Small Craft Advisory 127, NWS Fairbanks, AK

366 
FZAK51 PAFG 182200
CWFNSB

Coastal Waters Forecast for Arctic Alaska
National Weather Service Fairbanks AK
200 PM AKDT Sat Sep 18 2021

Arctic Alaska Coastal Waters out 100 NM

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest one-
third of the combined wind-wave and swell height.

PKZ298-191515-
200 PM AKDT Sat Sep 18 2021

.SYNOPSIS FOR ARCTIC COAST...
A broad 998 MB low 200 NM NE of Wrangel Island will move to 70 NM
N of Utqiagvik as a 988 MB low by 4am Sun. It will slowly move NE
to 150 NM NE of Utqiagvik as a 991 MB low by 4am Mon.

$$

PKZ225-191515-
Cape Thompson to Cape Beaufort-
200 PM AKDT Sat Sep 18 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE THIS AFTERNOON
THROUGH SUNDAY AFTERNOON...

.TONIGHT...NW winds 25 kt. Seas 7 ft. Fog.
.SUN...NW winds 25 kt. Seas 7 ft. Snow showers and rain showers. 
.SUN NIGHT...NW winds 25 kt. Seas 9 ft. Snow showers and rain
showers. 
.MON...NW winds 25 kt. Seas 8 ft. 
.MON NIGHT...NW winds 25 kt. Seas 7 ft. 
.TUE...NW winds 20 kt. Seas 7 ft. 
.TUE NIGHT...NW winds 15 kt. Seas 5 ft. 
.WED...N winds 10 kt. Seas 3 ft. 
.THU...NE winds 15 kt. Seas 2 ft.  

$$

PKZ230-191515-
Cape Beaufort to Point Franklin-
200 PM AKDT Sat Sep 18 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SUNDAY AFTERNOON...

.TONIGHT...W winds 25 kt. Seas 6 ft. Snow showers and rain
showers. Freezing spray. 
.SUN...W winds 30 kt. Seas 6 ft. Fog. Rain showers. Freezing
spray. 
.SUN NIGHT...NW winds 30 kt. Seas 6 ft. Fog. Rain showers.
Freezing spray. 
.MON...W winds 30 kt. Seas 8 ft. Freezing spray. 
.MON NIGHT...NW winds 30 kt. Seas 8 ft. Snow showers and rain
showers. 
.TUE...NW winds 20 kt. Seas 7 ft. Freezing spray.
.TUE NIGHT...NW winds 15 kt. Seas 5 ft. 
.WED...N winds 10 kt. Seas 3 ft. 
.THU...N winds 10 kt. Seas 3 ft.  

$$

PKZ235-191515-
Point Franklin to Cape Halkett-
200 PM AKDT Sat Sep 18 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM TONIGHT THROUGH SUNDAY
AFTERNOON...

.TONIGHT...S winds 20 kt becoming SW 30 kt. Seas 4 ft building to
6 ft. Fog. Snow showers. 
.SUN...SW winds 30 kt. Seas 8 ft. Freezing fog. Snow showers.
Freezing spray. 
.SUN NIGHT...NW winds 30 kt. Seas 8 ft. Fog and freezing fog.
Freezing spray. 
.MON...W winds 30 kt. Seas 8 ft. Snow showers. Freezing spray. 
.MON NIGHT...W winds 25 kt. Seas 9 ft. Snow showers. 
.TUE...NW winds 20 kt. Seas 8 ft. Freezing spray.
.TUE NIGHT...NW winds 15 kt. Seas 5 ft. 
.WED...NW winds 15 kt. Seas 6 ft. 
.THU...NW winds 10 kt. Seas 5 ft.  

$$

PKZ240-191515-
Cape Halkett to Flaxman Island-
200 PM AKDT Sat Sep 18 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY AFTERNOON...

.TONIGHT...S winds 20 kt. Seas building to 4 ft. Fog.
.SUN...W winds 25 kt. Seas 5 ft. Freezing fog and fog.
.SUN NIGHT...SW winds 30 kt. Seas 8 ft. Fog and freezing fog. 
.MON...W winds 30 kt. Seas 8 ft. Freezing spray. 
.MON NIGHT...SW winds 30 kt. Seas 9 ft. 
.TUE...NW winds 25 kt. Seas 6 ft. 
.TUE NIGHT...W winds 20 kt. Seas 7 ft. 
.WED...W winds 15 kt. Seas 6 ft. 
.THU...W winds 10 kt. Seas 6 ft.  

$$

PKZ245-191515-
Flaxman Island to Demarcation Point-
200 PM AKDT Sat Sep 18 2021

.TONIGHT...NW winds 10 kt becoming SE. Seas 2 ft. Freezing fog. 
.SUN...S winds 20 kt. Seas 4 ft. Fog and freezing fog. 
.SUN NIGHT...SW winds 25 kt. Seas 5 ft. Fog and freezing fog. 
.MON...SW winds 25 kt. Seas 8 ft. Freezing spray. 
.MON NIGHT...SW winds 25 kt. Seas 8 ft. 
.TUE...SW winds 25 kt. Seas 7 ft. 
.TUE NIGHT...W winds 25 kt. Seas 9 ft. Freezing spray. 
.WED...W winds 20 kt. Seas 7 ft. 
.THU...W winds 10 kt. Seas 7 ft.  

$$

Sep 21

250 
FZAK51 PAFG 191036
CWFNSB

Coastal Waters Forecast for Arctic Alaska
National Weather Service Fairbanks AK
236 AM AKDT Sun Sep 19 2021

Arctic Alaska Coastal Waters out 100 NM

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest one-
third of the combined wind-wave and swell height.

PKZ298-200215-
236 AM AKDT Sun Sep 19 2021

.SYNOPSIS FOR ARCTIC COAST...
A 990 MB low 100 nm northwest of Point Barrow will move to 7150 
nm north of Prudhoe Bay at 994 mb Mon morning, then into the high 
arctic at 996 mb Tue morning.


$$

PKZ225-200215-
Cape Thompson to Cape Beaufort-
236 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.TODAY...W winds 25 kt. Seas 9 ft building to 12 ft. Snow showers
and rain showers. 
.TONIGHT...NW winds 25 kt. Seas 12 ft. Freezing fog. 
.MON...NW winds 20 kt. Seas 8 ft. 
.MON NIGHT...NW winds 25 kt. Seas 10 ft. 
.TUE...NW winds 20 kt. Seas 7 ft. 
.TUE NIGHT...N winds 15 kt. Seas 4 ft. 
.WED...NW winds 15 kt. Seas 3 ft. 
.THU...NW winds 15 kt. Seas 3 ft.  

$$

PKZ230-200215-
Cape Beaufort to Point Franklin-
236 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.TODAY...W winds 30 kt. Seas 8 ft building to 12 ft. Snow showers
and rain showers.
.TONIGHT...NW winds 25 kt. Seas 11 ft. Freezing fog. Freezing
spray. 
.MON...W winds 30 kt. Seas 12 ft. Snow showers and rain showers.
Freezing spray. 
.MON NIGHT...NW winds 25 kt. Seas 13 ft. Snow showers and rain
showers. Freezing spray. 
.TUE...NW winds 20 kt. Seas 8 ft. Rain showers. Freezing spray. 
.TUE NIGHT...NW winds 20 kt. Seas 5 ft. Freezing spray. 
.WED...NW winds 15 kt. Seas 3 ft. 
.THU...NW winds 15 kt. Seas 3 ft.  

$$

PKZ235-200215-
Point Franklin to Cape Halkett-
236 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY MONDAY MORNING...

.TODAY...SW winds 30 kt. Seas 12 ft. Fog and freezing fog.
Freezing spray. 
.TONIGHT...SW winds 25 kt. Seas 11 ft. Freezing fog. 
.MON...W winds 25 kt. Seas 12 ft. Snow showers and rain showers.
Freezing spray. 
.MON NIGHT...W winds 20 kt. Seas 10 ft. Freezing spray. 
.TUE...N winds 15 kt. Seas 8 ft. Freezing spray. 
.TUE NIGHT...NW winds 20 kt. Seas 5 ft. Freezing spray. 
.WED...W winds 20 kt. Seas 4 ft. 
.THU...W winds 15 kt. Seas 3 ft.  

$$

PKZ240-200215-
Cape Halkett to Flaxman Island-
236 AM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE THIS MORNING THROUGH
EARLY MONDAY MORNING...

.TODAY...SW winds 25 kt. Seas 5 ft building to 8 ft. Fog and 
freezing fog. Freezing spray. 
.TONIGHT...SW winds 25 kt. Seas 11 ft. Freezing fog and fog. 
.MON...W winds 30 kt. Seas 10 ft. Rain. Freezing spray. 
.MON NIGHT...SW winds 30 kt. Seas 11 ft. 
.TUE...W winds 20 kt. Seas 7 ft. 
.TUE NIGHT...NW winds 20 kt. Seas 5 ft. Freezing spray. 
.WED...W winds 20 kt. Seas 4 ft. 
.THU...W winds 15 kt. Seas 3 ft.  

$$

PKZ245-200215-
Flaxman Island to Demarcation Point-
236 AM AKDT Sun Sep 19 2021

.TODAY...S winds 15 kt becoming W. Seas building to 5 ft. Fog and
freezing fog. Freezing spray. 
.TONIGHT...W winds 15 kt. Seas 7 ft. Freezing fog. 
.MON...SW winds 25 kt. Seas 10 ft. Freezing spray.
.MON NIGHT...SW winds 25 kt. Seas 11 ft. 
.TUE...SW winds 20 kt. Seas 9 ft. Freezing spray.
.TUE NIGHT...W winds 20 kt. Seas 7 ft. Freezing spray. 
.WED...W winds 20 kt. Seas 6 ft. 
.THU...SW winds 15 kt. Seas 3 ft.  

$$

Sep 21

491 
FZAK51 PAFG 192212
CWFNSB

Coastal Waters Forecast for Arctic Alaska
National Weather Service Fairbanks AK
212 PM AKDT Sun Sep 19 2021

Arctic Alaska Coastal Waters out 100 NM

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest one-
third of the combined wind-wave and swell height.

PKZ298-201430-
212 PM AKDT Sun Sep 19 2021

.SYNOPSIS FOR ARCTIC COAST...
A 990 MB low 75 nm NNW of Utqiagvik will move E to 120 nm N of 
Prudhoe Bay at 993 MB Mon morning, then N to 350 nm N of Prudhoe
Bay at 995 MB Tue morning.

$$

PKZ225-201430-
Cape Thompson to Cape Beaufort-
212 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TONIGHT...

.TONIGHT...NW winds 25 kt. Seas 12 ft. Fog.
.MON...NW winds 20 kt. Seas 8 ft. 
.MON NIGHT...NW winds 30 kt. Seas 10 ft. 
.TUE...NW winds 20 kt. Seas 7 ft. 
.TUE NIGHT...N winds 20 kt. Seas 4 ft. 
.WED...N winds 15 kt. Seas 3 ft. 
.WED NIGHT...NW winds 15 kt. Seas 3 ft. 
.THU...NW winds 15 kt. Seas 3 ft. 
.FRI...W winds 15 kt. Seas 3 ft.  

$$

PKZ230-201430-
Cape Beaufort to Point Franklin-
212 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TONIGHT...NW winds 25 kt. Seas 11 ft. Fog. Freezing spray. 
.MON...W winds 30 kt. Seas 12 ft. Snow showers. Freezing spray. 
.MON NIGHT...NW winds 30 kt. Seas 13 ft. Snow showers. 
.TUE...NW winds 20 kt. Seas 8 ft. Freezing spray.
.TUE NIGHT...NW winds 20 kt. Seas 5 ft. Freezing spray. 
.WED...NW winds 15 kt. Seas 4 ft. Freezing spray. 
.WED NIGHT...NW winds 15 kt. Seas 3 ft. Freezing spray. 
.THU...NW winds 15 kt. Seas 3 ft. 
.FRI...W winds 15 kt. Seas 3 ft.  

$$

PKZ235-201430-
Point Franklin to Cape Halkett-
212 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON...

.TONIGHT...SW winds 25 kt becoming NW. Seas 11 ft. Fog. Snow
showers. 
.MON...W winds 25 kt. Seas 12 ft. Snow showers. Freezing spray. 
.MON NIGHT...W winds 20 kt. Seas 10 ft. 
.TUE...NW winds 15 kt. Seas 8 ft. 
.TUE NIGHT...NW winds 20 kt. Seas 5 ft. Freezing spray. 
.WED...W winds 20 kt. Seas 4 ft. Snow. Freezing spray. 
.WED NIGHT...W winds 20 kt. Seas 4 ft. Freezing spray. 
.THU...W winds 15 kt. Seas 3 ft. 
.FRI...W winds 15 kt. Seas 3 ft.  

$$

PKZ240-201430-
Cape Halkett to Flaxman Island-
212 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY AFTERNOON...

.TONIGHT...SW winds 20 kt. Seas 11 ft. Fog and freezing fog. 
.MON...W winds 30 kt. Seas 10 ft. Freezing spray. 
.MON NIGHT...SW winds 30 kt. Seas 11 ft. 
.TUE...W winds 20 kt. Seas 7 ft. 
.TUE NIGHT...W winds 25 kt. Seas 5 ft. 
.WED...W winds 20 kt. Seas 4 ft. Freezing spray. 
.WED NIGHT...W winds 20 kt. Seas 4 ft. Freezing spray. 
.THU...W winds 15 kt. Seas 3 ft. 
.FRI...SW winds 15 kt. Seas 3 ft.  

$$

PKZ245-201430-
Flaxman Island to Demarcation Point-
212 PM AKDT Sun Sep 19 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY MORNING THROUGH
MONDAY AFTERNOON...

.TONIGHT...SW winds 15 kt. Seas 6 ft building to 8 ft. Fog and
freezing fog. 
.MON...SW winds 25 kt. Seas 10 ft. Freezing spray.
.MON NIGHT...SW winds 25 kt. Seas 11 ft. 
.TUE...SW winds 20 kt. Seas 9 ft. 
.TUE NIGHT...W winds 25 kt. Seas 7 ft. 
.WED...W winds 25 kt. Seas 6 ft. Freezing spray. 
.WED NIGHT...W winds 20 kt. Seas 5 ft. Freezing spray. 
.THU...SW winds 15 kt. Seas 3 ft. 
.FRI...W winds 10 kt. Seas 2 ft.  

$$

Sep 21

831 
FZAK51 PAFG 201203
CWFNSB

Coastal Waters Forecast for Arctic Alaska
National Weather Service Fairbanks AK
403 AM AKDT Mon Sep 20 2021

Arctic Alaska Coastal Waters out 100 NM

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest one-
third of the combined wind-wave and swell height.

PKZ298-210215-
403 AM AKDT Mon Sep 20 2021

.SYNOPSIS FOR ARCTIC COAST...
A 994 MB low 75 nm N of Utqiagvik will move to 120 nm N of 
Prudhoe Bay at 996 MB Mon afternoon, then move into the high 
arctic and weaken through Tue night.


$$

PKZ225-210215-
Cape Thompson to Cape Beaufort-
403 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...

.TODAY...NW winds 25 kt. Seas 8 ft. 
.TONIGHT...NW winds 25 kt. Seas 8 ft. 
.TUE...NW winds 20 kt. Seas 6 ft. 
.TUE NIGHT...N winds 20 kt. Seas 5 ft. Fog.
.WED...N winds 20 kt. Seas 5 ft. Fog and freezing fog. 
.WED NIGHT...N winds 15 kt. Seas 4 ft. Fog and freezing fog. 
.THU...N winds 20 kt. Seas 4 ft. 
.FRI...NW winds 15 kt. Seas 4 ft.  

$$

PKZ230-210215-
Cape Beaufort to Point Franklin-
403 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...

.TODAY...NW winds 30 kt. Seas 9 ft. Snow showers. Freezing spray.
.TONIGHT...NW winds 25 kt. Seas 8 ft. Snow showers. 
.TUE...NW winds 25 kt. Seas 6 ft. Freezing spray.
.TUE NIGHT...NW winds 20 kt. Seas 5 ft. Freezing fog and fog.
Freezing spray. 
.WED...NW winds 15 kt. Seas 4 ft. Freezing fog and fog. Freezing
spray. 
.WED NIGHT...NW winds 15 kt. Seas 4 ft. Freezing fog. 
.THU...NW winds 20 kt. Seas 4 ft. 
.FRI...W winds 15 kt. Seas 4 ft.  

$$

PKZ235-210215-
Point Franklin to Cape Halkett-
403 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...

.TODAY...W winds 25 kt. Seas 7 ft. Snow showers. Freezing spray. 
.TONIGHT...NW winds 25 kt. Seas 6 ft. 
.TUE...NW winds 25 kt. Seas 6 ft. 
.TUE NIGHT...NW winds 20 kt. Seas 4 ft. Freezing fog. Freezing
spray. 
.WED...W winds 20 kt. Seas 4 ft. Freezing fog. Snow. Freezing
spray. 
.WED NIGHT...W winds 15 kt. Seas 5 ft. Freezing fog. 
.THU...W winds 20 kt. Seas 4 ft. 
.FRI...W winds 15 kt. Seas 4 ft.  

$$

PKZ240-210215-
Cape Halkett to Flaxman Island-
403 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...

.TODAY...SW winds 30 kt. Seas 7 ft. Freezing spray. 
.TONIGHT...W winds 25 kt. Seas 6 ft. 
.TUE...W winds 25 kt. Seas 5 ft. 
.TUE NIGHT...W winds 20 kt. Seas 5 ft. 
.WED...W winds 20 kt. Seas 4 ft. Freezing spray. 
.WED NIGHT...W winds 15 kt. Seas 5 ft. 
.THU...W winds 20 kt. Seas 4 ft. 
.FRI...NW winds 10 kt. Seas 4 ft.  

$$

PKZ245-210215-
Flaxman Island to Demarcation Point-
403 AM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT FROM LATE THIS MORNING THROUGH
EARLY TUESDAY MORNING...

.TODAY...SW winds 25 kt. Seas 6 ft building to 8 ft. Freezing
spray. 
.TONIGHT...SW winds 30 kt. Seas 9 ft. 
.TUE...SW winds 25 kt. Seas 6 ft. 
.TUE NIGHT...W winds 25 kt. Seas 6 ft. 
.WED...W winds 25 kt. Seas 5 ft. Freezing spray. 
.WED NIGHT...W winds 15 kt. Seas 5 ft. 
.THU...W winds 20 kt. Seas 4 ft. 
.FRI...NE winds 15 kt. Seas 3 ft.  

$$

Sep 21

875 
FZAK51 PAFG 202245
CWFNSB

Coastal Waters Forecast for Arctic Alaska
National Weather Service Fairbanks AK
245 PM AKDT Mon Sep 20 2021

Arctic Alaska Coastal Waters out 100 NM

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest one-
third of the combined wind-wave and swell height.

PKZ298-211430-
245 PM AKDT Mon Sep 20 2021

.SYNOPSIS FOR ARCTIC COAST...
A 996 MB low 120 nm N of Prudhoe Bay will move into the high 
arctic and weaken through Tue night. High pressure will build over
the Chukchi Sea Tue and the North Slope on Wed.

$$

PKZ225-211430-
Cape Thompson to Cape Beaufort-
245 PM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY TUESDAY MORNING...

.TONIGHT...NW winds 25 kt. Seas 8 ft. 
.TUE...NW winds 20 kt. Seas 6 ft. 
.TUE NIGHT...N winds 20 kt. Seas 5 ft. Fog and freezing fog. 
.WED...N winds 20 kt. Seas 5 ft. Fog and freezing fog. 
.WED NIGHT...N winds 15 kt. Seas 4 ft. Fog and freezing fog. 
.THU...NE winds 15 kt. Seas 4 ft. Freezing fog and fog. 
.THU NIGHT...N winds 20 kt. Seas 4 ft. Fog and freezing fog. 
.FRI...NW winds 15 kt. Seas 4 ft. 
.SAT...W winds 15 kt. Seas 4 ft.  

$$

PKZ230-211430-
Cape Beaufort to Point Franklin-
245 PM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.TONIGHT...NW winds 25 kt. Seas 8 ft. Snow showers. Freezing
spray. 
.TUE...NW winds 25 kt diminishing to 20 kt in the morning.
Seas 6 ft. Snow showers. Freezing spray.
.TUE NIGHT...NW winds 20 kt. Seas 5 ft. Freezing fog and fog.
Freezing spray. 
.WED...NW winds 20 kt. Seas 4 ft. Freezing fog and fog. Freezing
spray. 
.WED NIGHT...NW winds 15 kt. Seas 4 ft. Freezing fog and fog. 
.THU...NW winds 20 kt. Seas 4 ft. Freezing fog. Freezing spray. 
.THU NIGHT...NW winds 15 kt. Seas 4 ft. Freezing fog. Freezing
spray. 
.FRI...W winds 15 kt. Seas 4 ft. 
.SAT...S winds 15 kt. Seas 4 ft.  

$$

PKZ235-211430-
Point Franklin to Cape Halkett-
245 PM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY MORNING...

.TONIGHT...W winds 25 kt. Seas 6 ft. Snow showers. 
.TUE...N winds 25 kt diminishing to 20 kt in the morning.
Seas 6 ft.
.TUE NIGHT...NW winds 20 kt. Seas 4 ft. Freezing fog. Freezing
spray. 
.WED...W winds 25 kt. Seas 4 ft. Freezing fog. Snow showers.
Freezing spray. 
.WED NIGHT...W winds 20 kt. Seas 5 ft. Freezing fog. 
.THU...NW winds 20 kt. Seas 4 ft. Freezing fog. Freezing spray. 
.THU NIGHT...W winds 20 kt. Seas 4 ft. Freezing fog.
.FRI...W winds 15 kt. Seas 4 ft. 
.SAT...S winds 15 kt. Seas 4 ft.  

$$

PKZ240-211430-
Cape Halkett to Flaxman Island-
245 PM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...

.TONIGHT...W winds 25 kt. Seas 6 ft. 
.TUE...W winds 25 kt. Seas 5 ft. 
.TUE NIGHT...W winds 20 kt. Seas 5 ft. 
.WED...W winds 25 kt. Seas 4 ft. Snow showers. Freezing spray. 
.WED NIGHT...W winds 20 kt. Seas 5 ft. Snow showers. 
.THU...W winds 20 kt. Seas 4 ft. Freezing spray. 
.THU NIGHT...W winds 15 kt. Seas 4 ft. Freezing spray. 
.FRI...NW winds 10 kt. Seas 4 ft. 
.SAT...E winds 10 kt. Seas 4 ft.  

$$

PKZ245-211430-
Flaxman Island to Demarcation Point-
245 PM AKDT Mon Sep 20 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON...

.TONIGHT...SW winds 30 kt. Seas 9 ft. 
.TUE...W winds 25 kt. Seas 6 ft. 
.TUE NIGHT...W winds 25 kt. Seas 6 ft. 
.WED...W winds 25 kt. Seas 5 ft. Freezing spray. 
.WED NIGHT...W winds 25 kt. Seas 5 ft. 
.THU...W winds 20 kt. Seas 4 ft. Freezing spray. 
.THU NIGHT...W winds 15 kt. Seas 4 ft. 
.FRI...NE winds 15 kt. Seas 3 ft. 
.SAT...N winds 15 kt. Seas 3 ft.  

$$

Sep 21

539 
FZAK51 PAFG 211146
CWFNSB

Coastal Waters Forecast for Arctic Alaska
National Weather Service Fairbanks AK
346 AM AKDT Tue Sep 21 2021

Arctic Alaska Coastal Waters out 100 NM

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent the average of the highest one-
third of the combined wind-wave and swell height.

PKZ298-220230-
346 AM AKDT Tue Sep 21 2021

.SYNOPSIS FOR ARCTIC COAST...
A 996 MB low 120 nm N of Prudhoe Bay will move into the high 
arctic and weaken through Tue night. High pressure will build over
the Chukchi Sea Tue and the North Slope on Wed.

A 999 MB low 120 nm N of Prudhoe Bay will move into the high 
arctic and weaken through Wed. Weak high pressure will form along 
the Arctic Coast Wed night.

$$

PKZ225-220230-
Cape Thompson to Cape Beaufort-
346 AM AKDT Tue Sep 21 2021

.TODAY...NW winds 20 kt. Seas 7 ft. 
.TONIGHT...N winds 20 kt. Seas 5 ft. Fog and freezing fog. 
.WED...N winds 15 kt. Seas 5 ft. Fog and freezing fog. 
.WED NIGHT...N winds 10 kt. Seas 4 ft. Fog and freezing fog. 
.THU...NE winds 15 kt. Seas 4 ft. Freezing fog and fog. 
.THU NIGHT...N winds 20 kt. Seas 4 ft. Fog and freezing fog.
Freezing spray. 
.FRI...N winds 20 kt. Seas 5 ft. 
.SAT...N winds 15 kt. Seas 5 ft.  

$$

PKZ230-220230-
Cape Beaufort to Point Franklin-
346 AM AKDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...NW winds 25 kt. Seas 7 ft. Snow showers. Freezing spray.
.TONIGHT...NW winds 20 kt. Seas 5 ft. Freezing fog and fog.
Freezing spray. 
.WED...NW winds 20 kt. Seas 4 ft. Freezing fog and fog. Freezing
spray. 
.WED NIGHT...NW winds 15 kt. Seas 3 ft. Freezing fog and fog. 
.THU...NW winds 15 kt. Seas 3 ft. Freezing fog. Freezing spray. 
.THU NIGHT...N winds 15 kt. Seas 4 ft. Freezing fog. Freezing
spray. 
.FRI...NE winds 15 kt. Seas 5 ft. 
.SAT...E winds 15 kt. Seas 5 ft.  

$$

PKZ235-220230-
Point Franklin to Cape Halkett-
346 AM AKDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...NW winds 25 kt. Seas 7 ft. 
.TONIGHT...NW winds 20 kt. Seas 4 ft. Freezing fog. Freezing
spray. 
.WED...NW winds 20 kt. Seas 4 ft. Freezing fog. Snow showers.
Freezing spray. 
.WED NIGHT...W winds 15 kt. Seas 4 ft. Freezing fog. 
.THU...NW winds 15 kt. Seas 3 ft. Freezing fog. Freezing spray. 
.THU NIGHT...N winds 15 kt. Seas 4 ft. Freezing fog. Freezing
spray. 
.FRI...NE winds 15 kt. Seas 5 ft. 
.SAT...E winds 15 kt. Seas 5 ft.  

$$

PKZ240-220230-
Cape Halkett to Flaxman Island-
346 AM AKDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THIS AFTERNOON...

.TODAY...W winds 25 kt. Seas 6 ft. 
.TONIGHT...W winds 20 kt. Seas 5 ft. 
.WED...W winds 25 kt. Seas 5 ft. Snow showers. Freezing spray. 
.WED NIGHT...W winds 20 kt. Seas 4 ft. Snow showers. 
.THU...W winds 15 kt. Seas 4 ft. Freezing spray. 
.THU NIGHT...W winds 10 kt. Seas 4 ft. Freezing fog. Freezing
spray. 
.FRI...E winds 15 kt. Seas 5 ft. 
.SAT...E winds 20 kt. Seas 5 ft.  

$$

PKZ245-220230-
Flaxman Island to Demarcation Point-
346 AM AKDT Tue Sep 21 2021

...SMALL CRAFT ADVISORY IN EFFECT THROUGH EARLY WEDNESDAY
MORNING...

.TODAY...SW winds 25 kt. Seas 7 ft. 
.TONIGHT...W winds 25 kt. Seas 6 ft. 
.WED...W winds 25 kt. Seas 5 ft. Freezing spray. 
.WED NIGHT...W winds 20 kt. Seas 5 ft. 
.THU...W winds 15 kt. Seas 4 ft. Freezing spray. 
.THU NIGHT...S winds 15 kt. Seas 4 ft. Freezing fog. Freezing
spray. 
.FRI...E winds 15 kt. Seas 4 ft. 
.SAT...E winds 20 kt. Seas 5 ft.  

$$

Sep 21

Northern Alaska Forecast Discussion
National Weather Service Fairbanks AK
404 PM AKDT Fri Sep 17 2021

.SYNOPSIS...
Several cold fronts will track east across Northern Alaska
through Mon. The first front will move from its current location
in NW Alaska to the ALCAN Border by Sat night, and bring several
inches of snow to the Brooks Range, and 1 inch or less to the
Eastern Interior above 2000 feet. It will bring temperatures in
the 30s and low 40s along with winds of 10-15 mph on Sat.

The second cold front will move to NW Alaska Sat PM, to the
Western North Slope and Western Interior Sat night, to the
Central North Slope and Central and Western Interior on Sun, then
to the Eastern North Slope, Eastern Interior and Southwest Interior
Sun night and Mon. This will bring several inches of wet snow to
many areas Sun into Mon with temps in the 20s and 30s Sun night
and Mon. Areas can expect 2-4 inches of snow over the North Slope
and areas above 1000 ft of the Interior.

Aloft...
A long wave trough over Alaska Will persist into next week.
Several short wave trough will move from Russia east across
Northern Alaska pushing cold fronts and their associated weather
east with them. These troughs will pull colder air across Northern
AK and cause temperatures to cool dramatically through Mon.
This cold pattern will persist for much of next week.

Surface...
A 999 MB low 300 NM north of Barter Island will move north
tonight. A low pressure trough stretching south from this low to
Delta junction will weaken tonight. Areas of light rain and snow
along this will taper off tonight.

 A 998 MB low north of Wrangel Island will move to 200 NM
northwest of Utqiagvik as a 996 mb low by 4pm Sat, and to 100 NM
north of Utqiagvik as a 992 mb low by 4pm Sat. A cold front
stretching from this low to Utqiagvik to the YK Delta will move to
Deadhorse to Denali by 4am Sat, to Barter Island to Tok by 4pm
Sat and along the ALCAN Border Sat night. This will bring several
inches of snow to the Brooks Range, and 1 inch or less to the
Eastern Interior above 1500 feet. It will bring temperatures in
the 30s and low 40s along with winds of 10-15 mph on Sat.

A 1002 mb low southwest of Wrangel Island will move to the
southern Chukchi sea as a 1002 mb low by 4pm Sat, to Anaktuvuk
Pass by 4pm Sun, and then to Inuvik on Mon. A cold front trailing
this low will move south over the Seward On on Sat night, to
Anaktuvuk Pass to Gambell by 4pm Sun, and to Old Crow to Delta
Junction by 4pm Mon. This will bring several inches of wet snow
to many areas Sun into Mon with temps in the 20s and 30s Sun night
and Mon. Areas can expect 2-4 inches of snow over the North Slope,
with several inches over the Interior above 1000 ft.

&&

.DISCUSSION...
At 12Z, models initialize well aloft. Models show similar
solutions aloft through 4pm Sun, with slight differences showing
up by 4pm Mon. Will use a blend of the NAM/GFS/ECMF through Sun,
with more uncertainty for timing of frontal movements on Sun night
and Mon.

With precipitation, models show similar solutions through 4pm
Sun, with differences showing up with locations Sun night and Mon.
Will use a blend of the NAM/GFS and ECMF for precip, but with
greater uncertainty of amounts and locations for precip Sun night
and Mon.

At the surface at 15Z, models verify well on features near Alaska.
Models show similar surface solutions through 4am Sun, with
models then differing on the location and strength of the low just
north of Utqiagvik for later on Sun and Mon. At this time we will
use the GFS for surface features and winds since it shows slower
movement on the low near Utqiagvik Sun with movement picking up on
Mon which better aligns with the low aloft. One caveat is that
there is increasing uncertainty of location and strength of
surface features on Mon.

Bottom line is that we will use a blend of models for temps,
clouds, precip through Mon with greater uncertainty Sun night and
Mon. For surface features and winds will will use the GFS with
the caveat that there is increasing uncertainty of location and
strength of surface features on Mon.

Coastal Hazard Potential Days 3 and 4...
Elevated surf from the Bering Strait to Utqiagvik from Sat night
through Mon.

&&

.HYDROLOGY...
Rivers slowly falling. No flooding expected.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
None.
&&

JB SEP 21