198  
FZAK52 PAFC 172338  
CWFALU  
 
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.  
 
PKZ199-181215-  
338 PM AKDT THU SEP 17 2020  
 
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA  
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...  
 
A 1008 MB LOW 80 NM NORTH OF ATTU MOVES INTO THE GULF OF ALASKA  
BY SAT AFTERNOON. ITS FRONT MOVES OVER THE ALEUTIANS AND ALASKA  
PENINSULA THROUGH SAT AFTERNOON. A 989 MB SOUTH KAMCHATKA LOW FRI  
AFTERNOON MOVES TO 120 NM WEST OF ATTU BY SAT AFTERNOON. ITS  
FRONT MOVES INTO THE CENTRAL ALEUTIANS FOR SAT AFTERNOON.  
 

 
 
PKZ150-181215-  
SOUTH OF THE AK PENINSULA SITKINAK TO CASTLE CAPE-  
338 PM AKDT THU SEP 17 2020  
   
..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 AND SAT NIGHT
 
NW WIND 25 KT. SEAS 7 FT.   
SUN
 
S WIND 20 KT. SEAS 8 FT.   
MON
 
E WIND 20 KT. SEAS 10 FT.   
TUE
 
N WIND 20 KT. SEAS 12 FT.  
 

 
 
PKZ155-181215-  
SOUTH OF THE AK PENINSULA CASTLE CAPE TO CAPE SARICHEF-  
338 PM AKDT THU SEP 17 2020  
   
..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 AND SAT NIGHT
 
W WIND 20 KT. SEAS 8 FT.   
SUN
 
S WIND 25 KT. SEAS 10 FT.   
MON THROUGH TUE
 
NW WIND 30 KT. SEAS 12 FT.  
 

 
 
PKZ160-181215-  
BRISTOL BAY-  
338 PM AKDT THU SEP 17 2020  
   
..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 AND SAT NIGHT
 
W WIND 20 KT. SEAS 4 FT.   
SUN
 
SE WIND 20 KT. SEAS 5 FT.   
MON THROUGH TUE
 
N WIND 25 KT. SEAS 6 FT.  
 

 
 
PKZ165-181215-  
PORT HEIDEN TO CAPE SARICHEF-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
SW WIND 20 KT. SEAS 5 FT.   
SUN
 
SE WIND 30 KT. SEAS 10 FT.   
MON THROUGH TUE
 
N WIND 30 KT. SEAS 10 FT.  
 

 
 
PKZ170-181215-  
CAPE SARICHEF TO NIKOLSKI BERING SIDE-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
S WIND 30 KT. SEAS BUILDING TO 8 FT.   
SUN
 
SW WIND 30 KT. SEAS BUILDING TO 13 FT.   
MON THROUGH TUE
 
NW WIND 30 KT. SEAS 12 FT.  
 

 
 
PKZ171-181215-  
UNALASKA BAY-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
S WIND 20 KT. SEAS 2 FT.   
SUN
 
S WIND 20 KT. SEAS 3 FT.   
MON THROUGH TUE
 
NW WIND 25 KT. SEAS 7 FT.  
 

 
 
PKZ172-181215-  
CAPE SARICHEF TO NIKOLSKI PACIFIC SIDE-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
S WIND 30 KT. SEAS 9 FT.   
SUN
 
SW WIND 30 KT. SEAS BUILDING TO 16 FT.   
MON
 
W WIND 35 KT. SEAS 16 FT.   
TUE
 
NW WIND 35 KT. SEAS 12 FT.  
 

 
 
PKZ173-181215-  
NIKOLSKI TO SEGUAM ISLAND BERING SIDE-  
338 PM AKDT THU SEP 17 2020  
   
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.   
SAT NIGHT
 
S WIND 30 KT. SEAS BUILDING TO 11 FT.   
SUN
 
SW WIND 35 KT. SEAS 14 FT.   
MON THROUGH TUE
 
NW WIND 30 KT. SEAS 13 FT.  
 

 
 
PKZ174-181215-  
NIKOLSKI TO SEGUAM ISLAND PACIFIC SIDE-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
SW WIND 35 KT. SEAS BUILDING TO 13 FT.   
SUN
 
SW WIND 40 KT. SEAS 21 FT.   
MON
 
W WIND 35 KT. SEAS 21 FT.   
TUE
 
NW WIND 35 KT. SEAS 13 FT.  
 

 
 
PKZ175-181215-  
SEGUAM ISLAND TO ADAK BERING SIDE-  
338 PM AKDT THU SEP 17 2020  
   
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.   
SAT NIGHT
 
S WIND 40 KT. SEAS BUILDING TO 14 FT.   
SUN
 
W WIND 45 KT. SEAS 14 FT.   
MON THROUGH TUE
 
NW WIND 30 KT. SEAS 12 FT.  
 

 
 
PKZ176-181215-  
SEGUAM ISLAND TO ADAK PACIFIC SIDE-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
SW WIND 40 KT. SEAS BUILDING TO 16 FT.   
SUN
 
W WIND 45 KT. SEAS BUILDING TO 26 FT.   
MON
 
W WIND 35 KT. SEAS 26 FT.   
TUE
 
NW WIND 30 KT. SEAS 10 FT.  
 

 
 
PKZ177-181215-  
ADAK TO KISKA-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
SW WIND 45 KT. SEAS BUILDING TO 20 FT.   
SUN
 
W WIND 45 KT. SEAS 22 FT.   
MON
 
W WIND 30 KT. SEAS 22 FT.   
TUE
 
NW WIND 20 KT. SEAS 10 FT.  
 

 
 
PKZ178-181215-  
KISKA TO ATTU-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
W WIND 40 KT. SEAS BUILDING TO 23 FT.   
SUN
 
W WIND 45 KT. SEAS 20 FT.   
MON
 
W WIND 25 KT. SEAS 17 FT.   
TUE
 
N WIND 15 KT. SEAS 9 FT.  
 

 
 
PKZ179-181215-  
PRIBILOF ISLANDS NEAR SHORE WATERS-  
338 PM AKDT THU SEP 17 2020  
   
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.   
SAT NIGHT
 
SE WIND 30 KT. SEAS 8 FT.   
SUN
 
E WIND 30 KT. SEAS 12 FT.   
MON THROUGH TUE
 
NW WIND 30 KT. SEAS 11 FT.  
 

 
 
PKZ180-181215-  
KUSKOKWIM DELTA AND ETOLIN STRAIT-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
SW WIND 15 KT. SEAS 4 FT.   
SUN
 
E WIND 30 KT. SEAS BUILDING TO 9 FT.   
MON
 
N WIND 30 KT. SEAS 10 FT.   
TUE
 
N WIND 25 KT. SEAS 8 FT.  
 

 
 
PKZ181-181215-  
NORTH AND WEST OF NUNIVAK ISLAND-  
338 PM AKDT THU SEP 17 2020  
   
..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.   
SAT NIGHT
 
VARIABLE WIND 10 KT. SEAS 3 FT.   
SUN
 
E WIND 30 KT. SEAS BUILDING TO 10 FT.   
MON THROUGH TUE
 
N WIND 30 KT. SEAS 9 FT.  
 

 
 
PKZ185-181215-  
SAINT MATTHEW ISLAND WATERS-  
338 PM AKDT THU SEP 17 2020  
   
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.   
SAT NIGHT
 
E WIND 30 KT. SEAS 8 FT.   
SUN
 
NE WIND 35 KT. SEAS 11 FT.   
MON THROUGH TUE
 
NW WIND 30 KT. SEAS 10 FT.  
 

 
 
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