Alert archive / Alaska / Small Craft Advisories in 2021

Small Craft Advisory 649, NWS Anchorage, AK

August 18, 2021

NWS Anchorage, AK issued this small craft advisory at Aug 18, 2021, 3:44 AM AKDT. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued: Aug 18, 2021, 3:44 AM AKDT (11:44 UTC)
Expired: Aug 19, 2021, 4:15 AM AKDT
In force: 25 hr
Issued by: NWS Anchorage, AK

The text

As transmitted.

515 
FZAK51 PAFC 181144
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
344 AM AKDT Wed Aug 18 2021

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.

PKZ197-190100-
344 AM AKDT Wed Aug 18 2021
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A 1007 mb low 75 nm south of Cordova will move to 115 nm southwest 
of Yakutat tonight and then weakens to 1022 mb Thu afternoon. Its
front stretches across the northern Gulf through Thu afternoon.

$$

PKZ119-190100-
Cape Suckling to Cape Cleare-
344 AM AKDT Wed Aug 18 2021

.TODAY...NW wind 15 kt. Seas 7 ft.
.TONIGHT...Variable wind 10 kt. Seas 6 ft. Patchy fog.
.THU...Variable wind 10 kt. Seas 5 ft.
.THU NIGHT...Variable wind 10 kt. Seas 5 ft.
.FRI...W wind 20 kt. Seas 7 ft.
.SAT...NW wind 15 kt. Seas 6 ft.
.SUN...SE wind 20 kt. Seas 8 ft.

$$

PKZ120-190100-
Cape Cleare to Gore Point-
344 AM AKDT Wed Aug 18 2021

.TODAY...W wind 15 kt. Seas 6 ft. Patchy fog.
.TONIGHT...SW wind 15 kt. Seas 5 ft. Patchy fog.
.THU...Variable wind 10 kt. Seas 4 ft. Patchy fog.
.THU NIGHT...SW wind 15 kt. Seas 4 ft.
.FRI...W wind 30 kt. Seas 9 ft.
.SAT...W wind 15 kt. Seas 6 ft.
.SUN...SE wind 15 kt. Seas 8 ft.

$$

PKZ121-190100-
Resurrection Bay-
344 AM AKDT Wed Aug 18 2021

.TODAY...N wind increasing to 15 kt in the morning then becoming S 
10 kt in the afternoon. Seas 3 ft.
.TONIGHT...S wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft.
.THU...Variable wind 10 kt becoming S in the afternoon. Seas 2 ft.
.THU NIGHT...S wind 15 kt. Seas 3 ft.
.FRI...N wind 20 kt. Seas 4 ft.
.SAT...S wind 20 kt. Seas 4 ft.
.SUN...N wind 15 kt. Seas 3 ft.

$$

PKZ125-190100-
Prince William Sound-
344 AM AKDT Wed Aug 18 2021

.TODAY...NW 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. Patchy fog.
.THU...E wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft. Patchy fog.
.THU NIGHT...S wind 10 kt. Seas 2 ft.
.FRI THROUGH SAT...NW wind 15 kt. Seas 3 ft.
.SUN...NE wind 10 kt. Seas 2 ft.

$$

PKZ126-190100-
Port Valdez-
344 AM AKDT Wed Aug 18 2021

.TODAY...NE wind 10 kt in the morning becoming variable less than
10 kt. Seas 2 ft. Patchy fog.
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU NIGHT...W wind 10 kt. Seas 2 ft.
.FRI THROUGH SAT...E wind 10 kt. Seas 2 ft.
.SUN...E wind 10 kt. Seas 2 ft.

$$

PKZ127-190100-
Valdez Narrows-
344 AM AKDT Wed Aug 18 2021

.TODAY...N wind 15 kt becoming SW 10 kt in the afternoon. Seas 3 ft.
.TONIGHT...SW wind 10 kt becoming N after midnight. Seas 2 ft.
Patchy fog.
.THU...N wind 10 kt becoming S in the afternoon. Seas 2 ft. Patchy
fog.
.THU NIGHT...SW wind 10 kt. Seas 2 ft.
.FRI THROUGH SAT...NE wind 20 kt. Seas 3 ft.
.SUN...NE wind 15 kt. Seas 3 ft.

$$

PKZ128-190100-
Valdez Arm-
344 AM AKDT Wed Aug 18 2021

.TODAY...NE wind 15 kt becoming variable 10 kt in the afternoon. 
Seas 3 ft.
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU NIGHT...NE wind 10 kt. Seas 2 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 3 ft.
.SUN...NE wind 10 kt. Seas 2 ft.

$$

PKZ129-190100-
Passage Canal-
344 AM AKDT Wed Aug 18 2021

.TODAY...W wind increasing to 20 kt in the morning then diminishing
to 10 kt in the afternoon. Seas 2 ft.
.TONIGHT...Variable wind less than 10 kt becoming E 10 kt after
midnight. Seas 2 ft.
.THU...E wind 10 kt. Seas 2 ft.
.THU NIGHT...E wind 10 kt. Seas 2 ft.
.FRI...W wind 20 kt. Seas 3 ft.
.SAT...W wind 10 kt. Seas 2 ft.
.SUN...E wind 15 kt. Seas 2 ft.

$$

PKZ130-190100-
West of Barren Islands including Kamishak Bay-
344 AM AKDT Wed Aug 18 2021

.TODAY...W wind 15 kt. Seas 4 ft. Patchy fog.
.TONIGHT...Variable wind 10 kt. Seas 2 ft. Patchy fog.
.THU...SW wind 15 kt. Seas 3 ft. Patchy fog.
.THU NIGHT...SW wind 20 kt. Seas 5 ft.
.FRI...W wind 30 kt. Seas 10 ft.
.SAT...NE wind 20 kt. Seas 5 ft.
.SUN...SE wind 25 kt. Seas 5 ft.

$$

PKZ131-190100-
Barren Islands East-
344 AM AKDT Wed Aug 18 2021

.TODAY...W wind 20 kt. Seas 6 ft. Patchy fog.
.TONIGHT...SW wind 15 kt. Seas 5 ft. Patchy fog.
.THU...Variable wind 10 kt. Seas 5 ft. Patchy fog.
.THU NIGHT...SW wind 20 kt. Seas 4 ft.
.FRI...W wind 30 kt. Seas 10 ft.
.SAT...SW wind 20 kt. Seas 8 ft.
.SUN...SE wind 20 kt. Seas 9 ft.

$$

PKZ132-190100-
Marmot Island to Sitkinak-
344 AM AKDT Wed Aug 18 2021

.TODAY...W wind 15 kt. Seas 7 ft.
.TONIGHT...SW wind 15 kt. Seas 6 ft. Patchy fog.
.THU...SW wind 20 kt. Seas 6 ft. Patchy fog.
.THU NIGHT...SW wind 20 kt. Seas 6 ft.
.FRI...W wind 25 kt. Seas 7 ft.
.SAT THROUGH SUN...S wind 20 kt. Seas 6 ft.

$$

PKZ136-190100-
Chiniak Bay-
344 AM AKDT Wed Aug 18 2021

.TODAY...Variable wind less than 10 kt. Seas 3 ft.
.TONIGHT...S wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft.
.THU...Variable wind less than 10 kt. Seas 3 ft.
.THU NIGHT...SW wind 10 kt. Seas 2 ft.
.FRI...W wind 20 kt. Seas 2 ft.
.SAT...S wind 10 kt. Seas 2 ft.
.SUN...S wind 15 kt. Seas 2 ft.

$$

PKZ137-190100-
Marmot Bay-
344 AM AKDT Wed Aug 18 2021

.TODAY...W wind 10 kt. Seas 2 ft.
.TONIGHT...SW wind 10 kt. Seas 2 ft.
.THU...W wind 10 kt. Seas 2 ft.
.THU NIGHT...SW wind 20 kt. Seas 3 ft.
.FRI...W wind 20 kt. Seas 4 ft.
.SAT...S wind 10 kt. Seas 3 ft.
.SUN...S wind 15 kt. Seas 3 ft.

$$

PKZ138-190100-
Shelikof Strait-
344 AM AKDT Wed Aug 18 2021

.TODAY...Variable wind 10 kt. Seas 3 ft.
.TONIGHT...SW wind 15 kt. Seas 4 ft.
.THU...SW wind 20 kt. Seas 3 ft building to 6 ft in the afternoon.
.THU NIGHT...SW wind 25 kt. Seas 6 ft.
.FRI...W wind 25 kt. Seas 6 ft.
.SAT...E wind 15 kt. Seas 3 ft.
.SUN...SE wind 15 kt. Seas 3 ft.

$$

PKZ139-190100-
Cook Inlet Kalgin Island to Point Bede-
344 AM AKDT Wed Aug 18 2021

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.TONIGHT...S wind 10 kt increasing to 15 kt after midnight. Seas
3 ft. Patchy fog.
.THU...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 3 ft
building to 7 ft in the afternoon. Patchy fog.
.THU NIGHT...SW wind 30 kt. Seas 7 ft.
.FRI...W wind 30 kt. Seas 9 ft.
.SAT...N wind 10 kt. Seas 3 ft.
.SUN...NE wind 15 kt. Seas 3 ft.

$$

PKZ140-190100-
Cook Inlet North of Kalgin Island-
344 AM AKDT Wed Aug 18 2021

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...Variable wind less than 10 kt. Seas 1 ft.
.TONIGHT...SW wind 10 kt. Seas 2 ft. Patchy fog.
.THU...S wind 10 kt becoming SW 25 kt in the afternoon. Seas 2 ft
building to 5 ft in the afternoon. Patchy fog.
.THU NIGHT...S wind 30 kt. Seas 8 ft.
.FRI...W wind 25 kt. Seas 7 ft.
.SAT...N wind 10 kt. Seas 2 ft.
.SUN...NE wind 10 kt. Seas 2 ft.

$$

PKZ141-190100-
Kachemak Bay-
344 AM AKDT Wed Aug 18 2021

.TODAY...Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 3 ft. Patchy fog.
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU...SE wind 10 kt. Seas 2 ft.
.THU NIGHT...SW wind 15 kt. Seas 3 ft.
.FRI...W wind 25 kt. Seas 8 ft.
.SAT...NW wind 10 kt. Seas 2 ft.
.SUN...E wind 15 kt. Seas 2 ft.

$$

1 follow-up statement

836 
FZAK51 PAFC 182301
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
301 PM AKDT Wed Aug 18 2021

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.

PKZ197-191215-
301 PM AKDT Wed Aug 18 2021
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A 1014 mb low 80 nm east of Middleton Island moves east and 
dissipates by Fri afternoon. A 1016 mb low develops 40 nm 
southwest of Cordova on Saturday afternoon.

$$

PKZ119-191215-
Cape Suckling to Cape Cleare-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...Variable wind 10 kt. Seas 6 ft. Patchy fog.
.THU...Variable wind 10 kt. Seas 5 ft.
.THU NIGHT...SW wind 10 kt. Seas 5 ft.
.FRI...SW wind 25 kt. Seas 5 ft.
.FRI NIGHT...NW wind 20 kt. Seas 6 ft.
.SAT...W wind 15 kt. Seas 6 ft.
.SUN THROUGH MON...S wind 20 kt. Seas 8 ft.

$$

PKZ120-191215-
Cape Cleare to Gore Point-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...SW wind 15 kt. Seas 5 ft. Patchy fog.
.THU...Variable wind 10 kt. Seas 4 ft. Patchy fog.
.THU NIGHT...SW wind 15 kt. Seas 4 ft. Patchy fog.
.FRI...W wind 30 kt. Seas 7 ft.
.FRI NIGHT...NW wind 30 kt. Seas 10 ft.
.SAT...Variable wind 10 kt. Seas 6 ft.
.SUN THROUGH MON...S wind 15 kt. Seas 8 ft.

$$

PKZ121-191215-
Resurrection Bay-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...S wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft.
.THU...Variable wind 10 kt becoming S in the afternoon. Seas 2 ft.
.THU NIGHT...S wind 10 kt increasing to 15 kt after midnight. Seas
3 ft.
.FRI...N wind 20 kt. Seas 4 ft.
.FRI NIGHT...N wind 15 kt. Seas 3 ft.
.SAT...N wind 20 kt. Seas 4 ft.
.SUN...N wind 15 kt. Seas 3 ft.
.MON...S wind 10 kt. Seas 2 ft.

$$

PKZ125-191215-
Prince William Sound-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU NIGHT...Variable wind less than 10 kt becoming SW 10 kt after
midnight. Seas 2 ft.
.FRI...SW wind 10 kt. Seas 2 ft.
.FRI NIGHT...NW wind 10 kt. Seas 2 ft.
.SAT...NW wind 10 kt. Seas 2 ft.
.SUN...NE wind 10 kt. Seas 2 ft.
.MON...SE wind 10 kt. Seas 2 ft.

$$

PKZ126-191215-
Port Valdez-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU NIGHT...W wind 10 kt. Seas 2 ft. Rain.
.FRI...W wind 10 kt. Seas 2 ft.
.FRI NIGHT...E wind 10 kt. Seas 2 ft.
.SAT...E wind 10 kt. Seas 2 ft.
.SUN...E wind 10 kt. Seas 2 ft.
.MON...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ127-191215-
Valdez Narrows-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...SW wind 10 kt becoming N after midnight. Seas 2 ft.
Patchy fog.
.THU...N wind 10 kt becoming S in the afternoon. Seas 2 ft. Patchy
fog.
.THU NIGHT...SW wind 10 kt. Seas 2 ft.
.FRI...NE wind 10 kt. Seas 2 ft.
.FRI NIGHT...NE wind 20 kt. Seas 3 ft.
.SAT...NE wind 20 kt. Seas 3 ft.
.SUN...NE wind 15 kt. Seas 3 ft.
.MON...NE wind 10 kt. Seas 2 ft.

$$

PKZ128-191215-
Valdez Arm-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.THU NIGHT...Variable wind less than 10 kt becoming NE 10 kt after
midnight. Seas 2 ft.
.FRI...N wind 10 kt. Seas 2 ft.
.FRI NIGHT...NE wind 15 kt. Seas 3 ft.
.SAT...NE wind 15 kt. Seas 3 ft.
.SUN THROUGH MON...NE wind 10 kt. Seas 2 ft.

$$

PKZ129-191215-
Passage Canal-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...W wind 10 kt becoming E after midnight. Seas 2 ft.
.THU...E wind 10 kt. Seas 2 ft.
.THU NIGHT...E wind 10 kt. Seas 2 ft. Rain.
.FRI AND FRI NIGHT...W wind 20 kt. Seas 3 ft.
.SAT...W wind 15 kt. Seas 2 ft.
.SUN...E wind 15 kt. Seas 2 ft.
.MON...E wind 10 kt. Seas 2 ft.

$$

PKZ130-191215-
West of Barren Islands including Kamishak Bay-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...SW wind 10 kt. Seas 3 ft. Patchy fog.
.THU...SW wind 10 kt. Seas 3 ft. Patchy fog.
.THU NIGHT...SW wind 15 kt. Seas 4 ft.
.FRI AND FRI NIGHT...W wind 35 kt. Seas 13 ft.
.SAT...NE wind 15 kt. Seas 5 ft.
.SUN...SE wind 25 kt. Seas 5 ft.
.MON...SE wind 15 kt. Seas 4 ft.

$$

PKZ131-191215-
Barren Islands East-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...SW wind 15 kt. Seas 5 ft. Patchy fog.
.THU...Variable wind 10 kt. Seas 5 ft. Patchy fog.
.THU NIGHT...Variable wind 10 kt becoming SW 20 kt after midnight.
Seas 4 ft. Patchy fog.
.FRI...W wind 35 kt. Seas 8 ft.
.FRI NIGHT...NW wind 35 kt. Seas 12 ft.
.SAT...W wind 20 kt. Seas 7 ft.
.SUN THROUGH MON...S wind 20 kt. Seas 8 ft.

$$

PKZ132-191215-
Marmot Island to Sitkinak-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...SW wind 15 kt. Seas 6 ft. Patchy fog.
.THU...Variable wind 10 kt becoming W 20 kt in the afternoon. Seas
6 ft. Patchy fog.
.THU NIGHT...SW wind 20 kt. Seas 6 ft.
.FRI AND FRI NIGHT...W wind 25 kt. Seas 6 ft.
.SAT THROUGH MON...S wind 20 kt. Seas 7 ft.

$$

PKZ136-191215-
Chiniak Bay-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...Variable wind less than 10 kt. Seas 3 ft.
.THU...Variable wind less than 10 kt. Seas 3 ft.
.THU NIGHT...Variable wind less than 10 kt becoming SW 10 kt after
midnight. Seas 2 ft.
.FRI AND FRI NIGHT...W wind 10 kt. Seas 2 ft.
.SAT...S wind 10 kt. Seas 2 ft.
.SUN THROUGH MON...S wind 15 kt. Seas 2 ft.

$$

PKZ137-191215-
Marmot Bay-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...S wind 10 kt in the evening becoming variable less than
10 kt. Seas 3 ft.
.THU...W wind 10 kt. Seas 2 ft.
.THU NIGHT...SW wind 10 kt becoming W 15 kt after midnight. 
Seas 3 ft.
.FRI...W wind 20 kt. Seas 4 ft.
.FRI NIGHT...W wind 15 kt. Seas 3 ft.
.SAT...SW wind 10 kt. Seas 3 ft.
.SUN THROUGH MON...S wind 15 kt. Seas 3 ft.

$$

PKZ138-191215-
Shelikof Strait-
301 PM AKDT Wed Aug 18 2021

...SMALL CRAFT ADVISORY THURSDAY NIGHT...

.TONIGHT...SW wind 15 kt. Seas 4 ft.
.THU...SW wind 20 kt. Seas 4 ft building to 6 ft in the afternoon.
.THU NIGHT...SW wind 25 kt. Seas 8 ft.
.FRI...W wind 25 kt. Seas 7 ft.
.FRI NIGHT...W wind 20 kt. Seas 5 ft.
.SAT THROUGH MON...S wind 15 kt. Seas 3 ft.

$$

PKZ139-191215-
Cook Inlet Kalgin Island to Point Bede-
301 PM AKDT Wed Aug 18 2021

...SMALL CRAFT ADVISORY THURSDAY AND THURSDAY NIGHT...

.TONIGHT...S wind 10 kt. Seas 3 ft. Patchy fog.
.THU...S wind 15 kt increasing to 25 kt in the afternoon. Seas 3
ft building to 8 ft in the afternoon. Patchy fog.
.THU NIGHT...S wind 30 kt. Seas 9 ft.
.FRI...SW wind 25 kt. Seas 9 ft.
.FRI NIGHT...NW wind 25 kt. Seas 5 ft.
.SAT...N wind 10 kt. Seas 3 ft.
.SUN...NE wind 15 kt. Seas 3 ft.
.MON...E wind 10 kt. Seas 2 ft.

$$

PKZ140-191215-
Cook Inlet North of Kalgin Island-
301 PM AKDT Wed Aug 18 2021

...SMALL CRAFT ADVISORY THURSDAY NIGHT...

.TONIGHT...Variable wind less than 10 kt becoming S 10 kt after
midnight. Seas 1 ft building to 3 ft after midnight. Patchy fog.
.THU...S wind 10 kt becoming SW 20 kt in the afternoon. Seas 3 ft
building to 5 ft in the afternoon. Patchy fog.
.THU NIGHT...S wind 30 kt. Seas 10 ft.
.FRI...SW wind 25 kt. Seas 8 ft.
.FRI NIGHT...NW wind 10 kt. Seas 3 ft.
.SAT...N wind 10 kt. Seas 2 ft.
.SUN THROUGH MON...E wind 10 kt. Seas 2 ft.

$$

PKZ141-191215-
Kachemak Bay-
301 PM AKDT Wed Aug 18 2021

.TONIGHT...SW wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft. Patchy fog.
.THU...SE wind 10 kt becoming SW in the afternoon. Seas 2 ft.
.THU NIGHT...SW wind 10 kt. Seas 2 ft.
.FRI...W of Homer, SW wind 15 kt in the morning increasing to 25 kt.
E of Homer, SW wind 15 kt. Seas 8 ft.
.FRI NIGHT...W wind 20 kt. Seas 4 ft.
.SAT...N wind 10 kt. Seas 2 ft.
.SUN...E wind 15 kt. Seas 2 ft.
.MON...SE wind 10 kt. Seas 2 ft.

$$

The office that day

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

Issued	Product	Office	Lasted
Aug 18, 3:36 AM AKDT	Gale Warning	AFC	36 hr
Aug 18, 3:36 AM AKDT	Small Craft Advisory	AFC	3 days
Aug 18, 3:01 PM AKDT	Small Craft Advisory	AFC	13 hr
Aug 18, 3:05 PM AKDT	Small Craft Advisory	AFC	61 hr

Nearby

Small Craft Advisories in Alaska, 2021 Every small craft advisory in 2021

Sources

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