Alert archive / Alaska / Gale Warnings in 2010

Gale Warning 252, NWS Juneau, AK

May 20, 2010

NWS Juneau, AK issued this gale warning at May 20, 2010, 10:30 PM AKDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
May 20, 2010, 10:30 PM AKDT (06:30 UTC)
Expired
May 21, 2010, 4:00 AM AKDT
In force
6 hr
Issued by
NWS Juneau, AK

The text

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

459 
FZAK51 PAJK 210630 AAB
CWFAJK

COASTAL WATERS FORECAST FOR SOUTHEAST ALASKA...UPDATED
NATIONAL WEATHER SERVICE JUNEAU AK
1030 PM AKDT THU MAY 20 2010

SOUTHEAST ALASKA INSIDE WATERS FROM DIXON ENTRANCE TO SKAGWAY

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT.

PKZ098-212030-
621 PM AKDT THU MAY 20 2010
.SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS...
 A 994 MB LOW JUST EAST OF THE QUEEN CHARLOTTE ISLANDS WILL MOVE
NORTHWESTWARD INTO THE EASTERN GULF OF AK TONIGHT. LOW WILL
CONTINUE TO WEAKEN AS IT DRIFTS IN THE EASTERN GULF FRIDAY. A
RIDGE WILL BUILD IN THE CENTRAL GULF SATURDAY. 

$$

PKZ011-212030-
GLACIER BAY-
621 PM AKDT THU MAY 20 2010

.TONIGHT...N WIND 20 KT BECOMING SE 10 KT LATE. SEAS 4 FT
SUBSIDING TO 2 FT LATE.
.FRI...S WIND 10 KT INCREASING TO 20 KT IN THE AFTERNOON. SEAS
2 FT OR LESS BUILDING TO 4 FT IN THE AFTERNOON. 
.FRI NIGHT...S WIND 15 KT. SEAS 3 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 20 KT. SEAS 4 FT. 
.MON...N WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...N WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ012-212030-
NORTHERN LYNN CANAL-
621 PM AKDT THU MAY 20 2010

.TONIGHT...N WIND 20 KT BECOMING S 10 KT LATE. SEAS 4 FT
SUBSIDING TO 2 FT LATE. 
.FRI...S WIND INCREASING TO 20 KT IN THE AFTERNOON. SEAS 4 FT.
.FRI NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 25 KT. SEAS 5 FT. 
.MON...S WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...S WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ013-212030-
SOUTHERN LYNN CANAL-
621 PM AKDT THU MAY 20 2010

.TONIGHT...N WIND 20 KT BECOMING S 10 KT LATE. SEAS 4 FT
SUBSIDING TO 2 FT LATE.
.FRI...S WIND 10 KT BECOMING 20 KT IN THE AFTERNOON. SEAS 2 FT OR
LESS BUILDING TO 4 FT IN THE AFTERNOON.
.FRI NIGHT...S WIND 15 KT. SEAS 3 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 15 KT. SEAS 3 FT. 
.MON...N WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...N WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ021-212030-
ICY STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...W WIND 15 KT BECOMING SE LATE. SEAS 3 FT.
.FRI...SE WIND 10 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...SW WIND 15 KT. SEAS 3 FT. 
.MON...E WIND 15 KT. SEAS 3 FT. 
.TUE...NE WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ022-212030-
CROSS SOUND-
621 PM AKDT THU MAY 20 2010

.TONIGHT...W WIND 20 KT BECOMING SE LATE. SEAS 4 FT.
.FRI...E WIND 10 KT BECOMING W 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...SW WIND 15 KT. SEAS 3 FT. 
.MON...E WIND 15 KT. SEAS 6 FT. 
.TUE...NE WIND 10 KT. SEAS 4 FT. 

$$

PKZ031-212030-
STEPHENS PASSAGE-
621 PM AKDT THU MAY 20 2010

.REST OF TONIGHT...SE WIND 20 KT DIMINISHING LATE. SEAS 3 FT.
SHOWERS IN THE EVENING.
.FRI...S WIND INCREASING TO 15 KT IN THE AFTERNOON. SEAS 3 FT.
.FRI NIGHT...NW WIND 10 KT. SEAS 2 FT OR LESS. 
.SAT...NW WIND 15 KT. SEAS 3 FT. 
.SAT NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SUN...SE WIND 15 KT. SEAS 3 FT. 
.MON...SE WIND 15 KT. SEAS 3 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ032-212030-
NORTHERN CHATHAM STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...S WIND 15 KT. SEAS 3 FT.
.FRI...S WIND 10 KT. SEAS 2 FT OR LESS. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 15 KT. SEAS 3 FT. 
.MON...N WIND 15 KT. SEAS 3 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ033-212030-
SOUTHERN CHATHAM STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...SE WIND 20 KT. SEAS 4 FT. 
.FRI...SE WIND 15 KT BECOMING NW 10 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ034-212030-
FREDERICK SOUND-
621 PM AKDT THU MAY 20 2010

.REST OF TONIGHT...SE WIND 20 KT. SEAS 3 FT. SHOWERS IN THE
EVENING.
.FRI...NE WIND 10 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...NE WIND 15 KT. SEAS 3 FT. 

$$

PKZ035-212030-
SUMNER STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...E WIND 20 KT. SEAS 4 FT. 
.FRI...E WIND 15 KT BECOMING W 10 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...E WIND 20 KT. SEAS 4 FT. 
.MON...E WIND 20 KT. SEAS 4 FT. 
.TUE...NE WIND 15 KT. SEAS 3 FT. 

$$

PKZ036-212030-
CLARENCE STRAIT-
1030 PM AKDT THU MAY 20 2010

UPDATED

...GALE WARNING TONIGHT...

.TONIGHT...S WIND 35 KT DIMINISHING TO 20 KT LATE. SEAS 10 FT
SUBSIDING TO 6 FT LATE. 
.FRI...SE WIND 15 KT IN THE MORNING BECOMING LIGHT. SEAS 3 FT
IN THE MORNING THEN SUBSIDING. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...SE WIND 15 KT. SEAS 3 FT. 

$$
3 follow-up statements
584 
FZAK51 PAJK 210654 AAC
CWFAJK

COASTAL WATERS FORECAST FOR SOUTHEAST ALASKA...UPDATED
NATIONAL WEATHER SERVICE JUNEAU AK
1055 PM AKDT THU MAY 20 2010

SOUTHEAST ALASKA INSIDE WATERS FROM DIXON ENTRANCE TO SKAGWAY

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT.

PKZ098-212030-
621 PM AKDT THU MAY 20 2010
.SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS...
 A 994 MB LOW JUST EAST OF THE QUEEN CHARLOTTE ISLANDS WILL MOVE
NORTHWESTWARD INTO THE EASTERN GULF OF AK TONIGHT. LOW WILL
CONTINUE TO WEAKEN AS IT DRIFTS IN THE EASTERN GULF FRIDAY. A
RIDGE WILL BUILD IN THE CENTRAL GULF SATURDAY. 

$$

PKZ011-212030-
GLACIER BAY-
621 PM AKDT THU MAY 20 2010

.TONIGHT...N WIND 20 KT BECOMING SE 10 KT LATE. SEAS 4 FT
SUBSIDING TO 2 FT LATE.
.FRI...S WIND 10 KT INCREASING TO 20 KT IN THE AFTERNOON. SEAS
2 FT OR LESS BUILDING TO 4 FT IN THE AFTERNOON. 
.FRI NIGHT...S WIND 15 KT. SEAS 3 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 20 KT. SEAS 4 FT. 
.MON...N WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...N WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ012-212030-
NORTHERN LYNN CANAL-
1055 PM AKDT THU MAY 20 2010

UPDATED

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...S WIND 30 KT DIMINISHING TO 10 KT LATE. SEAS 6 FT
SUBSIDING TO 2 FT LATE. 
.FRI...S WIND INCREASING TO 20 KT IN THE AFTERNOON. SEAS 4 FT.
.FRI NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 25 KT. SEAS 5 FT. 
.MON...S WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...S WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ013-212030-
SOUTHERN LYNN CANAL-
621 PM AKDT THU MAY 20 2010

.TONIGHT...N WIND 20 KT BECOMING S 10 KT LATE. SEAS 4 FT
SUBSIDING TO 2 FT LATE.
.FRI...S WIND 10 KT BECOMING 20 KT IN THE AFTERNOON. SEAS 2 FT OR
LESS BUILDING TO 4 FT IN THE AFTERNOON.
.FRI NIGHT...S WIND 15 KT. SEAS 3 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 15 KT. SEAS 3 FT. 
.MON...N WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...N WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ021-212030-
ICY STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...W WIND 15 KT BECOMING SE LATE. SEAS 3 FT.
.FRI...SE WIND 10 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...SW WIND 15 KT. SEAS 3 FT. 
.MON...E WIND 15 KT. SEAS 3 FT. 
.TUE...NE WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ022-212030-
CROSS SOUND-
1055 PM AKDT THU MAY 20 2010

UPDATED

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...W WIND 30 KT BECOMING SE 20 KT LATE. SEAS 6 FT
SUBSIDING TO 4 FT LATE.
.FRI...E WIND 10 KT BECOMING W 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...SW WIND 15 KT. SEAS 3 FT. 
.MON...E WIND 15 KT. SEAS 6 FT. 
.TUE...NE WIND 10 KT. SEAS 4 FT. 

$$

PKZ031-212030-
STEPHENS PASSAGE-
621 PM AKDT THU MAY 20 2010

.REST OF TONIGHT...SE WIND 20 KT DIMINISHING LATE. SEAS 3 FT.
SHOWERS IN THE EVENING.
.FRI...S WIND INCREASING TO 15 KT IN THE AFTERNOON. SEAS 3 FT.
.FRI NIGHT...NW WIND 10 KT. SEAS 2 FT OR LESS. 
.SAT...NW WIND 15 KT. SEAS 3 FT. 
.SAT NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SUN...SE WIND 15 KT. SEAS 3 FT. 
.MON...SE WIND 15 KT. SEAS 3 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ032-212030-
NORTHERN CHATHAM STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...S WIND 15 KT. SEAS 3 FT.
.FRI...S WIND 10 KT. SEAS 2 FT OR LESS. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 15 KT. SEAS 3 FT. 
.MON...N WIND 15 KT. SEAS 3 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ033-212030-
SOUTHERN CHATHAM STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...SE WIND 20 KT. SEAS 4 FT. 
.FRI...SE WIND 15 KT BECOMING NW 10 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ034-212030-
FREDERICK SOUND-
621 PM AKDT THU MAY 20 2010

.REST OF TONIGHT...SE WIND 20 KT. SEAS 3 FT. SHOWERS IN THE
EVENING.
.FRI...NE WIND 10 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...NE WIND 15 KT. SEAS 3 FT. 

$$

PKZ035-212030-
SUMNER STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...E WIND 20 KT. SEAS 4 FT. 
.FRI...E WIND 15 KT BECOMING W 10 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...E WIND 20 KT. SEAS 4 FT. 
.MON...E WIND 20 KT. SEAS 4 FT. 
.TUE...NE WIND 15 KT. SEAS 3 FT. 

$$

PKZ036-212030-
CLARENCE STRAIT-
1030 PM AKDT THU MAY 20 2010

...GALE WARNING TONIGHT...

.TONIGHT...S WIND 35 KT DIMINISHING TO 20 KT LATE. SEAS 10 FT
SUBSIDING TO 6 FT LATE. 
.FRI...SE WIND 15 KT IN THE MORNING BECOMING LIGHT. SEAS 3 FT
IN THE MORNING THEN SUBSIDING. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...SE WIND 15 KT. SEAS 3 FT. 

$$
838 
FZAK51 PAJK 210833 AAD
CWFAJK

COASTAL WATERS FORECAST FOR SOUTHEAST ALASKA...UPDATED
NATIONAL WEATHER SERVICE JUNEAU AK
1230 AM AKDT FRI MAY 21 2010

SOUTHEAST ALASKA INSIDE WATERS FROM DIXON ENTRANCE TO SKAGWAY

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT.

PKZ098-212030-
621 PM AKDT THU MAY 20 2010
.SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS...
 A 994 MB LOW JUST EAST OF THE QUEEN CHARLOTTE ISLANDS WILL MOVE
NORTHWESTWARD INTO THE EASTERN GULF OF AK TONIGHT. LOW WILL
CONTINUE TO WEAKEN AS IT DRIFTS IN THE EASTERN GULF FRIDAY. A
RIDGE WILL BUILD IN THE CENTRAL GULF SATURDAY. 

$$

PKZ011-212030-
GLACIER BAY-
621 PM AKDT THU MAY 20 2010

.TONIGHT...N WIND 20 KT BECOMING SE 10 KT LATE. SEAS 4 FT
SUBSIDING TO 2 FT LATE.
.FRI...S WIND 10 KT INCREASING TO 20 KT IN THE AFTERNOON. SEAS
2 FT OR LESS BUILDING TO 4 FT IN THE AFTERNOON. 
.FRI NIGHT...S WIND 15 KT. SEAS 3 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 20 KT. SEAS 4 FT. 
.MON...N WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...N WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ012-212030-
NORTHERN LYNN CANAL-
1230 AM AKDT FRI MAY 21 2010

UPDATED

...GALE WARNING TONIGHT...

.REST OF TONIGHT...S WIND 35 KT WITH GUSTS TO 55 MPH DIMINISHING
TO 15 KTS LATE. SEAS 7 FT SUBSIDING TO 4 FT LATE. 
.FRI...S WIND INCREASING TO 20 KT IN THE AFTERNOON. SEAS 4 FT.
.FRI NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 25 KT. SEAS 5 FT. 
.MON...S WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...S WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ013-212030-
SOUTHERN LYNN CANAL-
621 PM AKDT THU MAY 20 2010

.TONIGHT...N WIND 20 KT BECOMING S 10 KT LATE. SEAS 4 FT
SUBSIDING TO 2 FT LATE.
.FRI...S WIND 10 KT BECOMING 20 KT IN THE AFTERNOON. SEAS 2 FT OR
LESS BUILDING TO 4 FT IN THE AFTERNOON.
.FRI NIGHT...S WIND 15 KT. SEAS 3 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 15 KT. SEAS 3 FT. 
.MON...N WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...N WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ021-212030-
ICY STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...W WIND 15 KT BECOMING SE LATE. SEAS 3 FT.
.FRI...SE WIND 10 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...SW WIND 15 KT. SEAS 3 FT. 
.MON...E WIND 15 KT. SEAS 3 FT. 
.TUE...NE WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ022-212030-
CROSS SOUND-
1055 PM AKDT THU MAY 20 2010

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...W WIND 30 KT BECOMING SE 20 KT LATE. SEAS 6 FT
SUBSIDING TO 4 FT LATE.
.FRI...E WIND 10 KT BECOMING W 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...SW WIND 15 KT. SEAS 3 FT. 
.MON...E WIND 15 KT. SEAS 6 FT. 
.TUE...NE WIND 10 KT. SEAS 4 FT. 

$$

PKZ031-212030-
STEPHENS PASSAGE-
621 PM AKDT THU MAY 20 2010

.REST OF TONIGHT...SE WIND 20 KT DIMINISHING LATE. SEAS 3 FT.
SHOWERS IN THE EVENING.
.FRI...S WIND INCREASING TO 15 KT IN THE AFTERNOON. SEAS 3 FT.
.FRI NIGHT...NW WIND 10 KT. SEAS 2 FT OR LESS. 
.SAT...NW WIND 15 KT. SEAS 3 FT. 
.SAT NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SUN...SE WIND 15 KT. SEAS 3 FT. 
.MON...SE WIND 15 KT. SEAS 3 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ032-212030-
NORTHERN CHATHAM STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...S WIND 15 KT. SEAS 3 FT.
.FRI...S WIND 10 KT. SEAS 2 FT OR LESS. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 15 KT. SEAS 3 FT. 
.MON...N WIND 15 KT. SEAS 3 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ033-212030-
SOUTHERN CHATHAM STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...SE WIND 20 KT. SEAS 4 FT. 
.FRI...SE WIND 15 KT BECOMING NW 10 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ034-212030-
FREDERICK SOUND-
621 PM AKDT THU MAY 20 2010

.REST OF TONIGHT...SE WIND 20 KT. SEAS 3 FT. SHOWERS IN THE
EVENING.
.FRI...NE WIND 10 KT BECOMING NW 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...NE WIND 15 KT. SEAS 3 FT. 

$$

PKZ035-212030-
SUMNER STRAIT-
621 PM AKDT THU MAY 20 2010

.TONIGHT...E WIND 20 KT. SEAS 4 FT. 
.FRI...E WIND 15 KT BECOMING W 10 KT IN THE AFTERNOON. SEAS
3 FT. 
.FRI NIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...E WIND 20 KT. SEAS 4 FT. 
.MON...E WIND 20 KT. SEAS 4 FT. 
.TUE...NE WIND 15 KT. SEAS 3 FT. 

$$

PKZ036-212030-
CLARENCE STRAIT-
1030 PM AKDT THU MAY 20 2010

...GALE WARNING TONIGHT...

.TONIGHT...S WIND 35 KT DIMINISHING TO 20 KT LATE. SEAS 10 FT
SUBSIDING TO 6 FT LATE. 
.FRI...SE WIND 15 KT IN THE MORNING BECOMING LIGHT. SEAS 3 FT
IN THE MORNING THEN SUBSIDING. 
.FRI NIGHT...NW WIND 15 KT. SEAS 3 FT. 
.SAT...NW WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...SE WIND 15 KT. SEAS 3 FT. 

$$
953 
FZAK51 PAJK 211135
CWFAJK

COASTAL WATERS FORECAST FOR SOUTHEAST ALASKA
NATIONAL WEATHER SERVICE JUNEAU AK
400 AM AKDT FRI MAY 21 2010 

SOUTHEAST ALASKA INSIDE WATERS FROM DIXON ENTRANCE TO SKAGWAY

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT THE AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WINDWAVE AND SWELL HEIGHT.

PKZ098-220100-
400 AM AKDT FRI MAY 21 2010 
.SYNOPSIS FOR SOUTHEAST ALASKA INNER CHANNELS COASTAL WATERS...
 A 1004 MB LOW IN THE SOUTHEASTERN GULF OF ALASKA WILL WEAKEN
AND MOVE TO THE SOUTHEAST FRIDAY AS A RIDGE OF HIGH PRESSURE
BUILDS INTO THE CENTRAL GULF THROUGH SATURDAY.  

$$

PKZ011-220100-
GLACIER BAY-
400 AM AKDT FRI MAY 21 2010 

.TODAY...S WIND INCREASING TO 20 KT IN THE AFTERNOON. SEAS 4 FT. 
.TONIGHT...S WIND 20 KT DIMINISHING LATE. SEAS 4 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 20 KT. SEAS 4 FT. 
.MON...N WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...N WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ012-220100-
NORTHERN LYNN CANAL-
400 AM AKDT FRI MAY 21 2010 

...SMALL CRAFT ADVISORY TODAY THROUGH TONIGHT...

.TODAY...S WIND 25 KT. SEAS 5 FT. 
.TONIGHT...S WIND 25 KT DIMINISHING TO 20 KT LATE. SEAS 5 FT. 
.SAT...S WIND INCREASING TO 25 KT IN THE AFTERNOON. SEAS 5 FT. 
.SAT NIGHT...S WIND 25 KT DIMINISHING LATE. SEAS 5 FT. 
.SUN...S WIND 25 KT. SEAS 5 FT. 
.MON...S WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...S WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ013-220100-
SOUTHERN LYNN CANAL-
400 AM AKDT FRI MAY 21 2010 

.TODAY...S WIND INCREASING TO 20 KT IN THE AFTERNOON. SEAS 4 FT. 
.TONIGHT...S WIND 20 KT DIMINISHING LATE. SEAS 4 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 15 KT. SEAS 3 FT. 
.MON...N WIND 10 KT. SEAS 2 FT OR LESS. 
.TUE...N WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ021-220100-
ICY STRAIT-
400 AM AKDT FRI MAY 21 2010 

.TODAY...E WIND 10 KT BECOMING SW 20 KT IN THE AFTERNOON. SEAS
4 FT. 
.TONIGHT...SW WIND 20 KT DIMINISHING LATE. SEAS 4 FT. 
.SAT...W WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 15 KT. SEAS 3 FT. 
.MON...E WIND 15 KT. SEAS 3 FT. 
.TUE...NE WIND 10 KT. SEAS 2 FT OR LESS. 

$$

PKZ022-220100-
CROSS SOUND-
400 AM AKDT FRI MAY 21 2010 

.TODAY...S WIND 10 KT BECOMING W 15 KT IN THE AFTERNOON. SEAS
3 FT. 
.TONIGHT...W WIND 15 KT. SEAS 3 FT. 
.SAT...W WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...W WIND 25 KT. SEAS 5 FT. 
.SUN...SW WIND 15 KT. SEAS 3 FT. 
.MON...E WIND 15 KT. SEAS 5 FT. 
.TUE...NE WIND 10 KT. SEAS 4 FT. 

$$

PKZ031-220100-
STEPHENS PASSAGE-
400 AM AKDT FRI MAY 21 2010 

.TODAY...S WIND INCREASING TO 15 KT IN THE AFTERNOON. SEAS 3 FT.
.TONIGHT...S WIND 15 KT. SEAS 3 FT. 
.SAT...S WIND 15 KT. SEAS 3 FT. 
.SAT NIGHT...S WIND 15 KT. SEAS 3 FT. 
.SUN...SE WIND 15 KT. SEAS 3 FT. 
.MON...SE WIND 15 KT. SEAS 3 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ032-220100-
NORTHERN CHATHAM STRAIT-
400 AM AKDT FRI MAY 21 2010 

.TODAY...SE WIND INCREASING TO 15 KT IN THE AFTERNOON. SEAS 3 FT.
.TONIGHT...S WIND 15 KT. SEAS 3 FT. 
.SAT...S WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...S WIND 20 KT. SEAS 4 FT. 
.SUN...S WIND 15 KT. SEAS 3 FT. 
.MON...N WIND 15 KT. SEAS 3 FT. 
.TUE...N WIND 15 KT. SEAS 3 FT. 

$$

PKZ033-220100-
SOUTHERN CHATHAM STRAIT-
400 AM AKDT FRI MAY 21 2010 

.TODAY...N WIND 15 KT DIMINISHING IN THE AFTERNOON. SEAS 3 FT. 
.TONIGHT...NW WIND INCREASING TO 20 KT LATE. SEAS 4 FT. 
.SAT...NW WIND 25 KT. SEAS 5 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...NE WIND 15 KT. SEAS 3 FT. 

$$

PKZ034-220100-
FREDERICK SOUND-
400 AM AKDT FRI MAY 21 2010 

.TODAY...SE WIND 15 KT BECOMING NW IN THE AFTERNOON. SEAS 3 FT.
.TONIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SAT...NW WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 3 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...NE WIND 15 KT. SEAS 3 FT. 

$$

PKZ035-220100-
SUMNER STRAIT-
400 AM AKDT FRI MAY 21 2010 

.TODAY...E WIND 15 KT BECOMING W 20 KT IN THE AFTERNOON. SEAS 4
FT.
.TONIGHT...W WIND 20 KT. SEAS 4 FT. 
.SAT...W WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...W WIND 20 KT. SEAS 4 FT. 
.SUN...E WIND 20 KT. SEAS 4 FT. 
.MON...E WIND 20 KT. SEAS 4 FT. 
.TUE...NE WIND 15 KT. SEAS 3 FT. 

$$

PKZ036-220100-
CLARENCE STRAIT-
400 AM AKDT FRI MAY 21 2010 

.TODAY...SE WIND 15 KT BECOMING NW IN THE AFTERNOON. SEAS 3 FT.
.TONIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SAT...NW WIND 20 KT. SEAS 4 FT. 
.SAT NIGHT...NW WIND 20 KT. SEAS 4 FT. 
.SUN...SE WIND 20 KT. SEAS 4 FT. 
.MON...SE WIND 20 KT. SEAS 4 FT. 
.TUE...SE WIND 15 KT. SEAS 3 FT. 

$$

What forecasters said that day

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

NWS Juneau, AK wrote its last area forecast discussion before this gale warning went out at May 20, 1:56 PM AKDT, 8 hours 34 minutes earlier.

Area forecast discussion, May 20, 1:56 PM AKDT, 8 hours 34 minutes before
SOUTHEAST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JUNEAU AK
156 PM AKDT THU MAY 20 2010

.SHORT TERM...LATEST SATELLITE AND SURFACE OBSERVATIONS REVEAL A
993 MB LOW CENTERED EAST OF THE CHARLOTTES ALONG THE BC COAST.
WEAK FRONTAL BAND EXTENDS ACROSS THE CHARLOTTES TO JUST SOUTH OF
THE PANHANDLE AND INTO BC. ALL OF THIS IS MOVING TO THE NW. OBS
SITES IN THE SOUTHERN PANHANDLE HAVE BEEN REPORTING MVFR CEILINGS
WITH SOME SCATTERED LIGHT RAIN SHOWERS SO FAR THIS MORNING. WINDS
HAVE ALSO BEEN A BIT BREEZY WITH WINDS AROUND 18 KT OUT OF THE SE
IN THE SOUTHERN PANHANDLE. ELSEWHERE SKIES HAVE BEEN PARTLY TO
MOSTLY CLOUDY WITH LIGHT WINDS THE EXCEPTION IS LYNN CANAL AND
SKAGWAY WHERE N WINDS OF 20 TO 30 KT HAVE BEEN BLOWING SINCE
DAYBREAK.

 FOR TONIGHT CLOUDS AND SHOWERS WILL INCREASE ACROSS THE NORTHERN
AND CENTRAL PANHANDLE TONIGHT AS THE WEAK FRONT LIFTS NORTHWARD.
AS IT DOES COME NORTH THE INCREASING DISTANCE FROM THE PARENT LOW
AND THE LOW WEAKENING WILL CAUSE THE FRONT TO START TO SHEAR
APART ACROSS THE NORTHERN PANHANDLE LATE TONIGHT. AS SUCH HAVE
NUMEROUS SHOWERS IN THE CENTRAL PANHANDLE THIS EVENING BUT THAT
REDUCES TO SCATTERED LATE ACROSS MOST OF THE AREA AS THE FRONT
MOVES NORTH AND WEAKENS. AS THE FRONT PASSES NORTHERLY WINDS IN
MOST N-S PASSAGES SHOULD WEAKEN AND SWITCH AROUND TO THE S
TONIGHT.

 FRIDAY IS LOOKING LIKE A DECENT DAY AS ONLY A FEW REMAINING
SHOWERS WILL BE IN THE AREA AS THE LOW WEAKENS AND MOVES SOUTH.
TEMPS WILL BE COOLER THEN TODAY AS INCREASED CLOUD COVER WILL
KEEP THE SOLAR RADIATION AT A LOWER VALUE. THROUGH BREAKS WILL BE
OPENING UP IN THE CLOUD DECK BY AFTERNOON PARTICULARLY OVER THE
NORTHERN PANHANDLE.

 FORECAST WAS UPDATED WITH A BLEND TO THE NAM AS IT APPEARED TO
DO THE BEST JOB REPRESENTING THE LOW COMING UP FROM THE SOUTH.
DID INCORPORATE A BIT OF THE SREF INTO THE FORECAST TO LOWER THE
CENTRAL PRESSURE A BIT AS OBS SEEMED TO INDICATED A SLIGHTLY
DEEPER LOW THEN THE NAM AND EC WERE SUGGESTING. FORECAST
CONFIDENCE IS ABOVE AVERAGE.

.LONG TERM...MODELS IN GOOD AGREEMENT ON THE MAIN FEATURES OVER
THE NEXT WEEK. A WEAK RIDGE WILL BUILD OVER THE AREA BEGINNING FRI
NIGHT AND REMAIN OVER THE AREA THRU SAT NIGHT. RIDGE WILL WEAKEN
AND DRIFT E SUN AS NEXT LOW MOVES ACROSS THE NE PAC...AND MODELS
NOW INDICATE THAT THIS LOW WILL MOVE INTO THE SRN/SERN GULF
INSTEAD OF REMAINING WELL S OF THE AREA. FLOW ALOFT WILL TURN TO
A MORE SELY DIRECTION BEGINNING SUN EVENING...AND WILL GENERALLY
REMAIN THIS WAY THRU THE END OF THE FORECAST PERIOD AS THE LOW
WOBBLES AROUND THE SRN/SERN GULF DURING THIS TIME. ENDED UP USING
THE 00Z ECMWF FOR THE FORECAST FRI NIGHT UNTIL 06Z MON...EXCEPT DID
BLEND IN SOME NAM12 FRI NIGHT. FOR 12Z MON ONWARD...USED HPC AS
MAIN BASIS FOR FORECAST AS THEY USED A GFS/EC BLEND WHICH WAS A
GOOD COMPROMISE FOR THE LOW POSITION SUN NIGHT INTO MIDWEEK.

AS RIDGE BUILDS IN FRI NIGHT...WARM ADVECTION WILL KEEP SOME
CLOUDS AND MAYBE A FEW SHOWERS AROUND THE SERN AREA BEFORE THEY
MOVE S OF THE AREA EARLY SAT MORNING. TRICKY PART OF FORECAST FOR
SAT AND SAT NIGHT WILL BE HOW MUCH CLOUD COVER THERE WILL BE WITH
A WEAK ONSHORE FLOW UNDERCUTTING AN OFFSHORE FLOW ABOVE. LOOKS
LIKE THE INNER CHANNELS WILL HAVE A GOOD CHANCE TO SEE SCATTERED
CLOUDS WHILE OUTER COAST HAS A BIT MORE CLOUD COVER SAT AND SAT NIGHT.

ON SUN...A SHEARING APART TROF WILL MOVE NE TO THE ERN GULF AND
LIKELY DISSIPATE ALONG THE COAST BY SUN AFTERNOON. THIS MAY HELP
TURN FLOW MORE SLY HOWEVER SO EXPECT MORE CLOUDS TO DEVELOP DURING
SUN FROM THE S. ALSO...CLOUDS FROM THE NEXT LOW WILL BEGIN TO MOVE
INTO THE SERN GULF SUN...THEN INTO THE SRN PANHANDLE SUN NIGHT.

BROUGHT IN HIGHER POPS TO THE SRN AREA MON INTO TUE WITH THE LOW
NOW EXPECTED TO BE CLOSER TO THE AREA. NRN AREAS WILL BE TRICKY TO
GET MUCH DUE TO A MORE OFFSHORE FLOW...UNLESS A MORE ORGANIZED
SHORTWAVE TROF MOVES INTO THAT AREA FROM THE SE. DID BRING CHANCE
POPS UP AS FAR N AS THE PAOH AREA HOWEVER AS THIS E-SE FLOW IS A
BIT MORE FAVORABLE FOR PRECIP ALONG THE ERN SIDE OF BARANOF AND
CHICHAGOF ISLANDS.

LOOKS LIKE THE LOW WILL WEAKEN AROUND MIDWEEK...WITH MODELS
DIFFERING ON WHERE THE REMNANT FEATURE GOES. THEY DO BUILD MORE
RIDGING INTO THE AREA FROM THE N HOWEVER...SO LOOKS LIKE THE
PRECIP THREAT WILL DECREASE AGAIN AROUND MIDWEEK.

.AJK WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...SMALL CRAFT ADVISORY FOR PKZ012-036-041>043.

&&

EAL/RWT

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 10:55 PM AKDTSmall Craft AdvisoryAJK5 hr
May 21, 12:30 AM AKDTGale WarningAJK4 hr
May 21, 4:00 AM AKDTSmall Craft AdvisoryAJK12 hr

Nearby

Gale Warnings in Alaska, 2010Every gale warning in 2010

Sources

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