Small Craft Advisory 570, NWS Anchorage, AK

Issued

Jul 20, 2021, 3:52 PM AKDT (23:52 UTC)

Expired

Jul 21, 2021, 3:45 PM AKDT

In force

24 hr

Issued by

NWS Anchorage, AK

599 
FZAK51 PAFC 202352
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
352 PM AKDT Tue Jul 20 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.

PKZ197-211245-
352 PM AKDT Tue Jul 20 2021
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

Ridging over the Central Gulf moves to the Eastern Gulf by Wed 
morning. A 1007 mb low forms Wed morning 18 nm Southwest of Kodiak
City, then moves 139 NM East of Kodiak City by Thu afternoon. Its
front moves across the Gulf through Thu afternoon.

$$

PKZ119-211245-
Cape Suckling to Cape Cleare-
352 PM AKDT Tue Jul 20 2021

...SMALL CRAFT ADVISORY WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...Variable wind 10 kt becoming SE after midnight. Seas 2 ft.
.WED...SE wind 15 kt increasing to 25 kt in the afternoon. Seas 4 ft. Rain.
.WED NIGHT...E wind 30 kt. Seas 7 ft. Rain.
.THU AND THU NIGHT...E wind 30 kt. Seas 9 ft.
.FRI...E wind 25 kt. Seas 8 ft.
.SAT...E wind 15 kt. Seas 5 ft.
.SUN...Variable wind 10 kt. Seas 3 ft.

$$

PKZ120-211245-
Cape Cleare to Gore Point-
352 PM AKDT Tue Jul 20 2021

...SMALL CRAFT ADVISORY WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 3 ft. Rain.
.WED...E wind 15 kt increasing to 25 kt in the afternoon. Seas 5 ft.
Rain.
.WED NIGHT...E wind 25 kt. Seas 6 ft. Rain.
.THU AND THU NIGHT...NE wind 30 kt. Seas 9 ft.
.FRI...NE wind 25 kt. Seas 8 ft.
.SAT...E wind 15 kt. Seas 5 ft.
.SUN...Variable wind 10 kt. Seas 2 ft.

$$

PKZ121-211245-
Resurrection Bay-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...S wind 10 kt in the evening becoming variable less than
10 kt. Seas 2 ft. Rain.
.WED...Variable wind less than 10 kt. Seas 2 ft. Rain.
.WED NIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain.
.THU AND THU NIGHT...N wind 10 kt. Seas 2 ft.
.FRI THROUGH SUN...Variable wind 10 kt. Seas 2 ft.

$$

PKZ125-211245-
Prince William Sound-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...Variable wind less than 10 kt becoming E 10 kt after
midnight. Seas 2 ft.
.WED...E wind 20 kt. Seas 3 ft. Rain.
.WED NIGHT...E wind 20 kt. Seas 4 ft. Rain.
.THU...NE wind 20 kt. Seas 4 ft.
.THU NIGHT...NE wind 15 kt. Seas 3 ft.
.FRI...NE wind 10 kt. Seas 2 ft.
.SAT...SE wind 10 kt. Seas 2 ft.
.SUN...S wind 10 kt. Seas 2 ft.

$$

PKZ126-211245-
Port Valdez-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...SW wind 15 kt in the evening becoming variable less than 
10 kt. Seas 3 ft.
.WED...Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 2 ft. Rain.
.WED NIGHT...SW wind 10 kt in the evening becoming variable less
than 10 kt. Seas 2 ft.
.THU...Variable wind 10 kt. Seas 2 ft.
.THU NIGHT...SW wind 10 kt. Seas 2 ft.
.FRI THROUGH SAT...E wind 10 kt. Seas 2 ft.
.SUN...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ127-211245-
Valdez Narrows-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...SW wind 20 kt in the evening becoming variable less than 
10 kt. Seas 3 ft.
.WED...Variable wind 10 kt becoming SW 15 kt in the afternoon.
Seas 3 ft. Rain.
.WED NIGHT...SW wind 15 kt in the evening becoming variable less
than 10 kt. Seas 3 ft. Rain.
.THU...Variable wind 15 kt. Seas 3 ft.
.THU NIGHT...SW wind 15 kt. Seas 3 ft.
.FRI...NE wind 10 kt. Seas 2 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SUN...Variable wind 15 kt. Seas 3 ft.

$$

PKZ128-211245-
Valdez Arm-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...SW wind 10 kt in the evening becoming variable less
than 10 kt. Seas 2 ft.
.WED...NE wind 10 kt becoming S in the afternoon. Seas 2 ft. Rain.
.WED NIGHT...NE wind 10 kt. Seas 2 ft.
.THU...Variable wind 10 kt. Seas 2 ft.
.THU NIGHT...N wind 10 kt. Seas 2 ft.
.FRI...Variable wind 10 kt. Seas 2 ft.
.SAT THROUGH SUN...Variable wind 10 kt. Seas 2 ft.

$$

PKZ129-211245-
Passage Canal-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...E wind 10 kt. Seas 2 ft. Rain.
.WED...E wind 10 kt increasing to 15 kt in the afternoon. Seas 2 ft. Rain.
.WED NIGHT...E wind 15 kt. Seas 2 ft. Rain.
.THU...Variable wind less than 10 kt. Seas 2 ft.
.THU NIGHT...E wind 10 kt. Seas 2 ft.
.FRI THROUGH SUN...E wind 10 kt. Seas 2 ft.

$$

PKZ130-211245-
West of Barren Islands including Kamishak Bay-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...SE wind 20 kt. Seas 5 ft. Rain.
.WED...NE wind 15 kt. Seas 4 ft. Rain.
.WED NIGHT...N wind 20 kt. Seas 5 ft. Rain.
.THU...N wind 20 kt. Seas 5 ft.
.THU NIGHT...NW wind 15 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.SAT THROUGH SUN...Variable wind 10 kt. Seas 3 ft.

$$

PKZ131-211245-
Barren Islands East-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...SE wind 15 kt. Seas 3 ft. Rain.
.WED...SE wind 15 kt. Seas 4 ft. Rain.
.WED NIGHT...N wind 20 kt. Seas 6 ft. Rain.
.THU...NE wind 25 kt. Seas 8 ft.
.THU NIGHT...NE wind 30 kt. Seas 9 ft.
.FRI...NE wind 25 kt. Seas 8 ft.
.SAT...NE wind 15 kt. Seas 5 ft.
.SUN...Variable wind 10 kt. Seas 2 ft.

$$

PKZ132-211245-
Marmot Island to Sitkinak-
352 PM AKDT Tue Jul 20 2021

...SMALL CRAFT ADVISORY WEDNESDAY NIGHT...

.TONIGHT...S wind 15 kt. Seas 5 ft.
.WED...W wind 20 kt. Seas 5 ft.
.WED NIGHT...W wind 25 kt. Seas 6 ft.
.THU AND THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...N wind 20 kt. Seas 7 ft.
.SUN...Variable wind 10 kt. Seas 3 ft.

$$

PKZ136-211245-
Chiniak Bay-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...S wind 15 kt in the evening becoming variable less than
10 kt. Seas 2 ft. Rain.
.WED...N wind 10 kt. Seas 2 ft. Rain.
.WED NIGHT...NW wind 20 kt. Seas 2 ft. Rain.
.THU...N wind 15 kt. Seas 3 ft.
.THU NIGHT...N wind 20 kt. Seas 4 ft.
.FRI...N wind 20 kt. Seas 3 ft.
.SAT...NE wind 10 kt. Seas 3 ft.
.SUN...Variable wind less than 10 kt. Seas 3 ft.

$$

PKZ137-211245-
Marmot Bay-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...E wind 10 kt in the evening becoming variable less than
10 kt. Seas 3 ft. Rain.
.WED...Variable wind less than 10 kt becoming W 15 kt in the
afternoon. Seas 2 ft.
.WED NIGHT...NW wind 15 kt. Seas 2 ft. Rain.
.THU...N wind 15 kt. Seas 3 ft.
.THU NIGHT...N wind 20 kt. Seas 4 ft.
.FRI...N wind 15 kt. Seas 3 ft.
.SAT...Variable wind less than 10 kt. Seas 3 ft.
.SUN...E wind 10 kt. Seas 3 ft.

$$

PKZ138-211245-
Shelikof Strait-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...SW wind 15 kt. Seas 3 ft. Rain.
.WED...W wind 15 kt. Seas 3 ft.
.WED NIGHT...NW wind 20 kt. Seas 4 ft. Rain.
.THU AND THU NIGHT...N wind 20 kt. Seas 4 ft.
.FRI...N wind 15 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SUN...Variable wind 10 kt. Seas 2 ft.

$$

PKZ139-211245-
Cook Inlet Kalgin Island to Point Bede-
352 PM AKDT Tue Jul 20 2021

...SMALL CRAFT ADVISORY WEDNESDAY NIGHT...

.TONIGHT...N wind 10 kt. Seas 2 ft. Rain.
.WED...N wind 10 kt increasing to 15 kt in the afternoon. Seas 4 ft. Rain.
.WED NIGHT...N wind 25 kt. Seas 5 ft. Rain.
.THU...N wind 20 kt. Seas 5 ft.
.THU NIGHT...N wind 15 kt. Seas 4 ft.
.FRI THROUGH SUN...S wind 15 kt. Seas 3 ft.

$$

PKZ140-211245-
Cook Inlet North of Kalgin Island-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...Variable wind less than 10 kt. Seas 1 ft. Rain.
.WED...NE wind 10 kt increasing to 20 kt in the afternoon. Seas 2 ft
building to 4 ft in the afternoon. Rain.
.WED NIGHT...NE wind 20 kt. Seas 5 ft. Rain.
.THU...NE wind 15 kt. Seas 4 ft.
.THU NIGHT...NE wind 10 kt. Seas 3 ft.
.FRI THROUGH SUN...SW wind 15 kt. Seas 4 ft.

$$

PKZ141-211245-
Kachemak Bay-
352 PM AKDT Tue Jul 20 2021

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain.
.WED...Variable wind less than 10 kt. Seas 2 ft. Rain.
.WED NIGHT...Variable wind less than 10 kt becoming NW 10 kt after
midnight. Seas 2 ft. Rain.
.THU...N wind 10 kt. Seas 2 ft.
.THU NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.FRI THROUGH SUN...Variable wind less than 10 kt. Seas 2 ft.

$$

755 
FZAK51 PAFC 211113
CWFAER

Coastal Waters Forecast
National Weather Service Anchorage Alaska
313 AM AKDT Wed Jul 21 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.

PKZ197-212345-
313 AM AKDT Wed Jul 21 2021
.SYNOPSIS FOR THE NORTH GULF COAST+KODIAK ISLAND WATERS+
COOK INLET...

A 1007 mb low forms Wed morning 18 nm southwest of Kodiak City, 
then moves to 90 nm east of Kodiak City by Wed afternoon and to 160 
nm southeast of Kodiak City by Thu afternoon. Its front moves across
the Gulf through Fri morning.

$$

PKZ119-212345-
Cape Suckling to Cape Cleare-
313 AM AKDT Wed Jul 21 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...SE wind 25 kt. Seas 4 ft. Rain.
.TONIGHT...E wind 30 kt. Seas 7 ft. Rain.
.THU...E wind 25 kt. Seas 8 ft. Rain.
.THU NIGHT...E wind 25 kt. Seas 8 ft.
.FRI...E wind 25 kt. Seas 8 ft.
.SAT...E wind 15 kt. Seas 5 ft.
.SUN...Variable wind 10 kt. Seas 3 ft.

$$

PKZ120-212345-
Cape Cleare to Gore Point-
313 AM AKDT Wed Jul 21 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...E wind 25 kt. Seas 5 ft. Rain.
.TONIGHT...E wind 25 kt. Seas 7 ft. Rain.
.THU...E wind 25 kt. Seas 8 ft. Rain.
.THU NIGHT...NE wind 25 kt. Seas 8 ft.
.FRI...NE wind 25 kt. Seas 8 ft.
.SAT...E wind 15 kt. Seas 5 ft.
.SUN...Variable wind 10 kt. Seas 3 ft.

$$

PKZ121-212345-
Resurrection Bay-
313 AM AKDT Wed Jul 21 2021

.TODAY...Variable wind less than 10 kt. Seas 2 ft. Rain.
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain.
.THU...Variable wind less than 10 kt becoming N 10 kt in the
afternoon. Seas 2 ft. Rain.
.THU NIGHT...N wind 10 kt. Seas 2 ft.
.FRI THROUGH SUN...Variable wind 10 kt. Seas 2 ft.

$$

PKZ125-212345-
Prince William Sound-
313 AM AKDT Wed Jul 21 2021

.TODAY...E wind 20 kt. Seas 4 ft. Rain.
.TONIGHT...E wind 20 kt. Seas 4 ft. Rain.
.THU...NE wind 20 kt. Seas 4 ft.
.THU NIGHT...NE wind 15 kt. Seas 3 ft.
.FRI...NE wind 10 kt. Seas 2 ft.
.SAT...Variable wind less than 10 kt. Seas 2 ft.
.SUN...SW wind 10 kt. Seas 2 ft.

$$

PKZ126-212345-
Port Valdez-
313 AM AKDT Wed Jul 21 2021

.TODAY...Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 2 ft. Rain.
.TONIGHT...SW wind 10 kt in the evening becoming variable less
than 10 kt. Seas 2 ft.
.THU...Variable wind less than 10 kt becoming W 10 kt in the
afternoon. Seas 2 ft.
.THU NIGHT...SW wind 10 kt. Seas 2 ft.
.FRI THROUGH SAT...E wind 10 kt. Seas 2 ft.
.SUN...Variable wind less than 10 kt. Seas 2 ft.

$$

PKZ127-212345-
Valdez Narrows-
313 AM AKDT Wed Jul 21 2021

.TODAY...SW wind 10 kt increasing to 15 kt in the afternoon. Seas 3 
ft. Rain.
.TONIGHT...SW wind 10 kt in the evening becoming variable less
than 10 kt. Seas 2 ft. Rain.
.THU...Variable wind less than 10 kt becoming SW wind 20 kt in the
afternoon. Seas 3 ft.
.THU NIGHT...SW wind 15 kt. Seas 3 ft.
.FRI...NE wind 10 kt. Seas 2 ft.
.SAT...Variable wind 10 kt. Seas 2 ft.
.SUN...Variable wind 15 kt. Seas 3 ft.

$$

PKZ128-212345-
Valdez Arm-
313 AM AKDT Wed Jul 21 2021

.TODAY...NE wind 10 kt. Seas 2 ft.
.TONIGHT...NE wind 10 kt. Seas 2 ft. Rain.
.THU...Variable wind 10 kt. Seas 2 ft.
.THU NIGHT...N wind 10 kt. Seas 2 ft.
.FRI...Variable wind 10 kt. Seas 2 ft.
.SAT THROUGH SUN...Variable wind 10 kt. Seas 2 ft.

$$

PKZ129-212345-
Passage Canal-
313 AM AKDT Wed Jul 21 2021

.TODAY...E wind 15 kt. Seas 2 ft. Rain.
.TONIGHT...E wind 20 kt. Seas 3 ft. Rain.
.THU...E wind 10 kt. Seas 2 ft. Rain.
.THU NIGHT...E wind 10 kt. Seas 2 ft.
.FRI THROUGH SUN...E wind 10 kt. Seas 2 ft.

$$

PKZ130-212345-
West of Barren Islands including Kamishak Bay-
313 AM AKDT Wed Jul 21 2021

.TODAY...E wind 15 kt. Seas 3 ft. Rain.
.TONIGHT...N wind 15 kt. Seas 4 ft. Rain.
.THU...NW wind 20 kt. Seas 5 ft. Rain.
.THU NIGHT...N wind 15 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.SAT THROUGH SUN...Variable wind 10 kt. Seas 3 ft.

$$

PKZ131-212345-
Barren Islands East-
313 AM AKDT Wed Jul 21 2021

.TODAY...E wind 15 kt. Seas 4 ft. Rain.
.TONIGHT...N wind 15 kt. Seas 6 ft. Rain.
.THU...N wind 20 kt. Seas 7 ft. Rain.
.THU NIGHT...NE wind 20 kt. Seas 9 ft.
.FRI...NE wind 25 kt. Seas 8 ft.
.SAT...NE wind 15 kt. Seas 5 ft.
.SUN...Variable wind 10 kt. Seas 3 ft.

$$

PKZ132-212345-
Marmot Island to Sitkinak-
313 AM AKDT Wed Jul 21 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...W wind 20 kt. Seas 4 ft.
.TONIGHT...W wind 25 kt. Seas 6 ft.
.THU...NW wind 20 kt. Seas 6 ft.
.THU NIGHT...NW wind 25 kt. Seas 6 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT...NE wind 15 kt. Seas 6 ft.
.SUN...E wind 15 kt. Seas 3 ft.

$$

PKZ136-212345-
Chiniak Bay-
313 AM AKDT Wed Jul 21 2021

.TODAY...Variable wind less than 10 kt becoming N 10 kt in the
afternoon. Seas 2 ft. Rain.
.TONIGHT...NW wind 15 kt. Seas 2 ft. Rain.
.THU...NW wind 15 kt. Seas 2 ft. Rain.
.THU NIGHT...NW wind 15 kt. Seas 3 ft.
.FRI...N wind 20 kt. Seas 3 ft.
.SAT...NE wind 10 kt. Seas 3 ft.
.SUN...Variable wind less than 10 kt. Seas 3 ft.

$$

PKZ137-212345-
Marmot Bay-
313 AM AKDT Wed Jul 21 2021

.TODAY...Variable wind less than 10 kt becoming W 15 kt in the
afternoon. Seas 2 ft.
.TONIGHT...W wind 15 kt. Seas 3 ft. Rain.
.THU...NW wind 15 kt. Seas 2 ft. Rain.
.THU NIGHT...NW wind 15 kt. Seas 2 ft.
.FRI...N wind 15 kt. Seas 3 ft.
.SAT...NE wind 10 kt. Seas 3 ft.
.SUN...E wind 10 kt. Seas 3 ft.

$$

PKZ138-212345-
Shelikof Strait-
313 AM AKDT Wed Jul 21 2021

.TODAY...W wind 20 kt. Seas 4 ft.
.TONIGHT...NW wind 20 kt. Seas 4 ft.
.THU...NW wind 15 kt. Seas 3 ft.
.THU NIGHT...NW wind 20 kt. Seas 4 ft.
.FRI...N wind 15 kt. Seas 3 ft.
.SAT THROUGH SUN...Variable wind 10 kt. Seas 2 ft.

$$

PKZ139-212345-
Cook Inlet Kalgin Island to Point Bede-
313 AM AKDT Wed Jul 21 2021

.TODAY...N wind 20 kt. Seas 3 ft building to 5 ft in the
afternoon. Rain.
.TONIGHT...N wind 20 kt. Seas 5 ft. Rain.
.THU...N wind 20 kt. Seas 5 ft. Rain.
.THU NIGHT...N wind 20 kt. Seas 5 ft.
.FRI...NW wind 10 kt. Seas 3 ft.
.SAT THROUGH SUN...S wind 10 kt. Seas 3 ft.

$$

PKZ140-212345-
Cook Inlet North of Kalgin Island-
313 AM AKDT Wed Jul 21 2021

.TODAY...NE wind 20 kt. Seas 3 ft building to 5 ft in the
afternoon. Rain.
.TONIGHT...NE wind 20 kt. Seas 5 ft. Rain.
.THU...NE wind 20 kt. Seas 5 ft. Rain.
.THU NIGHT...NE wind 15 kt. Seas 4 ft.
.FRI...Variable wind less than 10 kt. Seas 3 ft.
.SAT...SW wind 10 kt. Seas 3 ft.
.SUN...SW wind 15 kt. Seas 3 ft.

$$

PKZ141-212345-
Kachemak Bay-
313 AM AKDT Wed Jul 21 2021

.TODAY...Variable wind less than 10 kt. Seas 2 ft. Rain.
.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Rain.
.THU...Variable wind less than 10 kt. Seas 2 ft. Rain.
.THU NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.FRI THROUGH SUN...Variable wind less than 10 kt. Seas 2 ft.

$$

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

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