Alert archive / Alaska / Small Craft Advisories in 2011

Small Craft Advisory 580, NWS Anchorage, AK

August 18, 2011

NWS Anchorage, AK issued this small craft advisory at Aug 18, 2011, 4:00 PM AKDT. It was in force for 36 hr.

The area

The counties it named.

The facts

Issued
Aug 18, 2011, 4:00 PM AKDT (00:00 UTC)
Expired
Aug 20, 2011, 4:00 AM AKDT
In force
36 hr
Issued by
NWS Anchorage, AK

The text

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

989 
FZAK51 PAFC 182358
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 PM AKDT THU AUG 18 2011

COASTAL WATERS FORECAST FOR THE NORTHERN GULF OF ALASKA COAST
UP TO 100 NM OUT INCLUDING KODIAK ISLAND AND COOK INLET.

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.

PKZ197-191500-
400 PM AKDT THU AUG 18 2011
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...
A 988 MB LOW WILL FORM 80 NM EAST OF CHIGNIK THU NIGHT AND MOVE TO 30
NM SOUTH OF SELDOVIA FRI NIGHT AT 980 MB. THIS LOW WILL THEN
DISSIPATE OVER COOK INLET ON SAT.
$$

PKZ120-191500-
CAPE SUCKLING TO GORE POINT
400 PM AKDT THU AUG 18 2011

...GALE WARNING THROUGH FRIDAY NIGHT...

.TONIGHT...E WIND 20 KT INCREASING TO 35 KT BY LATE EVENING. SEAS 4
FT BUILDING TO 10 FT. RAIN.
.FRI...E WIND 35 KT...DIMINISHING TO 25 KT W OF CAPE CLEARE IN THE
AFTERNOON. SEAS 10 FT. RAIN.
.FRI NIGHT...SE WIND 25 KT...EXCEPT 35 KT DURING THE EVENING ALONG
THE COAST E OF MONTAGUE ISLAND. SEAS 10 FT. RAIN.
.SAT...S WIND 20 KT. SEAS 11 FT. 
.SAT NIGHT...E WIND 20 KT. SEAS 10 FT. 
.SUN...VARIABLE WIND 10 KT. SEAS 8 FT. 
.MON...VARIABLE WIND 10 KT. SEAS 6 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS 4 FT.  

$$

PKZ121-191500-
RESURRECTION BAY
400 PM AKDT THU AUG 18 2011

.TONIGHT...S WIND 10 KT BECOMING N 20 KT BY LATE EVENING. SEAS
2 FT BUILDING TO 4 FT AFTER MIDNIGHT. HIGHER WINDS AND SEAS S OF
CAINES HEAD. RAIN.
.FRI...N WIND 20 KT. SEAS 4 FT. HIGHER SEAS S OF CAINES HEAD. RAIN.
.FRI NIGHT...VARIABLE WIND 10 KT BECOMING S AFTER MIDNIGHT. SEAS
3 FT. HIGHER SEAS S OF CAINES HEAD. RAIN.
.SAT...S WIND 10 KT. SEAS 2 FT. 
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. 
.SUN...N WIND 10 KT. SEAS 2 FT. 
.MON...VARIABLE WIND 10 KT. SEAS 2 FT. 
.TUE...S WIND 10 KT. SEAS 2 FT.  

$$

PKZ125-191500-
PRINCE WILLIAM SOUND
400 PM AKDT THU AUG 18 2011

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

.TONIGHT...E WIND 25 KT. GUSTS TO 35 KT NEAR HINCHINBROOK ENTRANCE.
SEAS 4 FT. RAIN.
.FRI...E WIND 30 KT. SEAS 6 FT. RAIN.
.FRI NIGHT...E WIND 30 KT BECOMING SE 20 KT AFTER MIDNIGHT. SEAS 6 FT
SUBSIDING TO 4 FT AFTER MIDNIGHT. RAIN.
.SAT AND SAT NIGHT...E WIND 15 KT. SEAS 2 FT.
.SUN...NE WIND 10 KT. SEAS 2 FT. 
.MON AND TUE...VARIABLE WIND 10 KT. SEAS 2 FT.

$$

PKZ129-191500-
PASSAGE CANAL
400 PM AKDT THU AUG 18 2011

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...E WIND 20 KT. SEAS 3 FT. RAIN.
.FRI...E WIND 20 KT. SEAS 3 FT. RAIN.
.FRI NIGHT...E WIND 30 KT. SEAS 5 FT. RAIN.
.SAT...E WIND 20 KT. SEAS 2 FT. 
.SAT NIGHT...E WIND 15 KT. SEAS 2 FT. 
.SUN THROUGH TUE...VARIABLE WIND 10 KT. SEAS 2 FT.

$$

PKZ130-191500-
BARREN ISLANDS AND KAMISHAK BAY WATERS
400 PM AKDT THU AUG 18 2011

...GALE WARNING THROUGH FRIDAY NIGHT...

.TONIGHT...E OF THE BARREN ISLANDS...E WIND 35 KT. SEAS 5 FT BUILDING
TO 8 FT. W OF THE BARREN ISLANDS...NE WIND 20 KT INCREASING TO 30 KT
AFTER MIDNIGHT. SEAS 5 FT. RAIN.
.FRI...E OF THE BARREN ISLANDS...E WIND 35 KT BECOMING SE 20 KT IN
THE AFTERNOON. SEAS 8 FT. W OF THE BARREN ISLANDS...NE WIND 40 KT.
SEAS 7 FT. RAIN.
.FRI NIGHT...E OF THE BARREN ISLANDS...S WIND 25 KT. SEAS 8 FT. W OF
THE BARREN ISLANDS...NE WIND 35 KT BECOMING VARIABLE 10 KT AFTER
MIDNIGHT. SEAS 6 FT SUBSIDING TO 3 FT. RAIN.
.SAT...S WIND 20 KT. SEAS 10 FT. 
.SAT NIGHT AND SUN...VARIABLE WIND 10 KT. SEAS 5 FT.
.MON AND TUE...W WIND 15 KT. SEAS 5 FT.

$$

PKZ132-191500-
SHUYAK ISLAND TO SITKINAK
400 PM AKDT THU AUG 18 2011

...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT...

.TONIGHT...SE WIND 20 KT. SEAS 5 FT. RAIN.
.FRI...S WIND 20 KT BECOMING SW 30 KT IN THE AFTERNOON. N OF
DANGEROUS CAPE...SE WIND 15 KT. SEAS 8 FT. RAIN.
.FRI NIGHT...SW WIND 25 KT. SEAS 9 FT. RAIN.
.SAT...SW WIND 20 KT. SEAS 9 FT. 
.SAT NIGHT...NW WIND 15 KT. SEAS 7 FT. 
.SUN AND MON...NW WIND 20 KT. SEAS 7 FT.
.TUE...W WIND 20 KT. SEAS 5 FT.  

$$

PKZ138-191500-
SHELIKOF STRAIT
400 PM AKDT THU AUG 18 2011

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...NE WIND 25 KT. SEAS 6 FT. RAIN.
.FRI...NE WIND 25 KT. SEAS 6 FT. RAIN.
.FRI NIGHT...W WIND 15 KT. SEAS 2 FT. RAIN.
.SAT AND SAT NIGHT...VARIABLE WIND 10 KT. SEAS 1 FT.
.SUN THROUGH TUE...W WIND 15 KT. SEAS 2 FT.

$$

PKZ140-191500-
COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY
400 PM AKDT THU AUG 18 2011

...GALE WARNING FRIDAY AND FRIDAY NIGHT...

.TONIGHT...NE WIND 20 KT... INCREASING TO 30 KT AFTER MIDNIGHT S OF
KALGIN ISLAND. SEAS 5 FT. RAIN.
.FRI...NE WIND 35 KT EXCEPT NE 25 KT N OF KALGIN ISLAND. SEAS 8 FT.
RAIN.
.FRI NIGHT...N WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS
6 FT SUBSIDING TO 4 FT AFTER MIDNIGHT. RAIN. 
.SAT...NE WIND 15 KT. SEAS 3 FT. 
.SAT NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FOOT. 
.SUN...S WIND 10 KT. SEAS 2 FT. 
.MON AND TUE...SW WIND 10 KT. SEAS 2 FT.

$$

PKZ141-191500-
KACHEMAK BAY
400 PM AKDT THU AUG 18 2011

.TONIGHT...NE WIND 15 KT. SEAS 3 FT. RAIN.
.FRI AND FRI NIGHT...NE WIND 20 KT. SEAS 4 FT. RAIN.
.SAT...S WIND 10 KT. SEAS 3 FT. 
.SAT NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT. 
.SUN...S WIND 10 KT. SEAS 2 FT. 
.MON AND TUE...SW WIND 10 KT. SEAS 3 FT.

$$
3 follow-up statements
338 
FZAK51 PAFC 191155
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKDT FRI AUG 19 2011

COASTAL WATERS FORECAST FOR THE NORTHERN GULF OF ALASKA COAST
UP TO 100 NM OUT INCLUDING KODIAK ISLAND AND COOK INLET.

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.

PKZ197-200300-
400 AM AKDT FRI AUG 19 2011
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...
A SERIES OF FRONTS WILL APPROACH THE GULF COAST THROUGH FRI NIGHT. A
985 MB LOW WILL FORM 100 NM SOUTHWEST OF KODIAK CITY FRI MORNING...
TRACK TOWARDS SOUTHERN COOK INLET FRI EVENING AND THEN SLOWLY
DISSIPATE THROUGH SAT. A WEAK 987 MB LOW WILL DEVELOP AROUND 150 NM
SOUTH OF MIDDLETON ISLAND SUN MORNING.

$$

PKZ120-200300-
CAPE SUCKLING TO GORE POINT
400 AM AKDT FRI AUG 19 2011

...GALE WARNING THROUGH TONIGHT...

.TODAY...E WIND 40 KT...GUSTING TO 50 KT. W OF CAPE CLEARE...WINDS
BECOMING S 25 KT IN THE AFTERNOON. SEAS 13 FT. PATCHY FOG. RAIN.
.TONIGHT...SE WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. W OF
CAPE CLEARE...S WIND 20 KT. SEAS 11 FT. PATCHY FOG. RAIN SHOWERS. 
.SAT...S WIND 20 KT. SEAS 11 FT. RAIN.
.SAT NIGHT...E WIND 15 KT. SEAS 10 FT. 
.SUN...NE WIND 15 KT. SEAS 8 FT. 
.MON...S WIND 15 KT. SEAS 6 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS 4 FT.  

$$

PKZ121-200300-
RESURRECTION BAY
400 AM AKDT FRI AUG 19 2011

.TODAY...VARIABLE WIND 10 KT BECOMING N 20 KT DURING THE MORNING.
SEAS 1 FT BUILDING TO 4 FT. HIGHER SEAS S OF CAINES HEAD. PATCHY 
FOG. RAIN.
.TONIGHT...N WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. SEAS 3
FT. HIGHER SEAS S OF CAINES HEAD. PATCHY FOG. RAIN.
.SAT...S WIND 10 KT. SEAS 2 FT. HIGHER SEAS S OF CAINES HEAD. RAIN.
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. 
.SUN...S WIND 10 KT. SEAS 2 FT. 
.MON AND TUE...VARIABLE WIND 10 KT. SEAS 2 FT. 

$$

PKZ125-200300-
PRINCE WILLIAM SOUND
400 AM AKDT FRI AUG 19 2011

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NE WIND 15 KT INCREASING TO E 30 KT WITH GUSTS TO 40 KT 
NEAR HINCHINBROOK ENTRANCE THIS AFTERNOON. SEAS 3 FT BUILDING TO 6
FT. PATCHY FOG. RAIN.
.TONIGHT...E WIND 30 KT WITH GUSTS TO 40 KT NEAR HINCHINBROOK
ENTRANCE THIS EVENING...BECOMING SE 20 KT AFTER MIDNIGHT. SEAS 7 FT
SUBSIDING TO 4 FT AFTER MIDNIGHT. PATCHY FOG. RAIN.
.SAT...SE WIND 15 KT. SEAS 3 FT. RAIN.
.SAT NIGHT AND SUN...NE WIND 10 KT. SEAS 2 FT. 
.MON AND TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FT. 

$$

PKZ129-200300-
PASSAGE CANAL
400 AM AKDT FRI AUG 19 2011

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E WIND 25 KT. SEAS 4 FT. PATCHY FOG. RAIN.
.TONIGHT...E WIND 25 KT. SEAS 4 FT. PATCHY FOG. RAIN.
.SAT...E WIND 20 KT. SEAS 3 FT. RAIN.
.SAT NIGHT...E WIND 15 KT. SEAS 2 FT. 
.SUN AND MON...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FT. 
.TUE...E WIND 10 KT. SEAS 2 FT.  

$$

PKZ130-200300-
BARREN ISLANDS AND KAMISHAK BAY WATERS
400 AM AKDT FRI AUG 19 2011

...GALE WARNING THROUGH TONIGHT...

.TODAY...W OF THE BARREN ISLANDS...NE WIND 40 KT. E OF THE BARREN
ISLANDS...NE WIND 40 KT WITH GUSTS TO 50 KT IN THE MORNING...
BECOMING SE 20 KT IN THE AFTERNOON. SEAS 11 FT. RAIN.
.TONIGHT...W OF THE BARREN ISLANDS...N WIND 35 KT BECOMING NW 15 KT
AFTER MIDNIGHT. E OF THE BARREN ISLANDS...S WIND 25 KT. SEAS 10 FT.
RAIN.
.SAT...SW WIND 20 KT. SEAS 10 FT. RAIN.
.SAT NIGHT AND SUN...VARIABLE WIND 10 KT. SEAS 7 FT. 
.MON AND TUE...W WIND 15 KT. SEAS 5 FT. 

$$

PKZ132-200300-
SHUYAK ISLAND TO SITKINAK
400 AM AKDT FRI AUG 19 2011

...SMALL CRAFT ADVISORY THROUGH SATURDAY...

.TODAY...S OF DANGEROUS CAPE...S WIND 20 KT INCREASING TO SW WIND 30
KT IN THE AFTERNOON. SEAS 6 FT BUILDING TO 10 FT. N OF DANGEROUS 
CAPE...E WIND 15 KT. SEAS 6 FT. RAIN.
.TONIGHT...SW WIND 30 KT. SEAS 11 FT. 
.SAT...SW WIND 20 KT. SEAS 10 FT. RAIN.
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 8 FT. 
.SUN...W WIND 20 KT. SEAS 8 FT. 
.MON...W WIND 20 KT. SEAS 6 FT. 
.TUE...W WIND 15 KT. SEAS 5 FT.  

$$

PKZ138-200300-
SHELIKOF STRAIT
400 AM AKDT FRI AUG 19 2011

...GALE WARNING TODAY...

.TODAY...NE WIND 35 KT BECOMING N 25 KT IN THE AFTERNOON. SEAS 12 FT
SUBSIDING TO 7 FT IN THE AFTERNOON. RAIN.
.TONIGHT...W WIND 20 KT. SEAS 5 FT. RAIN SHOWERS. 
.SAT...SW WIND 15 KT. SEAS 5 FT. RAIN.
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 3 FT. 
.SUN AND MON...SW WIND 15 KT. SEAS 4 FT. 
.TUE...VARIABLE WIND 10 KT. SEAS 2 FT.  

$$

PKZ140-200300-
COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY
400 AM AKDT FRI AUG 19 2011

...GALE WARNING THROUGH TONIGHT...

.TODAY...S OF KALGIN ISLAND...NE WIND 40 KT. SEAS 10 FT. N OF KALGIN
ISLAND...NE WIND 30 KT. SEAS 6 FT. RAIN.
.TONIGHT...S OF KALGIN ISLAND...NE WIND 35 KT DIMINISHING TO 25 KT
AFTER MIDNIGHT. SEAS 10 FT SUBSIDING TO 6 FT. N OF KALGIN ISLAND...
NE WIND 25 KT DIMINISHING TO 15 KT AFTER MIDNIGHT. SEAS 5 FT
SUBSIDING TO 3 FT. RAIN.
.SAT...NE WIND 10 KT. SEAS 4 FT. RAIN.
.SAT NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FT. 
.SUN...S WIND 10 KT. SEAS 2 FT. 
.MON...W WIND 10 KT. SEAS 2 FT. 
.TUE...SW WIND 10 KT. SEAS 2 FT.  

$$

PKZ141-200300-
KACHEMAK BAY
400 AM AKDT FRI AUG 19 2011

.TODAY...NE WIND 20 KT. SEAS 4 FT. RAIN.
.TONIGHT...NE WIND 20 KT BECOMING E 10 KT AFTER MIDNIGHT. SEAS 2 FT.
RAIN.
.SAT...VARIABLE WIND LESS THAN 10 KT BECOMING SE 10 KT IN THE
AFTERNOON. SEAS 2 FT. RAIN.
.SAT NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 
.SUN...SW WIND 15 KT. SEAS 4 FT. 
.MON AND TUE...SW WIND 10 KT. SEAS 3 FT. 

$$

JAM
954 
FZAK51 PAFC 192355
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 PM AKDT FRI AUG 19 2011

COASTAL WATERS FORECAST FOR THE NORTHERN GULF OF ALASKA COAST
UP TO 100 NM OUT INCLUDING KODIAK ISLAND AND COOK INLET.

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.

PKZ197-201500-
400 PM AKDT FRI AUG 19 2011
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...
A 983 MB LOW OVER KODIAK ISLAND WILL DISSIPATE AS IT MOVES TO 
SOUTHERN COOK INLET TONIGHT AND THEN INLAND EARLY SAT. A SERIES 
OF FRONTS MOVE THROUGH THE GULF SAT AND SUN.
$$

PKZ120-201500-
CAPE SUCKLING TO GORE POINT
400 PM AKDT FRI AUG 19 2011

...GALE WARNING TONIGHT...

.TONIGHT...SE WIND 20 KT. NEAR THE COAST E OF MONTAGUE ISLAND...SE
WIND 45 KT BECOMING SE 20 KT AFTER MIDNIGHT. SEAS 11 FT. RAIN.
.SAT...S WIND 20 KT. SEAS 11 FT. RAIN.
.SAT NIGHT...SE WIND 15 KT. SEAS 9 FT. RAIN.
.SUN...E WIND 15 KT. SEAS 7 FT. 
.SUN NIGHT...NE WIND 15 KT. SEAS 7 FT. 
.MON...SE WIND 15 KT. SEAS 6 FT. 
.TUE AND WED...VARIABLE WIND 10 KT. SEAS 3 FT. 

$$

PKZ121-201500-
RESURRECTION BAY
400 PM AKDT FRI AUG 19 2011

.TONIGHT...VARIABLE WIND 10 KT BECOMING S AFTER MIDNIGHT. SEAS 2 FT.
HIGHER SEAS S OF CAINES HEAD. RAIN.
.SAT...S WIND 10 KT. SEAS 2 FT. HIGHER SEAS S OF CAINES HEAD. RAIN.
.SAT NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. HIGHER SEAS 
S OF CAINES HEAD. RAIN SHOWERS. 
.SUN...VARIABLE WIND 10 KT. SEAS 2 FT. 
.SUN NIGHT...S WIND 10 KT. SEAS 2 FT. 
.MON AND TUE...VARIABLE WIND 10 KT. SEAS 2 FT. 
.WED...S WIND 10 KT. SEAS 2 FT.  

$$

PKZ125-201500-
PRINCE WILLIAM SOUND
400 PM AKDT FRI AUG 19 2011

...GALE WARNING TONIGHT...

.TONIGHT...E WIND 40 KT DIMINISHING TO SE 20 KT AFTER MIDNIGHT. 
GUSTS TO 55 KT NEAR HINCHINBROOK ENTRANCE EARLY THIS EVENING. 
SEAS BUILDING TO 8 FT THIS EVENING THEN SUBSIDING TO 4 FT 
TOWARD MORNING. RAIN.
.SAT...SE WIND 20 KT. SEAS 4 FT. RAIN.
.SAT NIGHT...SE WIND 15 KT BECOMING E 10 KT AFTER MIDNIGHT. 
SEAS 3 FT. RAIN SHOWERS. 
.SUN AND SUN NIGHT...NE WIND 10 KT. SEAS 2 FT. 
.MON AND TUE...VARIABLE WIND 10 KT. SEAS 2 FT. 
.WED...S WIND 10 KT. SEAS 2 FT.  

$$

PKZ129-201500-
PASSAGE CANAL
400 PM AKDT FRI AUG 19 2011

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...E WIND 30 KT DIMINISHING TO 20 KT AFTER MIDNIGHT. 
SEAS BUILDING TO 5 FT THIS EVENING AND SUBSIDING TO 3 FT 
AFTER MIDNIGHT. RAIN.
.SAT...E WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. 
SEAS 2 FT. RAIN.
.SAT NIGHT...E WIND 10 KT IN THE EVENING BECOMING VARIABLE 
LESS THAN 10 KT. SEAS 1 FT. RAIN SHOWERS. 
.SUN THROUGH MON...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FT. 
.TUE AND WED...E WIND 10 KT. SEAS 2 FT. 

$$

PKZ130-201500-
BARREN ISLANDS AND KAMISHAK BAY WATERS
400 PM AKDT FRI AUG 19 2011

...GALE WARNING TONIGHT...

.TONIGHT...NE WIND 40 KT DIMINISHING TO 25 KT THIS EVENING THEN
BECOMING W 15 KT AFTER MIDNIGHT. SE OF THE BARREN ISLANDS...SW 
WIND 25 KT. SEAS 12 FT...SUBSIDING TO 6 FT W OF THE BARREN 
ISLANDS AFTER MIDNIGHT. RAIN.
.SAT...SW WIND 15 KT. SEAS 10 FT EXCEPT 5 FT W OF THE BARREN
ISLANDS. RAIN.
.SAT NIGHT...VARIABLE WIND 10 KT. SEAS 8 FT EXCEPT 3 FT 
W OF THE BARREN ISLANDS. 
.SUN AND SUN NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. 
.MON AND TUE...W WIND 15 KT. SEAS 4 FT. 
.WED...S WIND 15 KT. SEAS 3 FT.  

$$

PKZ132-201500-
SHUYAK ISLAND TO SITKINAK
400 PM AKDT FRI AUG 19 2011

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

.TONIGHT...SW WIND 30 KT DIMINISHING TO 20 KT TOWARD MORNING. 
SEAS 11 FT. RAIN.
.SAT...SW WIND 20 KT. SEAS 8 FT. RAIN SHOWERS. 
.SAT NIGHT...SW WIND 15 KT. SEAS 8 FT. 
.SUN...NW WIND 15 KT. SEAS 7 FT. 
.SUN NIGHT AND MON...W WIND 20 KT. SEAS 6 FT. 
.TUE...W WIND 15 KT. SEAS 5 FT. 
.WED...S WIND 15 KT. SEAS 3 FT.  

$$

PKZ138-201500-
SHELIKOF STRAIT
400 PM AKDT FRI AUG 19 2011

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE WIND 30 KT SHIFTING TO SW 25 KT THIS EVENING. 
SEAS 7 FT. RAIN SHOWERS. 
.SAT...SW WIND 20 KT. SEAS 5 FT. RAIN.
.SAT NIGHT AND SUN...SW WIND 15 KT. SEAS 4 FT. 
.SUN NIGHT AND MON...W WIND 15 KT. SEAS 3 FT. 
.TUE AND WED...VARIABLE WIND 10 KT. SEAS 2 FT. 

$$

PKZ140-201500-
COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY
400 PM AKDT FRI AUG 19 2011

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE WIND 30 KT DIMINISHING TO 20 KT AFTER MIDNIGHT. 
SEAS 9 FT SUBSIDING TO 5 FT AFTER MIDNIGHT. RAIN. 
.SAT...NE WIND 15 KT BECOMING S 15 KT IN THE AFTERNOON. SEAS 4 FT.
RAIN SHOWERS. 
.SAT NIGHT...S WIND 10 KT IN THE EVENING BECOMING VARIABLE LESS 
THAN 10 KT. SEAS 2 FT. 
.SUN...SW WIND 10 KT. SEAS 2 FT. 
.SUN NIGHT...S WIND 10 KT. SEAS 2 FT. 
.MON...W WIND 10 KT. SEAS 2 FT. 
.TUE...SW WIND 10 KT. SEAS 2 FT. 
.WED...SE WIND 10 KT. SEAS 2 FT.  

$$

PKZ141-201500-
KACHEMAK BAY
400 PM AKDT FRI AUG 19 2011

.TONIGHT...NE WIND 15 KT IN THE EVENING BECOMING VARIABLE 
LESS THAN 10 KT. SEAS 3 FT SUBSIDING TO 1 FT. RAIN.
.SAT...SW WIND 15 KT. SEAS 3 FT. RAIN SHOWERS. 
.SAT NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FT. 
.SUN...SW WIND 15 KT. SEAS 4 FT. 
.SUN NIGHT...S WIND 15 KT. SEAS 2 FT. 
.MON...SW WIND 15 KT. SEAS 4 FT. 
.TUE...SW WIND 10 KT. SEAS 3 FT. 
.WED...SE WIND 10 KT. SEAS 2 FT.  

$$
698 
FZAK51 PAFC 201146
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
400 AM AKDT SAT AUG 20 2011

COASTAL WATERS FORECAST FOR THE NORTHERN GULF OF ALASKA COAST
UP TO 100 NM OUT INCLUDING KODIAK ISLAND AND COOK INLET.

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.

PKZ197-210300-
400 AM AKDT SAT AUG 20 2011
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...
A 980 MB LOW 50 NM SOUTHWEST OF HOMER WILL WEAKEN AND DISSIPATE LATE
SAT NIGHT OVER SOUTHERN COOK INLET. A 987 MB LOW WILL DEVELOP AROUND
150 NM SOUTH OF MIDDLETON ISLAND EARLY SUN MORNING AND REMAIN NEARLY
STATIONARY WITH LITTLE CHANGE IN STRENGTH THROUGH MON.
$$

PKZ120-210300-
CAPE SUCKLING TO GORE POINT
400 AM AKDT SAT AUG 20 2011

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...S WIND 20 KT. SEAS 11 FT. RAIN.
.TONIGHT...SE WIND 15 KT. SEAS 9 FT. RAIN SHOWERS. 
.SUN...E WIND 15 KT. SEAS 8 FT. RAIN SHOWERS. 
.SUN NIGHT...NE WIND 15 KT. SEAS 8 FT. 
.MON...SE WIND 15 KT. SEAS 6 FT. 
.TUE...S WIND 20 KT. SEAS 6 FT. 
.WED...SE WIND 20 KT. SEAS 5 FT.  

$$

PKZ121-210300-
RESURRECTION BAY
400 AM AKDT SAT AUG 20 2011

.TODAY...S WIND 10 KT. SEAS 2 FT. HIGHER SEAS S OF CAINES HEAD.
RAIN.
.TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. HIGHER SEAS S
OF CAINES HEAD. RAIN SHOWERS. 
.SUN...VARIABLE WIND LESS THAN 10 KT BECOMING S 10 KT IN THE
AFTERNOON. SEAS 2 FT. HIGHER SEAS S OF CAINES HEAD. 
.SUN NIGHT THROUGH TUE...S WIND 10 KT. SEAS 2 FT. 
.WED...VARIABLE WIND 10 KT. SEAS 2 FT.  

$$

PKZ125-210300-
PRINCE WILLIAM SOUND
400 AM AKDT SAT AUG 20 2011

.TODAY...SE WIND 15 KT. SEAS 3 FT. RAIN.
.TONIGHT...SE WIND 15 KT BECOMING E 10 KT AFTER MIDNIGHT. SEAS 3 FT.
RAIN SHOWERS. 
.SUN...NE WIND 10 KT. SEAS 2 FT. 
.SUN NIGHT...NE WIND 10 KT. SEAS 2 FT. 
.MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 
.TUE...S WIND 15 KT. SEAS 3 FT. 
.WED...SE WIND 10 KT. SEAS 2 FT.  

$$

PKZ129-210300-
PASSAGE CANAL
400 AM AKDT SAT AUG 20 2011

.TODAY...E WIND 20 KT. SEAS 3 FT. RAIN.
.TONIGHT...E WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. SEAS
2 FT. RAIN SHOWERS. 
.SUN...VARIABLE WIND LESS THAN 10 KT BECOMING E 10 KT IN THE
AFTERNOON. SEAS 2 FT. 
.SUN NIGHT AND MON...E WIND 10 KT. SEAS 2 FT. 
.TUE AND WED...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. 

$$

PKZ130-210300-
BARREN ISLANDS AND KAMISHAK BAY WATERS
400 AM AKDT SAT AUG 20 2011

...SMALL CRAFT ADVISORY TODAY...

.TODAY...SW WIND 20 KT. SEAS 10 FT EXCEPT 3 FT W OF THE BARREN
ISLANDS. RAIN.
.TONIGHT...VARIABLE WIND 10 KT. SEAS 7 FT. 
.SUN...VARIABLE WIND 10 KT. SEAS 6 FT. 
.SUN NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. 
.MON...W WIND 10 KT. SEAS 4 FT. 
.TUE...SW WIND 20 KT. SEAS 5 FT. 
.WED...SE WIND 20 KT. SEAS 5 FT.  

$$

PKZ132-210300-
SHUYAK ISLAND TO SITKINAK
400 AM AKDT SAT AUG 20 2011

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW WIND 20 KT. SEAS 8 FT. RAIN SHOWERS. 
.TONIGHT...SW WIND 15 KT. SEAS 8 FT. 
.SUN...NW WIND 15 KT. SEAS 7 FT. 
.SUN NIGHT...W WIND 20 KT. SEAS 7 FT. 
.MON...W WIND 25 KT. SEAS 6 FT. 
.TUE...SW WIND 20 KT. SEAS 6 FT. 
.WED...SE WIND 20 KT. SEAS 7 FT.  

$$

PKZ138-210300-
SHELIKOF STRAIT
400 AM AKDT SAT AUG 20 2011

.TODAY...SW WIND 20 KT BECOMING VARIABLE 10 KT IN THE AFTERNOON. SEAS
5 FT SUBSIDING TO 3 FT IN THE AFTERNOON. RAIN.
.TONIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. 
.SUN AND SUN NIGHT...W WIND 15 KT. SEAS 2 FT. 
.MON...W WIND 15 KT. SEAS 3 FT. 
.TUE...SW WIND 20 KT. SEAS 5 FT. 
.WED...SE WIND 20 KT. SEAS 5 FT.  

$$

PKZ140-210300-
COOK INLET NORTH OF KAMISHAK BAY AND ENGLISH BAY
400 AM AKDT SAT AUG 20 2011

.TODAY...NE WIND 15 KT BECOMING VARIABLE 10 KT BY AFTERNOON. SEAS 2
FT. RAIN SHOWERS. 
.TONIGHT...NE WIND 10 KT. SEAS 1 FOOT. 
.SUN...VARIABLE WIND 10 KT BECOMING S 10 KT IN THE AFTERNOON. SEAS 2
FT. 
.SUN NIGHT...S WIND 10 KT. SEAS 2 FT. 
.MON...SW WIND 10 KT. SEAS 2 FT. 
.TUE...S WIND 20 KT. SEAS 5 FT. 
.WED...SE WIND 15 KT. SEAS 3 FT.  

$$

PKZ141-210300-
KACHEMAK BAY
400 AM AKDT SAT AUG 20 2011

.TODAY...SE WIND 10 KT. SEAS 2 FT. RAIN SHOWERS. 
.TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. RAIN SHOWERS.
.SUN...S WIND 10 KT BECOMING SW 15 KT IN THE AFTERNOON. SEAS 2 FT
BUILDING TO 4 FT IN THE AFTERNOON. 
.SUN NIGHT...S WIND 15 KT. SEAS 2 FT. 
.MON...SW WIND 15 KT. SEAS 4 FT. 
.TUE...S WIND 15 KT. SEAS 4 FT. 
.WED...SE WIND 15 KT. SEAS 2 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 Aug 18, 1:25 PM AKDT, 2 hours 35 minutes earlier.

Area forecast discussion, Aug 18, 1:25 PM AKDT, 2 hours 35 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
125 PM AKDT THU AUG 18 2011

.ANALYSIS AND UPPER LEVELS...A STRONG UPPER JET WITH MAX SPEED
ESTIMATED AT 150KT+ EXTENDS OUT OF ASIA AND DUE EASTWARD ALONG
THE ALEUTIANS. THIS IS CAUSING AN EAST-WEST ORIENTED TROUGH OVER
THE BERING TO DIG EASTWARD. A STRONG SHORT-WAVE BETWEEN THE PRIBILOF
ISLANDS AND EASTERN ALEUTIANS IS PLOWING EASTWARD TOWARD SOUTHWEST
ALASKA WITH ABUNDANT MOISTURE OUT AHEAD OF IT. AT THE SURFACE
MULTIPLE WEAK LOWS ARE SITTING UNDER THE BERING TROUGH WITH A
TRIPLE POINT JUST AHEAD OF THE STRONG SHORT-WAVE.

DOWNSTREAM OF THIS SYSTEM A WARM FRONT IS MOVING NORTHWARD ACROSS
THE GULF TOWARD SOUTHCENTRAL. RADAR IMAGERY SHOWS AN SOLID BAND
OF STRATIFORM RAINING MOVING ONSHORE OF THE KENAI PENINSULA. THERE
ARE AREAS OF MODERATE TO HEAVY RAIN WHICH IS INDICATIVE OF THE
FACT THAT THIS IS NOT SOLELY DUE TO OVERRUNNING. MODELS ALSO
INDICATE UPPER LEVEL WAVES OUT AHEAD OF THE BERING TROUGH SWINGING
NORTHEASTWARD ACROSS SOUTHWEST ALASKA AND THE WESTERN GULF TOWARD
SOUTHCENTRAL. THIS FEATURE IS NOT VISIBLE IN WATER VAPOR IMAGERY
BECAUSE THERE IS SO MUCH LIFT AND MOISTURE AHEAD OF THE MAIN BERING
TROUGH. FINALLY...THERE ARE STILL SHOWERS OVER INTERIOR SOUTHCENTRAL
ASSOCIATED WITH AN EXITING SHORT-WAVE.

.MODEL DISCUSSION...MODELS CONTINUE TO GAIN A BETTER HANDLE ON THIS
EVOLVING STORM SYSTEM BUT THERE STILL ARE SOME KEY DIFFERENCES IN
THE MESO-SCALE. THE NAM IS AN OUTLIER IN ROTATING THE STRONG BERING
SHORT-WAVE NORTHWARD AND DEVELOPING A SINGLE CONCENTRIC UPPER LOW.
THE OTHER MODELS ALL AGREE THAT THIS SWINGS FARTHER EAST INITIALLY
MAINTAINING A MORE ELONGATED UPPER CENTER OR A SPLIT CENTER. THIS
AFFECTS THE POSITION OF SURFACE LOW BENEATH THIS UPPER CENTER. OF
COURSE...THE MODELS ALL COME TOGETHER WITH THIS LOW BY FRIDAY
AFTERNOON.

OVER THE GULF AND SOUTHCENTRAL REGION THE NAM IS AN OUTLIER IN
MOVING THE WARM FRONT TOO RAPIDLY NORTHWARD WITH BARRIER JET ALL
THE WAY INTO THE SOUND BY TONIGHT. BASED ON THE MSLP FORECAST THE
COASTAL RIDGE WILL PUSH NORTHWARD AND EXTEND FROM THE COPPER BASIN
SOUTHWESTWARD ACROSS THE KENAI PENINSULA AND COOK INLET AND THEN
DOWN TO A DEVELOPING TRIPLE POINT LOW SOUTH OF THE ALASKA PENINSULA.
THIS WOULD SUPPORT A SYNOPTIC NORTHEASTERLY FLOW WHICH MEANS
BARRIER JET WILL NOT MAKE IT THAT FAR NORTH. THEREFORE...PLAN TO
GO HEAVILY TOWARD THE GFS SOLUTION WHICH SEEMS TO BETTER DEPICT
THIS. IN FACT...A GLANCE AT THE 18Z NAM SHOWS THAT IT IS TRENDING
IN THIS DIRECTION.

THERE ARE ALSO DIFFERENCES IN THE TRACK OF THE TRIPLE POINT LOW
WITH THE NAM BEING FASTEST IN MOVING IT INTO THE INLET. PREFER THE
GFS/UKMET SOLUTION OF STALLING IT SOMEWHERE NEAR THE BARREN ISLANDS
FRIDAY NIGHT. A VERY LARGE UPPER LOW WILL BECOME CENTERED OVER THE
WESTERN GULF AT THIS TIME FRAME SO IT MAKES SENSE THAT THE SURFACE
LOW WOULD STALL AND DISSIPATE.

.SHORT TERM FORECAST...

SOUTHCENTRAL ALASKA...RAIN WILL CONTINUE TO OVERSPREAD MOST OF
SOUTHCENTRAL THIS AFTERNOON AND TONIGHT AS WARM FRONT PROGRESSES
NORTHWARD AND UPPER LEVEL SHORT-WAVE MOVES THROUGH. SURFACE RIDGE
ALONG THE NORTH GULF COAST WILL PUSH INLAND TONIGHT WHICH WILL
CAUSE TURNAGAIN ARM WIND TO DIMINISH A BIT. AT THE SAME TIME THE
LOW LEVEL CROSS-BARRIER FLOW WILL INCREASE OUT OF THE SOUTHEAST.
THIS WILL BE SHALLOW ENOUGH THAT DON'T EXPECT A SIGNIFICANT
DOWNSLOPING AFFECT. ANOTHER ROUND OF WIDESPREAD RAIN WILL
ACCOMPANY THE TRIPLE POINT LOW AND ASSOCIATED FRONTAL SYSTEM AS
IT MOVES NORTHWARD FRIDAY AND FRIDAY NIGHT. STRONG GEOSTROPHIC
FLOW ALONG AND AHEAD OF THE SECOND FRONT WILL RE-ENFORCE THE
BARRIER JET ALONG THE NORTH GULF COAST FRIDAY AFTERNOON. THIS
FRONT WILL THEN MOVE INLAND FRIDAY EVENING PUSHING STRONGER WINDS
INTO PRINCE WILLIAM SOUND AND TURNAGAIN ARM BEFORE THE FRONT
DISSIPATES OVERNIGHT. COOL AND SHOWERY WEATHER WILL PERSIST
OVER THE WEEKEND AS THE UPPER LOW WEAKENS OVER THE GULF.

SOUTHWEST ALASKA...THE SOUTHWEST ALASKA COAST WILL SEE SOME OF THE
STRONGEST VERTICAL MOTION FROM THIS SYSTEM TONIGHT AS THE STRONG
SHORT-WAVE ALOFT AND SURFACE FRONTAL SYSTEM ARRIVE TONIGHT. THE
FRONT WILL STALL OVER THE COASTAL ZONE AS THE BERING LOW WRAPS
UP AND DEVELOPMENT SOUTH OF THE ALASKA PENINSULA BECOMES DOMINANT.
THEREFORE...INTERIOR SOUTHWEST ALASKA...NAMELY THE SOUTHERN
KUSKOKWIM VALLEY...WILL BE RIGHT ON THE PERIPHERY OF THE RAIN.
RAIN WILL BECOME CONFINED TO THE EASTERN PORTION OF SOUTHWEST
ALASKA FRIDAY INTO SATURDAY AS THE UPPER LOW OVER THE BERING
MOVES INTO THE GULF. IT THEN LOOKS LIKE THERE WILL BE A BREAK
SUNDAY INTO MONDAY AHEAD OF A TROUGH DROPPING SOUTHWARD OUT OF
THE ARCTIC.

BERING SEA/ALEUTIANS...AS STRONG SHORT-WAVE REACHES THE EASTERN
BERING TONIGHT IT WILL CURVE NORTHWARD AND CREATE A NEW UPPER
CENTER EAST OF THE PRIBILOF ISLANDS. THIS WILL CAUSE DEVELOPMENT
OF A SINGLE LOW AT THE SURFACE. ALL OF THIS WILL SHIRT EASTWARD
TO THE GULF OVER THE WEEKEND BRINGING A RETURN TO DRY WEATHER
ACROSS THE BERING SEA AND ALEUTIANS. ENERGY WILL BEGIN TO DROP
OUT OF THE ARCTIC AS WE HEAD TO NEXT WEEK PROVIDING BRIEF SHOTS
OF RAIN. WITH COOLER AIR ALOFT THE MARINE LAYER WILL BE MORE
UNSTABLE WHICH MEANS FOG WILL BE MUCH LESS PREVALENT THAN IT
HAS BEEN IN RECENT WEEKS.

.LONG TERM FORECAST...ATTENTION WILL BE SHIFTED TO THE ARCTIC
DURING THE DAY 4 THROUGH 7 TIME PERIOD. GFS/ECMWF AGREE ON THE
GENERAL EVOLUTION OF THE PATTERN WITH ENERGY DROPPING DOWN OUT
OF THE RUSSIAN ARCTIC CAUSING THE TROUGH TO BECOME RE-CENTERED
OVER THE BERING SEA BY THE MIDDLE OF NEXT WEEK. THERE ARE LOTS
OF DIFFERENCES IN THE DETAILS OF INDIVIDUAL FEATURES. UNDER THIS
GENERAL PATTERN EXPECT FAIRLY CALM WEATHER AS WE HEAD THROUGH
NEXT WEEK WITH NO MAJOR FEATURES MOVING THROUGH. THE BERING SEA
OVER TO THE WEST COAST OF ALASKA WILL BECOME MORE ACTIVE.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE WARNING...120 130 140 170 172.
FIRE WEATHER...NONE.

SEB AUG 11

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 4:00 PM AKDTGale WarningAFC12 hr
Aug 18, 4:00 PM AKDTSmall Craft AdvisoryAFC48 hr
Aug 19, 4:00 AM AKDTGale WarningAFC12 hr
Aug 19, 4:00 AM AKDTSmall Craft AdvisoryAFC6 days
Aug 19, 9:40 AM AKDTSmall Craft AdvisoryAFC5 days

Nearby

Small Craft Advisories in Alaska, 2011Every small craft advisory in 2011

Sources

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