Storm Warning 70, NWS Anchorage, AK

128 
FZAK52 PAFC 271247
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
347 AM AKST Wed Feb 27 2019

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.

PKZ199-280215-
347 AM AKST Wed Feb 27 2019
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 985 mb low 235 nm West of St Paul Island dissipates in the Gulf
of Anadyr on Wed night. A 990 mb low 365 nm South of Adak moves 
into Northern Kamchatka at 972 mb for Thu night. Its front pushes 
over the Aleutians and Bering to the Southern Alaska Peninsula by
Fri morning. 

$$

PKZ150-280215-
South of the AK Peninsula Sitkinak to Castle Cape-
347 AM AKST Wed Feb 27 2019

...SMALL CRAFT ADVISORY TODAY AND THURSDAY...

.TODAY...S wind 15 kt. Seas 9 ft.
.TONIGHT...S wind 20 kt. Seas 7 ft.
.THU...S wind 20 kt. Seas 8 ft.
.THU NIGHT...S wind 25 kt. Seas 11 ft.
.FRI...S wind 20 kt. Seas 11 ft.
.SAT...Variable wind 10 kt. Seas 8 ft.
.SUN...SW wind 20 kt. Seas 7 ft.

$$

PKZ155-280215-
South of the AK Peninsula Castle Cape to Cape Sarichef-
347 AM AKST Wed Feb 27 2019

...GALE WARNING TONIGHT AND THURSDAY...

.TODAY...S wind 30 kt except S 15 kt from the Shumagin Islands E.
Seas 12 ft.
.TONIGHT...SE wind 35 kt except S 25 kt from the Shumagin Islands
E. Seas 14 ft.
.THU...SE wind 35 kt except SE 30 kt from the Shumagin Islands E.
Seas 19 ft except 13 ft from the Shumagin Islands E.
.THU NIGHT...SW wind 30 kt. Seas 16 ft.
.FRI THROUGH SAT...NW wind 15 kt. Seas 11 ft.
.SUN...S wind 30 kt. Seas 16 ft.

$$

PKZ160-280215-
Bristol Bay-
347 AM AKST Wed Feb 27 2019

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...S wind 20 kt. Seas 4 ft.
.TONIGHT...SE wind 20 kt. Seas 5 ft.
.THU...SE wind 25 kt. Seas 6 ft.
.THU NIGHT...SE wind 30 kt. Seas 6 ft.
.FRI...SW wind 20 kt. Seas 5 ft.
.SAT...NW wind 10 kt. Seas 4 ft.
.SUN...E wind 20 kt. Seas 5 ft.

$$

PKZ165-280215-
Port Heiden to Cape Sarichef-
347 AM AKST Wed Feb 27 2019

...GALE WARNING THROUGH THURSDAY...

.TODAY...S wind 40 kt except SE 30 kt from Port Moller E. Seas
11 ft.
.TONIGHT...SE wind 40 kt except SE 30 kt from Port Moller E. Seas
10 ft.
.THU...SE wind 40 kt except SE 30 kt from Port Moller E. Seas 10
ft. Rain.
.THU NIGHT...SW wind 30 kt. Seas 8 ft.
.FRI...W wind 15 kt. Seas 7 ft.
.SAT...W wind 20 kt. Seas 5 ft.
.SUN...SE wind 30 kt. Seas 9 ft.

$$

PKZ170-280215-
Cape Sarichef to Nikolski Bering Side-
347 AM AKST Wed Feb 27 2019

...STORM WARNING TONIGHT...

.TODAY...S wind 45 kt. Seas 17 ft.
.TONIGHT...SE wind 50 kt. Seas 18 ft. Rain.
.THU...S wind 40 kt becoming SW 20 kt in the afternoon. 
Seas 16 ft.
.THU NIGHT...W wind 15 kt. Seas 12 ft.
.FRI...W wind 15 kt. Seas 9 ft.
.SAT...S wind 35 kt. Seas 9 ft.
.SUN...S wind 35 kt. Seas 14 ft.

$$

PKZ171-280215-
Unalaska Bay-
347 AM AKST Wed Feb 27 2019

...GALE WARNING TONIGHT...

.TODAY...SE wind 30 kt. Gusts to 40 kt. Seas 4 ft.
.TONIGHT...SE wind 30 kt increasing to 40 kt after midnight. Gusts 
to 50 kt. Seas 6 ft. Rain.
.THU...SE wind 25 kt becoming W 10 kt in the afternoon. Seas 4 ft
subsiding to 2 ft in the afternoon. Rain.
.THU NIGHT...Variable wind less than 10 kt. Seas 2 ft.
.FRI...Variable wind less than 10 kt. Seas 2 ft.
.SAT...S wind 20 kt. Seas 3 ft.
.SUN...S wind 25 kt. Seas 4 ft.

$$

PKZ172-280215-
Cape Sarichef to Nikolski Pacific Side-
347 AM AKST Wed Feb 27 2019

...STORM WARNING TONIGHT...

.TODAY...S wind 35 kt increasing to 45 kt in the afternoon. Seas
21 ft.
.TONIGHT...SE wind 50 kt. Seas 26 ft. Rain.
.THU...S wind 40 kt becoming SW 20 kt in the afternoon. 
Seas 24 ft.
.THU NIGHT...SW wind 20 kt. Seas 16 ft.
.FRI...W wind 15 kt. Seas 12 ft.
.SAT...S wind 30 kt. Seas 10 ft.
.SUN...S wind 35 kt. Seas 23 ft.

$$

PKZ173-280215-
Nikolski to Seguam Island Bering Side-
347 AM AKST Wed Feb 27 2019

...STORM WARNING THROUGH TONIGHT...

.TODAY...S wind 40 kt increasing to 50 kt in the afternoon. 
Seas 23 ft. Rain.
.TONIGHT...SE wind 55 kt. Seas 27 ft. Rain.
.THU...W wind 25 kt diminishing to 15 kt in the afternoon. 
Seas 18 ft.
.THU NIGHT...SW wind 15 kt. Seas 14 ft.
.FRI...SW wind 15 kt. Seas 9 ft.
.SAT THROUGH SUN...S wind 40 kt. Seas 18 ft.

$$

PKZ174-280215-
Nikolski to Seguam Island Pacific Side-
347 AM AKST Wed Feb 27 2019

...STORM WARNING THROUGH TONIGHT...

.TODAY...S wind 50 kt. Seas 28 ft. Rain.
.TONIGHT...S wind 50 kt becoming SW 40 kt after midnight. 
Seas 31 ft. Rain.
.THU...W wind 25 kt. Seas 21 ft.
.THU NIGHT...SW wind 20 kt. Seas 16 ft.
.FRI...W wind 15 kt. Seas 13 ft.
.SAT THROUGH SUN...S wind 40 kt. Seas 23 ft.

$$

PKZ175-280215-
Seguam Island to Adak Bering Side-
347 AM AKST Wed Feb 27 2019

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 45 kt. Seas 12 ft building to 17 ft in the
afternoon. Rain and snow.
.TONIGHT...SW wind 45 kt. Seas 18 ft. Snow and rain.
.THU...W wind 30 kt diminishing to 20 kt in the afternoon. 
Seas 17 ft.
.THU NIGHT...SW wind 20 kt. Seas 11 ft.
.FRI...SW wind 25 kt. Seas 9 ft.
.SAT...S wind 45 kt. Seas 16 ft.
.SUN...S wind 30 kt. Seas 13 ft.

$$

PKZ176-280215-
Seguam Island to Adak Pacific Side-
347 AM AKST Wed Feb 27 2019

...STORM WARNING THROUGH TONIGHT...

.TODAY...S wind 50 kt. Seas 29 ft. Rain and snow.
.TONIGHT...W wind 50 kt diminishing to 35 kt after midnight. Seas
29 ft subsiding to 22 ft after midnight. Snow and rain.
.THU...W wind 25 kt. Seas 19 ft.
.THU NIGHT...W wind 25 kt. Seas 15 ft.
.FRI...SW wind 25 kt. Seas 12 ft.
.SAT...S wind 40 kt. Seas 24 ft.
.SUN...S wind 35 kt. Seas 22 ft.

$$

PKZ177-280215-
Adak to Kiska-
347 AM AKST Wed Feb 27 2019

...GALE WARNING TONIGHT...

.TODAY...NW wind 30 kt. Seas 14 ft. Snow.
.TONIGHT...NW wind 35 kt. Seas 15 ft.
.THU...W wind 25 kt. Seas 15 ft. Snow showers.
.THU NIGHT...W wind 20 kt. Seas 13 ft.
.FRI...SW wind 40 kt. Seas 13 ft.
.SAT...S wind 45 kt. Seas 22 ft.
.SUN...SW wind 30 kt. Seas 21 ft.

$$

PKZ178-280215-
Kiska to Attu-
347 AM AKST Wed Feb 27 2019

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NW wind 20 kt. Seas 10 ft.
.TONIGHT...NW wind 25 kt. Seas 11 ft. Freezing spray.
.THU...W wind 25 kt. Seas 13 ft. Freezing spray. Snow showers.
.THU NIGHT...W wind 25 kt. Seas 13 ft.
.FRI...S wind 50 kt. Seas 19 ft.
.SAT...S wind 50 kt. Seas 30 ft.
.SUN...SW wind 35 kt. Seas 30 ft.

$$

PKZ179-280215-
Pribilof Islands Near Shore Waters-
347 AM AKST Wed Feb 27 2019

...STORM WARNING TONIGHT...

.TODAY...S wind 45 kt. Seas 22 ft. Rain.
.TONIGHT...SE wind 50 kt. Seas 27 ft. Rain.
.THU...S wind 45 kt becoming SW 25 kt in the afternoon. Seas 26 ft
subsiding to 17 ft in the afternoon.
.THU NIGHT...SW wind 15 kt. Seas 15 ft.
.FRI...Variable wind 10 kt. Seas 10 ft.
.SAT...S wind 35 kt. Seas 12 ft.
.SUN...S wind 35 kt. Seas 19 ft.

$$

PKZ180-280215-
Kuskokwim Delta and Etolin Strait-
347 AM AKST Wed Feb 27 2019

...GALE WARNING THROUGH THURSDAY...

.TODAY...SE wind 40 kt. Seas 15 ft.
.TONIGHT...SE wind 40 kt. Seas 14 ft.
.THU...SE wind 35 kt. Seas 14 ft. Rain.
.THU NIGHT...S wind 30 kt. Seas 12 ft.
.FRI...NW wind 15 kt. Seas 7 ft.
.SAT...NE wind 20 kt. Seas 4 ft.
.SUN...SE wind 30 kt. Seas 12 ft.

$$

PKZ181-280215-
North and West of Nunivak Island-
347 AM AKST Wed Feb 27 2019

...GALE WARNING THROUGH THURSDAY...

.TODAY...SE wind 45 kt. Seas 17 ft. Rain and snow.
.TONIGHT...SE wind 40 kt. Seas 17 ft.
.THU...SE wind 40 kt. Seas 17 ft.
.THU NIGHT...S wind 30 kt. Seas 11 ft.
.FRI...SW wind 15 kt. Seas 8 ft.
.SAT...S wind 25 kt. Seas 6 ft.
.SUN...SE wind 30 kt. Seas 13 ft.

$$

PKZ185-280215-
Saint Matthew Island Waters-
347 AM AKST Wed Feb 27 2019

...STORM WARNING THURSDAY...

.TODAY...E of Saint Matthew Island, SE wind 45 kt. W of Saint
Matthew Island, E wind 40 kt becoming W 30 kt in the afternoon.
Seas 17 ft. Rain and snow.
.TONIGHT...E of Saint Matthew Island, SE wind 45 kt. W of Saint
Matthew Island, NE wind 30 kt becoming E 45 kt after midnight.
Seas 15 ft building to 21 ft after midnight. Snow and rain.
.THU...SE wind 50 kt E of Saint Matthew Island... S 55 kt W of
Saint Matthew Island. Seas 26 ft.
.THU NIGHT...S wind 40 kt. Seas 22 ft.
.FRI...S wind 25 kt. Seas 13 ft.
.SAT THROUGH SUN...SE wind 40 kt. Seas 20 ft.

$$

516 
FZAK52 PAFC 280041
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
341 PM AKST Wed Feb 27 2019

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.

PKZ199-281400-
341 PM AKST Wed Feb 27 2019
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A 978 mb low over Adak this afternoon moves into the northern Bering
at 973 mb by Thu afternoon. A new front approaches the western 
Aleutians Fri afternoon.

$$

PKZ150-281400-
South of the AK Peninsula Sitkinak to Castle Cape-
341 PM AKST Wed Feb 27 2019

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

.TONIGHT...S wind 20 kt. Seas 7 ft.
.THU...S wind 20 kt. Seas 8 ft.
.THU NIGHT...SE wind 25 kt. Seas 11 ft.
.FRI...S wind 20 kt. Seas 11 ft.
.FRI NIGHT...S wind 15 kt. Seas 10 ft.
.SAT...Variable wind 10 kt. Seas 9 ft.
.SUN...SW wind 20 kt. Seas 7 ft.
.MON...S wind 25 kt. Seas 11 ft.

$$

PKZ155-281400-
South of the AK Peninsula Castle Cape to Cape Sarichef-
341 PM AKST Wed Feb 27 2019

...SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT...

.TONIGHT...SE wind 30 kt except SE 25 kt from the Shumagin Islands
E. Seas 14 ft.
.THU...SE wind 30 kt. Seas 17 ft.
.THU NIGHT...SW wind 25 kt diminishing to 15 kt after midnight.
From the Shumagin Islands E, SE wind 25 kt. Seas 16 ft. Rain.
.FRI...W wind 15 kt. Seas 12 ft.
.FRI NIGHT...NW wind 15 kt. Seas 10 ft.
.SAT...NW wind 15 kt. Seas 8 ft.
.SUN THROUGH MON...S wind 30 kt. Seas 16 ft.

$$

PKZ160-281400-
Bristol Bay-
341 PM AKST Wed Feb 27 2019

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

.TONIGHT...SE wind increasing to 20 kt. Seas 6 ft.
.THU...SE wind 25 kt. Seas 6 ft.
.THU NIGHT...SE wind 25 kt. Seas 6 ft.
.FRI...SE wind 20 kt. Seas 5 ft.
.FRI NIGHT...W wind 10 kt. Seas 4 ft.
.SAT...W wind 10 kt. Seas 3 ft.
.SUN...E wind 20 kt. Seas 5 ft.
.MON...SE wind 25 kt. Seas 6 ft.

$$

PKZ165-281400-
Port Heiden to Cape Sarichef-
341 PM AKST Wed Feb 27 2019

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...SE wind 40 kt except SE 30 kt from Port Moller E. Seas
11 ft.
.THU...SE wind 35 kt. Seas 9 ft. Rain.
.THU NIGHT...W wind 15 kt except SE 25 kt from Port Moller E. Seas
9 ft.
.FRI...Variable wind 10 kt. Seas 7 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT...SW wind 20 kt. Seas 5 ft.
.SUN THROUGH MON...S wind 30 kt. Seas 9 ft.

$$

PKZ170-281400-
Cape Sarichef to Nikolski Bering Side-
341 PM AKST Wed Feb 27 2019

...STORM WARNING TONIGHT...

.TONIGHT...SE wind 50 kt. Seas 18 ft. Rain.
.THU...S wind 40 kt becoming SW 20 kt in the afternoon. Seas 16
ft.
.THU NIGHT...W wind 15 kt. Seas 13 ft.
.FRI AND FRI NIGHT...W wind 15 kt. Seas 8 ft.
.SAT...S wind 35 kt. Seas 9 ft.
.SUN...S wind 35 kt. Seas 14 ft.
.MON...S wind 25 kt. Seas 12 ft.

$$

PKZ171-281400-
Unalaska Bay-
341 PM AKST Wed Feb 27 2019

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 30 kt increasing to 45 kt after midnight. Seas
7 ft. Rain.
.THU...S wind 30 kt becoming SW 10 kt in the afternoon. Seas 5 ft
subsiding to 2 ft in the afternoon. Rain.
.THU NIGHT...W wind 10 kt in the evening becoming variable less
than 10 kt. Seas 3 ft.
.FRI...W wind 10 kt. Seas 3 ft.
.FRI NIGHT...W wind 15 kt. Seas 2 ft.
.SAT...S wind 20 kt. Seas 3 ft.
.SUN...S wind 25 kt. Seas 4 ft.
.MON...S wind 15 kt. Seas 2 ft.

$$

PKZ172-281400-
Cape Sarichef to Nikolski Pacific Side-
341 PM AKST Wed Feb 27 2019

...STORM WARNING TONIGHT...

.TONIGHT...SE wind 50 kt. Seas 26 ft. Rain.
.THU...S wind 40 kt becoming SW 15 kt in the afternoon. Seas 24
ft.
.THU NIGHT...SW wind 15 kt. Seas 15 ft.
.FRI AND FRI NIGHT...W wind 15 kt. Seas 12 ft.
.SAT...S wind 30 kt. Seas 10 ft.
.SUN...S wind 35 kt. Seas 23 ft.
.MON...S wind 30 kt. Seas 19 ft.

$$

PKZ173-281400-
Nikolski to Seguam Island Bering Side-
341 PM AKST Wed Feb 27 2019

...STORM WARNING TONIGHT...

.TONIGHT...SE wind 50 kt becoming SW 40 kt after midnight. Seas 26 
ft. Rain.
.THU...SW wind 30 kt becoming W 20 kt in the afternoon. Seas 19
ft.
.THU NIGHT...S wind 15 kt. Seas 14 ft.
.FRI AND FRI NIGHT...SW wind 15 kt. Seas 9 ft.
.SAT THROUGH SUN...S wind 40 kt. Seas 18 ft.
.MON...SW wind 20 kt. Seas 11 ft.

$$

PKZ174-281400-
Nikolski to Seguam Island Pacific Side-
341 PM AKST Wed Feb 27 2019

...STORM WARNING TONIGHT...

.TONIGHT...SE wind 50 kt becoming SW 35 kt after midnight. Seas 31 
ft. Rain.
.THU...W wind 25 kt diminishing to 15 kt in the afternoon. Seas
21 ft.
.THU NIGHT...SW wind 20 kt. Seas 16 ft.
.FRI AND FRI NIGHT...SW wind 15 kt. Seas 12 ft.
.SAT THROUGH SUN...S wind 40 kt. Seas 23 ft.
.MON...SW wind 20 kt. Seas 17 ft.

$$

PKZ175-281400-
Seguam Island to Adak Bering Side-
341 PM AKST Wed Feb 27 2019

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...S wind 45 kt becoming W after midnight. Seas 19 ft. Rain 
and snow.
.THU...W wind 35 kt diminishing to 25 kt in the afternoon. Seas
18 ft.
.THU NIGHT...SW wind 20 kt. Seas 12 ft.
.FRI...SW wind 15 kt. Seas 9 ft.
.FRI NIGHT...S wind 30 kt. Seas 7 ft.
.SAT...S wind 50 kt. Seas 18 ft.
.SUN...S wind 30 kt. Seas 13 ft.
.MON...SW wind 25 kt. Seas 10 ft.

$$

PKZ176-281400-
Seguam Island to Adak Pacific Side-
341 PM AKST Wed Feb 27 2019

...STORM WARNING TONIGHT...

.TONIGHT...SW wind 50 kt becoming W 35 kt after midnight. Seas 29 ft
subsiding to 23 ft after midnight. Snow with rain.
.THU...W wind 25 kt. Seas 20 ft.
.THU NIGHT...SW wind 20 kt. Seas 15 ft.
.FRI...W wind 20 kt. Seas 12 ft.
.FRI NIGHT...S wind 35 kt. Seas 11 ft.
.SAT...S wind 50 kt. Seas 24 ft.
.SUN...S wind 35 kt. Seas 22 ft.
.MON...SW wind 25 kt. Seas 16 ft.

$$

PKZ177-281400-
Adak to Kiska-
341 PM AKST Wed Feb 27 2019

...GALE WARNING TONIGHT...

.TONIGHT...NW wind 35 kt. Seas 15 ft.
.THU...W wind 30 kt. Seas 14 ft. Snow showers.
.THU NIGHT...W wind 25 kt. Seas 13 ft.
.FRI...SW wind 20 kt. Seas 13 ft.
.FRI NIGHT...SE wind 50 kt. Seas 15 ft.
.SAT...S wind 50 kt. Seas 24 ft.
.SUN THROUGH MON...SW wind 30 kt. Seas 20 ft.

$$

PKZ178-281400-
Kiska to Attu-
341 PM AKST Wed Feb 27 2019

...SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT...

.TONIGHT...NW wind increasing to 25 kt. Seas 10 ft. Freezing spray by
late evening.
.THU...W wind 25 kt. Seas 13 ft. Freezing spray in the morning. Snow
showers.
.THU NIGHT...W wind 25 kt. Seas 13 ft. Freezing spray from Shemya W.
.FRI...SW wind 20 kt. Seas 12 ft.
.FRI NIGHT...SE wind 50 kt. Seas 21 ft.
.SAT...S wind 50 kt. Seas 30 ft.
.SUN...SW wind 35 kt. Seas 30 ft.
.MON...SW wind 30 kt. Seas 20 ft.

$$

PKZ179-281400-
Pribilof Islands Near Shore Waters-
341 PM AKST Wed Feb 27 2019

...STORM WARNING THROUGH THURSDAY...

.TONIGHT...SE wind 40 kt increasing to 50 kt after midnight. Seas 26
ft. Rain.
.THU...S wind 50 kt becoming SW 25 kt in the afternoon. Seas 27 ft 
subsiding to 18 ft in the afternoon.
.THU NIGHT...SW wind 15 kt. Seas 16 ft.
.FRI...Variable wind 10 kt. Seas 11 ft.
.FRI NIGHT...S wind 15 kt. Seas 7 ft.
.SAT...S wind 35 kt. Seas 12 ft.
.SUN...S wind 35 kt. Seas 19 ft.
.MON...S wind 20 kt. Seas 15 ft.

$$

PKZ180-281400-
Kuskokwim Delta and Etolin Strait-
341 PM AKST Wed Feb 27 2019

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...SE wind 35 kt. Seas 14 ft.
.THU...SE wind 35 kt. Seas 13 ft. Rain.
.THU NIGHT...SE wind 30 kt. Seas 11 ft. Snow and rain.
.FRI AND FRI NIGHT...N wind 15 kt. Seas 7 ft.
.SAT...E wind 20 kt. Seas 4 ft.
.SUN THROUGH MON...SE wind 30 kt. Seas 12 ft.

$$

PKZ181-281400-
North and West of Nunivak Island-
341 PM AKST Wed Feb 27 2019

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...SE wind 40 kt. Seas 16 ft.
.THU...SE wind 40 kt. Seas 16 ft. Rain.
.THU NIGHT...S wind 30 kt in the evening becoming variable 10 kt.
Seas 12 ft.
.FRI...Variable wind 10 kt. Seas 9 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 6 ft.
.SAT...SE wind 25 kt. Seas 6 ft.
.SUN THROUGH MON...S wind 30 kt. Seas 13 ft.

$$

PKZ185-281400-
Saint Matthew Island Waters-
341 PM AKST Wed Feb 27 2019

...STORM WARNING THURSDAY...

.TONIGHT...E of Saint Matthew Island, SE wind 45 kt. W of Saint
Matthew Island, NE wind 30 kt becoming E 40 kt after midnight.
Seas 14 ft building to 20 ft after midnight. Snow and rain.
.THU...SE wind 50 kt. Seas 27 ft.
.THU NIGHT...E of Saint Matthew Island, S wind 35 kt diminishing
to 20 kt after midnight. W of Saint Matthew Island, SW wind 45 kt 
becoming S 30 kt after midnight. Seas 24 ft subsiding to 18 ft after 
midnight. Freezing spray after midnight W of Saint Matthew Island.
.FRI...S wind 30 kt. Seas 15 ft.
.FRI NIGHT...S wind 20 kt. Seas 12 ft.
.SAT THROUGH SUN...SE wind 40 kt. Seas 20 ft.
.MON...S wind 25 kt. Seas 17 ft.

$$

763 
FZAK52 PAFC 281233
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
333 AM AKST Thu Feb 28 2019

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.

PKZ199-010145-
333 AM AKST Thu Feb 28 2019
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 971 mb low 230 nm west of St Paul moves over Anadyr at 972 mb Thu 
night. Its front moves into Southwest Alaska through Sat morning. A 
969 mb low 575 nm southwest of Attu Fri afternoon moves to 355 nm 
southwest of Attu at 960 mb by Sat morning. Its front moves over the
Western Aleutians Sat morning.

$$

PKZ150-010145-
South of the AK Peninsula Sitkinak to Castle Cape-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...S wind 20 kt. Seas 8 ft.
.TONIGHT...S wind 25 kt. Seas 11 ft.
.FRI...SE wind 20 kt. Seas 11 ft.
.FRI NIGHT...S wind 15 kt. Seas 10 ft.
.SAT...Variable wind 10 kt. Seas 8 ft.
.SUN...S wind 20 kt. Seas 5 ft.
.MON...S wind 25 kt. Seas 12 ft.

$$

PKZ155-010145-
South of the AK Peninsula Castle Cape to Cape Sarichef-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...SE wind 30 kt. Seas 19 ft except 13 ft from the Shumagin
Islands E.
.TONIGHT...SW wind 25 kt diminishing to 15 kt after midnight. From
the Shumagin Islands E, SE wind 25 kt. Seas 16 ft. Rain.
.FRI...SW wind 15 kt. Seas 12 ft.
.FRI NIGHT...NW wind 15 kt. Seas 10 ft.
.SAT...NW wind 15 kt. Seas 8 ft.
.SUN THROUGH MON...S wind 30 kt. Seas 15 ft.

$$

PKZ160-010145-
Bristol Bay-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SE wind 25 kt. Seas 6 ft.
.TONIGHT...SE wind 25 kt. Seas 6 ft.
.FRI...SE wind 20 kt. Seas 5 ft.
.FRI NIGHT...SW wind 10 kt. Seas 3 ft.
.SAT...W wind 10 kt. Seas 3 ft.
.SUN...SE wind 20 kt. Seas 4 ft.
.MON...SE wind 25 kt. Seas 6 ft.

$$

PKZ165-010145-
Port Heiden to Cape Sarichef-
333 AM AKST Thu Feb 28 2019

...GALE WARNING TODAY...

.TODAY...SE wind 40 kt becoming S 30 kt in the afternoon. From
Port Moller E, SE wind 30 kt. Seas 10 ft. Rain.
.TONIGHT...SW wind 20 kt in the evening becoming variable 10 kt.
From Port Moller E, SE wind 30 kt becoming S 20 kt after midnight.
Seas 8 ft.
.FRI...SW wind 15 kt. Seas 7 ft.
.FRI NIGHT...W wind 15 kt. Seas 6 ft.
.SAT...SW wind 20 kt. Seas 5 ft.
.SUN THROUGH MON...S wind 30 kt. Seas 9 ft.

$$

PKZ170-010145-
Cape Sarichef to Nikolski Bering Side-
333 AM AKST Thu Feb 28 2019

...GALE WARNING TODAY...

.TODAY...S wind 40 kt becoming SW 20 kt in the afternoon. Seas
15 ft.
.TONIGHT...Variable wind 10 kt. Seas 11 ft.
.FRI...SW wind 15 kt. Seas 8 ft.
.FRI NIGHT...SW wind 15 kt. Seas 7 ft.
.SAT THROUGH SUN...S wind 40 kt. Seas 13 ft.
.MON...SW wind 30 kt. Seas 13 ft.

$$

PKZ171-010145-
Unalaska Bay-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY TODAY...

.TODAY...S wind 30 kt becoming W 10 kt in the afternoon. Seas 4 ft
subsiding to 2 ft in the afternoon. Rain.
.TONIGHT...Variable wind less than 10 kt. Seas 3 ft.
.FRI...Variable wind less than 10 kt. Seas 2 ft.
.FRI NIGHT...W wind 10 kt. Seas 2 ft.
.SAT THROUGH MON...S wind 25 kt. Seas 4 ft.

$$

PKZ172-010145-
Cape Sarichef to Nikolski Pacific Side-
333 AM AKST Thu Feb 28 2019

...GALE WARNING TODAY...

.TODAY...SW wind 40 kt becoming W 15 kt in the afternoon. Seas 24
ft subsiding to 18 ft in the afternoon.
.TONIGHT...W wind 15 kt. Seas 15 ft.
.FRI...W wind 15 kt. Seas 12 ft.
.FRI NIGHT...W wind 15 kt. Seas 10 ft.
.SAT...S wind 35 kt. Seas 13 ft.
.SUN...S wind 35 kt. Seas 20 ft.
.MON...SW wind 35 kt. Seas 20 ft.

$$

PKZ173-010145-
Nikolski to Seguam Island Bering Side-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...W wind 30 kt diminishing to 20 kt in the afternoon. Seas
18 ft.
.TONIGHT...SW wind 15 kt. Seas 12 ft.
.FRI...SW wind 15 kt. Seas 9 ft.
.FRI NIGHT...SW wind 15 kt. Seas 7 ft.
.SAT THROUGH SUN...S wind 45 kt. Seas 22 ft.
.MON...SW wind 30 kt. Seas 14 ft.

$$

PKZ174-010145-
Nikolski to Seguam Island Pacific Side-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...W wind 25 kt diminishing to 15 kt in the afternoon. Seas
21 ft.
.TONIGHT...SW wind 20 kt. Seas 15 ft.
.FRI...W wind 15 kt. Seas 13 ft.
.FRI NIGHT...SW wind 15 kt. Seas 11 ft.
.SAT THROUGH SUN...S wind 45 kt. Seas 26 ft.
.MON...SW wind 30 kt. Seas 19 ft.

$$

PKZ175-010145-
Seguam Island to Adak Bering Side-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...W wind 30 kt becoming SW 20 kt in the afternoon. Seas
16 ft.
.TONIGHT...SW wind 20 kt. Seas 9 ft.
.FRI...W wind 20 kt. Seas 8 ft.
.FRI NIGHT...S wind 30 kt. Seas 7 ft.
.SAT...S wind 50 kt. Seas 19 ft.
.SUN...SW wind 40 kt. Seas 16 ft.
.MON...SW wind 25 kt. Seas 10 ft.

$$

PKZ176-010145-
Seguam Island to Adak Pacific Side-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...W wind 25 kt. Seas 19 ft.
.TONIGHT...SW wind 20 kt. Seas 15 ft.
.FRI...W wind 20 kt. Seas 12 ft.
.FRI NIGHT...SW wind 30 kt. Seas 11 ft.
.SAT...S wind 50 kt. Seas 26 ft.
.SUN...SW wind 45 kt. Seas 25 ft.
.MON...W wind 25 kt. Seas 17 ft.

$$

PKZ177-010145-
Adak to Kiska-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...W wind 25 kt. Seas 15 ft.
.TONIGHT...W wind 25 kt. Seas 14 ft.
.FRI...W wind 20 kt. Seas 13 ft.
.FRI NIGHT...S wind 50 kt. Seas 16 ft.
.SAT...S wind 50 kt. Seas 24 ft.
.SUN...SW wind 30 kt. Seas 22 ft.
.MON...SW wind 25 kt. Seas 13 ft.

$$

PKZ178-010145-
Kiska to Attu-
333 AM AKST Thu Feb 28 2019

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...W wind 25 kt. Seas 13 ft. Freezing spray.
.TONIGHT...W wind 25 kt. Seas 14 ft. Freezing spray.
.FRI...SW wind 20 kt. Seas 11 ft.
.FRI NIGHT...SE wind 50 kt. Seas 20 ft.
.SAT...S wind 50 kt. Seas 33 ft.
.SUN...SW wind 45 kt. Seas 31 ft.
.MON...SW wind 30 kt. Seas 16 ft.

$$

PKZ179-010145-
Pribilof Islands Near Shore Waters-
333 AM AKST Thu Feb 28 2019

...GALE WARNING TODAY...

.TODAY...S wind 45 kt becoming SW 25 kt in the afternoon. Seas 25
ft subsiding to 17 ft in the afternoon.
.TONIGHT...SW wind 15 kt. Seas 14 ft.
.FRI...S wind 15 kt. Seas 8 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 7 ft.
.SAT...S wind 40 kt. Seas 15 ft.
.SUN...SE wind 40 kt. Seas 19 ft.
.MON...S wind 25 kt. Seas 13 ft.

$$

PKZ180-010145-
Kuskokwim Delta and Etolin Strait-
333 AM AKST Thu Feb 28 2019

...GALE WARNING TODAY...

.TODAY...SE wind 35 kt. Seas 14 ft.
.TONIGHT...SE wind 30 kt. Seas 11 ft. Rain and snow.
.FRI...NW wind 10 kt. Seas 7 ft.
.FRI NIGHT...NW wind 10 kt. Seas 5 ft.
.SAT...S wind 20 kt. Seas 4 ft.
.SUN THROUGH MON...SE wind 30 kt. Seas 11 ft.

$$

PKZ181-010145-
North and West of Nunivak Island-
333 AM AKST Thu Feb 28 2019

...GALE WARNING TODAY...

.TODAY...SE wind 40 kt. Seas 17 ft. Snow and rain.
.TONIGHT...S wind 30 kt in the evening becoming variable 10 kt.
Seas 11 ft. Freezing spray.
.FRI...Variable wind 10 kt. Seas 8 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...SE wind 25 kt. Seas 6 ft.
.SUN THROUGH MON...SE wind 30 kt. Seas 12 ft.

$$

PKZ185-010145-
Saint Matthew Island Waters-
333 AM AKST Thu Feb 28 2019

...STORM WARNING TODAY...

.TODAY...SE wind 50 kt. Seas 26 ft.
.TONIGHT...E of Saint Matthew Island, S wind 30 kt becoming SW 15
kt after midnight. W of Saint Matthew Island, SW wind 40 kt becoming
S 30 kt after midnight. Seas 22 ft subsiding to 16 ft after 
midnight. Freezing spray.
.FRI...S wind 25 kt. Seas 13 ft.
.FRI NIGHT...S wind 20 kt. Seas 10 ft.
.SAT THROUGH SUN...SE wind 45 kt. Seas 24 ft.
.MON...SE wind 25 kt. Seas 19 ft.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
434 AM AKST Tue Feb 26 2019

.ANALYSIS AND UPPER LEVELS...

There is a potent surface low near the coast of NE Russia south of
Anadyr with an elongated occlusion bisecting the north and east
Bering and pushing eastwards. There is a plume of moisture along
this occlusion and the radars at Nome/PAEC and Bethel/PABC are
picking up returns. As of 1319z or 4:19 AM AST the radar at King
Salmon/PAKC was dry as a bone. The pressure gradient is still
really tight with this system and the latest ASCAT/Advanced
Scatterometer pass has detected both storm and gale fore winds in
the Bering with this feature. The remainder of the frontal
boundary extends more than 1500 nautical miles south of the chain
into the North Pacific. There is a developing low southwest of
Adak. There is a dome of high pressure at the surface over the
Central Pacific and the upper level ridge is bisecting eastern
Alaska and the Gulf Of Alaska. With those clear skies in place
yesterday, the temperatures began to plummet once the sun set.
Numerous locations are in single digit or in below zero territory
this morning.

&&

.MODEL DISCUSSION...

With the prolonged residence of the longwave trough over the NW
Pacific and the Bering, the initialization parameter of choice has
been the ASCAT/Advanced Scatterometer wind field. Both the GFS
and NAM initialized well when comparing the placement of the
surface low near the NE coast of Russia and placement of the
anticyclone over the Gulf Of Alaska. The global models are in good
agreement with the major synoptic features through Thursday
morning which includes the domes of high pressure over the Gulf of
Alaska and Central Pacific, the new low impacting the Aleutians
and the remnants of Wutip in the East Pacific. The only potential
pitfall in the forecast package remains the fog prognostics over
southcentral. The models attempt to grapple with the microscale
features over Southcentral, but in reality there is a fair amount
of "nowcasting" that occurs with fog and low stratus.

&&

.AVIATION...
PANC...As of 1253z or 3:53 AM AST the sky conditions at PANC were
FEW002 and the VSBY was unrestricted. Once again, the Baldy
Webcam has detected an area of fog/low stratus near Knik Arm.
Additionally, the AVHRR/Advanced Very High Resolution Radiometer
(which is a satellite instrument) has detected fog and low status
over Cook Inlet west of Fire Island. The potential for fog or low
stratus moving over PANC is actively being monitored. For the 12z
TAF package, hedged with VCFG and a TEMPO for fog developing near
the aerodrome and the potential for low cigs or intermittent low
cigs this morning. If fog moves over PANC, conventional wisdom is
that conditions would improve early afternoon as the temperature
begins to climb. Other than fog or low stratus potential, expect
light winds and VFR conditions.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...
(Tonight through Wednesday night)

The upper ridge entrenched over the Gulf and Southcentral is the
dominate synoptic feature. To a lesser degree, but still
noteworthy, is an inverted surface tough lingering near the North
Gulf Coast. In regards to the upper ridge, it shifts east some
over the next day or so. As it does so, flow in the low to mid
levels becomes southerly and will help push stratus up Cook
Inlet. So we are expected increasing low clouds to spread as far
as north as the Anchorage Bowl tonight and perhaps the extreme
southern Susitna Valley. The late February sun will likely help
break up the cloud deck over land areas during the day, but
cooling at night may allow low clouds to redevelop during the
overnight hours. Some fog will likely accompany the stratus
field.

The main contribution of the coastal surface trough will be to
enhance outflow conditions over the North Gulf and eastern Kenai
Peninsula tonight and Wednesday. So look for gusty outflow
conditions in favored locals (Copper River Delta, Thompson Pass,
Whittier, etc.).

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 through 3)...
(Today through Friday)

A persistent pattern will remain in place, with a strong omega
block ridge centered to the east of the region, and a series of
troughs moving from the western Bering into central portions of
it. In between these two features is a surface front that is
currently stalled along the Kuskokwim Delta south towards the
AKPEN. A few weak waves passing through will provide some burst
in ascent aloft. This combined with modest surface convergence
along the front will continue to foster showery type
precipitation near it. Further inland, drier conditions
will continue as these locations will experience more subsidence
(sinking air) and drying from the ridge of high pressure to the
east.

The stalled front will try to make progress further inland as an
upstream storm tries to "kick" it eastward. However, the high
pressure to its east will spell a quick death for it as
frontolysis (the dissipation of a front) ensues. Then, a pair of
lows moving through the Bering looks to send a couple of fronts
towards the coast through Friday, with re-newed precipitation
potential.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 through 3)...
(Today through Friday)

As our current storm force low departs the region for eastern
Siberia, more of the same is on the way, as a pair of surface lows
race north from the Pacific. The first of which will enter the
west central portion of the chain later this evening, reaching a
position west of Saint Matthew Island by late Wednesday morning.
As it does so, a surface front will surge eastward towards the
coast before stalling. Widespread precipitation will accompany
both of these features, with sustained gale force winds
accompanying it, with the low dropping into the ~986-990 mb
range.

The second system, which will be the stronger of the two, will
cross the chain near Adak (like its predecessor) during the mid to
late afternoon hours on wednesday, passing through around 980mb.
This storm looks to have some tropical origins with its moisture
source, which will interact with a strong disturbance in the base
of a trough exiting the Sea of Okhotsk. This mid-level storm will
then get absorbed into the Bering trough, bringing the tropical
moisture northward. Typically when this occurs, strong low level
theta advection getting positioned under a cold Bering trough
tends to lead to strong surface cyclogenesis (low pressure
development), as indicated by the GFS and ECMWF models, which show
the storm bottoming out just under 970mb in the northwestern
Bering. As it does so, another surface front will move towards the
coast.

Given the increased potential instability with this storm, and
from a pattern recognition standpoint, we substantially increased
the winds to storm force. There's fairly high confidence as
virtually all models showed similar synoptic patterns at the
surface and in the mid levels, with the weaker NAM (9 mb weaker)
being discounted. This also was coordinated with the Fairbanks
office (AFG) after a good in house discussion. That said,
additional forecast refinements are likely over the next day or
so.

&&

&&

.MARINE (Days 3 through 5)...

We begin Wednesday with a strong pressure gradient in the Bering
Sea east of 175W. There remains a good amount of uncertainty
as we progress into Wednesday night and Thursday with the strength
and location of the low centers. This translates to some wind
direction and intensity uncertainty. At this point expect gale to
storm force wind over much of the Bering east of 175W much of
Wednesday and Thursday. Following this storm is a break in the
action as the next strong storm is not expected to impact the
western Aleutians and Bering Sea until late Friday. There is a
significant difference in model solutions for this storm, though
there is agreement that we will likely see gales, and possibly
storm force winds, over the western Bering Sea and western
Aleutians late Friday.

Persistent high pressure over mainland Alaska into the Gulf of
Alaska equates to generally benign conditions, sub gales Wednesday
through Friday.

&&

.LONG TERM FORECAST (Days 3 through 7)...

The strong upper high will continue to be the dominant feature
over mainland Alaska into the Gulf of Alaska while the Bering Sea
and Aleutians remain very active. Models and ensembles are in
good general agreement with this overall pattern.

Beginning Wednesday, the ridge will persist over eastern Alaska
as the broad deep upper trough is entrenched over the Bering Sea
Thursday through Saturday. A strong surface low treks north
through the central Bering Sea Wednesday leaving a broad weak
trough of low pressure across the Bering Thursday and Friday. This
is followed by a weak ridge poking into the eastern Bering Sea
late Friday into Saturday while yet another strong low moves into
the picture over the western Aleutians. Here the models diverge on
the location and intensity of this storm, but do agree on a tight
pressure gradient moving into the central to western Bering Sea.
This prefrontal pressure gradient then moves to the eastern Bering
Sea through the weekend, bringing with it gale to storm force
wind along with warmer low level air.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...Storm 170 173 174. Gale 172 411 412 413 414 165 175 176
179 180 181 185.

&&

SYNOPSIS AND MODEL DISCUSSION...PJS
SOUTHCENTRAL ALASKA...BC
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...PD
MARINE/LONG TERM...BJB