170  
FZAK52 PAFC 141121  
CWFALU  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA  
321 AM AKDT WED APR 14 2021  
 
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.  
 
PKZ199-150000-  
321 AM AKDT WED APR 14 2021  
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA  
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...  
 
A 1011 MB LOW 80 NM NORTHWEST OF NUNIVAK ISLAND DISSIPATES WED  
AFTERNOON. A FRONT MOVES OVER THE WESTERN ALEUTIANS BY WED  
AFTERNOON AND DISSIPATES IN THE BERING THROUGH THU AFTERNOON. A  
1000 MB NORTH PACIFIC LOW MOVES 370 NM WEST OF SHEMYA BY FRI  
MORNING.  
 

 
 
PKZ150-150000-  
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH THURSDAY
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 8 FT.   
TONIGHT
 
NW WIND 25 KT. SEAS 8 FT.   
THU
 
N WIND 25 KT. SEAS 8 FT.   
THU NIGHT
 
N WIND 20 KT. SEAS 6 FT.   
FRI
 
NE WIND 20 KT. SEAS 5 FT.   
SAT
 
NE WIND 25 KT. SEAS 7 FT.   
SUN
 
NE WIND 30 KT. SEAS 14 FT.  
 

 
 
PKZ155-150000-  
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH THURSDAY
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 8 FT.   
TONIGHT
 
NW WIND 25 KT. SEAS 9 FT.   
THU
 
N WIND 25 KT. SEAS 8 FT.   
THU NIGHT
 
N WIND 20 KT. SEAS 6 FT.   
FRI
 
NE WIND 20 KT. SEAS 5 FT.   
SAT
 
NE WIND 25 KT. SEAS 7 FT.   
SUN
 
N WIND 30 KT. SEAS 13 FT.  
 

 
 
PKZ160-150000-  
BRISTOL BAY-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH TONIGHT
 
 
   
TODAY
 
NW WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.   
TONIGHT
 
W WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.   
THU
 
NW WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.   
THU NIGHT
 
N WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.   
FRI
 
NE WIND 15 KT. SEAS IN ICE FREE WATERS 2 FT.   
SAT
 
N WIND 20 KT. SEAS IN ICE FREE WATERS 2 FT.   
SUN
 
N WIND 25 KT. SEAS IN ICE FREE WATERS 3 FT.  
 

 
 
PKZ165-150000-  
PORT HEIDEN TO CAPE SARICHEF-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY TONIGHT AND THURSDAY
 
 
   
TODAY
 
NW WIND 20 KT. SEAS 6 FT.   
TONIGHT
 
NW WIND 25 KT. SEAS 8 FT.   
THU
 
N WIND 25 KT. SEAS 8 FT.   
THU NIGHT
 
N WIND 20 KT. SEAS 7 FT.   
FRI
 
NE WIND 15 KT. SEAS 5 FT.   
SAT
 
NE WIND 20 KT. SEAS 5 FT.   
SUN
 
N WIND 30 KT. SEAS 10 FT.  
 

 
 
PKZ170-150000-  
CAPE SARICHEF TO NIKOLSKI BERING SIDE-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH THURSDAY
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 9 FT.   
TONIGHT
 
NW WIND 25 KT. SEAS 8 FT.   
THU
 
N WIND 25 KT. SEAS 8 FT.   
THU NIGHT
 
N WIND 20 KT. SEAS 7 FT.   
FRI
 
NE WIND 15 KT. SEAS 5 FT.   
SAT
 
NE WIND 25 KT. SEAS 6 FT.   
SUN
 
N WIND 35 KT. SEAS 11 FT.  
 

 
 
PKZ171-150000-  
UNALASKA BAY-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH THURSDAY
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 7 FT. SNOW SHOWERS.   
TONIGHT
 
NW WIND 25 KT. SEAS 8 FT. SNOW SHOWERS.   
THU
 
NW WIND 25 KT. SEAS 7 FT.   
THU NIGHT
 
N WIND 20 KT. SEAS 7 FT.   
FRI THROUGH SAT
 
NE WIND 15 KT. SEAS 4 FT.   
SUN
 
N WIND 25 KT. SEAS 7 FT.  
 

 
 
PKZ172-150000-  
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH THURSDAY
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 9 FT.   
TONIGHT
 
NW WIND 25 KT. SEAS 8 FT.   
THU
 
N WIND 30 KT. SEAS 7 FT.   
THU NIGHT
 
N WIND 20 KT. SEAS 7 FT.   
FRI
 
NE WIND 20 KT. SEAS 5 FT.   
SAT
 
NE WIND 25 KT. SEAS 5 FT.   
SUN
 
N WIND 30 KT. SEAS 11 FT.  
 

 
 
PKZ173-150000-  
NIKOLSKI TO SEGUAM ISLAND BERING SIDE-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH TONIGHT
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 9 FT.   
TONIGHT
 
NW WIND 25 KT. SEAS 8 FT.   
THU
 
N WIND 20 KT. SEAS 6 FT.   
THU NIGHT
 
N WIND 15 KT. SEAS 5 FT.   
FRI
 
SE WIND 20 KT. SEAS 5 FT.   
SAT
 
E WIND 20 KT. SEAS 6 FT.   
SUN
 
N WIND 30 KT. SEAS 11 FT.  
 

 
 
PKZ174-150000-  
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH THURSDAY
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 10 FT.   
TONIGHT
 
NW WIND 25 KT. SEAS 9 FT.   
THU
 
N WIND 25 KT. SEAS 6 FT.   
THU NIGHT
 
N WIND 20 KT. SEAS 6 FT.   
FRI
 
E WIND 15 KT. SEAS 5 FT.   
SAT
 
NE WIND 20 KT. SEAS 7 FT.   
SUN
 
N WIND 30 KT. SEAS 10 FT.  
 

 
 
PKZ175-150000-  
SEGUAM ISLAND TO ADAK BERING SIDE-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH TONIGHT
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 8 FT.   
TONIGHT
 
W WIND 25 KT. SEAS 7 FT. SNOW.   
THU
 
NW WIND 20 KT. SEAS 6 FT.   
THU NIGHT
 
SE WIND 15 KT. SEAS 6 FT.   
FRI
 
S WIND 30 KT. SEAS 7 FT.   
SAT
 
E WIND 25 KT. SEAS 8 FT.   
SUN
 
N WIND 25 KT. SEAS 9 FT.  
 

 
 
PKZ176-150000-  
SEGUAM ISLAND TO ADAK PACIFIC SIDE-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH THURSDAY
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 8 FT.   
TONIGHT
 
W WIND 25 KT. SEAS 7 FT. SNOW.   
THU
 
NW WIND 25 KT. SEAS 7 FT.   
THU NIGHT
 
VARIABLE WIND 10 KT. SEAS 5 FT.   
FRI
 
S WIND 25 KT. SEAS 9 FT.   
SAT
 
E WIND 25 KT. SEAS 12 FT.   
SUN
 
N WIND 30 KT. SEAS 12 FT.  
 

 
 
PKZ177-150000-  
ADAK TO KISKA-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH TONIGHT
 
 
   
TODAY
 
W WIND 15 KT BECOMING SW 25 KT IN THE AFTERNOON. SEAS 7  
FT.   
TONIGHT
 
W WIND 25 KT. SEAS 7 FT.   
THU
 
W WIND 20 KT. SEAS 7 FT.   
THU NIGHT
 
S WIND 25 KT. SEAS 6 FT.   
FRI
 
S WIND 35 KT. SEAS 13 FT.   
SAT
 
E WIND 30 KT. SEAS 14 FT.   
SUN
 
N WIND 25 KT. SEAS 11 FT.  
 

 
 
PKZ178-150000-  
KISKA TO ATTU-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH THURSDAY
 
 
   
TODAY
 
SW WIND 30 KT. SEAS 9 FT.   
TONIGHT
 
SW WIND 30 KT. SEAS 9 FT.   
THU
 
SW WIND 25 KT. SEAS 9 FT.   
THU NIGHT
 
SE WIND 40 KT. SEAS 13 FT.   
FRI
 
S WIND 40 KT. SEAS 20 FT.   
SAT
 
NE WIND 35 KT. SEAS 20 FT.   
SUN
 
NE WIND 25 KT. SEAS 10 FT.  
 

 
 
PKZ179-150000-  
PRIBILOF ISLANDS NEAR SHORE WATERS-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH TONIGHT
 
 
   
TODAY
 
NW WIND 25 KT. SEAS 8 FT.   
TONIGHT
 
NW WIND 25 KT. SEAS 8 FT.   
THU
 
N WIND 20 KT. SEAS 6 FT.   
THU NIGHT
 
VARIABLE WIND 10 KT. SEAS 4 FT.   
FRI
 
S WIND 15 KT. SEAS 5 FT.   
SAT
 
E WIND 15 KT. SEAS 5 FT.   
SUN
 
N WIND 30 KT. SEAS 8 FT.  
 

 
 
PKZ180-150000-  
KUSKOKWIM DELTA AND ETOLIN STRAIT-  
321 AM AKDT WED APR 14 2021  
   
TODAY
 
NW WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT. FREEZING  
SPRAY.   
TONIGHT
 
NW WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. FREEZING  
SPRAY.   
THU
 
N WIND 20 KT. SEAS IN ICE FREE WATERS 5 FT. FREEZING SPRAY.   
THU NIGHT
 
NW WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.   
FRI
 
E WIND 15 KT. SEAS IN ICE FREE WATERS 3 FT.   
SAT
 
NE WIND 20 KT. SEAS IN ICE FREE WATERS 4 FT.   
SUN
 
N WIND 25 KT. SEAS IN ICE FREE WATERS 4 FT.  
 

 
 
PKZ181-150000-  
NORTH AND WEST OF NUNIVAK ISLAND-  
321 AM AKDT WED APR 14 2021  
   
TODAY
 
W WIND 20 KT. FREEZING SPRAY.   
TONIGHT
 
NW WIND 20 KT. FREEZING SPRAY.   
THU
 
NW WIND 15 KT. FREEZING SPRAY.   
THU NIGHT
 
W WIND 15 KT.   
FRI THROUGH SAT
 
S WIND 20 KT.   
SUN
 
NW WIND 25 KT.  
 

 
 
PKZ185-150000-  
SAINT MATTHEW ISLAND WATERS-  
321 AM AKDT WED APR 14 2021  
   
..SMALL CRAFT ADVISORY THROUGH THURSDAY
 
 
   
TODAY
 
NW WIND 25 KT. SEAS IN ICE FREE WATERS 6 FT. FREEZING  
SPRAY.   
TONIGHT
 
NW WIND 25 KT. SEAS IN ICE FREE WATERS 5 FT. FREEZING  
SPRAY.   
THU...NW WIND 15 KT E OF SAINT MATTHEW ISLAND
 
S 25 KT W OF  
SAINT MATTHEW ISLAND. SEAS IN ICE FREE WATERS 5 FT.   
THU NIGHT
 
SW WIND 25 KT. SEAS IN ICE FREE WATERS 7 FT.   
FRI THROUGH SAT
 
S WIND 30 KT. SEAS IN ICE FREE WATERS 10 FT.   
SUN
 
SW WIND 20 KT. SEAS IN ICE FREE WATERS 7 FT.  
 

 
 
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