAS 3 FT.  

$$

PKZ165-211500-
PORT HEIDEN TO CAPE SARICHEF
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 15 KT. SEAS 3 FT. 
.MON THROUGH WED...VARIABLE WIND 10 KT. SEAS 2 FT. 
.THU...E WIND 15 KT. SEAS 3 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 3 FT.  

$$

PKZ180-211500-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NW WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT. 
.MON...N WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT. 
.MON NIGHT...NW WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT. 
.TUE THROUGH THU...NW WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. 
.FRI...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.  

$$

PKZ170-211500-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 PM AKDT SUN MAY 20 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE WIND 25 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. 
SEAS 10 FT. 
.MON...NE WIND 15 KT. SEAS 7 FT. 
.MON NIGHT THROUGH TUE...VARIABLE WIND 10 KT. SEAS 4 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 4 FT. 
.THU...E WIND 20 KT. SEAS 7 FT. 
.FRI...S WIND 15 KT. SEAS 7 FT.  

$$

PKZ171-211500-
UNALASKA BAY
400 PM AKDT SUN MAY 20 2012

.TONIGHT...N WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. SEAS
2 FT. 
.MON THROUGH WED...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FOOT. 
.THU...E WIND 15 KT. SEAS 2 FT. 
.FRI...SW WIND 10 KT. SEAS 1 FOOT.  

$$

PKZ172-211500-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 PM AKDT SUN MAY 20 2012

.TONIGHT...N WIND 20 KT. SEAS 7 FT. PATCHY FOG. 
.MON...N WIND 15 KT. SEAS 6 FT. PATCHY FOG. 
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. PATCHY FOG. 
.TUE...VARIABLE WIND 10 KT. SEAS 5 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 4 FT. 
.WED...S WIND 15 KT. SEAS 4 FT. 
.THU...E WIND 20 KT. SEAS 7 FT. 
.FRI...NW WIND 20 KT. SEAS 6 FT.  

$$

PKZ175-211500-
WESTERN ALEUTIANS ADAK TO KISKA
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 20 KT. SEAS 4 FT. PATCHY FOG. 
.MON...N WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.MON NIGHT...NW WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.TUE...NW WIND 15 KT. SEAS 4 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 5 FT. 
.WED...SW WIND 15 KT. SEAS 4 FT. 
.THU...NE WIND 15 KT. SEAS 4 FT. 
.FRI...NW WIND 20 KT. SEAS 6 FT.  

$$

PKZ176-211500-
WESTERN ALEUTIANS KISKA TO ATTU
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.MON...VARIABLE WIND 10 KT. SEAS 4 FT. PATCHY FOG. 
.MON NIGHT...W WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.TUE AND TUE NIGHT...W WIND 15 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 4 FT. 
.THU THROUGH FRI...N WIND 15 KT. SEAS 5 FT.  

$$

PKZ185-211500-
ST MATTHEW ISLAND WATERS
400 PM AKDT SUN MAY 20 2012

.TONIGHT...W WIND 15 KT. 
.MON THROUGH THU...VARIABLE WIND 10 KT. 
.FRI...N WIND 15 KT.  

$$

PKZ179-211500-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 15 KT. SEAS 2 FT. PATCHY FOG. 
.MON...N WIND 10 KT. SEAS 2 FT. 
.MON NIGHT THROUGH WED...VARIABLE WIND 10 KT. SEAS 2 FT. 
.THU...E WIND 15 KT. SEAS 3 FT. 
.FRI...NE WIND 15 KT. SEAS 3 FT.  

$$
143 
FZAK52 PAFC 210033 CCA
CWFALU

COASTAL WATERS FORECAST...CORRECTED
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
432 PM AKDT SUN MAY 20 2012

CORRECTED TYPO IN SYNOPSIS

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.

PKZ199-211500-
400 PM AKDT SUN MAY 20 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 989 MB LOW 450 NM SOUTH OF CHIGNIK WILL DISSIPATE MON MORNING. HIGH
PRESSURE OVER THE WESTERN BERING WILL MOVE SOUTH THROUGH THE WESTERN
ALEUTIANS MON AND INTO THE NORTH PACIFIC TUE. A 1008 MB LOW
DEVELOPING NEAR SAINT LAWRENCE ISLAND SUN NIGHT WILL DISSIPATE 200 NM
SOUTH OF SAINT MATTHEW ISLAND MON NIGHT.

$$

PKZ150-211500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 20 KT. SEAS 7 FT. 
.MON AND MON NIGHT...N WIND 20 KT. SEAS 6 FT. 
.TUE...N WIND 15 KT. SEAS 6 FT. 
.TUE NIGHT...VARIABLE WIND 10 KT. SEAS 6 FT. 
.WED...NW WIND 15 KT. SEAS 5 FT. 
.THU...SW WIND 15 KT. SEAS 5 FT. 
.FRI...SE WIND 20 KT. SEAS 8 FT.  

$$

PKZ155-211500-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 PM AKDT SUN MAY 20 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE WIND 25 KT. SEAS 8 FT. 
.MON...NE WIND 15 KT. SEAS 7 FT. 
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. 
.TUE...NW WIND 15 KT. SEAS 5 FT. 
.TUE NIGHT THROUGH WED...W WIND 15 KT. SEAS 5 FT. 
.THU...SE WIND 15 KT. SEAS 6 FT. 
.FRI...S WIND 20 KT. SEAS 8 FT.  

$$

PKZ160-211500-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 PM AKDT SUN MAY 20 2012

.TONIGHT...N WIND 10 KT. SEAS 2 FT. 
.MON AND MON NIGHT...NW WIND 10 KT. SEAS 2 FT. 
.TUE...W WIND 10 KT. SEAS 2 FT. 
.TUE NIGHT THROUGH WED...W WIND 15 KT. SEAS 3 FT. 
.THU...W WIND 10 KT. SEAS 2 FT. 
.FRI...E WIND 15 KT. SEAS 3 FT.  

$$

PKZ165-211500-
PORT HEIDEN TO CAPE SARICHEF
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 15 KT. SEAS 3 FT. 
.MON THROUGH WED...VARIABLE WIND 10 KT. SEAS 2 FT. 
.THU...E WIND 15 KT. SEAS 3 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 3 FT.  

$$

PKZ180-211500-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NW WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT. 
.MON...N WIND 10 KT. SEAS IN ICE FREE WATERS 1 FOOT. 
.MON NIGHT...NW WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT. 
.TUE THROUGH THU...NW WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. 
.FRI...NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.  

$$

PKZ170-211500-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 PM AKDT SUN MAY 20 2012

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE WIND 25 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. 
SEAS 10 FT. 
.MON...NE WIND 15 KT. SEAS 7 FT. 
.MON NIGHT THROUGH TUE...VARIABLE WIND 10 KT. SEAS 4 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 4 FT. 
.THU...E WIND 20 KT. SEAS 7 FT. 
.FRI...S WIND 15 KT. SEAS 7 FT.  

$$

PKZ171-211500-
UNALASKA BAY
400 PM AKDT SUN MAY 20 2012

.TONIGHT...N WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. SEAS
2 FT. 
.MON THROUGH WED...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FOOT. 
.THU...E WIND 15 KT. SEAS 2 FT. 
.FRI...SW WIND 10 KT. SEAS 1 FOOT.  

$$

PKZ172-211500-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 PM AKDT SUN MAY 20 2012

.TONIGHT...N WIND 20 KT. SEAS 7 FT. PATCHY FOG. 
.MON...N WIND 15 KT. SEAS 6 FT. PATCHY FOG. 
.MON NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. PATCHY FOG. 
.TUE...VARIABLE WIND 10 KT. SEAS 5 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 4 FT. 
.WED...S WIND 15 KT. SEAS 4 FT. 
.THU...E WIND 20 KT. SEAS 7 FT. 
.FRI...NW WIND 20 KT. SEAS 6 FT.  

$$

PKZ175-211500-
WESTERN ALEUTIANS ADAK TO KISKA
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 20 KT. SEAS 4 FT. PATCHY FOG. 
.MON...N WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.MON NIGHT...NW WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.TUE...NW WIND 15 KT. SEAS 4 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 5 FT. 
.WED...SW WIND 15 KT. SEAS 4 FT. 
.THU...NE WIND 15 KT. SEAS 4 FT. 
.FRI...NW WIND 20 KT. SEAS 6 FT.  

$$

PKZ176-211500-
WESTERN ALEUTIANS KISKA TO ATTU
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.MON...VARIABLE WIND 10 KT. SEAS 4 FT. PATCHY FOG. 
.MON NIGHT...W WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.TUE AND TUE NIGHT...W WIND 15 KT. SEAS 5 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 4 FT. 
.THU THROUGH FRI...N WIND 15 KT. SEAS 5 FT.  

$$

PKZ185-211500-
ST MATTHEW ISLAND WATERS
400 PM AKDT SUN MAY 20 2012

.TONIGHT...W WIND 15 KT. 
.MON THROUGH THU...VARIABLE WIND 10 KT. 
.FRI...N WIND 15 KT.  

$$

PKZ179-211500-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 PM AKDT SUN MAY 20 2012

.TONIGHT...NE WIND 15 KT. SEAS 2 FT. PATCHY FOG. 
.MON...N WIND 10 KT. SEAS 2 FT. 
.MON NIGHT THROUGH WED...VARIABLE WIND 10 KT. SEAS 2 FT. 
.THU...E WIND 15 KT. SEAS 3 FT. 
.FRI...NE WIND 15 KT. SEAS 3 FT.  

$$
119 
FZAK52 PAFC 211148
CWFALU

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKDT MON MAY 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 AKDT MON MAY 21 2012
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

HIGH PRESSURE OVER THE WESTERN BERING WILL MOVE SOUTH THROUGH THE
WESTERN ALEUTIANS MON AND INTO THE NORTH PACIFIC TUE. A 1006 MB LOW
DEVELOPING 200 NM NORTHWEST OF ST PAUL MON MORNING WILL STRENGTHEN TO
1005 MB MON NIGHT AND DISSIPATE 140 NM SOUTHWEST OF SAINT PAUL MON
NIGHT AND DISSIPATE TUE.

$$

PKZ150-220300-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA SITKINAK TO CASTLE
CAPE
400 AM AKDT MON MAY 21 2012

.TODAY...N WIND 20 KT. SEAS 6 FT. 
.TONIGHT...NW WIND 15 KT. SEAS 6 FT. 
.TUE...N WIND 10 KT. SEAS 5 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 5 FT. 
.WED...W WIND 15 KT. SEAS 6 FT. 
.THU...S WIND 20 KT. SEAS 5 FT. 
.FRI...SE WIND 20 KT. SEAS 8 FT.  

$$

PKZ155-220300-
COASTAL WATERS SOUTH OF THE ALASKA PENINSULA CASTLE CAPE TO CAPE
SARICHEF
400 AM AKDT MON MAY 21 2012

.TODAY...N WIND 15 KT. SEAS 6 FT. 
.TONIGHT...N WIND 10 KT. SEAS 5 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS 4 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 5 FT. 
.WED...SW WIND 15 KT. SEAS 6 FT. 
.THU...E WIND 20 KT. SEAS 7 FT. 
.FRI...W WIND 20 KT. SEAS 8 FT.  

$$

PKZ160-220300-
BRISTOL BAY WATERS CAPE NEWENHAM TO PORT HEIDEN
400 AM AKDT MON MAY 21 2012

.TODAY...N WIND 10 KT. SEAS 2 FT. 
.TONIGHT...NW WIND 10 KT. SEAS 2 FT. 
.TUE...W WIND 10 KT. SEAS 2 FT. 
.TUE NIGHT...W WIND 15 KT. SEAS 2 FT. 
.WED...W WIND 15 KT. SEAS 3 FT. 
.THU...N WIND 15 KT. SEAS 4 FT. 
.FRI...NE WIND 15 KT. SEAS 4 FT.  

$$

PKZ165-220300-
PORT HEIDEN TO CAPE SARICHEF
400 AM AKDT MON MAY 21 2012

.TODAY...N WIND 10 KT. SEAS 2 FT. 
.TONIGHT...N WIND 10 KT. SEAS 2 FT. 
.TUE...NE WIND 10 KT. SEAS 2 FT. 
.TUE NIGHT AND WED...VARIABLE WIND 10 KT. SEAS 2 FT.
.THU...E WIND 20 KT. SEAS 4 FT. 
.FRI...N WIND 20 KT. SEAS 5 FT.  

$$

PKZ180-220300-
SOUTHWEST ALASKA WATERS CAPE NEWENHAM TO DALL POINT
400 AM AKDT MON MAY 21 2012

.TODAY...W WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. AREAS OF FOG.
.TONIGHT AND TUE...NW WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. AREAS
OF FOG.
.TUE NIGHT...NW WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT. 
.WED...NW WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. 
.THU...NW WIND 15 KT. SEAS IN ICE FREE WATERS 4 FT.
.FRI...N WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT.  

$$

PKZ170-220300-
EASTERN ALEUTIANS CAPE SARICHEF TO NIKOLSKI
400 AM AKDT MON MAY 21 2012

.TODAY...N WIND 15 KT. SEAS 6 FT. 
.TONIGHT...VARIABLE WIND 10 KT. SEAS 4 FT. 
.TUE...SW WIND 10 KT. SEAS 4 FT. 
.TUE NIGHT AND WED...S WIND 15 KT. SEAS 5 FT.
.THU...E WIND 25 KT. SEAS 6 FT. 
.FRI...NW WIND 25 KT. SEAS 7 FT.  

$$

PKZ171-220300-
UNALASKA BAY
400 AM AKDT MON MAY 21 2012

.TODAY...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT. 
.TONIGHT THROUGH TUE NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2
FT.
.WED...S WIND 10 KT. SEAS 2 FT. 
.THU...E WIND 15 KT. SEAS 2 FT. 
.FRI...NW WIND 20 KT. SEAS 6 FT.  

$$

PKZ172-220300-
EASTERN ALEUTIANS NIKOLSKI TO ADAK
400 AM AKDT MON MAY 21 2012

.TODAY...N WIND 15 KT. SEAS 6 FT. PATCHY FOG. 
.TONIGHT...NW WIND 15 KT. SEAS 5 FT. PATCHY FOG. 
.TUE AND TUE NIGHT...W WIND 20 KT. SEAS 6 FT.
.WED...SW WIND 15 KT. SEAS 5 FT. 
.THU...NE WIND 20 KT. SEAS 6 FT. 
.FRI...NW WIND 25 KT. SEAS 6 FT.  

$$

PKZ175-220300-
WESTERN ALEUTIANS ADAK TO KISKA
400 AM AKDT MON MAY 21 2012

.TODAY...N WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.TONIGHT AND TUE...NW WIND 20 KT. SEAS 6 FT. PATCHY FOG.
.TUE NIGHT...W WIND 20 KT. SEAS 6 FT. 
.WED...NW WIND 15 KT. SEAS 5 FT. 
.THU...NE WIND 15 KT. SEAS 3 FT. 
.FRI...VARIABLE WIND 10 KT. SEAS 3 FT.  

$$

PKZ176-220300-
WESTERN ALEUTIANS KISKA TO ATTU
400 AM AKDT MON MAY 21 2012

.TODAY...NW WIND 15 KT. SEAS 4 FT. PATCHY FOG. 
.TONIGHT AND TUE...W WIND 20 KT. SEAS 5 FT. PATCHY FOG. 
.TUE NIGHT...NW WIND 20 KT. SEAS 5 FT. 
.WED...N WIND 15 KT. SEAS 5 FT. 
.THU AND FRI...VARIABLE WIND 10 KT. SEAS 3 FT.

$$

PKZ185-220300-
ST MATTHEW ISLAND WATERS
400 AM AKDT MON MAY 21 2012

.TODAY...VARIABLE WIND 10 KT. 
.TONIGHT AND TUE...E WIND 10 KT.
.TUE NIGHT THROUGH THU...VARIABLE WIND 10 KT.
.FRI...N WIND 20 KT.  

$$

PKZ179-220300-
PRIBILOF ISLANDS NEAR-SHORE WATERS
400 AM AKDT MON MAY 21 2012

.TODAY...VARIABLE WIND 10 KT. SEAS 2 FT. PATCHY FOG. 
.TONIGHT...SE WIND 10 KT. SEAS 2 FT. PATCHY FOG. 
.TUE...SE WIND 10 KT. SEAS 2 FT. 
.TUE NIGHT AND WED...VARIABLE WIND 10 KT. SEAS 2 FT.
.THU...E WIND 20 KT. SEAS 5 FT. 
.FRI...N WIND 20 KT. SEAS 5 FT.  

$$

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 May 19, 5:00 PM AKDT, 11 hours earlier.

Area forecast discussion, May 19, 5:00 PM AKDT, 11 hours before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
500 PM AKDT SAT MAY 19 2012

.ANALYSIS AND UPPER LEVELS...
A LARGE UPPER LEVEL LOW SITS JUST SOUTHEAST OF THE UNALASKA ISLAND.
AN UPPER RIDGE LIES ALONG THE SOUTHEAST ALASKA AND EASTERN COPPER
RIVER BASIN. ANOTHER UPPER RIDGE IS BUILDING OVER THE NORTHWEST
BERING SEA. A LARGE SURFACE LOW LIES ABOUT 400 MILES SOUTH OF THE
ALASKA PENINSULA WITH AN ASSOCIATED WEATHER FRONT ALONG THE ALASKA
PENINSULA AND NORTHERN GULF OF ALASKA. A SURFACE RIDGE, SIMILAR TO
THE UPPER FEATURES...LIES ALONG SOUTHEAST ALASKA AND THE CENTRAL GULF
COAST. A WEAK THERMAL TROUGH LIES OVER THE CENTRAL AND SOUTHWEST
INTERIOR.

.MODEL DISCUSSION...
MODELS ARE IN GOOD AGREEMENT THROUGH MONDAY BUT THE NAM SOLUTION
BEGINS TO DEVIATE FROM THAT OF THE GFS AND THE ECMWF BY SHIFT THE LOW
INTO THE WESTERN GULF WHILE THE OTHER MODELS KEEP IT FURTHER SOUTH
AND EAST. THE GFS IS THE PREFERRED MODEL.

.SHORT TERM FORECAST...
THE UPPER LOW SOUTHEAST OF UNALASKA ISLAND WILL SLOWLY DRIFT SOUTH
INTO THE NORTHEAST PACIFIC AND EXTEND A TROUGH EAST TOWARD QUEEN
CHARLOTTE ISLANDS BY MONDAY AFTERNOON. THE UPPER RIDGE ALONG
SOUTHEAST ALASKA WILL SHIFT NORTHEAST INTO WESTERN CANADA BUT ALSO
BUILD INTO THE CENTRAL MAINLAND OF ALASKA BY MONDAY. THE UPPER RIDGE
OVER THE NORTHWEST BERING SEA WILL BUILD INTO THE THE REST OF THE
WESTERN BERING BY MONDAY. AN UPPER LOW NORTH OF SIBERIA WILL MOVE
SOUTH INTO THE EASTERN BERING BY MONDAY.

.SOUTHCENTRAL ALASKA...THE SURFACE RIDGE ALONG THE CENTRAL GULF COAST
WILL REMAIN NEARLY STATIONARY AND SLOWLY WEAKEN THROUGH SUNDAY NIGHT.
THE WEATHER FRONT OVER THE NORTHERN GULF WILL WEAKEN AS IT MOVES ONTO
INTO THE RIDGE ALONG THE COAST TONIGHT THEN DISSIPATE SUNDAY. THE
RAIN OVER PRINCE WILLIAM SOUND AND SOUTHERN KENAI PENINSULA WILL
CHANGE TO SHOWERS SUNDAY EVENING. SCATTERED TO ISOLATED SHOWERS WILL
DEVELOP OVER WESTERN KENAI PENINSULA, ANCHORAGE AND THE MATANUSKA
VALLEY TONIGHT AND SUNDAY. ISOLATED AFTERNOON AND EVENING SHOWERS
WILL DEVELOP OVER THE COPPER RIVER BASIN AND SUSITNA VALLEY AS SOME
INSTABILITY DEVELOP OVER THE INTERIOR SUNDAY AND MONDAY. AREAS OF
GUSTY WINDS ALONG TURNAGAIN ARM AND THE KNIK VALLEY WILL DIMINISH
TONIGHT.

.SOUTHWEST ALASKA...THE WEAK THERMAL TROUGH WILL REMAIN OVER THE
INTERIOR SECTION THROUGH MONDAY. THE SKIES WILL REMAIN PARTLY TO
MOSTLY CLOUDY WITH ISOLATED TO SCATTERED SHOWERS MAINLY IN THE LATE
AFTERNOON AND EVENING.

BERING SEA AND THE ALEUTIANS...HIGH PRESSURE OVER THE WESTERN AND
CENTRAL BERING WILL PERSIST THROUGH MONDAY. SKIES WILL GRADUALLY
CLEAR OVER THE WESTERN BERING THROUGH MONDAY. AREAS OF SHOWERS WILL
DEVELOP OVER THE EASTERN BERING SUNDAY NIGHT AND MONDAY AS A LOW
MOVES INTO THE AREA.

.LONG TERM FORECAST...
THE MID RANGE MODELS ARE IN FAIRLY GOOD AGREEMENT. A LOW DEVELOPING
WEST OF QUEEN CHARLOTTE ISLAND TUESDAY THEN DRIFT TOWARD THE PACIFIC
NORTHWEST BY THURSDAY. A RIDGE WILL BUILD INTO THE GULF OF ALASKA
TUESDAY NIGHT THROUGH THURSDAY. THE RIDGE OVER THE WESTERN BERING
WEAKENS TUESDAY AND THE LOW IN THE EASTERN BERING WILL SPREAD TO THE
REST OF THE BERING WEDNESDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 155.
FIRE WEATHER...NONE.

NM MAY 12

The office that day

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

IssuedProductOfficeCountiesLasted
May 19, 4:00 PM AKDTGale WarningAFC12 hr
May 19, 4:00 PM AKDTSmall Craft AdvisoryAFC12 hr
May 19, 4:00 PM AKDTSmall Craft AdvisoryAFC48 hr
May 19, 4:45 PM AKDTSmall Craft AdvisoryAFC11 hr
May 20, 4:00 AM AKDTSmall Craft AdvisoryAFC48 hr

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.