Small Craft Advisory 147, NWS Anchorage, AK

632 
FZAK51 PAFC 182355
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
255 PM AKST SAT FEB 18 2017

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.

PKZ197-191300-
255 PM AKST SAT FEB 18 2017
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A 1004 MB LOW 60 NM SOUTH OF HOMER MOVES OVER HINCHINBROOK ISLAND
AT 1005 MB BY MON AFTERNOON. A WEAK TROUGH STRETCHES ACROSS THE
SOUTHERN GULF OF ALASKA THROUGH MON AFTERNOON.

$$

PKZ119-191300-
CAPE SUCKLING TO CAPE CLEARE-
255 PM AKST SAT FEB 18 2017

.TONIGHT...VARIABLE WIND 10 KT. SEAS 4 FT.
.SUN...W WIND 15 KT. SEAS 5 FT.
.SUN NIGHT...W WIND 20 KT. SEAS 6 FT.
.MON AND MON NIGHT...SW WIND 20 KT. SEAS 7 FT.
.TUE...SW WIND 20 KT. SEAS 6 FT.
.WED...E WIND 20 KT. SEAS 7 FT.
.THU...S WIND 20 KT. SEAS 7 FT.

$$

PKZ120-191300-
CAPE CLEARE TO GORE POINT-
255 PM AKST SAT FEB 18 2017

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

.TONIGHT...VARIABLE WIND 10 KT. SEAS 4 FT.
.SUN...W WIND 15 KT INCREASING TO 25 KT IN THE AFTERNOON. SEAS 6
FT.
.SUN NIGHT...W WIND 25 KT. SEAS 7 FT. FREEZING SPRAY NEAR THE
COAST.
.MON AND MON NIGHT...NW WIND 25 KT. SEAS 7 FT.
.TUE...W WIND 20 KT. SEAS 6 FT.
.WED...N WIND 20 KT. SEAS 8 FT.
.THU...S WIND 20 KT. SEAS 8 FT.

$$

PKZ121-191300-
RESURRECTION BAY-
255 PM AKST SAT FEB 18 2017

.TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.
.SUN...VARIABLE WIND LESS THAN 10 KT BECOMING N 10 KT IN THE
AFTERNOON. SEAS 2 FT.
.SUN NIGHT...N WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT.
GUSTS TO 25 KT NEAR SEWARD AFTER MIDNIGHT. SEAS 3 FT. FREEZING
SPRAY.
.MON...N WIND 20 KT. SEAS 4 FT.
.MON NIGHT...N WIND 15 KT. SEAS 3 FT.
.TUE THROUGH WED...N WIND 15 KT. SEAS 3 FT.
.THU...S WIND 15 KT. SEAS 3 FT.

$$

PKZ125-191300-
PRINCE WILLIAM SOUND-
255 PM AKST SAT FEB 18 2017

.TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.
.SUN...VARIABLE WIND LESS THAN 10 KT BECOMING NW 10 KT IN THE
AFTERNOON. SEAS 2 FT.
.SUN NIGHT...N WIND 10 KT. SEAS 2 FT.
.MON...N WIND 10 KT. SEAS 2 FT.
.MON NIGHT...N WIND 15 KT. SEAS 2 FT.
.TUE...N WIND 15 KT. SEAS 3 FT.
.WED...NE WIND 15 KT. SEAS 3 FT.
.THU...E WIND 10 KT. SEAS 2 FT.

$$

PKZ126-191300-
PORT VALDEZ-
255 PM AKST SAT FEB 18 2017

.TONIGHT...VARIABLE WIND LESS THAN 10 KT BECOMING NE 10 KT AFTER
MIDNIGHT. SEAS 2 FT.
.SUN...NE WIND 10 KT. SEAS 2 FT.
.SUN NIGHT...VARIABLE WIND LESS THAN 10 KT BECOMING NE 10 KT AFTER
MIDNIGHT. SEAS 2 FT.
.MON...NE WIND 15 KT. SEAS 3 FT.
.MON NIGHT...NE WIND 10 KT. SEAS 2 FT.
.TUE THROUGH THU...NE WIND 10 KT. SEAS 2 FT.

$$

PKZ127-191300-
VALDEZ NARROWS-
255 PM AKST SAT FEB 18 2017

.TONIGHT...N WIND 20 KT. SEAS 3 FT.
.SUN...N WIND 20 KT. SEAS 3 FT.
.SUN NIGHT...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY.
.MON...N WIND 20 KT. SEAS 3 FT.
.MON NIGHT...N WIND 15 KT. SEAS 3 FT.
.TUE THROUGH WED...NE WIND 15 KT. SEAS 3 FT.
.THU...NE WIND 10 KT. SEAS 2 FT.

$$

PKZ128-191300-
VALDEZ ARM-
255 PM AKST SAT FEB 18 2017

.TONIGHT...NE WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS
3 FT.
.SUN...NE WIND 15 KT. SEAS 3 FT.
.SUN NIGHT...NE WIND 10 KT. SEAS 2 FT.
.MON...NE WIND 15 KT. SEAS 3 FT.
.MON NIGHT...NE WIND 10 KT. SEAS 2 FT.
.TUE...NE WIND 10 KT. SEAS 2 FT.
.WED THROUGH THU...NE WIND 15 KT. SEAS 3 FT.

$$

PKZ129-191300-
PASSAGE CANAL-
255 PM AKST SAT FEB 18 2017

.TONIGHT...VARIABLE WIND 10 KT. SEAS 2 FT.
.SUN...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT.
.SUN NIGHT...VARIABLE WIND LESS THAN 10 KT BECOMING W AFTER
MIDNIGHT. SEAS 2 FT. SNOW.
.MON...W WIND 10 KT. SEAS 2 FT.
.MON NIGHT...W WIND 15 KT. SEAS 2 FT.
.TUE...W WIND 15 KT. SEAS 2 FT.
.WED...VARIABLE WIND 10 KT. SEAS 2 FT.
.THU...E WIND 10 KT. SEAS 2 FT.

$$

PKZ130-191300-
WEST OF BARREN ISLANDS INCLUDING KAMISHAK BAY-
255 PM AKST SAT FEB 18 2017

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

.TONIGHT...W WIND INCREASING TO 25 KT. SEAS 5 FT. FREEZING SPRAY.
.SUN...W WIND 30 KT. SEAS 9 FT. HEAVY FREEZING SPRAY.
.SUN NIGHT...W WIND 40 KT. SEAS 11 FT. HEAVY FREEZING SPRAY.
.MON...W WIND 40 KT. SEAS 11 FT.
.MON NIGHT...W WIND 35 KT. SEAS 10 FT.
.TUE...NE WIND 25 KT. SEAS 6 FT.
.WED...E WIND 20 KT. SEAS 5 FT.
.THU...S WIND 25 KT. SEAS 5 FT.

$$

PKZ131-191300-
BARREN ISLANDS EAST-
255 PM AKST SAT FEB 18 2017

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

.TONIGHT...W WIND 15 KT. SEAS 4 FT.
.SUN...NW WIND 25 KT. SEAS 6 FT. FREEZING SPRAY.
.SUN NIGHT...W WIND 30 KT. GUSTS TO 40 KT NEAR THE BARREN ISLANDS. SEAS
8 FT. FREEZING SPRAY.
.MON AND MON NIGHT...W WIND 30 KT. SEAS 8 FT.
.TUE...W WIND 25 KT. SEAS 7 FT.
.WED...W WIND 20 KT. SEAS 7 FT.
.THU...S WIND 25 KT. SEAS 9 FT.

$$

PKZ132-191300-
MARMOT ISLAND TO SITKINAK-
255 PM AKST SAT FEB 18 2017

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...NW WIND 15 KT. SEAS 5 FT.
.SUN...NW WIND 20 KT. SEAS 6 FT.
.SUN NIGHT...NW WIND 25 KT. SEAS 6 FT. FREEZING SPRAY NEAR THE
COAST.
.MON AND MON NIGHT...W WIND 25 KT. SEAS 6 FT.
.TUE...SW WIND 20 KT. SEAS 6 FT.
.WED...SW WIND 25 KT. SEAS 10 FT.
.THU...SW WIND 30 KT. SEAS 14 FT.

$$

PKZ136-191300-
CHINIAK BAY-
255 PM AKST SAT FEB 18 2017

.TONIGHT...NW WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS
2 FT.
.SUN...NW WIND 15 KT. SEAS 2 FT. 
.SUN NIGHT...NW WIND 15 KT. SEAS 2 FT. FREEZING SPRAY.
.MON AND MON NIGHT...W WIND 15 KT. SEAS 2 FT.
.TUE...S WIND 10 KT. SEAS 3 FT.
.WED...SW WIND 15 KT. SEAS 2 FT.
.THU...S WIND 20 KT. SEAS 3 FT.

$$

PKZ137-191300-
MARMOT BAY-
255 PM AKST SAT FEB 18 2017

.TONIGHT...W WIND 15 KT. SEAS 3 FT.
.SUN...W WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. SEAS
2 FT.
.SUN NIGHT...W WIND 15 KT. SEAS 2 FT. FREEZING SPRAY.
.MON...NW WIND 20 KT. SEAS 2 FT.
.MON NIGHT...W WIND 15 KT. SEAS 3 FT.
.TUE THROUGH WED...S WIND 15 KT. SEAS 4 FT.
.THU...S WIND 20 KT. SEAS 3 FT.

$$

PKZ138-191300-
SHELIKOF STRAIT-
255 PM AKST SAT FEB 18 2017

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

.TONIGHT...SW WIND 20 KT. SEAS 5 FT. FREEZING SPRAY.
.SUN...W WIND 25 KT. SEAS 5 FT. FREEZING SPRAY.
.SUN NIGHT...NW WIND 30 KT. SEAS 6 FT. HEAVY FREEZING SPRAY.
.MON...NW WIND 25 KT. SEAS 5 FT.
.MON NIGHT...W WIND 20 KT. SEAS 4 FT.
.TUE...NE WIND 15 KT. SEAS 4 FT.
.WED...SE WIND 20 KT. SEAS 4 FT.
.THU...S WIND 20 KT. SEAS 5 FT.

$$

PKZ139-191300-
COOK INLET KALGIN ISLAND TO POINT BEDE-
255 PM AKST SAT FEB 18 2017

...HEAVY FREEZING SPRAY WARNING SUNDAY NIGHT...

.TONIGHT...W WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS
3 FT.
.SUN...W WIND 15 KT. SEAS 3 FT.
.SUN NIGHT...W WIND 20 KT. SEAS 3 FT. HEAVY FREEZING SPRAY.
.MON AND MON NIGHT...NW WIND 15 KT. SEAS 3 FT.
.TUE THROUGH WED...NE WIND 20 KT. SEAS 5 FT.
.THU...SE WIND 15 KT. SEAS 3 FT.

$$

PKZ140-191300-
COOK INLET NORTH OF KALGIN ISLAND-
255 PM AKST SAT FEB 18 2017

.TONIGHT...VARIABLE WIND LESS THAN 10 KT.
.SUN...W WIND 10 KT.
.SUN NIGHT...W WIND 10 KT IN THE EVENING BECOMING VARIABLE LESS
THAN 10 KT.
.MON...VARIABLE WIND LESS THAN 10 KT.
.MON NIGHT...N WIND 10 KT.
.TUE THROUGH WED...N WIND 15 KT.
.THU...NE WIND 10 KT.

$$

PKZ141-191300-
KACHEMAK BAY-
255 PM AKST SAT FEB 18 2017

.TONIGHT...SW WIND 10 KT. SEAS 3 FT.
.SUN...SW WIND 15 KT. SEAS 4 FT.
.SUN NIGHT...SW WIND 15 KT. SEAS 4 FT. FREEZING SPRAY.
.MON...W WIND 15 KT. SEAS 4 FT.
.MON NIGHT...NW WIND 10 KT. SEAS 3 FT.
.TUE THROUGH WED...NE WIND 15 KT. SEAS 3 FT.
.THU...SE WIND 10 KT. SEAS 2 FT.

$$

686 
FZAK51 PAFC 191221
CWFAER

COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA
321 AM AKST SUN FEB 19 2017

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.

PKZ197-200115-
321 AM AKST SUN FEB 19 2017
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...
A 1003 MB LOW NEAR WHITTIER DRIFTS TO 25 NM EAST OF WHITTIER AT
1004 MB LATE TONIGHT...THEN DRIFTS TO 50 NM EAST OF CHENEGA AT
1009 MB LATE MON NIGHT.

$$

PKZ119-200115-
CAPE SUCKLING TO CAPE CLEARE-
321 AM AKST SUN FEB 19 2017

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...VARIABLE WIND 10 KT BECOMING W 20 KT IN THE AFTERNOON.
SEAS 5 FT.
.TONIGHT...W WIND 20 KT. SEAS 6 FT.
.MON...W WIND 25 KT. SEAS 7 FT.
.MON NIGHT...SW WIND 20 KT. SEAS 7 FT.
.TUE...NW WIND 15 KT. SEAS 6 FT.
.WED...E WIND 20 KT. SEAS 6 FT.
.THU...SW WIND 15 KT. SEAS 6 FT.

$$

PKZ120-200115-
CAPE CLEARE TO GORE POINT-
321 AM AKST SUN FEB 19 2017

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...W WIND 10 KT INCREASING TO 25 KT IN THE AFTERNOON. 
SEAS 6 FT.
.TONIGHT...W WIND 25 KT. SEAS 7 FT. FREEZING SPRAY.
.MON...W WIND 25 KT. SEAS 8 FT. FREEZING SPRAY.
.MON NIGHT...NW WIND 25 KT. SEAS 8 FT.
.TUE...NW WIND 20 KT. SEAS 6 FT.
.WED...N WIND 15 KT. SEAS 6 FT.
.THU...SW WIND 20 KT. SEAS 7 FT.

$$

PKZ121-200115-
RESURRECTION BAY-
321 AM AKST SUN FEB 19 2017

.TODAY...VARIABLE WIND LESS THAN 10 KT BECOMING N 10 KT 
IN THE AFTERNOON. SEAS 2 FT.
.TONIGHT...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY.
.MON...N WIND 20 KT. SEAS 4 FT. FREEZING SPRAY.
.MON NIGHT...N WIND 25 KT. SEAS 5 FT.
.TUE...N WIND 20 KT. SEAS 4 FT.
.WED...N WIND 15 KT. SEAS 3 FT.
.THU...S WIND 15 KT. SEAS 3 FT.

$$

PKZ125-200115-
PRINCE WILLIAM SOUND-
321 AM AKST SUN FEB 19 2017

.TODAY...VARIABLE WIND TO 10 KT. SEAS 2 FT.
.TONIGHT...NW WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. 
SEAS 2 FT.
.MON...NW WIND 15 KT. GUSTS TO 25 KT OUT OF BAYS AND PASSES. 
SEAS 3 FT.
.MON NIGHT AND TUE...N WIND 15 KT. SEAS 3 FT.
.WED...NE WIND 15 KT. SEAS 3 FT.
.THU...E WIND 10 KT. SEAS 2 FT.

$$

PKZ126-200115-
PORT VALDEZ-
321 AM AKST SUN FEB 19 2017

.TODAY...NE WIND 10 KT IN THE MORNING BECOMING VARIABLE 
LESS THAN 10 KT. SEAS 2 FT.
.TONIGHT THROUGH THU...NE WIND 10 KT. SEAS 2 FT.

$$

PKZ127-200115-
VALDEZ NARROWS-
321 AM AKST SUN FEB 19 2017

.TODAY...N WIND 15 KT. SEAS 2 FT. FREEZING SPRAY.
.TONIGHT AND MON...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY.
.MON NIGHT THROUGH WED...N WIND 15 KT. SEAS 3 FT.
.THU...N WIND 10 KT. SEAS 2 FT.

$$

PKZ128-200115-
VALDEZ ARM-
321 AM AKST SUN FEB 19 2017

.TODAY...NE WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. 
SEAS 3 FT.
.TONIGHT...NE WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. 
SEAS 3 FT.
.MON...NE WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. 
SEAS 3 FT. FREEZING SPRAY.
.MON NIGHT...NE WIND 15 KT. SEAS 3 FT.
.TUE...NE WIND 10 KT. SEAS 2 FT.
.WED THROUGH THU...NE WIND 15 KT. SEAS 3 FT.

$$

PKZ129-200115-
PASSAGE CANAL-
321 AM AKST SUN FEB 19 2017

.TODAY...VARIABLE WIND LESS THAN 10 KT. SEAS 1 FT.
.TONIGHT...W WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. 
GUSTS TO 25 KT NEAR WHITTIER TOWARD MORNING. SEAS 2 FT. 
FREEZING SPRAY.
.MON...W WIND 15 KT. GUSTS TO 25 KT NEAR WHITTIER. 
SEAS 2 FT. FREEZING SPRAY.
.MON NIGHT...W WIND 20 KT. SEAS 3 FT.
.TUE...W WIND 15 KT. SEAS 2 FT.
.WED...W WIND 10 KT. SEAS 2 FT.
.THU...E WIND 10 KT. SEAS 2 FT.

$$

PKZ130-200115-
WEST OF BARREN ISLANDS INCLUDING KAMISHAK BAY-
321 AM AKST SUN FEB 19 2017

...GALE WARNING THROUGH MONDAY...
...HEAVY FREEZING SPRAY WARNING THROUGH MONDAY...

.TODAY...W WIND INCREASING TO 35 KT. SEAS 10 FT. 
HEAVY FREEZING SPRAY.
.TONIGHT AND MON...W WIND 40 KT. SEAS 14 FT. HEAVY FREEZING
SPRAY.
.MON NIGHT...W WIND 35 KT. SEAS 13 FT.
.TUE...NE WIND 20 KT. SEAS 6 FT.
.WED...SE WIND 20 KT. SEAS 5 FT.
.THU...S WIND 20 KT. SEAS 5 FT.

$$

PKZ131-200115-
BARREN ISLANDS EAST-
321 AM AKST SUN FEB 19 2017

...GALE WARNING MONDAY...

.TODAY...W WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. 
SEAS 6 FT. FREEZING SPRAY.
.TONIGHT...W WIND 30 KT. SEAS 8 FT. FREEZING SPRAY.
.MON...W WIND 35 KT. SEAS 12 FT. FREEZING SPRAY.
.MON NIGHT...W WIND 35 KT. SEAS 12 FT.
.TUE...W WIND 25 KT. SEAS 7 FT.
.WED...SW WIND 20 KT. SEAS 6 FT.
.THU...S WIND 25 KT. SEAS 7 FT.

$$

PKZ132-200115-
MARMOT ISLAND TO SITKINAK-
321 AM AKST SUN FEB 19 2017

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...NW WIND INCREASING TO 20 KT. SEAS 5 FT. FREEZING SPRAY.
.TONIGHT...NW WIND 20 KT. SEAS 6 FT. FREEZING SPRAY.
.MON...NW WIND 25 KT. SEAS 6 FT. FREEZING SPRAY.
.MON NIGHT...W WIND 25 KT. SEAS 6 FT.
.TUE THROUGH THU...SW WIND 25 KT. SEAS 11 FT.

$$

PKZ136-200115-
CHINIAK BAY-
321 AM AKST SUN FEB 19 2017

.TODAY...NW WIND INCREASING TO 15 KT. SEAS 2 FT. FREEZING SPRAY.
.TONIGHT...NW WIND 15 KT. SEAS 2 FT. FREEZING SPRAY.
.MON...NW WIND 20 KT. SEAS 3 FT. FREEZING SPRAY.
.MON NIGHT...W WIND 15 KT. SEAS 2 FT.
.TUE...S WIND 15 KT. SEAS 2 FT.
.WED...SW WIND 10 KT. SEAS 1 FT.
.THU...SW WIND 15 KT. SEAS 2 FT.

$$

PKZ137-200115-
MARMOT BAY-
321 AM AKST SUN FEB 19 2017

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...W WIND 15 KT. SEAS 3 FT.
.TONIGHT...NW WIND 20 KT. SEAS 4 FT. FREEZING SPRAY.
.MON...W WIND 25 KT. SEAS 5 FT. FREEZING SPRAY.
.MON NIGHT...W WIND 20 KT. SEAS 4 FT.
.TUE...SE WIND 10 KT. SEAS 3 FT.
.WED...SW WIND 10 KT. SEAS 2 FT.
.THU...S WIND 15 KT. SEAS 3 FT.

$$

PKZ138-200115-
SHELIKOF STRAIT-
321 AM AKST SUN FEB 19 2017

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

.TODAY...NW WIND 25 KT. SEAS 5 FT. FREEZING SPRAY.
.TONIGHT...NW WIND 30 KT. SEAS 6 FT. HEAVY FREEZING SPRAY.
.MON...NW WIND 35 KT. SEAS 7 FT. HEAVY FREEZING SPRAY.
.MON NIGHT...W WIND 25 KT. SEAS 5 FT.
.TUE...NE WIND 20 KT. SEAS 4 FT.
.WED...SW WIND 15 KT. SEAS 4 FT.
.THU...S WIND 20 KT. SEAS 5 FT.

$$

PKZ139-200115-
COOK INLET KALGIN ISLAND TO POINT BEDE-
321 AM AKST SUN FEB 19 2017

...HEAVY FREEZING SPRAY WARNING TONIGHT AND MONDAY...

.TODAY...SW WIND 20 KT. SEAS 5 FT. FREEZING SPRAY.
.TONIGHT...W WIND 20 KT. SEAS 5 FT. HEAVY FREEZING SPRAY.
.MON...NW WIND 20 KT. SEAS 4 FT. HEAVY FREEZING SPRAY.
.MON NIGHT...NW WIND 15 KT. SEAS 3 FT.
.TUE THROUGH WED...NE WIND 20 KT. SEAS 5 FT.
.THU...SE WIND 15 KT. SEAS 3 FT.

$$

PKZ140-200115-
COOK INLET NORTH OF KALGIN ISLAND-
321 AM AKST SUN FEB 19 2017

.TODAY...SW WIND 10 KT. PATCHY FREEZING FOG.
.TONIGHT...W WIND 10 KT IN THE EVENING BECOMING VARIABLE 
LESS THAN 10 KT.
.MON...VARIABLE WIND LESS THAN 10 KT.
.MON NIGHT...NW WIND 10 KT.
.TUE THROUGH WED...NE WIND 10 KT.
.THU...SE WIND 10 KT.

$$

PKZ141-200115-
KACHEMAK BAY-
321 AM AKST SUN FEB 19 2017

...HEAVY FREEZING SPRAY WARNING MONDAY...

.TODAY...SW WIND 20 KT. SEAS 5 FT. FREEZING SPRAY.
.TONIGHT...SW WIND 20 KT. SEAS 5 FT. FREEZING SPRAY.
.MON...W WIND 15 KT. SEAS 4 FT. HEAVY FREEZING SPRAY.
.MON NIGHT...NW WIND 15 KT. SEAS 3 FT.
.TUE THROUGH WED...E WIND 15 KT. SEAS 2 FT.
.THU...S WIND 10 KT. SEAS 2 FT.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
442 PM AKST Fri Feb 17 2017

.ANALYSIS AND UPPER LEVELS...
There is a negatively tilted upper level trough over southern
Alaska moving towards the northeast. Snow is accompanying this
trough over south central Alaska and some showers are lingering
behind the trough over southwest Alaska. This trough is associated
with a nearly stationary upper level low over northwest Alaska.
Weak ridging is over the Bering Sea and much of the Aleutians,
with considerable clouds and some showers in the low level
unstable northerly flow. There is a weak upper low just south of
the eastern Aleutians moving towards the east. A front is moving
into the western Aleutians from the southwest, associated with an
upper low near the Kamchatka peninsula.

&&

.MODEL DISCUSSION...
The numerical models are in good agreement. There are the usual
differences in timing and amount of precipitation which lowers the
forecast confidence to near or possibly just above normal.

&&

.AVIATION...
PANC...MVFR conditions in snow are expected tonight as an upper
level trough moves through the area. Brief IFR conditions are also
possible. Conditions are expected to improve to VFR during the
early morning hours as the trough moves north.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...
The negatively tilted upper trough now lifting northward across
the Cook Inlet region will bring another round of accumulating
snow to Southcentral AK this evening before a somewhat quieter
pattern takes hold for the rest of the weekend. The trough will
draw on ample moisture and instability as noted on Anchorage's
afternoon sounding to produce a window of moderate snowfall
through late this evening. Several additional inches of snow will
be possible across the upper Cook Inlet region, with the highest
amounts along a corridor from Anchorage northward through Wasilla
and Willow. The Palmer area will likely see lower amounts as
unfavorable southerly flow limits snowfall through the evening
until the trough moves through later tonight. Snow will rapidly
taper off with the passage of the trough, leaving Southcentral
in a more benign showery regime in southwest flow for the
remainder of the weekend. Another weak wave moving up Cook Inlet
late Saturday may provide an opportunity to once again enhance
snow shower activity, but little if any additional accumulation
is expected at this time.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)...
The weak low pressure system positioned the Bristol Bay interior
continues to fill before dissipating heading into this weekend.
This synoptic feature will produce scattered snow showers before
diminishing along the Aleutian/Alaska Range through Saturday.
While the Kuskokwim Delta has an upper level closed low dropping
down into Norton Sound region with the associated shortwave
swinging through the Kuskokwim Delta through Saturday. This
brings in cooler air to the aforementioned region, and combined
with the northerly winds will produce wind chill issues.
Therefore, a Winter Weather Advisory for Wind Chills is in effect
from late this evening tonight through Saturday morning for the
Kuskokwim Delta. Look for the wind chill temperatures to range
from minus 35 below to 45 below. As this shortwave continues to
move from west to east through the rest of the Southwest Alaska
region by Sunday. This results in a cooling trend through the
weekend before a warming trend by Monday as an upstream ridge of
high pressure moves into the Southwest Alaska coastline.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)...
The Bering Sea/Aleutians remain under the influence of northerly
to northeasterly flow before the next pattern change by Saturday.
While an upper level ridge builds into the Western Aleutians, and
moves eastward through the weekend. Meanwhile. a storm force low
develops just west of the Kamchatka Peninsula with the associated
weather front approaching the Western Aleutians by Saturday
afternoon. This front swings through the western Bering, and
tracks northward into the Eastern Siberian region. Then, a rapidly
intensifying storm force low develops south of the Western
Aleutians by Sunday afternoon. The frontal boundary with this
system brings storm force southeasterly to easterly winds through
the aforementioned region by Sunday evening. This synoptic feature
brings warmer temperatures accompanied by a large swath of
moisture to the Western Aleutians/Bering Sea.

&&

.LONG TERM FORECAST (Days 3 through 7)...

Beginning the long term forecast Sunday evening, a large arctic
trough will be in the process of digging into southern Alaska.
Rather cold 850 hpa temperatures as low as -25 C will push into
southwest Alaska with those colder temperatures infiltrating into
Southcentral slowly through Tuesday. This will push temperatures
below average region wide until temperatures begin to warm
Wednesday. Meanwhile, over the Bering, a powerful storm force low
will move into the Western Bering Sea Sunday night and Monday
followed by a another large low Tuesday through Wednesday night.
Eventually the associated fronts will move east into southern
Alaska by midweek, bringing increased chances for snow...then
eventually rain and snow as temperatures warm dramatically by the
end of the week.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...Wind Chill Advisory 155.
MARINE...Heavy Freezing Spray 165 179 185 412 414.

&&

SYNOPSIS AND MODEL DISCUSSION...BL
SOUTHCENTRAL ALASKA...CB
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...PD
LONG TERM...JA

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ANCHORAGE AK
1001 PM AKST FRI FEB 17 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 PM     SNOW             2 SE EAGLE RIVER        61.30N 149.52W
02/17/2017  M6.0 INCH                           AK   NWS EMPLOYEE

            6 INCHES IN THE LAST 8 HOURS. LIGHT SNOW ONGOING. CALM
            WINDS.

&&

JPW

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ANCHORAGE AK
1102 PM AKST FRI FEB 17 2017

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1100 PM     SNOW             1 E EAGLE RIVER         61.32N 149.54W
02/17/2017  M7.0 INCH                           AK   NWS EMPLOYEE

            LARGE FLAKES FALLING. 5 INCHES IN 2.5 HOURS. 7 INCHES
            STORM TOTAL.

&&

JPW