Alert archive / Alaska / Small Craft Advisories in 2016
Small Craft Advisory 987, NWS Anchorage, AK
NWS Anchorage, AK issued this small craft advisory at Dec 11, 2016, 4:00 AM AKST. It was in force for 36 hr.
The area
The counties it named.
The facts
- Issued
- Dec 11, 2016, 4:00 AM AKST (13:00 UTC)
- Expired
- Dec 12, 2016, 3:33 PM AKST
- In force
- 36 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted.
913 FZAK51 PAFC 111300 CWFAER COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 400 AM AKST SUN DEC 11 2016 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. PKZ197-120145- 400 AM AKST SUN DEC 11 2016 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET... A SERIES OF WEAK TROUGHS WILL PASS THROUGH THE NORTH GULF THROUGH MON NIGHT. $$ PKZ119-120145- CAPE SUCKLING TO CAPE CLEARE- 400 AM AKST SUN DEC 11 2016 .TODAY...NE WIND 15 KT. SEAS 5 FT. .TONIGHT...NW WIND 15 KT. SEAS 4 FT. .MON...NW WIND 15 KT. SEAS 3 FT. .MON NIGHT...NW WIND 20 KT. SEAS 3 FT. .TUE...NW WIND 20 KT. SEAS 5 FT. .WED THROUGH THU...NW WIND 15 KT. SEAS 7 FT. $$ PKZ120-120145- CAPE CLEARE TO GORE POINT- 400 AM AKST SUN DEC 11 2016 .TODAY...NE WIND 15 KT IN THE MORNING BECOMING VARIABLE 10 KT. SEAS 5 FT. .TONIGHT...W WIND 15 KT. SEAS 4 FT. .MON...W WIND 20 KT. SEAS 4 FT. .MON NIGHT...W WIND 20 KT. SEAS 4 FT. .TUE...W WIND 20 KT. SEAS 5 FT. .WED...NW WIND 15 KT. SEAS 6 FT. .THU...W WIND 20 KT. SEAS 8 FT. $$ PKZ121-120145- RESURRECTION BAY- 400 AM AKST SUN DEC 11 2016 .TODAY...N WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. SEAS 3 FT. FREEZING SPRAY. .TONIGHT...N WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS 3 FT. FREEZING SPRAY. .MON...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .MON NIGHT...N WIND 15 KT. SEAS 3 FT. .TUE...N WIND 20 KT. SEAS 4 FT. .WED...N WIND 15 KT. SEAS 3 FT. .THU...N WIND 20 KT. SEAS 4 FT. $$ PKZ125-120145- PRINCE WILLIAM SOUND- 400 AM AKST SUN DEC 11 2016 .TODAY...N WIND 10 KT. SEAS 2 FT. .TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON NIGHT...N WIND 10 KT. SEAS 2 FT. .TUE THROUGH THU...N WIND 10 KT. SEAS 2 FT. $$ PKZ126-120145- PORT VALDEZ- 400 AM AKST SUN DEC 11 2016 .TODAY...NE WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TONIGHT...NE WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. SEAS 3 FT. FREEZING SPRAY. .MON...NE WIND 10 KT. SEAS 2 FT. .MON NIGHT...NE WIND 15 KT. SEAS 3 FT. .TUE...NE WIND 15 KT. SEAS 3 FT. .WED THROUGH THU...NE WIND 10 KT. SEAS 2 FT. $$ PKZ127-120145- VALDEZ NARROWS- 400 AM AKST SUN DEC 11 2016 ...HEAVY FREEZING SPRAY WARNING TONIGHT... ...SMALL CRAFT ADVISORY THROUGH MONDAY... .TODAY...NE WIND 25 KT. SEAS 3 FT. FREEZING SPRAY. .TONIGHT...NE WIND 25 KT. SEAS 3 FT. HEAVY FREEZING SPRAY. .MON...NE WIND 25 KT. SEAS 3 FT. FREEZING SPRAY. .MON NIGHT...NE WIND 25 KT. SEAS 3 FT. .TUE...NE WIND 30 KT. SEAS 3 FT. .WED THROUGH THU...NE WIND 25 KT. SEAS 3 FT. $$ PKZ128-120145- VALDEZ ARM- 400 AM AKST SUN DEC 11 2016 .TODAY...NE WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TONIGHT...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .MON...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .MON NIGHT...NE WIND 15 KT. SEAS 3 FT. .TUE THROUGH THU...NE WIND 15 KT. SEAS 3 FT. $$ PKZ129-120145- PASSAGE CANAL- 400 AM AKST SUN DEC 11 2016 .TODAY...W WIND 10 KT. SEAS 2 FT. .TONIGHT...W WIND 10 KT. SEAS 2 FT. .MON...W WIND 15 KT. SEAS 2 FT. FREEZING SPRAY. .MON NIGHT...W WIND 15 KT. SEAS 2 FT. .TUE...W WIND 15 KT. SEAS 2 FT. .WED THROUGH THU...W WIND 10 KT. SEAS 2 FT. $$ PKZ130-120145- WEST OF BARREN ISLANDS INCLUDING KAMISHAK BAY- 400 AM AKST SUN DEC 11 2016 .TODAY...N WIND 15 KT. SEAS 4 FT. FREEZING SPRAY. .TONIGHT...VARIABLE WIND 10 KT. SEAS 3 FT. .MON...VARIABLE WIND 10 KT. SEAS 3 FT. .MON NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. .TUE THROUGH WED...N WIND 15 KT. SEAS 3 FT. .THU...W WIND 20 KT. SEAS 5 FT. $$ PKZ131-120145- BARREN ISLANDS EAST- 400 AM AKST SUN DEC 11 2016 .TODAY...NE WIND 20 KT IN THE MORNING BECOMING VARIABLE 10 KT. SEAS 6 FT. .TONIGHT...W WIND 20 KT. SEAS 4 FT. .MON...W WIND 20 KT. SEAS 4 FT. .MON NIGHT...W WIND 20 KT. SEAS 4 FT. .TUE...W WIND 20 KT. SEAS 7 FT. .WED...W WIND 15 KT. SEAS 7 FT. .THU...W WIND 20 KT. SEAS 8 FT. $$ PKZ132-120145- MARMOT ISLAND TO SITKINAK- 400 AM AKST SUN DEC 11 2016 .TODAY...N WIND 20 KT. SEAS 6 FT. .TONIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. .MON...W WIND 20 KT. SEAS 5 FT. .MON NIGHT...SW WIND 20 KT. SEAS 5 FT. .TUE THROUGH THU...W WIND 15 KT. SEAS 9 FT. $$ PKZ136-120145- CHINIAK BAY- 400 AM AKST SUN DEC 11 2016 .TODAY...NW WIND 15 KT. SEAS 2 FT. .TONIGHT...NW WIND 10 KT IN THE EVENING BECOMING VARIABLE LESS THAN 10 KT. SEAS 2 FT. .MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON NIGHT...SW WIND 10 KT. SEAS 1 FOOT. .TUE THROUGH THU...W WIND 10 KT. SEAS 2 FT. $$ PKZ137-120145- MARMOT BAY- 400 AM AKST SUN DEC 11 2016 .TODAY...NW WIND 15 KT DIMINISHING TO 10 KT IN THE AFTERNOON. SEAS 2 FT. .TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON...W WIND 10 KT. SEAS 2 FT. .MON NIGHT...SW WIND 10 KT. SEAS 2 FT. .TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .WED THROUGH THU...W WIND 10 KT. SEAS 2 FT. $$ PKZ138-120145- SHELIKOF STRAIT- 400 AM AKST SUN DEC 11 2016 .TODAY...N WIND 15 KT. SEAS 2 FT. .TONIGHT...VARIABLE WIND 10 KT. SEAS 3 FT. .MON...SW WIND 15 KT. SEAS 3 FT. .MON NIGHT...SW WIND 15 KT. SEAS 3 FT. .TUE...S WIND 15 KT. SEAS 3 FT. .WED...VARIABLE WIND 10 KT. SEAS 3 FT. .THU...W WIND 15 KT. SEAS 4 FT. $$ PKZ139-120145- COOK INLET KALGIN ISLAND TO POINT BEDE- 400 AM AKST SUN DEC 11 2016 .TODAY...N WIND 15 KT BECOMING NE 10 KT IN THE AFTERNOON. SEAS 3 FT. .TONIGHT...NE WIND 10 KT IN THE EVENING BECOMING VARIABLE LESS THAN 10 KT. SEAS 2 FT. .MON...VARIABLE WIND LESS THAN 10 KT BECOMING N 10 KT IN THE AFTERNOON. SEAS 2 FT. .MON NIGHT...N WIND 10 KT. SEAS 2 FT. .TUE THROUGH WED...N WIND 15 KT. SEAS 3 FT. .THU...NW WIND 15 KT. SEAS 3 FT. $$ PKZ140-120145- COOK INLET NORTH OF KALGIN ISLAND- 400 AM AKST SUN DEC 11 2016 .TODAY...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. .TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FREEZING FOG. .MON...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FREEZING FOG. .MON NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. .TUE THROUGH WED...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. .THU...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. $$ PKZ141-120145- KACHEMAK BAY- 400 AM AKST SUN DEC 11 2016 .TODAY...NE WIND 10 KT. SEAS 2 FT. .TONIGHT...N WIND 10 KT IN THE EVENING BECOMING VARIABLE LESS THAN 10 KT. SEAS 2 FT. .MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .TUE THROUGH WED...N WIND 10 KT. SEAS 3 FT. .THU...W WIND 10 KT. SEAS 3 FT. $$
3 follow-up statements
307 FZAK51 PAFC 120029 CWFAER COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 329 PM AKST SUN DEC 11 2016 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. PKZ197-121300- 329 PM AKST SUN DEC 11 2016 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET... A SERIES OF WEAK TROUGHS WILL PASS THROUGH THE NORTH GULF THROUGH TUE. $$ PKZ119-121300- CAPE SUCKLING TO CAPE CLEARE- 329 PM AKST SUN DEC 11 2016 .TONIGHT...VARIABLE WIND 10 KT. SEAS 3 FT. .MON...NW WIND 15 KT. SEAS 3 FT. .MON NIGHT...NW WIND 20 KT. SEAS 4 FT. .TUE...NW WIND 20 KT. SEAS 5 FT. .TUE NIGHT...N WIND 15 KT. SEAS 5 FT. .WED...N WIND 15 KT. SEAS 6 FT. .THU THROUGH FRI...NW WIND 15 KT. SEAS 8 FT. $$ PKZ120-121300- CAPE CLEARE TO GORE POINT- 329 PM AKST SUN DEC 11 2016 .TONIGHT...W WIND 15 KT. SEAS 3 FT. .MON...W WIND 20 KT. SEAS 4 FT. .MON NIGHT...W WIND 20 KT. SEAS 5 FT. .TUE...W WIND 20 KT. SEAS 5 FT. .TUE NIGHT...NW WIND 15 KT. SEAS 5 FT. .WED...NW WIND 15 KT. SEAS 6 FT. .THU THROUGH FRI...W WIND 20 KT. SEAS 9 FT. $$ PKZ121-121300- RESURRECTION BAY- 329 PM AKST SUN DEC 11 2016 .TONIGHT...N WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS 3 FT. FREEZING SPRAY AFTER MIDNIGHT. .MON...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .MON NIGHT...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TUE...N WIND 20 KT. SEAS 4 FT. .TUE NIGHT...N WIND 15 KT. SEAS 3 FT. .WED...N WIND 15 KT. SEAS 3 FT. .THU...N WIND 20 KT. SEAS 4 FT. .FRI...N WIND 15 KT. SEAS 3 FT. $$ PKZ125-121300- PRINCE WILLIAM SOUND- 329 PM AKST SUN DEC 11 2016 .TONIGHT...N WIND 10 KT. SEAS 2 FT. .MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .TUE AND TUE NIGHT...N WIND 10 KT. SEAS 2 FT. .WED THROUGH FRI...N WIND 10 KT. SEAS 2 FT. $$ PKZ126-121300- PORT VALDEZ- 329 PM AKST SUN DEC 11 2016 .TONIGHT...NE WIND 15 KT DIMINISHING TO 10 KT AFTER MIDNIGHT. SEAS 3 FT. FREEZING SPRAY IN THE EVENING. .MON...NE WIND 10 KT. SEAS 2 FT. .MON NIGHT...NE WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS 3 FT. FREEZING SPRAY AFTER MIDNIGHT. .TUE AND TUE NIGHT...NE WIND 15 KT. SEAS 3 FT. .WED...NE WIND 15 KT. SEAS 3 FT. .THU THROUGH FRI...NE WIND 10 KT. SEAS 2 FT. $$ PKZ127-121300- VALDEZ NARROWS- 329 PM AKST SUN DEC 11 2016 ...HEAVY FREEZING SPRAY WARNING THROUGH MONDAY... ...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT... .TONIGHT...NE WIND 30 KT. SEAS 3 FT. HEAVY FREEZING SPRAY. .MON...NE WIND 30 KT. SEAS 3 FT. HEAVY FREEZING SPRAY. .MON NIGHT...NE WIND 25 KT. SEAS 3 FT. FREEZING SPRAY. .TUE AND TUE NIGHT...NE WIND 30 KT. SEAS 3 FT. .WED THROUGH THU...NE WIND 25 KT. SEAS 3 FT. .FRI...NE WIND 20 KT. SEAS 3 FT. $$ PKZ128-121300- VALDEZ ARM- 329 PM AKST SUN DEC 11 2016 .TONIGHT...N WIND 20 KT. SEAS 3 FT. FREEZING SPRAY. .MON...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .MON NIGHT...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TUE...NE WIND 15 KT. SEAS 3 FT. .TUE NIGHT...NE WIND 20 KT. SEAS 4 FT. .WED THROUGH FRI...NE WIND 15 KT. SEAS 3 FT. $$ PKZ129-121300- PASSAGE CANAL- 329 PM AKST SUN DEC 11 2016 ...HEAVY FREEZING SPRAY WARNING TONIGHT... .TONIGHT...W WIND 15 KT. GUSTS TO 25 KT NEAR WHITTIER. SEAS 2 FT. HEAVY FREEZING SPRAY. .MON...W WIND 15 KT. SEAS 2 FT. FREEZING SPRAY. .MON NIGHT...W WIND 15 KT. SEAS 2 FT. FREEZING SPRAY. .TUE AND TUE NIGHT...W WIND 15 KT. SEAS 2 FT. .WED THROUGH FRI...W WIND 10 KT. SEAS 3 FT. $$ PKZ130-121300- WEST OF BARREN ISLANDS INCLUDING KAMISHAK BAY- 329 PM AKST SUN DEC 11 2016 .TONIGHT...VARIABLE WIND 10 KT. SEAS 3 FT. .MON...VARIABLE WIND 10 KT. SEAS 2 FT. .MON NIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. .TUE AND TUE NIGHT...NE WIND 15 KT. SEAS 4 FT. .WED...N WIND 15 KT. SEAS 3 FT. .THU...W WIND 20 KT. SEAS 5 FT. .FRI...W WIND 15 KT. SEAS 5 FT. $$ PKZ131-121300- BARREN ISLANDS EAST- 329 PM AKST SUN DEC 11 2016 .TONIGHT...W WIND 15 KT. SEAS 4 FT. .MON...W WIND 20 KT. SEAS 4 FT. .MON NIGHT...W WIND 20 KT. SEAS 4 FT. .TUE...W WIND 20 KT. SEAS 6 FT. .TUE NIGHT...NW WIND 15 KT. SEAS 6 FT. .WED...W WIND 15 KT. SEAS 7 FT. .THU THROUGH FRI...W WIND 20 KT. SEAS 9 FT. $$ PKZ132-121300- MARMOT ISLAND TO SITKINAK- 329 PM AKST SUN DEC 11 2016 .TONIGHT...VARIABLE WIND 10 KT. SEAS 4 FT. .MON...SW WIND 15 KT. SEAS 4 FT. .MON NIGHT...SW WIND 20 KT. SEAS 5 FT. .TUE...SW WIND 20 KT. SEAS 8 FT. .TUE NIGHT...W WIND 15 KT. SEAS 8 FT. .WED THROUGH THU...W WIND 15 KT. SEAS 10 FT. .FRI...W WIND 20 KT. SEAS 13 FT. $$ PKZ136-121300- CHINIAK BAY- 329 PM AKST SUN DEC 11 2016 .TONIGHT...NW WIND 10 KT IN THE EVENING BECOMING VARIABLE LESS THAN 10 KT. SEAS 2 FT. .MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON NIGHT...SW WIND 10 KT. SEAS 1 FOOT. .TUE AND TUE NIGHT...W WIND 10 KT. SEAS 2 FT. .WED THROUGH FRI...W WIND 10 KT. SEAS 2 FT. $$ PKZ137-121300- MARMOT BAY- 329 PM AKST SUN DEC 11 2016 .TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON...VARIABLE WIND LESS THAN 10 KT BECOMING W 10 KT IN THE AFTERNOON. SEAS 2 FT. .MON NIGHT...SW WIND 10 KT. SEAS 2 FT. .TUE...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .TUE NIGHT...W WIND 10 KT. SEAS 2 FT. .WED THROUGH FRI...W WIND 10 KT. SEAS 3 FT. $$ PKZ138-121300- SHELIKOF STRAIT- 329 PM AKST SUN DEC 11 2016 .TONIGHT...VARIABLE WIND 10 KT. SEAS 2 FT. .MON...SW WIND 15 KT. SEAS 3 FT. .MON NIGHT...SW WIND 15 KT. SEAS 4 FT. .TUE...SW WIND 15 KT. SEAS 4 FT. .TUE NIGHT...VARIABLE WIND 10 KT. SEAS 3 FT. .WED...VARIABLE WIND 10 KT. SEAS 3 FT. .THU THROUGH FRI...SW WIND 15 KT. SEAS 5 FT. $$ PKZ139-121300- COOK INLET KALGIN ISLAND TO POINT BEDE- 329 PM AKST SUN DEC 11 2016 .TONIGHT...N WIND 10 KT. SEAS 3 FT. .MON...N WIND 10 KT. SEAS 2 FT. .MON NIGHT...N WIND 10 KT. SEAS 2 FT. .TUE AND TUE NIGHT...NE WIND 15 KT. SEAS 4 FT. .WED...N WIND 15 KT. SEAS 3 FT. .THU...NW WIND 15 KT. SEAS 3 FT. .FRI...N WIND 10 KT. SEAS 3 FT. $$ PKZ140-121300- COOK INLET NORTH OF KALGIN ISLAND- 329 PM AKST SUN DEC 11 2016 .TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FREEZING FOG. .MON...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FREEZING FOG. .MON NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FREEZING FOG. .TUE AND TUE NIGHT...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. .WED...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. .THU THROUGH FRI...VARIABLE WIND LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. $$ PKZ141-121300- KACHEMAK BAY- 329 PM AKST SUN DEC 11 2016 .TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .MON NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .TUE AND TUE NIGHT...N WIND 10 KT. SEAS 2 FT. .WED...NE WIND 10 KT. SEAS 3 FT. .THU...W WIND 10 KT. SEAS 3 FT. .FRI...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT. $$
608 FZAK51 PAFC 121257 CWFAER COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 357 AM AKST MON DEC 12 2016 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. PKZ197-130200- 357 AM AKST MON DEC 12 2016 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET... WEAK TROUGHS CONTINUE OVER THE NORTH GULF COAST AND SOUTHEAST ALASKA THROUGH WED MORNING. HIGH PRESSURE MOVES OVER THE GULF OF ALASKA THROUGH WED MORNING. $$ PKZ119-130200- CAPE SUCKLING TO CAPE CLEARE- 357 AM AKST MON DEC 12 2016 .TODAY...NW WIND 15 KT. SEAS 3 FT. .TONIGHT...NW WIND 20 KT. SEAS 5 FT. .TUE...NW WIND 20 KT. SEAS 5 FT. .TUE NIGHT...N WIND 15 KT. SEAS 5 FT. .WED...VARIABLE WIND 10 KT. SEAS 5 FT. .THU...W WIND 15 KT. SEAS 6 FT. .FRI...SW WIND 20 KT. SEAS 9 FT. $$ PKZ120-130200- CAPE CLEARE TO GORE POINT- 357 AM AKST MON DEC 12 2016 .TODAY...NW WIND 15 KT. SEAS 4 FT. .TONIGHT...W WIND 20 KT. SEAS 5 FT. .TUE...W WIND 20 KT. SEAS 5 FT. .TUE NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. .WED...W WIND 15 KT. SEAS 4 FT. .THU...W WIND 20 KT. SEAS 7 FT. .FRI...SW WIND 20 KT. SEAS 11 FT. $$ PKZ121-130200- RESURRECTION BAY- 357 AM AKST MON DEC 12 2016 .TODAY...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TONIGHT...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TUE...N WIND 20 KT. SEAS 4 FT. FREEZING SPRAY. .TUE NIGHT...N WIND 15 KT. SEAS 3 FT. .WED...N WIND 15 KT. SEAS 3 FT. .THU THROUGH FRI...N WIND 20 KT. SEAS 4 FT. $$ PKZ125-130200- PRINCE WILLIAM SOUND- 357 AM AKST MON DEC 12 2016 .TODAY...N WIND 10 KT. SEAS 2 FT. .TONIGHT...N WIND 10 KT. SEAS 2 FT. .TUE...N WIND 10 KT. SEAS 2 FT. .TUE NIGHT...N WIND 10 KT. SEAS 2 FT. .WED THROUGH THU...NE WIND 10 KT. SEAS 2 FT. .FRI...E WIND 15 KT. SEAS 3 FT. $$ PKZ126-130200- PORT VALDEZ- 357 AM AKST MON DEC 12 2016 .TODAY...NE WIND 10 KT. SEAS 2 FT. .TONIGHT...NE WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS 3 FT. FREEZING SPRAY. .TUE...NE WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TUE NIGHT...NE WIND 15 KT. SEAS 3 FT. .WED...NE WIND 15 KT. SEAS 3 FT. .THU THROUGH FRI...NE WIND 10 KT. SEAS 2 FT. $$ PKZ127-130200- VALDEZ NARROWS- 357 AM AKST MON DEC 12 2016 ...HEAVY FREEZING SPRAY WARNING TODAY... ...SMALL CRAFT ADVISORY THROUGH TUESDAY... .TODAY...NE WIND 30 KT. SEAS 3 FT. HEAVY FREEZING SPRAY. .TONIGHT...NE WIND 25 KT. SEAS 3 FT. FREEZING SPRAY. .TUE...NE WIND 20 KT INCREASING TO 30 KT IN THE AFTERNOON. SEAS 3 FT. FREEZING SPRAY. .TUE NIGHT...NE WIND 30 KT. SEAS 3 FT. .WED THROUGH THU...NE WIND 25 KT. SEAS 3 FT. .FRI...NE WIND 20 KT. SEAS 3 FT. $$ PKZ128-130200- VALDEZ ARM- 357 AM AKST MON DEC 12 2016 .TODAY...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TONIGHT...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TUE...NE WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TUE NIGHT...NE WIND 20 KT. SEAS 4 FT. .WED THROUGH FRI...NE WIND 15 KT. SEAS 3 FT. $$ PKZ129-130200- PASSAGE CANAL- 357 AM AKST MON DEC 12 2016 .TODAY...W WIND 15 KT. SEAS 2 FT. FREEZING SPRAY. .TONIGHT...W WIND 15 KT. SEAS 2 FT. FREEZING SPRAY. .TUE...W WIND 15 KT. SEAS 2 FT. FREEZING SPRAY. .TUE NIGHT...W WIND 15 KT. SEAS 2 FT. .WED THROUGH THU...W WIND 10 KT. SEAS 2 FT. .FRI...W WIND 20 KT. SEAS 3 FT. $$ PKZ130-130200- WEST OF BARREN ISLANDS INCLUDING KAMISHAK BAY- 357 AM AKST MON DEC 12 2016 .TODAY...VARIABLE WIND 10 KT. SEAS 2 FT. .TONIGHT...N WIND 15 KT. SEAS 3 FT. .TUE...NE WIND 20 KT. SEAS 5 FT. .TUE NIGHT...NE WIND 20 KT. SEAS 5 FT. .WED...NE WIND 20 KT. SEAS 5 FT. .THU...W WIND 15 KT. SEAS 3 FT. .FRI...S WIND 20 KT. SEAS 5 FT. $$ PKZ131-130200- BARREN ISLANDS EAST- 357 AM AKST MON DEC 12 2016 .TODAY...W WIND 20 KT. SEAS 3 FT. .TONIGHT...W WIND 20 KT. SEAS 4 FT. .TUE...W WIND 20 KT. SEAS 5 FT. .TUE NIGHT...VARIABLE WIND 10 KT. SEAS 6 FT. .WED...W WIND 15 KT. SEAS 5 FT. .THU...SW WIND 20 KT. SEAS 7 FT. .FRI...SW WIND 20 KT. SEAS 11 FT. $$ PKZ132-130200- MARMOT ISLAND TO SITKINAK- 357 AM AKST MON DEC 12 2016 ...SMALL CRAFT ADVISORY TUESDAY... .TODAY...SW WIND 15 KT. SEAS 5 FT. .TONIGHT...SW WIND 20 KT. SEAS 6 FT. .TUE...SW WIND 25 KT. SEAS 8 FT. .TUE NIGHT...W WIND 20 KT. SEAS 8 FT. .WED...SW WIND 15 KT. SEAS 9 FT. .THU...SW WIND 20 KT. SEAS 9 FT. .FRI...SW WIND 25 KT. SEAS 13 FT. $$ PKZ136-130200- CHINIAK BAY- 357 AM AKST MON DEC 12 2016 .TODAY...W WIND 10 KT. SEAS 2 FT. .TONIGHT...SW WIND 15 KT. SEAS 2 FT. .TUE...SW WIND 15 KT. SEAS 2 FT. .TUE NIGHT...W WIND 10 KT. SEAS 2 FT. .WED...W WIND 10 KT. SEAS 2 FT. .THU THROUGH FRI...S WIND 15 KT. SEAS 2 FT. $$ PKZ137-130200- MARMOT BAY- 357 AM AKST MON DEC 12 2016 .TODAY...VARIABLE WIND LESS THAN 10 KT BECOMING SW 10 KT IN THE AFTERNOON. SEAS 2 FT. .TONIGHT...SW WIND 10 KT. SEAS 2 FT. .TUE...SW WIND 10 KT. SEAS 2 FT. .TUE NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .WED...W WIND 10 KT. SEAS 2 FT. .THU...SW WIND 10 KT. SEAS 2 FT. .FRI...S WIND 15 KT. SEAS 3 FT. $$ PKZ138-130200- SHELIKOF STRAIT- 357 AM AKST MON DEC 12 2016 .TODAY...S WIND 15 KT. SEAS 3 FT. .TONIGHT...SW WIND 20 KT. SEAS BUILDING TO 5 FT. .TUE...SW WIND 15 KT. SEAS 3 FT. .TUE NIGHT...SW WIND 15 KT. SEAS 3 FT. .WED...VARIABLE WIND 10 KT. SEAS 2 FT. .THU THROUGH FRI...S WIND 20 KT. SEAS 5 FT. $$ PKZ139-130200- COOK INLET KALGIN ISLAND TO POINT BEDE- 357 AM AKST MON DEC 12 2016 .TODAY...N WIND 10 KT. SEAS 3 FT. .TONIGHT...N WIND 10 KT. SEAS 3 FT. .TUE...NE WIND 20 KT. SEAS BUILDING TO 5 FT. .TUE NIGHT...NE WIND 20 KT. SEAS 5 FT. .WED...NE WIND 20 KT. SEAS 5 FT. .THU THROUGH FRI...NE WIND 10 KT. SEAS 3 FT. $$ PKZ140-130200- COOK INLET NORTH OF KALGIN ISLAND- 357 AM AKST MON DEC 12 2016 .TODAY...NE WIND 10 KT IN THE MORNING BECOMING VARIABLE LESS THAN 10 KT. SEAS IN ICE FREE WATERS 2 FT. DENSE FOG. .TONIGHT...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FREEZING FOG. .TUE...NE WIND 10 KT. SEAS IN ICE FREE WATERS 3 FT. PATCHY FREEZING FOG. .TUE NIGHT...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. .WED THROUGH FRI...NE WIND 10 KT. SEAS IN ICE FREE WATERS 3 FT. $$ PKZ141-130200- KACHEMAK BAY- 357 AM AKST MON DEC 12 2016 .TODAY...NE WIND 10 KT IN THE MORNING BECOMING VARIABLE LESS THAN 10 KT. SEAS 2 FT. .TONIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .TUE...NE WIND 10 KT BECOMING N 15 KT IN THE AFTERNOON. SEAS 2 FT. .TUE NIGHT...N WIND 15 KT. SEAS 2 FT. .WED...E WIND 15 KT. SEAS 2 FT. .THU...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT. .FRI...S WIND 10 KT. SEAS 3 FT. $$
993 FZAK51 PAFC 130033 CWFAER COASTAL WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE ALASKA 333 PM AKST MON DEC 12 2016 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. PKZ197-131315- 333 PM AKST MON DEC 12 2016 .SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+ COOK INLET... HIGH PRESSURE PERSISTS OVER THE SOUTHERN GULF THROUGH TUE AFTERNOON...THEN MOVES INTO THE NORTH PACIFIC. PERIODIC WEAK TROUGHS MOVE OVER THE NORTHERN GULF THROUGH WED AFTERNOON. $$ PKZ119-131315- CAPE SUCKLING TO CAPE CLEARE- 333 PM AKST MON DEC 12 2016 .TONIGHT...NW WIND 20 KT. SEAS 5 FT. .TUE...W WIND 20 KT. SEAS 5 FT. .TUE NIGHT...NW WIND 15 KT. SEAS 4 FT. .WED...N WIND 15 KT. SEAS 4 FT. .WED NIGHT...VARIABLE WIND 10 KT. SEAS 4 FT. .THU...W WIND 15 KT. SEAS 6 FT. .FRI...SW WIND 20 KT. SEAS 9 FT. .SAT...S WIND 20 KT. SEAS 18 FT. $$ PKZ120-131315- CAPE CLEARE TO GORE POINT- 333 PM AKST MON DEC 12 2016 .TONIGHT...W WIND 20 KT. SEAS 5 FT. .TUE...W WIND 20 KT. SEAS 5 FT. .TUE NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. .WED...VARIABLE WIND 10 KT. SEAS 4 FT. .WED NIGHT...VARIABLE WIND 10 KT. SEAS 5 FT. .THU...SW WIND 20 KT. SEAS 7 FT. .FRI...SW WIND 20 KT. SEAS 11 FT. .SAT...SW WIND 20 KT. SEAS 14 FT. $$ PKZ121-131315- RESURRECTION BAY- 333 PM AKST MON DEC 12 2016 .TONIGHT...N WIND 10 KT. SEAS 3 FT. .TUE...N WIND 10 KT. SEAS 3 FT. .TUE NIGHT...N WIND 10 KT. SEAS 3 FT. .WED...N WIND 10 KT. SEAS 3 FT. .WED NIGHT...N WIND 10 KT. SEAS 2 FT. .THU...N WIND 10 KT. SEAS 2 FT. .FRI...N WIND 20 KT. SEAS 3 FT. .SAT...S WIND 20 KT. SEAS 3 FT. $$ PKZ125-131315- PRINCE WILLIAM SOUND- 333 PM AKST MON DEC 12 2016 .TONIGHT...VARIABLE WIND LESS THAN 10 KT BECOMING N 10 KT AFTER MIDNIGHT. SEAS 2 FT. .TUE...N WIND 10 KT. SEAS 2 FT. .TUE NIGHT...N WIND 10 KT. SEAS 2 FT. .WED...N WIND 10 KT. SEAS 2 FT. .WED NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .THU...NE WIND 10 KT. SEAS 2 FT. .FRI...E WIND 15 KT. SEAS 3 FT. .SAT...SE WIND 15 KT. SEAS 3 FT. $$ PKZ126-131315- PORT VALDEZ- 333 PM AKST MON DEC 12 2016 ...HEAVY FREEZING SPRAY WARNING TONIGHT AND TUESDAY NIGHT... .TONIGHT...NE WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS 3 FT. HEAVY FREEZING SPRAY AFTER MIDNIGHT. .TUE...NE WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TUE NIGHT...NE WIND 15 KT. SEAS 3 FT. HEAVY FREEZING SPRAY. .WED...NE WIND 15 KT. SEAS 3 FT. .WED NIGHT...NE WIND 10 KT. SEAS 2 FT. .THU THROUGH FRI...NE WIND 10 KT. SEAS 2 FT. .SAT...VARIABLE WIND 10 KT. SEAS 2 FT. $$ PKZ127-131315- VALDEZ NARROWS- 333 PM AKST MON DEC 12 2016 ...GALE WARNING TONIGHT... ...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY NIGHT... .TONIGHT...NE WIND 35 KT. SEAS 4 FT. HEAVY FREEZING SPRAY. .TUE...NE WIND 30 KT. SEAS 4 FT. HEAVY FREEZING SPRAY. .TUE NIGHT...NE WIND 30 KT. SEAS 3 FT. HEAVY FREEZING SPRAY. .WED...N WIND 35 KT. SEAS 4 FT. .WED NIGHT...NE WIND 30 KT. SEAS 3 FT. .THU THROUGH FRI...NE WIND 20 KT. SEAS 3 FT. .SAT...VARIABLE WIND 10 KT. SEAS 2 FT. $$ PKZ128-131315- VALDEZ ARM- 333 PM AKST MON DEC 12 2016 .TONIGHT...N WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TUE...NE WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .TUE NIGHT...NE WIND 15 KT. SEAS 3 FT. FREEZING SPRAY. .WED...NE WIND 15 KT. SEAS 3 FT. .WED NIGHT...NE WIND 10 KT. SEAS 2 FT. .THU THROUGH FRI...NE WIND 15 KT. SEAS 3 FT. .SAT...VARIABLE WIND 15 KT. SEAS 3 FT. $$ PKZ129-131315- PASSAGE CANAL- 333 PM AKST MON DEC 12 2016 ...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY NIGHT... .TONIGHT...W WIND 15 KT. GUSTS TO 30 KT NEAR WHITTIER. SEAS 2 FT. HEAVY FREEZING SPRAY. .TUE...W WIND 15 KT. GUSTS TO 25 KT NEAR WHITTIER. SEAS 2 FT. HEAVY FREEZING SPRAY. .TUE NIGHT...W WIND 15 KT. SEAS 2 FT. HEAVY FREEZING SPRAY. .WED...W WIND 15 KT. SEAS 2 FT. .WED NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .THU...W WIND 10 KT. SEAS 2 FT. .FRI...W WIND 20 KT. SEAS 3 FT. .SAT...E WIND 20 KT. SEAS 3 FT. $$ PKZ130-131315- WEST OF BARREN ISLANDS INCLUDING KAMISHAK BAY- 333 PM AKST MON DEC 12 2016 ...SMALL CRAFT ADVISORY TUESDAY AND TUESDAY NIGHT... .TONIGHT...NE WIND 15 KT. SEAS 5 FT. .TUE...NE WIND 25 KT. SEAS 8 FT. .TUE NIGHT...NE WIND 25 KT. SEAS 8 FT. FREEZING SPRAY. .WED...NE WIND 20 KT. SEAS 7 FT. .WED NIGHT...NE WIND 15 KT. SEAS 3 FT. .THU...NE WIND 15 KT. SEAS 3 FT. .FRI...S WIND 20 KT. SEAS 5 FT. .SAT...W WIND 15 KT. SEAS 4 FT. $$ PKZ131-131315- BARREN ISLANDS EAST- 333 PM AKST MON DEC 12 2016 .TONIGHT...W WIND 20 KT. SEAS 4 FT. .TUE...SW WIND 20 KT. SEAS 5 FT. .TUE NIGHT...W WIND 15 KT. SEAS 5 FT. .WED...VARIABLE WIND 10 KT. SEAS 5 FT. .WED NIGHT...W WIND 15 KT. SEAS 6 FT. .THU...SW WIND 20 KT. SEAS 7 FT. .FRI THROUGH SAT...W WIND 20 KT. SEAS 12 FT. $$ PKZ132-131315- MARMOT ISLAND TO SITKINAK- 333 PM AKST MON DEC 12 2016 ...SMALL CRAFT ADVISORY TUESDAY AND TUESDAY NIGHT... .TONIGHT...SW WIND 20 KT. SEAS 6 FT. .TUE...SW WIND 25 KT. SEAS 8 FT. .TUE NIGHT...SW WIND 20 KT. SEAS 8 FT. .WED AND WED NIGHT...SW WIND 15 KT. SEAS 10 FT. .THU...SW WIND 20 KT. SEAS 9 FT. .FRI THROUGH SAT...W WIND 25 KT. SEAS 14 FT. $$ PKZ136-131315- CHINIAK BAY- 333 PM AKST MON DEC 12 2016 .TONIGHT...SW WIND 15 KT. SEAS 2 FT. .TUE...SW WIND 20 KT. SEAS 2 FT. .TUE NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .WED...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .WED NIGHT...SW WIND 10 KT. SEAS 2 FT. .THU THROUGH FRI...S WIND 15 KT. SEAS 2 FT. .SAT...SW WIND 15 KT. SEAS 2 FT. $$ PKZ137-131315- MARMOT BAY- 333 PM AKST MON DEC 12 2016 .TONIGHT...SW WIND 10 KT INCREASING TO 15 KT AFTER MIDNIGHT. SEAS 2 FT. .TUE...S WIND 15 KT. SEAS 2 FT. .TUE NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .WED...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .WED NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 2 FT. .THU...SW WIND 10 KT. SEAS 2 FT. .FRI...S WIND 15 KT. SEAS 3 FT. .SAT...SW WIND 15 KT. SEAS 3 FT. $$ PKZ138-131315- SHELIKOF STRAIT- 333 PM AKST MON DEC 12 2016 .TONIGHT...S WIND 20 KT. SEAS 5 FT. .TUE...SE WIND 20 KT. SEAS 5 FT. .TUE NIGHT...E WIND 15 KT. SEAS 4 FT. .WED AND WED NIGHT...S WIND 15 KT. SEAS 3 FT. .THU THROUGH FRI...S WIND 20 KT. SEAS 5 FT. .SAT...SW WIND 15 KT. SEAS 5 FT. $$ PKZ139-131315- COOK INLET KALGIN ISLAND TO POINT BEDE- 333 PM AKST MON DEC 12 2016 ...SMALL CRAFT ADVISORY TUESDAY AND TUESDAY NIGHT... .TONIGHT...N WIND 10 KT BECOMING NE 15 KT AFTER MIDNIGHT. SEAS 3 FT. FREEZING SPRAY AFTER MIDNIGHT. .TUE...NE WIND 25 KT. SEAS 8 FT. FREEZING SPRAY. .TUE NIGHT...NE WIND 25 KT. SEAS 9 FT. FREEZING SPRAY. .WED...NE WIND 20 KT. SEAS 7 FT. .WED NIGHT...NE WIND 15 KT. SEAS 4 FT. .THU THROUGH FRI...NE WIND 10 KT. SEAS 3 FT. .SAT...W WIND 10 KT. SEAS 3 FT. $$ PKZ140-131315- COOK INLET NORTH OF KALGIN ISLAND- 333 PM AKST MON DEC 12 2016 .TONIGHT...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FREEZING FOG. .TUE...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. PATCHY FREEZING FOG. .TUE NIGHT...N WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. AREAS OF FREEZING FOG. .WED AND WED NIGHT...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. .THU THROUGH SAT...NE WIND 10 KT. SEAS IN ICE FREE WATERS 2 FT. $$ PKZ141-131315- KACHEMAK BAY- 333 PM AKST MON DEC 12 2016 .TONIGHT...NE WIND 10 KT. SEAS 2 FT. .TUE...NE WIND 10 KT INCREASING TO 15 KT IN THE AFTERNOON. SEAS 2 FT. .TUE NIGHT...NE WIND 15 KT. SEAS 2 FT. FREEZING SPRAY. .WED...NE WIND 15 KT. SEAS 2 FT. .WED NIGHT...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT. .THU...VARIABLE WIND LESS THAN 10 KT. SEAS 3 FT. .FRI...S WIND 10 KT. SEAS 3 FT. .SAT...SW WIND 10 KT. SEAS 3 FT. $$
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 Dec 10, 4:00 PM AKST, 12 hours earlier.
Area forecast discussion, Dec 10, 4:00 PM AKST, 12 hours before
Southcentral and Southwest Alaska Forecast Discussion National Weather Service Anchorage AK 400 PM AKST Sat Dec 10 2016 .ANALYSIS AND UPPER LEVELS... A strong closed upper level high over the northern half of Alaska is building southward toward Southcentral Alaska, with strong subsidence and very dry air, as seen in Water Vapor Imagery and upper air soundings. Tight pressure gradients combined with arctic air sitting over the interior continues to produce gap winds across Southcentral, strongest through Thompson Pass and the Matanuska Valley. Cold and dry conditions dominate both Southcentral and Southwest Alaska under mostly clear skies. Meanwhile, a couple of surface lows and an associated occluded front are elongating and weakening along the Western Aleutians, with forward motion being stopped by strong ridging just ahead of it. The central pressure of the low is quite unimpressive at around 998 mb. However, the large pressure difference with the surface high over the Bering Sea is leading to solid gale force winds out ahead of the front. Lastly, an upper trough over the Eastern Bering is stuck between strong ridging both upstream and downstream. Weak lift along this axis is producing some light precip, primarily along the southern Alaska Peninsula. && .MODEL DISCUSSION... There are some minor differences with synoptic scale features affecting the Bering Sea and Aleutians the next couple days, but nothing which really affects the expected weather. One noteworthy challenge for Southcentral is determining where gap winds will persist and where they will die down. With such a cold air mass in place this will lead to very large differences in temperatures between windy and non-windy areas. Otherwise, overall forecast confidence for the next couple days is high. && .AVIATION... PANC...VFR conditions and light winds will persist. && .SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)... With high pressure over mainland Alaska and weak low pressure over the Gulf, weak outflow winds will continue but diminish through Sunday. The high pressure will also keep skies clear around Southcentral Alaska which will allow for temperatures to drop overnight. This will help with fog formation the next couple of days. && .SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2)... Partly cloudy skies will clear overnight as the interior ridge shifts south. Northerly flow is expected to be light overnight with the settling ridge which will allow for patchy fog to develop toward morning as steep low level temperature inversions set up just off the surface. The one limiting factor to morning fog is the dryness of the air column inland. The sounding at Bethel this afternoon sampled a much drier column in comparison to this morning's data. Subsidence on the southern edge of the advancing ridge may dry out the air mass significantly across much of the Southwest preventing fog development. The general flow remains relatively light through Monday across inland areas. Along the coast, winds increase out of the east late Sunday with gusty conditions along the Kuskokwim Delta as a warm front approaches from the Eastern Bering. The front washes out as it makes landfall on Monday morning...however, a few snow showers are expected to develop along the coast as the warm subtropical air mass overruns the cold dome over the Southwest. && .SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2)... Southerly flow returns across the Bering as a warm front along the Aleutians advances north and east into Sunday. Winds are expected to increase tonight along the Aleutians and Alaska Peninsula as the surface low driving the front advances north across the West Bering. Re-enforcing energy from the parent low moving toward the western Aleutians keeps a gusty pattern across the Bering through Monday. Snow and mixed precipitation with this front changes over to all rain with the frontal passage which should make it through the eastern and northern Bering by Sunday. && .LONG TERM FORECAST (Days 3 through 7...Fri through Tue)... Monday night will begin a transition period to a stormy regime over the Bering Sea as the cold Siberian high reestablishes itself. A blocking high over Southcentral will weaken Tuesday as an undercutting Bering shortwave trough moves across the area bringing some rain and snow to Southwest Alaska...and clouds to Southcentral. After Thursday, uncertainty grows with respect to another shortwave trough moves through the ridge with the GFS much more bullish than the ECMWF/Canadian GDPS. That uncertainty is already considered in this forecast which calls for increasing chances for precipitation late week. Thereafter, the possibility for increased storminess and multiple precipitation chances increases as the ridge over Southcentral shifts east and weakens, allowing for a series of shortwave troughs in southwest flow to impact the southern mainland through the weekend. This should usher in a return to above normal temperatures along with an active weather regime across the forecast area. && .AFC WATCHES/WARNINGS/ADVISORIES... PUBLIC...None. MARINE...Gale Warning 127. Heavy Frz Spray 126 127 181. && SYNOPSIS AND MODEL DISCUSSION...SB SOUTHCENTRAL ALASKA...DK SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...KH LONG TERM...JA
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 3:28 PM AKST | Small Craft Advisory | AFC | 13 hr | |
| Dec 10, 3:28 PM AKST | Small Craft Advisory | AFC | 3 days | |
| Dec 11, 3:49 AM AKST | Gale Warning | AFC | 12 hr | |
| Dec 11, 3:55 AM AKST | Gale Warning | AFC | 24 hr | |
| Dec 11, 3:55 AM AKST | Heavy Freezing Spray Warning | AFC | 12 hr | |
| Dec 11, 4:00 AM AKST | Heavy Freezing Spray Warning | AFC | 60 hr |
Nearby
Small Craft Advisories in Alaska, 2016Every small craft advisory in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.