Small Craft Advisory 424, NWS Anchorage, AK

509 
FZAK52 PAFC 261553 AAA
CWFALU

Coastal Waters Forecast...UPDATED
National Weather Service Anchorage AK
753 AM AKDT Sat May 26 2018

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.

PKZ199-270315-
753 AM AKDT Sat May 26 2018
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
High pressure builds over the Bering through tonight. A Kamchatka
low moves into the western Bering Sun night. The associated front
moves over the central Aleutians Sun night.

$$

PKZ150-270315-
South of the AK Peninsula Sitkinak to Castle Cape-
753 AM AKDT Sat May 26 2018

Updated

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...N wind 15 kt. Seas 5 ft. 
.TONIGHT...NW wind 25 kt. Gusts to 35 kt out of bays and passes by
late evening. Seas 6 ft.
.SUN...NW wind 25 kt with gusts to 35 kt out of bays and passes.
Seas 8 ft. 
.SUN NIGHT...W wind 25 kt. Seas 7 ft. 
.MON...SW wind 25 kt. Seas 7 ft. 
.TUE...S wind 20 kt. Seas 10 ft. 
.WED...Variable wind 10 kt. Seas 9 ft.

$$

PKZ155-270315-
South of the AK Peninsula Castle Cape to Cape Sarichef-
753 AM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NW wind 30 kt. Gusts out of bays and passes increasing
to 45 kt in the afternoon. Seas 7 ft. 
.TONIGHT...NW wind 25 kt. Gusts to 40 kt out of bays and passes. 
Seas 7 ft. 
.SUN...NW wind 25 kt. Seas 6 ft. 
.SUN NIGHT...W wind 20 kt. Seas 5 ft. 
.MON...S wind 30 kt. Seas 12 ft. 
.TUE THROUGH WED...SW wind 15 kt. Seas 11 ft.

$$

PKZ160-270315-
Bristol Bay-
753 AM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...N wind 20 kt. Seas 5 ft. 
.TONIGHT...NW wind 25 kt. Seas 7 ft. Patchy fog. 
.SUN...NW wind 25 kt. Seas 6 ft. Patchy fog. 
.SUN NIGHT...W wind 25 kt. Seas 6 ft. 
.MON THROUGH TUE...S wind 20 kt. Seas 4 ft. 
.WED...SE wind 15 kt. Seas 4 ft.

$$

PKZ165-270315-
Port Heiden to Cape Sarichef-
753 AM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 8 ft. 
.TONIGHT...NW wind 25 kt. Seas 8 ft. Patchy fog. 
.SUN...NW wind 20 kt. Seas 6 ft. Patchy fog. 
.SUN NIGHT...SW wind 15 kt. Seas 4 ft. 
.MON...S wind 25 kt. Seas 5 ft. 
.TUE...SW wind 20 kt. Seas 6 ft. 
.WED...S wind 15 kt. Seas 5 ft.

$$

PKZ170-270315-
Cape Sarichef to Nikolski Bering Side-
753 AM AKDT Sat May 26 2018

.TODAY...N wind 20 kt. Seas 7 ft. Patchy fog. 
.TONIGHT...NW wind 20 kt. Seas 6 ft. Patchy fog. 
.SUN...W wind 15 kt. Seas 4 ft. Patchy fog. 
.SUN NIGHT...S wind 30 kt. Seas 5 ft. 
.MON...SW wind 35 kt. Seas 8 ft. 
.TUE THROUGH WED...SW wind 20 kt. Seas 6 ft.

$$

PKZ171-270315-
Unalaska Bay-
753 AM AKDT Sat May 26 2018

.TODAY...NW wind 20 kt. Seas 6 ft. Patchy fog. 
.TONIGHT...NW wind 15 kt. Seas 5 ft subsiding to 2 ft after
midnight. Patchy fog. 
.SUN...W wind 15 kt. Seas 2 ft. Patchy fog. 
.SUN NIGHT...S wind 15 kt. Seas 2 ft. 
.MON...SW wind 30 kt. Seas 4 ft. 
.TUE THROUGH WED...SW wind 10 kt. Seas 2 ft.

$$

PKZ172-270315-
Cape Sarichef to Nikolski Pacific Side-
753 AM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 30 kt. Gusts to 40 kt out of bays and passes. 
Seas 7 ft. Patchy fog. 
.TONIGHT...NW wind 25 kt. Seas 6 ft. Patchy fog. 
.SUN...W wind 15 kt. Seas 4 ft. Patchy fog. 
.SUN NIGHT...SW wind 30 kt. Seas 6 ft. 
.MON...SW wind 35 kt. Seas 13 ft. 
.TUE THROUGH WED...W wind 20 kt. Seas 11 ft.

$$

PKZ173-270315-
Nikolski to Seguam Island Bering Side-
753 AM AKDT Sat May 26 2018

.TODAY...NW wind 15 kt. Seas 5 ft. Patchy fog. 
.TONIGHT...Variable wind 10 kt. Seas 4 ft. Patchy fog. 
.SUN...S wind 20 kt. Seas 4 ft. Patchy fog. 
.SUN NIGHT...S wind 40 kt. Seas 11 ft. 
.MON...SW wind 40 kt. Seas 11 ft. 
.TUE THROUGH WED...W wind 20 kt. Seas 8 ft.

$$

PKZ174-270315-
Nikolski to Seguam Island Pacific Side-
753 AM AKDT Sat May 26 2018

.TODAY...NW wind 20 kt. Seas 5 ft. Patchy fog. 
.TONIGHT...W wind 15 kt. Seas 5 ft. Patchy fog. 
.SUN...SW wind 20 kt. Seas 5 ft. Patchy fog. 
.SUN NIGHT...S wind 45 kt. Seas 14 ft. 
.MON...SW wind 40 kt. Seas 15 ft. 
.TUE...SW wind 15 kt. Seas 10 ft. 
.WED...W wind 20 kt. Seas 8 ft.

$$

PKZ175-270315-
Seguam Island to Adak Bering Side-
753 AM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY SUNDAY...

.TODAY...Variable wind 10 kt. Seas 4 ft. Patchy fog. 
.TONIGHT...SW wind 15 kt. Seas 4 ft. Patchy fog. 
.SUN...S wind 25 kt. Seas 6 ft. Patchy fog. 
.SUN NIGHT...S wind 40 kt. Seas 9 ft. 
.MON...W wind 25 kt. Seas 8 ft. 
.TUE THROUGH WED...W wind 20 kt. Seas 6 ft.

$$

PKZ176-270315-
Seguam Island to Adak Pacific Side-
753 AM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY SUNDAY...

.TODAY...Variable wind 10 kt. Seas 4 ft. Patchy fog. 
.TONIGHT...SW wind 15 kt. Seas 5 ft. Patchy fog. 
.SUN...S wind 30 kt. Seas 8 ft. Patchy fog. 
.SUN NIGHT...S wind 45 kt. Seas 15 ft. 
.MON...W wind 25 kt. Seas 14 ft. 
.TUE THROUGH WED...W wind 20 kt. Seas 9 ft.

$$

PKZ177-270315-
Adak to Kiska-
753 AM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY SUNDAY...

.TODAY...SW wind 15 kt. Seas 4 ft. Patchy fog. 
.TONIGHT...S wind 20 kt. Seas 6 ft. Patchy fog. 
.SUN...S wind 30 kt. Seas 9 ft. Patchy fog. Widespread rain
showers. 
.SUN NIGHT...SW wind 35 kt. Seas 11 ft. 
.MON...W wind 25 kt. Seas 10 ft. 
.TUE THROUGH WED...SW wind 20 kt. Seas 8 ft.

$$

PKZ178-270315-
Kiska to Attu-
753 AM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...S wind 15 kt increasing to 25 kt in the afternoon.  Seas
5 ft. Patchy fog. 
.TONIGHT...S wind 25 kt. Seas 8 ft. Patchy fog. Rain. 
.SUN...S wind 25 kt. Seas 8 ft. Rain. 
.SUN NIGHT...W wind 20 kt. Seas 7 ft. 
.MON...W wind 25 kt. Seas 9 ft. 
.TUE...SW wind 20 kt. Seas 9 ft. 
.WED...SW wind 25 kt. Seas 8 ft.

$$

PKZ179-270315-
Pribilof Islands Near Shore Waters-
753 AM AKDT Sat May 26 2018

.TODAY...NW wind 15 kt. Seas 5 ft. Patchy fog. 
.TONIGHT...W wind 15 kt. Seas 3 ft. Patchy fog. 
.SUN...W wind 15 kt. Seas 3 ft. Patchy fog. 
.SUN NIGHT...S wind 25 kt. Seas 5 ft. 
.MON...S wind 30 kt. Seas 9 ft. 
.TUE...SW wind 20 kt. Seas 7 ft. 
.WED...SW wind 15 kt. Seas 7 ft.

$$

PKZ180-270315-
Kuskokwim Delta and Etolin Strait-
753 AM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 7 ft. 
.TONIGHT...NW wind 25 kt. Seas 6 ft. Patchy fog. 
.SUN...NW wind 20 kt. Seas 4 ft. Patchy fog. 
.SUN NIGHT...W wind 15 kt. Seas 3 ft. 
.MON...SE wind 30 kt. Seas 6 ft. 
.TUE...S wind 25 kt. Seas 6 ft. 
.WED...S wind 15 kt. Seas 6 ft.

$$

PKZ181-270315-
North and West of Nunivak Island-
753 AM AKDT Sat May 26 2018

.TODAY...NW wind 20 kt. Seas 4 ft. 
.TONIGHT...NW wind 15 kt. Seas 3 ft. Patchy fog. 
.SUN...Variable wind 10 kt. Seas 2 ft. Patchy fog. 
.SUN NIGHT...S wind 15 kt. Seas 3 ft. 
.MON...SE wind 30 kt. Seas 7 ft. 
.TUE...S wind 25 kt. Seas 7 ft. 
.WED...SE wind 15 kt. Seas 6 ft.

$$

PKZ185-270315-
Saint Matthew Island Waters-
753 AM AKDT Sat May 26 2018

.TODAY...W wind 15 kt. Seas 4 ft. Patchy fog. 
.TONIGHT...Variable wind 10 kt. Seas 3 ft. Patchy fog. 
.SUN...E of Saint Matthew Island, variable wind 10 kt. W of Saint
Matthew Island, variable wind 10 kt becoming S 20 kt in the
afternoon. Seas 3 ft. Patchy fog. 
.SUN NIGHT...SE wind 30 kt. Seas 6 ft. 
.MON...SE wind 30 kt. Seas 10 ft. 
.TUE...S wind 20 kt. Seas 9 ft. 
.WED...SE wind 15 kt. Seas 7 ft.

$$

473 
FZAK52 PAFC 262346
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
346 PM AKDT Sat May 26 2018

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.

PKZ199-271230-
346 PM AKDT Sat May 26 2018
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
High pressure over the Aleutians and Bering exits Bristol Bay by 
Mon morning. A 1003 mb South Kamchatka low moves to 290 nm North 
of Attu at 983 mb on Mon afternoon. Its front sweeps across the 
Aleutians into the Central Bering and North Pacific through Mon 
afternoon.

$$

PKZ150-271230-
South of the AK Peninsula Sitkinak to Castle Cape-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...NW wind 25 kt. Gusts to 35 kt out of bays and passes. Seas
7 ft.
.SUN...NW wind 30 kt. Gusts to 40 kt out of bays and passes. Seas 8 ft.
.SUN NIGHT...NW wind 25 kt. Seas 8 ft.
.MON...SW wind 20 kt. Seas 5 ft.
.MON NIGHT...S wind 20 kt. Seas 7 ft.
.TUE...S wind 20 kt. Seas 10 ft.
.WED...Variable wind 10 kt. Seas 9 ft.
.THU...Variable wind 10 kt. Seas 9 ft.

$$

PKZ155-271230-
South of the AK Peninsula Castle Cape to Cape Sarichef-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...NW wind 25 kt. Gusts to 40 kt out of bays and passes. 
Seas 7 ft.
.SUN...NW wind 25 kt. Seas 7 ft.
.SUN NIGHT...W wind 20 kt. Seas 5 ft.
.MON...S wind 30 kt. Seas 9 ft.
.MON NIGHT...S wind 25 kt. Seas 12 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 10 ft.
.THU...NW wind 15 kt. Seas 9 ft.

$$

PKZ160-271230-
Bristol Bay-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas 7 ft. Patchy fog.
.SUN...NW wind 25 kt. Seas 6 ft. Patchy fog.
.SUN NIGHT...W wind 25 kt. Seas 6 ft. Patchy fog.
.MON...SW wind 15 kt. Seas 3 ft.
.MON NIGHT...SE wind 20 kt. Seas 3 ft.
.TUE...S wind 20 kt. Seas 4 ft.
.WED...SE wind 15 kt. Seas 4 ft.
.THU...NE wind 10 kt. Seas 2 ft.

$$

PKZ165-271230-
Port Heiden to Cape Sarichef-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 25 kt. Seas 8 ft. Patchy fog.
.SUN...NW wind 20 kt. Seas 5 ft. Patchy fog.
.SUN NIGHT...W wind 15 kt. Seas 4 ft. Patchy fog.
.MON AND MON NIGHT...S wind 25 kt. Seas 5 ft.
.TUE THROUGH WED...S wind 15 kt. Seas 5 ft.
.THU...Variable wind 10 kt. Seas 5 ft.

$$

PKZ170-271230-
Cape Sarichef to Nikolski Bering Side-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...W wind 15 kt. Seas 6 ft. Patchy fog.
.SUN...W wind 15 kt. Seas 4 ft. Patchy fog.
.SUN NIGHT...S wind 20 kt increasing to 30 kt after midnight. Seas 5 ft.
Patchy fog.
.MON...S wind 30 kt. Seas 8 ft.
.MON NIGHT...SW wind 20 kt. Seas 7 ft.
.TUE...SW wind 15 kt. Seas 6 ft.
.WED...SW wind 20 kt. Seas 6 ft.
.THU...W wind 15 kt. Seas 6 ft.

$$

PKZ171-271230-
Unalaska Bay-
346 PM AKDT Sat May 26 2018

.TONIGHT...NW wind 15 kt. Seas 5 ft subsiding to 2 ft after midnight.
Patchy fog.
.SUN...W wind 10 kt. Seas 2 ft. Patchy fog.
.SUN NIGHT...Variable wind less than 10 kt becoming S 20 kt after midnight.
Seas 3 ft. Patchy fog. Rain.
.MON...S wind 25 kt. Seas 4 ft.
.MON NIGHT...W wind 15 kt. Seas 2 ft.
.TUE THROUGH THU...W wind 10 kt. Seas 2 ft.

$$

PKZ172-271230-
Cape Sarichef to Nikolski Pacific Side-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas 6 ft. Patchy fog.
.SUN...W wind 15 kt. Seas 4 ft. Patchy fog.
.SUN NIGHT...SW wind 20 kt becoming S 30 kt after midnight. Seas 7 ft.
Patchy fog.
.MON...S wind 35 kt. Seas 13 ft.
.MON NIGHT...W wind 20 kt. Seas 13 ft.
.TUE...SW wind 15 kt. Seas 11 ft.
.WED THROUGH THU...W wind 20 kt. Seas 8 ft.

$$

PKZ173-271230-
Nikolski to Seguam Island Bering Side-
346 PM AKDT Sat May 26 2018

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 4 ft. Patchy fog.
.SUN...Variable wind 10 kt becoming S 20 kt in the afternoon. Seas 4 ft.
Patchy fog.
.SUN NIGHT...SE wind 35 kt. Seas 6 ft building to 11 ft after midnight.
Rain.
.MON...SW wind 35 kt. Seas 11 ft.
.MON NIGHT...W wind 20 kt. Seas 9 ft.
.TUE...SW wind 15 kt. Seas 7 ft.
.WED...W wind 20 kt. Seas 7 ft.
.THU...SW wind 15 kt. Seas 6 ft.

$$

PKZ174-271230-
Nikolski to Seguam Island Pacific Side-
346 PM AKDT Sat May 26 2018

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...W wind 15 kt. Seas 4 ft. Patchy fog.
.SUN...S wind 20 kt. Seas 5 ft. Patchy fog.
.SUN NIGHT...S wind 30 kt increasing to 40 kt after midnight. Seas 8 ft
building to 13 ft after midnight. Rain.
.MON...SW wind 35 kt. Seas 14 ft.
.MON NIGHT...W wind 20 kt. Seas 13 ft.
.TUE...SW wind 15 kt. Seas 10 ft.
.WED THROUGH THU...SW wind 20 kt. Seas 8 ft.

$$

PKZ175-271230-
Seguam Island to Adak Bering Side-
346 PM AKDT Sat May 26 2018

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...SW wind 15 kt. Seas 4 ft. Patchy fog.
.SUN...S wind 25 kt. Seas 5 ft. Patchy fog.
.SUN NIGHT...S wind 35 kt. Seas 9 ft. Rain.
.MON AND MON NIGHT...SW wind 20 kt. Seas 8 ft.
.TUE THROUGH THU...SW wind 20 kt. Seas 7 ft.

$$

PKZ176-271230-
Seguam Island to Adak Pacific Side-
346 PM AKDT Sat May 26 2018

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...SW wind 15 kt. Seas 4 ft. Patchy fog.
.SUN...S wind 25 kt. Seas 8 ft. Patchy fog.
.SUN NIGHT...S wind 40 kt. Seas 14 ft. Rain.
.MON...W wind 25 kt. Seas 14 ft.
.MON NIGHT...W wind 20 kt. Seas 11 ft.
.TUE THROUGH THU...SW wind 20 kt. Seas 9 ft.

$$

PKZ177-271230-
Adak to Kiska-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY SUNDAY AND SUNDAY NIGHT...

.TONIGHT...S wind 20 kt. Seas 5 ft. Patchy fog.
.SUN...SE wind 25 kt. Seas 8 ft. Patchy fog. Widespread rain
showers.
.SUN NIGHT...S wind 30 kt. Seas 11 ft.
.MON AND MON NIGHT...SW wind 25 kt. Seas 10 ft.
.TUE...SW wind 25 kt. Seas 9 ft.
.WED THROUGH THU...SW wind 20 kt. Seas 8 ft.

$$

PKZ178-271230-
Kiska to Attu-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...S wind 20 kt. Seas 7 ft. Patchy fog. Rain.
.SUN...S wind 20 kt. Seas 7 ft. Rain.
.SUN NIGHT...W wind 25 kt. Seas 8 ft.
.MON AND MON NIGHT...SW wind 30 kt. Seas 11 ft.
.TUE THROUGH WED...SW wind 25 kt. Seas 9 ft.
.THU...SW wind 20 kt. Seas 8 ft.

$$

PKZ179-271230-
Pribilof Islands Near Shore Waters-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...W wind 15 kt. Seas 4 ft. Patchy fog.
.SUN...Variable wind 10 kt. Seas 3 ft. Patchy fog.
.SUN NIGHT...S wind 15 kt becoming SE 25 kt after midnight. Seas
5 ft. Patchy fog.
.MON...SE wind 30 kt. Seas 10 ft.
.MON NIGHT...SW wind 20 kt. Seas 9 ft.
.TUE THROUGH WED...SW wind 15 kt. Seas 7 ft.
.THU...Variable wind 10 kt. Seas 4 ft.

$$

PKZ180-271230-
Kuskokwim Delta and Etolin Strait-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 25 kt. Seas 6 ft. Patchy fog.
.SUN...NW wind 20 kt. Seas 4 ft. Patchy fog.
.SUN NIGHT...W wind 15 kt diminishing to 10 kt after midnight.
Seas 3 ft. Patchy fog.
.MON AND MON NIGHT...SE wind 25 kt. Seas 6 ft.
.TUE...S wind 25 kt. Seas 7 ft.
.WED...S wind 15 kt. Seas 6 ft.
.THU...S wind 10 kt. Seas 2 ft.

$$

PKZ181-271230-
North and West of Nunivak Island-
346 PM AKDT Sat May 26 2018

.TONIGHT...NW wind 15 kt. Seas 3 ft. Patchy fog.
.SUN...Variable wind 10 kt. Seas 3 ft. Patchy fog.
.SUN NIGHT...Variable wind 10 kt. Seas 2 ft. Patchy fog.
.MON AND MON NIGHT...SE wind 25 kt. Seas 7 ft.
.TUE...S wind 25 kt. Seas 7 ft.
.WED...SE wind 15 kt. Seas 6 ft.
.THU...Variable wind 10 kt. Seas 3 ft.

$$

PKZ185-271230-
Saint Matthew Island Waters-
346 PM AKDT Sat May 26 2018

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...W wind 15 kt. Seas 3 ft. Patchy fog.
.SUN...Variable wind 10 kt E of Saint Matthew Island...S 15 kt W
of Saint Matthew Island. Seas 2 ft. Patchy fog.
.SUN NIGHT...E of Saint Matthew Island, variable wind 10 kt
becoming SE 20 kt after midnight. W of Saint Matthew Island, SE wind
30 kt. Seas 6 ft. Patchy fog.
.MON AND MON NIGHT...E wind 30 kt. Seas 11 ft.
.TUE...S wind 25 kt. Seas 9 ft.
.WED THROUGH THU...SE wind 15 kt. Seas 6 ft.

$$

741 
FZAK52 PAFC 271157
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
357 AM AKDT Sun May 27 2018

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.

PKZ199-280045-
357 AM AKDT Sun May 27 2018
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1000 mb Kamchatka low moves to 230 nm northwest of Shemya at 
987 mb by early Mon morning, then to 320 nm north of Shemya at 984
mb by Tue morning. A 999 mb north Pacific low tracks to 210 nm 
south of Shemya at 993 mb, then to 230 nm north of Adak at 988 mb 
by Mon morning before dissipating. The associated front sweeps 
across the Aleutians and Bering through Mon night.

$$

PKZ150-280045-
South of the AK Peninsula Sitkinak to Castle Cape-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 8 ft.
.TONIGHT...W wind 25 kt. Seas 7 ft.
.MON...SW wind 20 kt. Seas 5 ft.
.MON NIGHT...S wind 20 kt. Seas 8 ft.
.TUE...S wind 20 kt. Seas 10 ft.
.WED...Variable wind 10 kt. Seas 8 ft.
.THU...Variable wind 10 kt. Seas 5 ft.

$$

PKZ155-280045-
South of the AK Peninsula Castle Cape to Cape Sarichef-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY TODAY AND MONDAY...

.TODAY...NW wind 25 kt. Seas 7 ft.
.TONIGHT...W wind 20 kt. Seas 5 ft.
.MON...S wind 30 kt. From the Shumagin Islands E, SW wind 15 kt
becoming S 25 kt in the afternoon. Seas 5 ft building to 10 ft in
the afternoon. Rain.
.MON NIGHT...S wind 25 kt. Seas 12 ft.
.TUE...W wind 15 kt. Seas 11 ft.
.WED THROUGH THU...W wind 15 kt. Seas 7 ft.

$$

PKZ160-280045-
Bristol Bay-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 6 ft. Patchy fog.
.TONIGHT...W wind 25 kt. Seas 6 ft. Patchy fog.
.MON...W wind 15 kt becoming S in the afternoon. Seas 3 ft.
.MON NIGHT...SE wind 20 kt. Seas 3 ft.
.TUE...S wind 20 kt. Seas 4 ft.
.WED THROUGH THU...SW wind 10 kt. Seas 4 ft.

$$

PKZ165-280045-
Port Heiden to Cape Sarichef-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...NW wind 20 kt. Seas 5 ft. Patchy fog.
.TONIGHT...W wind 15 kt. Seas 4 ft. Patchy fog.
.MON...SE wind 30 kt except SE 20 kt from Port Moller E. Seas 5
ft. Rain.
.MON NIGHT...S wind 25 kt. Seas 6 ft.
.TUE THROUGH WED...SW wind 20 kt. Seas 7 ft.
.THU...SW wind 15 kt. Seas 6 ft.

$$

PKZ170-280045-
Cape Sarichef to Nikolski Bering Side-
357 AM AKDT Sun May 27 2018

...GALE WARNING MONDAY...

.TODAY...W wind 15 kt. Seas 4 ft. Patchy fog.
.TONIGHT...S wind 20 kt increasing to 30 kt after midnight. Seas
5 ft. Patchy fog. Rain.
.MON...SE wind 35 kt. Seas 9 ft. Rain.
.MON NIGHT...SW wind 20 kt. Seas 7 ft.
.TUE THROUGH WED...SW wind 20 kt. Seas 10 ft.
.THU...SW wind 20 kt. Seas 6 ft.

$$

PKZ171-280045-
Unalaska Bay-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...W wind 15 kt becoming NW in the afternoon. Seas 3 ft.
Patchy fog.
.TONIGHT...Variable wind less than 10 kt becoming S 20 kt after
midnight. Seas 3 ft. Patchy fog. Rain.
.MON...S wind 25 kt. Seas 4 ft. Rain.
.MON NIGHT...W wind 15 kt. Seas 2 ft.
.TUE THROUGH THU...W wind 10 kt. Seas 2 ft.

$$

PKZ172-280045-
Cape Sarichef to Nikolski Pacific Side-
357 AM AKDT Sun May 27 2018

...GALE WARNING MONDAY...

.TODAY...W wind 15 kt. Seas 4 ft. Patchy fog.
.TONIGHT...SW wind 20 kt becoming S 30 kt after midnight. Seas 7
ft. Patchy fog. Rain.
.MON...S wind 35 kt. Seas 13 ft. Rain.
.MON NIGHT...W wind 20 kt. Seas 13 ft.
.TUE THROUGH WED...SW wind 20 kt. Seas 10 ft.
.THU...SW wind 15 kt. Seas 6 ft.

$$

PKZ173-280045-
Nikolski to Seguam Island Bering Side-
357 AM AKDT Sun May 27 2018

...GALE WARNING TONIGHT AND MONDAY...

.TODAY...Variable wind 10 kt becoming S 20 kt in the afternoon.
Seas 3 ft. Patchy fog.
.TONIGHT...SE wind 35 kt. Seas 6 ft building to 11 ft after
midnight. Rain.
.MON...S wind 35 kt becoming SW 20 kt in the afternoon. Seas 12
ft.
.MON NIGHT...SW wind 20 kt. Seas 9 ft.
.TUE THROUGH WED...SW wind 20 kt. Seas 12 ft.
.THU...SW wind 20 kt. Seas 7 ft.

$$

PKZ174-280045-
Nikolski to Seguam Island Pacific Side-
357 AM AKDT Sun May 27 2018

...GALE WARNING TONIGHT AND MONDAY...

.TODAY...S wind 20 kt. Seas 5 ft. Patchy fog.
.TONIGHT...S wind 30 kt increasing to 40 kt after midnight. Seas
7 ft building to 14 ft after midnight. Rain.
.MON...S wind 35 kt becoming W 20 kt in the afternoon. Seas 14 ft.
.MON NIGHT...W wind 20 kt. Seas 12 ft.
.TUE THROUGH THU...SW wind 20 kt. Seas 9 ft.

$$

PKZ175-280045-
Seguam Island to Adak Bering Side-
357 AM AKDT Sun May 27 2018

...GALE WARNING TONIGHT...

.TODAY...SE wind 25 kt. Seas 5 ft. Patchy fog.
.TONIGHT...S wind 35 kt. Seas 10 ft. Rain.
.MON...SW wind 25 kt. Seas 8 ft.
.MON NIGHT...SW wind 25 kt. Seas 8 ft.
.TUE...SW wind 25 kt. Seas 12 ft.
.WED...SW wind 20 kt. Seas 11 ft.
.THU...SW wind 20 kt. Seas 7 ft.

$$

PKZ176-280045-
Seguam Island to Adak Pacific Side-
357 AM AKDT Sun May 27 2018

...GALE WARNING TONIGHT...

.TODAY...S wind 25 kt. Seas 8 ft. Patchy fog. Rain.
.TONIGHT...S wind 40 kt. Seas 15 ft. Rain.
.MON...W wind 25 kt. Seas 14 ft.
.MON NIGHT...SW wind 20 kt. Seas 11 ft.
.TUE...SW wind 25 kt. Seas 10 ft.
.WED THROUGH THU...SW wind 20 kt. Seas 9 ft.

$$

PKZ177-280045-
Adak to Kiska-
357 AM AKDT Sun May 27 2018

...GALE WARNING TONIGHT...

.TODAY...SE wind 25 kt. Seas 8 ft. Patchy fog. Widespread rain
showers.
.TONIGHT...SE wind 35 kt becoming SW 25 kt after midnight. Seas
12 ft.
.MON...W wind 25 kt. Seas 11 ft.
.MON NIGHT...SW wind 25 kt. Seas 11 ft.
.TUE THROUGH THU...SW wind 25 kt. Seas 10 ft.

$$

PKZ178-280045-
Kiska to Attu-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE wind 25 kt. Seas 7 ft. Rain.
.TONIGHT...W wind 25 kt. Seas 9 ft.
.MON...W wind 30 kt. Seas 12 ft.
.MON NIGHT...SW wind 30 kt. Seas 13 ft.
.TUE THROUGH THU...SW wind 25 kt. Seas 12 ft.

$$

PKZ179-280045-
Pribilof Islands Near Shore Waters-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY TONIGHT AND MONDAY...

.TODAY...Variable wind 10 kt. Seas 2 ft. Patchy fog.
.TONIGHT...S wind 15 kt becoming SE 25 kt after midnight. Seas 4
ft. Patchy fog. Rain.
.MON...SE wind 30 kt. Seas 11 ft. Rain.
.MON NIGHT...SW wind 20 kt. Seas 9 ft.
.TUE THROUGH WED...SW wind 20 kt. Seas 12 ft.
.THU...SW wind 15 kt. Seas 7 ft.

$$

PKZ180-280045-
Kuskokwim Delta and Etolin Strait-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...NW wind 20 kt. Seas 4 ft. Patchy fog.
.TONIGHT...W wind 15 kt diminishing to 10 kt after midnight. Seas
3 ft. Patchy fog.
.MON...SE wind 25 kt. Seas 4 ft. Patchy fog.
.MON NIGHT...SE wind 25 kt. Seas 8 ft.
.TUE THROUGH WED...S wind 20 kt. Seas 7 ft.
.THU...S wind 15 kt. Seas 5 ft.

$$

PKZ181-280045-
North and West of Nunivak Island-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY MONDAY...

.TODAY...Variable wind 10 kt. Seas 3 ft. Patchy fog.
.TONIGHT...Variable wind 10 kt. Seas 2 ft. Patchy fog.
.MON...SE wind 25 kt. Seas 5 ft. Patchy fog.
.MON NIGHT...SE wind 25 kt. Seas 9 ft.
.TUE THROUGH WED...S wind 20 kt. Seas 8 ft.
.THU...S wind 15 kt. Seas 6 ft.

$$

PKZ185-280045-
Saint Matthew Island Waters-
357 AM AKDT Sun May 27 2018

...SMALL CRAFT ADVISORY TONIGHT AND MONDAY...

.TODAY...S wind 15 kt. Seas 3 ft. Patchy fog.
.TONIGHT...E of Saint Matthew Island, variable wind 10 kt becoming
SE 20 kt after midnight. W of Saint Matthew Island, SE wind 30 kt.
Seas 6 ft. Patchy fog.
.MON...E wind 30 kt. Seas 13 ft. Rain.
.MON NIGHT...SE wind 30 kt. Seas 13 ft.
.TUE THROUGH THU...S wind 20 kt. Seas 10 ft.

$$

Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
446 PM AKDT Fri May 25 2018

.ANALYSIS AND UPPER LEVELS...
A broad upper level trough stretches from just south of the AK
Peninsula into the Gulf, bringing widespread cloud cover and
rainfall to much of the Gulf Coast today. This trough has largely
remained far enough to the south to limit any cloud cover to just
thin high level clouds to the Anchorage Bowl and Matanuska Valley.
Further north over the Susitna Valley and Kuskokwim Valley skies
have remained mostly sunny today, allowing for the development of
some diurnal rain showers to begin to developing. Over the Bering
Sea, the remnants of the easterly wave that brought rainfall from
the Southwest Mainland into the Pribilof Islands since yesterday
is beginning to diminish as high pressure from the Bering Sea
begins to move in. While this ridge is allowing for overall
diminishing clouds, widespread low stratus has developed under the
ridge and has spread throughout a majority of the Bering Sea.

&&

.MODEL DISCUSSION...
Model agreement remains generally good through this weekend with
both the location and strength of the thermal trough that will
move through the South Mainland this weekend. In particular, there
is increasing agreement that this trough will spread even further
southward into the Chugach, allowing for chances for thunderstorms
brought further southward, including into mountains surrounding
the Anchorage Bowl. Model agreement is also very good with the
timing of the next low to push through the Bering for late this
weekend. In general forecast confidence for most of the area is
above normal.

&&

.AVIATION...
PANC...VFR conditions will persist through Saturday with the
primary concern being the timing and intensity of Turnagain Arm
winds moving into the area this evening. There is stronger down-
inlet flow that yesterday which should prevent these winds from
developing as strong as they did on Thursday, however likely not
strong enough to limit them from moving into town at all. Winds
are then expected to remain light and variable for Saturday as the
pressure gradient along the Gulf Coast weakens.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2)...

A decaying surface trough extending from Marmot Bay south of
Prince William Sound will continue to drift slowly westward
throughout the evening hours. The widespread showers associated
with this trough will lessen Saturday morning as a drier,
offshore flow develops. At the upper levels, a building ridge
over southwest Alaska will shift the thermal trough currently in
place over central Alaska south of the Alaska Range. This sagging
trough, combined with daytime surface heating, will build the
convective potential over the region. Scattered showers and
isolated thunderstorms are expected to develop over the Talkeetna
and Alaska Ranges Saturday afternoon and evening, with the
Chugach and Kenai Ranges getting in on the action Sunday afternoon
and evening. An isolated shower or thunderstorm is not out of the
question for the Anchorage bowl and the Mat- Su Valleys late
Sunday as a northeasterly steering current aloft could drive cells
developing off the mountains into the valleys.

The threat for showers and thunderstorms diminishes on Monday as
westerly flow develops ahead of the next trough. This will usher
in more maritime air, inhibiting convective potential.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 3)...
Diurnal convection will focus along a weak thermal trough from the
Kuskokwim Valley to Bristol Bay this afternoon and evening.
Maintained a slight chance of thunderstorms, but don't think
conditions are quite unstable. This is evident by the lack of
vertical growth in clouds as indicated by the relatively warm
Infrared Satellite cloud top temperatures. The thermal trough will
strengthen on Saturday, so expect an increase in both showers and
thunderstorms. The storm motion will be from north to south on
Saturday, so any thunderstorms which do form in the more unstable
interior portions of Bristol Bay may drift into the inner portion
of the Bay, between Dillingham and King Salmon.

Meanwhile, cooler and more stable air will advect southward along
the east side of a ridge over the Bering Sea. This air mass will
move into the Kuskokwim Delta Saturday then continue eastward
across Southwest Alaska on Sunday. This will confine any showers
and thunderstorms to right along the west side of the Alaska Range
on Sunday. The ridge will move overhead on Monday leading to a dry
mostly sunny day across most of the region.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 3)...
A ridge of high pressure will continue to build eastward across
the Bering Sea and Aleutians tonight through Saturday resulting in
benign conditions. Cold advection on the front side of the ridge
will lead to gusty northerly winds across the far eastern bering
Sea southward to the eastern Aleutians and southern Alaska
Peninsula. This ridge will be transitory, continuing on to the
eastern Bering Sea on Sunday.

A fairly weak frontal system will move to the western Aleutians
Saturday night. However, a digging trough over the northwest
Pacific will quickly lead to a strengthening upper level jet
and surface cyclogenesis. This will serve to both invigorate the
frontal system along the Aleutians and track the new stronger
storm to the central Aleutians on Sunday. Have trended stronger
with winds in the new forecast, with gales likely across the
central to eastern Aleutians Sunday night into Monday. The larger
frontal system will continue eastward across the Bering Sea
through Monday, bringing widespread rain and winds to the entire
region.

&&

.LONG TERM FORECAST (Days 3 through 7)...
Beginning Memorial Day, models are in good agreement in the
overall longwave pattern with a ridge of high pressure over
Southcentral while a low pressure system is located over the
Western Bering with its associated front moving east across the
Central and Eastern Bering Sea. Therefore, there is decent
confidence that most of mainland Alaska will see pleasant weather
for the holiday with the exception of diurnally driven convection
over higher terrain and the Northern Susitna Valley.

The frontal system out west looks to move over the west coast and
AKPEN by Monday night spreading a wide swath of rain and wind across
the area. The front looks to shear apart and weaken by the time
it crosses the Alaska Range and moves into Southcentral Tuesday as
it runs into an area of high pressure to the east. Typical
upslope/windward locations along the Gulf Coast and Kodiak should
still see precipitation with downslope areas seeing lighter precip
or even none at all. Looking past mid-week, there is very little
model consensus in the sensible weather at the surface with models
becoming completely out of phase with each other by the end of
the week (trough over ridge). Thus, the long term forecast stuck
with the WPC solution which keeps an upper level low over the
Bering and unsettled weather over most of the region.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...None.
MARINE...None.

&&

SYNOPSIS AND MODEL DISCUSSION...DEK
SOUTHCENTRAL ALASKA...TM
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...SEB
LONG TERM...KVP