Storm Warning 80, NWS Anchorage, AK

Issued

Mar 19, 2023, 2:56 PM AKDT (22:56 UTC)

Expired

Mar 20, 2023, 3:30 AM AKDT

In force

13 hr

Issued by

NWS Anchorage, AK

066 
FZAK52 PAFC 192256
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
256 PM AKDT Sun Mar 19 2023

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

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.

PKZ199-201130-
256 PM AKDT Sun Mar 19 2023
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A strong 956 mb low 210 nm North of Kiska moves over the Chukotsk 
Peninsula at 980 mb for Tue afternoon. Its front sweeps across the 
Aleutians and Bering into Western Alaska by Tue morning. A 980 mb Sea
of Okhotsk low drives to 135 nm North of Cold Bay at 986 mb for Tue 
afternoon. Its front extends across the Alaska Peninsula by Tue 
afternoon. 

$$

PKZ750-201130-
Sitkinak to Castle Cape out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY MONDAY...

.TONIGHT...NW wind 15 kt becoming S after midnight. Seas 5 ft.
.MON...SW wind 30 kt. Seas 9 ft. Rain and snow.
.MON NIGHT...W wind 20 kt. Seas 7 ft.
.TUE...S wind 20 kt. Seas 6 ft.
.TUE NIGHT...NE wind 30 kt. Seas 11 ft.
.WED...NW wind 35 kt. Seas 13 ft.
.THU...W wind 30 kt. Seas 7 ft.
.FRI...NW wind 20 kt. Seas 6 ft.

$$

PKZ751-201130-
Sitkinak to Castle Cape from 15 to 100 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...W wind 20 kt. Seas 8 ft.
.MON...S wind 30 kt. Seas 11 ft. Rain and snow.
.MON NIGHT...W wind 25 kt. Seas 10 ft.
.TUE...S wind 20 kt. Seas 9 ft.
.TUE NIGHT...NW wind 30 kt. Seas 14 ft.
.WED...NW wind 40 kt. Seas 21 ft.
.THU...W wind 35 kt. Seas 16 ft.
.FRI...W wind 25 kt. Seas 10 ft.

$$

PKZ752-201130-
Castle Cape to Cape Tolstoi out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...SW wind 15 kt becoming S 25 kt after midnight. Seas 7
ft. Snow and rain.
.MON...SW wind 25 kt. Seas 8 ft.
.MON NIGHT...W wind 20 kt. Seas 6 ft.
.TUE...S wind 20 kt. Seas 6 ft.
.TUE NIGHT...NW wind 30 kt. Seas 9 ft.
.WED...W wind 30 kt. Seas 9 ft.
.THU...W wind 25 kt. Seas 5 ft.
.FRI...W wind 15 kt. Seas 4 ft.

$$

PKZ753-201130-
Castle Cape to Cape Tolstoi from 15 to 100 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 20 kt becoming S 30 kt after midnight. Seas
10 ft. Snow and rain.
.MON...SW wind 30 kt. Seas 12 ft.
.MON NIGHT...W wind 25 kt. Seas 12 ft.
.TUE...S wind 25 kt. Seas 9 ft.
.TUE NIGHT...W wind 40 kt. Seas 19 ft.
.WED...W wind 35 kt. Seas 19 ft.
.THU...W wind 30 kt. Seas 14 ft.
.FRI...W wind 20 kt. Seas 9 ft.

$$

PKZ754-201130-
Cape Tolstoi to Cape Sarichef out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 6 ft building to 11 ft after
midnight. Rain and snow.
.MON...SW wind 30 kt. Seas 10 ft.
.MON NIGHT...W wind 25 kt. Seas 10 ft.
.TUE...S wind 25 kt. Seas 8 ft.
.TUE NIGHT...NW wind 30 kt. Seas 10 ft.
.WED...W wind 30 kt. Seas 10 ft.
.THU...W wind 25 kt. Seas 6 ft.
.FRI...W wind 15 kt. Seas 6 ft.

$$

PKZ755-201130-
Cape Tolstoi to Cape Sarichef from 15 to 100 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 13 ft. Rain with snow.
.MON...SW wind 30 kt. Seas 14 ft.
.MON NIGHT...W wind 25 kt. Seas 13 ft. Snow.
.TUE...SW wind 30 kt. Seas 13 ft.
.TUE NIGHT...NW wind 40 kt. Seas 18 ft.
.WED...W wind 35 kt. Seas 17 ft.
.THU...W wind 30 kt. Seas 12 ft.
.FRI...W wind 20 kt. Seas 9 ft.

$$

PKZ756-201130-
Port Heiden to Nelson Lagoon out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...S wind 20 kt becoming SE 30 kt after midnight. Seas 7
ft. Snow and rain.
.MON...SW wind 30 kt. Seas 6 ft building to 12 ft in the
afternoon. Snow showers and rain showers.
.MON NIGHT...SW wind 25 kt. Seas 12 ft.
.TUE...SE wind 20 kt. Seas 7 ft.
.TUE NIGHT...N wind 30 kt. Seas 11 ft.
.WED THROUGH THU...W wind 30 kt. Seas 11 ft.
.FRI...W wind 20 kt. Seas 9 ft.

$$

PKZ757-201130-
Port Heiden to Nelson Lagoon from 15 to 60 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...S wind 30 kt. Seas 7 ft building to 11 ft after
midnight. Snow and rain.
.MON...SW wind 30 kt. Seas 15 ft. Snow showers.
.MON NIGHT...W wind 25 kt. Seas 15 ft.
.TUE...SE wind 20 kt. Seas 9 ft.
.TUE NIGHT...N wind 30 kt. Seas 12 ft.
.WED THROUGH THU...W wind 30 kt. Seas 13 ft.
.FRI...W wind 20 kt. Seas 10 ft.

$$

PKZ758-201130-
Nelson Lagoon to Cape Sarichef out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING TONIGHT...

.TONIGHT...S wind 35 kt. Seas 9 ft. Rain and snow.
.MON...SW wind 30 kt. Seas 17 ft. Rain showers and snow showers.
.MON NIGHT...W wind 30 kt. Seas 16 ft.
.TUE...S wind 25 kt. Seas 9 ft.
.TUE NIGHT...NW wind 35 kt. Seas 12 ft.
.WED THROUGH THU...W wind 30 kt. Seas 14 ft.
.FRI...W wind 20 kt. Seas 10 ft.

$$

PKZ759-201130-
Nelson Lagoon to Cape Sarichef from 15 to 70 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY...

.TONIGHT...S wind 35 kt. Seas 13 ft. Rain and snow.
.MON...SW wind 35 kt. Seas 20 ft. Snow showers and rain showers.
.MON NIGHT...W wind 30 kt. Seas 17 ft.
.TUE...S wind 25 kt. Seas 11 ft.
.TUE NIGHT...NW wind 35 kt. Seas 13 ft.
.WED THROUGH THU...W wind 30 kt. Seas 14 ft.
.FRI...W wind 20 kt. Seas 11 ft.

$$

PKZ770-201130-
Cape Sarichef to Nikoski Bering Side out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY...

.TONIGHT...S wind 40 kt. Seas 15 ft.
.MON...SW wind 35 kt. Seas 19 ft.
.MON NIGHT...S wind 30 kt. Seas 15 ft. Widespread snow showers.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 16 ft.
.WED...W wind 35 kt. Seas 17 ft.
.THU...W wind 30 kt. Seas 10 ft.
.FRI...SW wind 20 kt. Seas 9 ft.

$$

PKZ772-201130-
Cape Sarichef to Nikoski Bering Side from 15 to 85 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY...

.TONIGHT...S wind 40 kt. Seas 20 ft.
.MON...SW wind 40 kt. Seas 23 ft.
.MON NIGHT...SW wind 30 kt. Seas 17 ft. Widespread snow and rain
showers.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 17 ft.
.WED...W wind 35 kt. Seas 17 ft.
.THU...W wind 30 kt. Seas 12 ft.
.FRI...SW wind 25 kt. Seas 9 ft.

$$

PKZ771-201130-
Unalaska Bay-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...S wind 25 kt. Seas 3 ft. Rain.
.MON...W wind 25 kt. Seas 4 ft.
.MON NIGHT...SW wind 25 kt. Seas 4 ft. Widespread snow showers.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 12 ft.
.WED...W wind 30 kt. Seas 5 ft.
.THU...W wind 20 kt. Seas 3 ft.
.FRI...SW wind 15 kt. Seas 2 ft.

$$

PKZ773-201130-
Cape Sarichef to Nikoski Pacific Side out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING TONIGHT...

.TONIGHT...S wind 35 kt. Seas 15 ft. Rain.
.MON...SW wind 30 kt. Seas 14 ft.
.MON NIGHT...S wind 30 kt. Seas 11 ft. Widespread snow and rain
showers.
.TUE AND TUE NIGHT...W wind 40 kt. Seas 14 ft.
.WED...W wind 30 kt. Seas 13 ft.
.THU...W wind 30 kt. Seas 7 ft.
.FRI...SW wind 20 kt. Seas 8 ft.

$$

PKZ774-201130-
Cape Sarichef to Nikoski Pacific Side from 15 to 85 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING TONIGHT...

.TONIGHT...SW wind 35 kt. Seas 16 ft.
.MON...W wind 30 kt. Seas 16 ft.
.MON NIGHT...SW wind 30 kt. Seas 15 ft. Widespread rain and snow
showers.
.TUE AND TUE NIGHT...W wind 40 kt. Seas 19 ft.
.WED...W wind 35 kt. Seas 16 ft.
.THU...W wind 30 kt. Seas 11 ft.
.FRI...W wind 20 kt. Seas 9 ft.

$$

PKZ775-201130-
Nikolski to Seguam Bering Side out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY...

.TONIGHT...SW wind 45 kt. Seas 19 ft.
.MON...W wind 35 kt. Seas 20 ft. Rain showers.
.MON NIGHT...SW wind 30 kt. Seas 14 ft. Widespread rain and snow
showers.
.TUE...W wind 40 kt. Seas 19 ft.
.TUE NIGHT THROUGH WED...W wind 35 kt. Seas 16 ft.
.THU...W wind 25 kt. Seas 9 ft.
.FRI...SW wind 20 kt. Seas 9 ft.

$$

PKZ776-201130-
Nikolski to Seguam Bering Side from 15 to 85 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY...

.TONIGHT...SW wind 45 kt. Seas 23 ft.
.MON...W wind 40 kt diminishing to 30 kt in the afternoon. Seas
24 ft.
.MON NIGHT...SW wind 30 kt. Seas 15 ft. Widespread rain and snow
showers.
.TUE...NW wind 40 kt. Seas 19 ft.
.TUE NIGHT THROUGH WED...W wind 35 kt. Seas 17 ft.
.THU...W wind 30 kt. Seas 11 ft.
.FRI...S wind 25 kt. Seas 9 ft.

$$

PKZ777-201130-
Nikolski to Seguam Pacfic Side out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING TONIGHT AND MONDAY NIGHT...

.TONIGHT...SW wind 45 kt. Seas 19 ft. Rain.
.MON...W wind 30 kt. Seas 18 ft.
.MON NIGHT...SW wind 35 kt. Seas 15 ft. Widespread rain and snow
showers.
.TUE...W wind 40 kt. Seas 20 ft.
.TUE NIGHT...W wind 35 kt. Seas 15 ft.
.WED...W wind 30 kt. Seas 15 ft.
.THU...W wind 25 kt. Seas 10 ft.
.FRI...SW wind 20 kt. Seas 10 ft.

$$

PKZ778-201130-
Nikolski to Seguam Pacific Side from 15 to 75 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING TONIGHT AND MONDAY NIGHT...

.TONIGHT...SW wind 40 kt. Seas 19 ft. Rain.
.MON...W wind 30 kt. Seas 19 ft.
.MON NIGHT...SW wind 25 kt increasing to 35 kt after midnight.
Seas 16 ft. Widespread rain and snow showers.
.TUE...W wind 40 kt. Seas 21 ft.
.TUE NIGHT...W wind 35 kt. Seas 17 ft.
.WED...W wind 30 kt. Seas 16 ft.
.THU...SW wind 25 kt. Seas 10 ft.
.FRI...S wind 20 kt. Seas 10 ft.

$$

PKZ780-201130-
Seguam to Adak Bering Side out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...STORM WARNING TONIGHT...

.TONIGHT...SW wind 50 kt becoming W 40 kt after midnight. Seas
20 ft. Snow showers.
.MON...W wind 35 kt. Seas 16 ft.
.MON NIGHT...SW wind 35 kt. Seas 14 ft. Widespread rain and snow
showers.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 15 ft.
.WED...SW wind 30 kt. Seas 13 ft.
.THU...W wind 25 kt. Seas 7 ft.
.FRI...S wind 25 kt. Seas 6 ft.

$$

PKZ781-201130-
Seguam to Adak Bering Side from 15 to 85 NM-
256 PM AKDT Sun Mar 19 2023

...STORM WARNING TONIGHT...

.TONIGHT...SW wind 55 kt becoming W 45 kt after midnight. Seas
29 ft.
.MON...W wind 35 kt. Seas 20 ft.
.MON NIGHT...SW wind 35 kt. Seas 16 ft. Widespread rain and snow
showers.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 17 ft.
.WED...SW wind 30 kt. Seas 14 ft.
.THU...W wind 25 kt. Seas 10 ft.
.FRI...S wind 30 kt. Seas 8 ft.

$$

PKZ782-201130-
Seguam to Adak Pacific Side out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 45 kt. Seas 22 ft. Snow showers.
.MON...W wind 35 kt. Seas 18 ft.
.MON NIGHT...SW wind 35 kt. Seas 17 ft. Widespread rain and snow
showers.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 16 ft.
.WED...SW wind 25 kt. Seas 11 ft.
.THU...W wind 20 kt. Seas 8 ft.
.FRI...S wind 25 kt. Seas 7 ft.

$$

PKZ783-201130-
Seguam to Adak Pacific Side from 15 to 75 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 45 kt becoming W 35 kt after midnight. Seas
23 ft.
.MON...W wind 35 kt. Seas 20 ft.
.MON NIGHT...W wind 40 kt. Seas 20 ft. Widespread rain and snow
showers.
.TUE...NW wind 35 kt. Seas 20 ft.
.TUE NIGHT...W wind 30 kt. Seas 16 ft.
.WED...SW wind 25 kt. Seas 13 ft.
.THU...W wind 20 kt. Seas 9 ft.
.FRI...S wind 25 kt. Seas 8 ft.

$$

PKZ784-201130-
Adak to Kiska Bering Side-
256 PM AKDT Sun Mar 19 2023

...STORM WARNING TONIGHT...

.TONIGHT...W wind 60 kt diminishing to 40 kt after midnight. Gusts to
65 kt before midnight. Seas 35 ft subsiding to 22 ft after midnight.
Snow showers.
.MON...SW wind 35 kt. Seas 17 ft. Widespread snow and rain
showers.
.MON NIGHT...SW wind 35 kt. Seas 16 ft. Widespread rain showers.
.TUE AND TUE NIGHT...W wind 35 kt. Seas 15 ft.
.WED...SW wind 25 kt. Seas 13 ft.
.THU...SW wind 20 kt. Seas 7 ft.
.FRI...S wind 35 kt. Seas 11 ft.

$$

PKZ785-201130-
Adak to Kiska Pacific Side-
256 PM AKDT Sun Mar 19 2023

...STORM WARNING TONIGHT...

.TONIGHT...W wind 50 kt diminishing to 35 kt after midnight. Gusts to
65 kt before midnight. Seas 29 ft subsiding to 21 ft after midnight.
Snow showers.
.MON...SW wind 30 kt increasing to 40 kt in the afternoon. Seas
20 ft. Widespread rain showers.
.MON NIGHT...SW wind 40 kt. Seas 21 ft. Widespread rain showers.
.TUE AND TUE NIGHT...W wind 30 kt. Seas 16 ft.
.WED...SW wind 25 kt. Seas 11 ft.
.THU...W wind 15 kt. Seas 7 ft.
.FRI...S wind 30 kt. Seas 9 ft.

$$

PKZ786-201130-
Kiska to Attu Bering Side-
256 PM AKDT Sun Mar 19 2023

...STORM WARNING TONIGHT...

.TONIGHT...W wind 50 kt diminishing to 30 kt after midnight. Seas
29 ft subsiding to 17 ft after midnight.
.MON...SW wind 30 kt. Seas 15 ft. Widespread snow and rain
showers.
.MON NIGHT...NW wind 30 kt. Seas 14 ft.  and rain showers.
.TUE...W wind 35 kt. Seas 15 ft.
.TUE NIGHT...SW wind 25 kt. Seas 13 ft.
.WED...SW wind 25 kt. Seas 12 ft.
.THU...SW wind 30 kt. Seas 7 ft.
.FRI...S wind 40 kt. Seas 17 ft.

$$

PKZ787-201130-
Kiska to Attu Pacific Side-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY NIGHT...

.TONIGHT...W wind 45 kt diminishing to 35 kt after midnight. Seas
28 ft subsiding to 20 ft after midnight. Snow showers.
.MON...SW wind 40 kt. Seas 20 ft. Widespread rain and snow
showers.
.MON NIGHT...NW wind 40 kt diminishing to 30 kt after midnight.
Seas 21 ft subsiding to 15 ft after midnight.
.TUE...W wind 30 kt. Seas 15 ft.
.TUE NIGHT...SW wind 25 kt. Seas 12 ft.
.WED...SW wind 25 kt. Seas 11 ft.
.THU...SW wind 30 kt. Seas 8 ft.
.FRI...S wind 35 kt. Seas 16 ft.

$$

PKZ766-201130-
Pribilof Islands Nearshore Waters-
256 PM AKDT Sun Mar 19 2023

...STORM WARNING THROUGH MONDAY...

.TONIGHT...SW wind 50 kt. Seas 19 ft building to 28 ft after
midnight. Rain with snow.
.MON...SW wind 50 kt becoming W 40 kt in the afternoon. Seas 31 ft
subsiding to 23 ft in the afternoon.  and rain showers.
.MON NIGHT...SW wind 30 kt diminishing to 20 kt after midnight.
Seas
17 ft subsiding to 12 ft after midnight. Snow and rain showers.
.TUE...NW wind 25 kt. Seas 10 ft.
.TUE NIGHT...W wind 30 kt. Seas 14 ft.
.WED THROUGH THU...W wind 30 kt. Seas 13 ft.
.FRI...SW wind 25 kt. Seas 9 ft.

$$

PKZ760-201130-
Bristol Bay greater than 15 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 15 kt becoming SE 30 kt after midnight. Seas in
ice free waters 3 ft building to 6 ft after midnight. Snow.
.MON...S wind 30 kt. Seas in ice free waters 8 ft. Snow.
.MON NIGHT...SW wind 25 kt. Seas in ice free waters 10 ft.
.TUE...SE wind 20 kt. Seas in ice free waters 6 ft.
.TUE NIGHT...N wind 20 kt. Seas in ice free waters 6 ft.
.WED...NW wind 30 kt. Seas in ice free waters 10 ft.
.THU...W wind 25 kt. Seas in ice free waters 10 ft.
.FRI...W wind 20 kt. Seas in ice free waters 8 ft.

$$

PKZ761-201130-
Bristol Bay from Port Heiden to Cape Chichagof out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 15 kt becoming SE 25 kt after midnight. Seas in
ice free waters 2 ft.
.MON...SE wind 25 kt. Seas in ice free waters 3 ft. Snow.
.MON NIGHT...SW wind 25 kt. Seas in ice free waters 4 ft.
.TUE...SE wind 15 kt. Seas in ice free waters 2 ft.
.TUE NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED THROUGH THU...W wind 30 kt. Seas in ice free waters 5 ft.
.FRI...W wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ762-201130-
Bristol Bay from Cape Chichagof to Cape Pierce out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...BRISK WIND ADVISORY THROUGH MONDAY...

.TONIGHT...S wind 15 kt becoming SE 30 kt after midnight.  Snow.
.MON...SE wind 30 kt. Snow.
.MON NIGHT...SW wind 20 kt.
.TUE...SE wind 15 kt.
.TUE NIGHT...N wind 15 kt.
.WED...NW wind 25 kt.
.THU...SW wind 20 kt.
.FRI...W wind 15 kt.

$$

PKZ763-201130-
Kuskokwim Delta and Etolin Strait out to 15 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY...

.TONIGHT...SE wind 30 kt increasing to 45 kt after midnight.
Snow.
.MON...S wind 40 kt. Widespread snow showers.
.MON NIGHT...SW wind 30 kt becoming S 20 kt after midnight.
.TUE...S wind 20 kt.
.TUE NIGHT...W wind 15 kt.
.WED...W wind 20 kt.
.THU...SW wind 25 kt.
.FRI...SW wind 20 kt.

$$

PKZ764-201130-
Kuskokwim Delta from 15 to 80 NM-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY...

.TONIGHT...S wind 40 kt. Seas in ice free waters 5 ft building to
11 ft after midnight. Snow.
.MON...S wind 40 kt. Seas in ice free waters 11 ft. Snow.
.MON NIGHT...SW wind 30 kt diminishing to 20 kt after midnight.
Seas in ice free waters 11 ft.
.TUE...S wind 20 kt. Seas in ice free waters 7 ft.
.TUE NIGHT...NW wind 25 kt. Seas in ice free waters 6 ft.
.WED THROUGH THU...W wind 25 kt. Seas in ice free waters 8 ft.
.FRI...W wind 20 kt. Seas in ice free waters 5 ft.

$$

PKZ765-201130-
North and West of Nunivak Island-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY NIGHT...

.TONIGHT...SE wind 45 kt. Snow.
.MON...S wind 40 kt. Snow.
.MON NIGHT...SW wind 35 kt diminishing to 25 kt after midnight.
.TUE...SW wind 20 kt.
.TUE NIGHT...W wind 15 kt.
.WED...W wind 15 kt.
.THU...W wind 25 kt.
.FRI...SW wind 25 kt.

$$

PKZ767-201130-
Saint Matthew Island Waters-
256 PM AKDT Sun Mar 19 2023

...GALE WARNING THROUGH MONDAY NIGHT...

.TONIGHT...SE wind 45 kt. Seas in ice free waters 2 ft E of Saint
Matthew Island...17 ft W of Saint Matthew Island. Widespread snow
showers.
.MON...W wind 45 kt. Seas in ice free waters 2 ft E of Saint
Matthew Island...23 ft W of Saint Matthew Island. Freezing spray. 
Snow.
.MON NIGHT...W wind 35 kt. Seas in ice free waters 2 ft E of Saint
Matthew Island...16 ft W of Saint Matthew Island. Freezing spray.
.TUE AND TUE NIGHT...W wind 30 kt. Seas in ice free waters 12 ft.
.WED...W wind 25 kt. Seas in ice free waters 12 ft.
.THU...W wind 25 kt. Seas in ice free waters 8 ft.
.FRI...S wind 30 kt. Seas in ice free waters 20 ft.

$$

NWS Anchorage, AK wrote its last area forecast discussion before this storm warning went out at Mar 19, 5:32 AM AKDT, 9 hours 24 minutes earlier.

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
532 AM AKDT Sun Mar 19 2023

.ANALYSIS AND UPPER LEVELS...

A few weak mesolows will move across the Gulf of Alaska over the
next couple of days, but most of the active weather for
Southcentral has settled. Attention shifts westward with the
approach of a strong North Pacific low entering the Bering Sea
today. The low is set to cross into the western Bering Sea today,
with the core of strongest winds passing over the Western
Aleutians. The system will quickly move northeastward and into the
Bering Strait through Monday evening. The associated front moves
into Southwest Alaska on Monday, with a second trough extending
towards the Western Aleutians. The models are hinting at a
secondary surface low developing at the base of the second trough
on Monday afternoon.

&&

.MODEL DISCUSSION...

Models are in good overall agreement through the short term. A
couple of weak surface lows move across the Gulf of Alaska towards
the Kenai Peninsula and there is some uncertainty regarding
precipitation between Seward and Portage.

&&

.AVIATION...
PANC...VFR conditions will persist. Southerly winds will continue
through the day and will remain gusty through mid-morning.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3: Sunday
through Tuesday)...

The second of the two large lows that tracked between Kodiak and
the Kenai Peninsula the past two days has now moved west of the
Aleutian Range. Strong southeasterly flow is still pushing some
snow showers into the Kenai Peninsula early this morning, but
these should taper off throughout the day. The biggest uncertainty
in today's forecast is in regards to a small low that is entering
the southern Gulf and tracking toward the Kenai Peninsula. This
low is small and does not have the upper level support the
previous two lows did. Models are rapidly weakening it as it moves
northward, but it is moving northward a little faster than models
had it. There are also no observations near it especially with
all the buoys in the Gulf of Alaska offshore area inoperable as a
result of the numerous winter storms. This low should weaken and
bring minimal additional snow shower activity to the eastern Kenai
Peninsula and/or Kachemak Bay this afternoon and evening, but we
will need to keep an eye on it.

A large low in the Bering Sea will send a front into Southcentral
Monday and Monday night. It will bring some rain and snow to
Kodiak Monday and into Monday night. The big question for most of
Southcentral with this front is where exactly a triple point low
develops northeast of Kodiak Island Monday night. This will be a
factor in precipitation over the Kenai Peninsula and Prince
William Sound regions as well as winds in Anchorage and the
Matanuska Valley. Some of the higher resolution models are
bringing in gusty southeasterly winds to Anchorage and the
Matanuska Valley for Tuesday which would send temperatures up to
around 40 degrees for a high. Should the winds stay more northerly
it would keep the temperatures a bit cooler. At this time the
southeast winds look to be more likely than not.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 through 3: Today
through Tuesday night)...

A low centered over interior Bristol Bay will weaken and track
back toward the western Gulf of Alaska through the day today.
Light snow overspreading the region will decrease in intensity
through the morning hours, with the westernmost extent of snowfall
expected along a line from Dillingham north to Aniak. Blowing snow
will be a brief risk for the next few hours, particularly near
Koliganek and New Stuyahok before winds diminish and snow tapers
off through midday. This will give way to some breaks of sun and
another day with high temperatures reaching into the 30s for much
of Bristol Bay and the Lower Kuskokwim Valley.

Then, a strong Bering Sea low pushes a front to the Kuskokwim
Delta coast, bringing gale force winds and moderate snow by this
evening. A Winter Weather Advisory is in effect for the threat of
blowing snow along the coast caused by the arrival of this front.
The front will push eastward overnight and through the morning
hours on Monday, bringing several inches of snow to the Kuskokwim
Delta. Temperatures are expected to warm quickly with the frontal
passage as winds turn southerly and eventually southwesterly. In
addition, snow will turn showery, and this combination will lead
to the end of any risk of low visibility due to blowing snow
despite continued gusty winds on Monday. As the front pushes into
Bristol Bay, winds are expected to be weaker and temperatures are
expected to be warmer, suggesting that blowing snow is not likely
to be an issue. The area, though, will see a few inches of snow
accumulation. Winds will begin to diminish Monday night as the low
exits to the Bering Strait, and snow showers taper off in tandem.
A third system crosses the Alaska Peninsula on Tuesday, bringing
another round of light snow to parts of Southwest Alaska.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 through 3: Today
through Tuesday night)...

A deepening low in the North Pacific will move across the western
Aleutians today, bringing high winds to Shemya as a corridor of
hurricane force winds passes through the islands on the south side
of the low. Strong cold air advection wrapping around the deepening
low and rapid pressure rises as the low tracks into the Bering
Sea will support strong winds there this afternoon and evening.
Seas associated with this swath of strong winds could build to as
high as 40 feet. Adak is expected to stay out of the strongest
corridor of winds as the low moves into the Bering Sea, but the
current forecast calls for gusts to peak at 70 mph late this
evening. The low is then expected to track with high confidence
into the northern Bering through Monday. This will then place the
Pribilof Islands within the strongest winds. While these winds
will have diminished somewhat by this point, southwesterly winds
as gusting to 75 mph are expected on Saint Paul Island early
Monday morning. This has prompted the issuance of another High
Wind Warning for the islands. The low will then begin to weaken as
it tracks into the Bering Strait Monday night, with its associated
winds diminishing to gale force. A second, weaker low will then
track along the Aleutian Islands, bringing gale force westerly winds
Monday and Tuesday. The low enters the western Gulf Tuesday night
and cold northwesterly flow sets up across the Bering Sea in its
wake.

&&

.LONG TERM FORECAST (Days 4 through 7: Wednesday through Saturday)

Active weather looks to continue through the Gulf of Alaska and
coastal Southcentral Alaska through the long-term period. A deep
negatively tilted trough extends southeastward from Siberia,
through Southwest Alaska and the Alaska Peninsula, and into the
North Pacific. Guidance is still in disagreement with strength and
positioning regarding the resultant surface low in the Gulf. The
12z GFS is the strongest of the guidance and the most south with
positioning in the extreme southwestern Gulf on Wednesday. The 12z
Canadian is a middle-ground between the stronger GFS and the
weaker 12z ECMWF. the Canadian and ECMWF guidance have the low in
the vicinity of Kodiak Island. Regardless, it appears that Kodiak
Island, as well as the eastern Kenai Peninsula, Prince William
Sound, and the northern Gulf Coast will see the best chance at
amplified precipitation both from the direct influence of the low
and from its front as it moves north to coast Wednesday through
Thursday. Gale-force winds with potentially storm-force gusts will
be a good bet for the southwestern to south-central Gulf as the
system pulls away to the east Thursday. Another shortwave looks to
approach Southcentral and the Gulf from northwest Friday into
Saturday. However, confidence during this timeframe is extremely
low due to many disagreements in strength and positioning/track of
a potential low pressure system that could develop in the
vicinity of Prince William Sound Friday. However, with north to
northwesterly flow over Southcentral as the upper trough axis
moves into the Gulf, a turn to a colder and potentially drier
pattern could take shape for the beginning of the weekend.

Out west, conditions look to remain unsettled for interior
locations of Southwest Alaska Wednesday as the area contends with
weak shortwaves pivoting back to the west from the upper low in
the Gulf. Meanwhile, another shortwave looks to dig southward from
the from the northern Bering Sea and cause a weak low pressure to
spin up near the Southwest coast/eastern Bering Thursday bringing
another chance at precipitation for coastal locations in the
morning and working into interior Southwest during the evening and
overnight Thursday. Conditions then quiet down for Friday and
Saturday.

The western and central Bering Sea/Aleutian Chain remain relatively
benign in the weather department for most of the long-term period
while the eastern Bering/Aleutian Chain contends with continued
gusty northerly flow through Thursday. However, there is some
uncertainty and questions whether a storm will form in the North
Pacific Wednesday evening; and if it forms, how far north does it
make it. The GFS is the most aggressive with the warm front
skirting the central and eastern Aleutian Chain Thursday and
Friday. Meanwhile, other guidance does not show a storm forming at
all. Guidance is beginning to key in on a Kamchatka low sending
its front eastward towards the western Bering/Aleutian Chain
Friday into Saturday. This will provide increased chances at
precipitation and gusty conditions. Winds look to be only gales at
this time.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...High Wind Warning: 191 195
		 Winter Weather Advisory: 155 161
MARINE...Hurricane Force Wind Warning: Central Bering, Western Aleutians
		 Storm Warning: Western/Eastern Bering, Central Aleutians,
		 Pribilof Islands
	 	 Gale Warning: Alaska Peninsula - Bering Side, Eastern Aleutians,
		 Kuskokwim Delta Coast, Saint Matthew Island
		 Heavy Freezing Spray Warning: Kuskokwim Delta Coast
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...KM
SOUTHCENTRAL ALASKA...EZ
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...CQ
LONG TERM...DAN

In the hours before

SPECIAL WEATHER STATEMENT
National Weather Service ANCHORAGE AK
1236 PM AKDT Sun Mar 19 2023

AKZ101-111-192145-
Anchorage-Matanuska Valley-
Including the cities of Anchorage, Eagle River, Indian, Eklutna,
Palmer, Wasilla, Sutton, and Chickaloon
1236 PM AKDT Sun Mar 19 2023

...BLACK ICE ON AREA ROADWAYS THIS MORNING...

Rain and warm weather overnight followed by a quick freeze this
morning has resulted in black ice forming on area roadways. This
should melt as the sun rises and warms the road surfaces. Use
caution if traveling early this morning, as roads and sidewalks
are slick.

Storm Warnings in Alaska, 2023Every storm warning in 2023

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