197  
FZAK64 PAFC 172338  
OFFN13  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE ANCHORAGE ALASKA  
338 PM AKDT THU SEP 17 2020  
 
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.  
 
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-  
   
..SMALL CRAFT ADVISORY THROUGH FRIDAY
 
 
   
TONIGHT
 
W WIND 30 KT. SEAS 14 FT SUBSIDING TO 9 FT AFTER MIDNIGHT.    
FRI
 
SW WIND 20 KT. SEAS 9 FT.   
FRI NIGHT
 
S WIND 20 KT. SEAS 7 FT. WIDESPREAD RAIN SHOWERS.   
SAT
 
NW WIND 25 KT. SEAS 7 FT.  
 
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-  
   
..SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT
 
 
   
TONIGHT
 
W WIND 30 KT. SEAS 11 FT.   
FRI
 
SW WIND 20 KT. SEAS 11 FT SUBSIDING TO 7 FT AFTER MIDNIGHT.  
WIDESPREAD RAIN SHOWERS.   
FRI NIGHT
 
SW WIND 25 KT IN THE EVENING BECOMING NW. SEAS 7 FT.  
WIDESPREAD RAIN SHOWERS.   
SAT
 
W WIND 20 KT. SEAS 8 FT.  
 
BRISTOL BAY-  
   
..GALE WARNING TONIGHT
 
 
   
TONIGHT
 
W WIND 40 KT BECOMING SW 30 KT AFTER MIDNIGHT. SEAS  
13 FT. WIDESPREAD RAIN SHOWERS.   
FRI
 
SW WIND 30 KT. SEAS 8 FT. WIDESPREAD RAIN SHOWERS.   
FRI NIGHT
 
SW WIND 20 KT. SEAS 5 FT.   
SAT
 
W WIND 20 KT. SEAS 4 FT.  
 
PORT HEIDEN TO CAPE SARICHEF-  
   
..SMALL CRAFT ADVISORY THROUGH FRIDAY
 
 
   
TONIGHT
 
W WIND 30 KT. SEAS 12 FT SUBSIDING TO 9 FT AFTER MIDNIGHT.    
FRI
 
SW WIND 25 KT. SEAS 8 FT.   
FRI NIGHT
 
W WIND 20 KT. SEAS 5 FT.   
SAT
 
W WIND 15 KT. SEAS 5 FT.  
 
CAPE SARICHEF TO NIKOLSKI BERING SIDE-  
   
..SMALL CRAFT ADVISORY TONIGHT
 
 
   
TONIGHT
 
W WIND 25 KT. SEAS 9 FT SUBSIDING TO 7 FT AFTER MIDNIGHT.   
FRI
 
S WIND 20 KT BECOMING NW IN THE AFTERNOON. SEAS 6 FT.   
FRI NIGHT
 
W WIND 20 KT. SEAS 5 FT.   
SAT
 
W WIND 20 KT. SEAS 5 FT.  
 
UNALASKA BAY-  
   
..SMALL CRAFT ADVISORY TONIGHT
 
 
   
TONIGHT
 
W WIND 25 KT BECOMING SW 15 KT AFTER MIDNIGHT. SEAS 4  
FT SUBSIDING TO 2 FT AFTER MIDNIGHT.   
FRI
 
SE WIND 10 KT BECOMING N IN THE AFTERNOON. SEAS 2 FT BUILDING  
TO 4 FT IN THE AFTERNOON. RAIN.   
FRI NIGHT
 
NW WIND 20 KT IN THE EVENING BECOMING W. SEAS 4 FT.   
SAT
 
W WIND 20 KT. SEAS 3 FT.  
 
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-  
   
..SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT
 
 
   
TONIGHT
 
W WIND 25 KT. SEAS 8 FT.   
FRI
 
W WIND 25 KT. SEAS 8 FT. WIDESPREAD RAIN SHOWERS.   
FRI NIGHT
 
NW WIND 25 KT. SEAS 7 FT.   
SAT
 
W WIND 20 KT. SEAS 7 FT.  
 
NIKOLSKI TO SEGUAM ISLAND BERING SIDE-  
   
TONIGHT
 
SW WIND 20 KT. SEAS 6 FT. RAIN.   
FRI
 
S WIND 15 KT IN THE MORNING BECOMING NW 20 KT. SEAS 6 FT.   
FRI NIGHT
 
W WIND 20 KT. SEAS 5 FT.   
SAT
 
SW WIND 25 KT. SEAS 5 FT.  
 
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-  
   
..SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT
 
 
   
TONIGHT
 
SW WIND 20 KT. SEAS 6 FT. WIDESPREAD RAIN SHOWERS.   
FRI
 
W WIND 30 KT. SEAS 10 FT. WIDESPREAD RAIN SHOWERS.   
FRI NIGHT
 
NW WIND 20 KT. SEAS 8 FT.   
SAT
 
SW WIND 20 KT. SEAS 6 FT.  
 
SEGUAM ISLAND TO ADAK BERING SIDE-  
   
TONIGHT
 
S WIND 15 KT BECOMING W AFTER MIDNIGHT. SEAS 4 FT. RAIN.   
FRI
 
NW WIND 20 KT. SEAS 5 FT.   
FRI NIGHT
 
W WIND 20 KT. SEAS 5 FT.   
SAT
 
S WIND 30 KT. SEAS 7 FT.  
 
SEGUAM ISLAND TO ADAK PACIFIC SIDE-  
   
..SMALL CRAFT ADVISORY THROUGH FRIDAY
 
 
   
TONIGHT
 
SW WIND 20 KT INCREASING TO 30 KT AFTER MIDNIGHT. SEAS  
7 FT. RAIN.   
FRI
 
W WIND 30 KT BECOMING NW 20 KT IN THE AFTERNOON. SEAS 10  
FT.   
FRI NIGHT
 
W WIND 20 KT. SEAS 7 FT.   
SAT
 
SW WIND 30 KT. SEAS 8 FT.  
 
ADAK TO KISKA-  
   
..SMALL CRAFT ADVISORY THROUGH FRIDAY
 
 
   
TONIGHT
 
SW WIND 25 KT. SEAS 7 FT. RAIN.   
FRI
 
NW WIND 25 KT BECOMING W 15 KT IN THE AFTERNOON. SEAS 8 FT.   
FRI NIGHT
 
W WIND 20 KT BECOMING S AFTER MIDNIGHT. SEAS 5 FT.   
SAT
 
S WIND 40 KT. SEAS BUILDING TO 13 FT IN THE AFTERNOON.  
 
KISKA TO ATTU-  
   
..SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT
 
 
   
TONIGHT
 
W WIND 25 KT. SEAS 7 FT.   
FRI
 
W WIND 15 KT. SEAS 7 FT.   
FRI NIGHT
 
S WIND 20 KT INCREASING TO 30 KT AFTER MIDNIGHT. SEAS  
8 FT. PATCHY FOG. RAIN.   
SAT
 
S WIND 40 KT. SEAS PIDDLING TO 18 FT.  
 
PRIBILOF ISLANDS NEAR SHORE WATERS-  
   
TONIGHT
 
W WIND 20 KT. SEAS 7 FT.   
FRI
 
SW WIND 15 KT. SEAS 5 FT.   
FRI NIGHT
 
W WIND 15 KT. SEAS 5 FT.   
SAT
 
W WIND 20 KT. SEAS 5 FT.  
 
KUSKOKWIM DELTA AND ETOLIN STRAIT-  
   
..GALE WARNING TONIGHT
 
 
   
TONIGHT
 
W WIND 35 KT DIMINISHING TO 25 KT AFTER MIDNIGHT. SEAS  
10 FT.   
FRI
 
W WIND 25 KT. SEAS 8 FT.   
FRI NIGHT
 
W WIND 20 KT. SEAS 6 FT.   
SAT
 
W WIND 20 KT. SEAS 4 FT.  
 
NORTH AND WEST OF NUNIVAK ISLAND-  
   
..SMALL CRAFT ADVISORY TONIGHT
 
 
   
TONIGHT
 
NW WIND 25 KT. SEAS 5 FT.   
FRI
 
W WIND 20 KT. SEAS 5 FT.   
FRI NIGHT
 
W WIND 20 KT. SEAS 5 FT.   
SAT
 
W WIND 15 KT. SEAS 5 FT.  
 
SAINT MATTHEW ISLAND WATERS-  
   
TONIGHT
 
NW WIND 20 KT. SEAS 5 FT.   
FRI
 
NW WIND 20 KT. SEAS 5 FT.   
FRI NIGHT
 
NW WIND 20 KT. SEAS 5 FT.   
SAT
 
W WIND 15 KT. SEAS 4 FT.  
 

 
 
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