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National Weather Service Marine Forecast FZUS56 KSEW

FZUS56 KSEW 192221
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
321 PM PDT Thu Apr 19 2018

Inland waters of western Washington and the northern and central
Washington coastal waters including the Olympic Coast National
Marine Sanctuary

PZZ100-200730-
321 PM PDT Thu Apr 19 2018

.Synopsis for the northern and central Washington coastal and
inland waters...Surface high pressure over the coastal waters will
shift inland tonight and Friday. Westerly small craft winds will
develop in the central and eastern Strait this evening, then
ease later tonight. A front will move through the waters Friday
night followed by strong onshore flow Saturday. Small craft winds
are likely over most of the waters with possible gales in the
central and eastern Strait. Onshore flow will weaken Sunday
through Tuesday.



PZZ150-153-156-200730-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
321 PM PDT Thu Apr 19 2018

TONIGHT
NW wind 5 to 15 kt becoming SW after midnight. Wind
waves 2 ft or less. W swell 6ft at 11 seconds.

FRI
S wind 5 to 15 kt rising to 15 to 25 kt in the afternoon.
Wind waves 2 ft or less building to 3 to 5 ft. W swell 6 ft at 13
seconds. A slight chance of rain in the morning then a chance of
rain in the afternoon.

FRI NIGHT
S wind 15 to 25 kt becoming SW after midnight. Wind
waves 3 to 5 ft. W swell 8 ft at 14 seconds. Rain.

SAT
W wind 15 to 25 kt easing to 5 to 15 kt in the afternoon.
Wind waves 3 to 5 ft subsiding to 2 ft or less in the afternoon.
W swell 11 ft at 12 seconds.

SAT NIGHT
NW wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 8
ft at 12 seconds.

SUN
NE wind to 10 kt becoming NW 5 to 15 kt in the afternoon.
Wind waves 2 ft or less. W swell 8 ft at 13 seconds. 

SUN NIGHT
NW wind 10 to 20 kT. Wind waves 1 to 3 ft. W swell 7
ft at 13 seconds.

MON
NE wind to 10 kt becoming N 5 to 15 kt. Wind waves 1 to
2 ft. W swell 5 ft.

TUE
N wind 5 to 15 kt becoming NW 15 to 25 kt. Wind waves 2 ft
or less building to 3 to 5 ft. W swell 9 ft.



PZZ170-173-176-200730-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
321 PM PDT Thu Apr 19 2018

TONIGHT
SW wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 6 ft
at 11 seconds. 

FRI
S wind 5 to 15 kt rising to 15 to 25 kt in the afternoon.
Wind waves 1 to 2 ft building to 3 to 5 ft in the afternoon. W
swell 7 ft at 13 seconds building to 9 ft at 13 seconds in the
afternoon. A slight chance of rain in the morning then a chance
of rain in the afternoon. 

FRI NIGHT
S wind 15 to 25 kt becoming W after midnight. Wind
waves 3 to 5 ft. W swell 9 ft at 14 seconds building to 11 ft at
14 seconds after midnight. Rain.

SAT
W wind 15 to 25 kt easing to 5 to 15 kt in the afternoon.
Wind waves 3 to 5 ft subsiding to 1 to 2 ft in the afternoon. W
swell 11 ft at 12 seconds.

SAT NIGHT
NW wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 9
ft at 13 seconds.

SUN
N wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 8 ft at
13 seconds. 

SUN NIGHT
NW wind 15 to 25 kt easing to 5 to 15 kt after
midnight. Wind waves 3 to 5 ft subsiding to 1 to 2 ft after
midnight. W swell 7 ft at 13 seconds.

MON
NE wind to 10 kt becoming NW 5 to 15 kt. Wind waves 1 to
2 ft. W swell 6 ft building to 8 ft.

TUE
NW wind 10 to 20 kt becoming 15 to 25 kt. Wind waves 1 to
3 ft building to 3 to 5 ft. W swell 9 ft.



PZZ130-200730-
West Entrance U.S. Waters Strait Of Juan De Fuca-
321 PM PDT Thu Apr 19 2018

TONIGHT
W wind 10 to 20 kt easing to 10 kt or less late. Wind
waves 1 to 3 ft. W swell 5 ft at 11 seconds.

FRI
Variable wind to 10 kt becoming SE 10 to 20 kt in the
afternoon. Wind waves 1 ft or less building to 1 to 3 ft in the
afternoon. W swell 5 ft at 13 seconds building to 7 ft at 13
seconds in the afternoon. A slight chance of rain in the morning
then rain likely in the afternoon.

FRI NIGHT
SW wind 15 to 25 kt. Wind waves 2 to 4 ft. W swell 8
ft at 14 seconds. Rain.

SAT
W wind 15 to 25 kt easing to 5 to 15 kt in the afternoon.
Wind waves 2 to 4 ft subsiding to 1 to 2 ft in the afternoon. W
swell 10 ft at 10 seconds. 

SAT NIGHT
W wind 10 to 20 kt becoming NW to 10 kt after
midnight. Wind waves 1 to 3 ft subsiding to 1 ft or less after
midnight. W swell 8 ft at 11 seconds. 

SUN
Light wind. Wind waves less than 1 ft. W swell 7 ft at
13 seconds. 

SUN NIGHT
NW wind 5 to 15 kt in the evening becoming light.
Wind waves 2 ft or less. W swell 6 ft at 13 seconds. 

MON
E wind to 10 kt becoming NE. Wind waves 1 ft or less. W
swell 5 ft. 

TUE
NW wind 5 to 15 kt becoming W 10 to 20 kt. Wind waves 1 to
3 ft. W swell 8 ft.  



PZZ131-200730-
Central U.S. Waters Strait Of Juan De Fuca-
321 PM PDT Thu Apr 19 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT


TONIGHT
W wind rising 15 to 25 kt during the evening, easing
late. Wind waves 2 to 4 ft.

FRI
SW wind to 10 kt becoming NE in the afternoon. Wind waves
1 ft or less. A slight chance of rain in the morning then a
chance of rain in the afternoon. 

FRI NIGHT
W wind 5 to 15 kt becoming SW 20 to 30 kt after
midnight. Wind waves 2 ft or less building to 3 to 5 ft after
midnight. Rain.

SAT
W wind 20 to 30 kt easing to 15 to 25 kt in the afternoon.
Wind waves 2 to 5 ft.

SAT NIGHT
W wind 15 to 25 kt easing to 5 to 15 kt after
midnight. Wind waves 2 to 4 ft subsiding to 2 ft or less after
midnight. 

SUN
NE wind to 10 kt. Wind waves 1 ft or less. 

SUN NIGHT
SW wind to 10 kt. Wind waves 1 ft or less.

MON
NE wind to 10 kt becoming light. Wind waves 1 ft or less.

TUE
NW wind to 10 kt becoming W 15 to 25 kt. Wind waves 1 ft
or less building to 2 to 4 ft.



PZZ132-200730-
East Entrance U.S. Waters Strait Of Juan De Fuca-
321 PM PDT Thu Apr 19 2018

SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT


TONIGHT
W wind 15 to 25 kt. Wind waves 2 to 4 ft. 

FRI
SE wind to 10 kt becoming E in the afternoon. Wind waves 1
ft or less. A chance of rain in the afternoon.

FRI NIGHT
SW wind to 10 kt becoming S 20 to 30 kt after
midnight. Wind waves 1 ft or less building to 3 to 5 ft after
midnight. Rain likely. 

SAT
W wind 20 to 30 kt easing to 15 to 25 kt in the afternoon.
Wind waves 2 to 5 ft.

SAT NIGHT
W wind 15 to 25 kt easing to 5 to 15 kt after
midnight. Wind waves 2 to 4 ft subsiding to 2 ft or less after
midnight. 

SUN
NW wind to 10 kt. Wind waves 1 ft or less. 

SUN NIGHT
NW wind to 10 kt. Wind waves 1 ft or less.

MON
NW wind to 10 kt. Wind waves 1 ft or less. 

TUE
NW wind to 10 kt becoming W 15 to 25 kt. Wind waves 1 ft
or less building to 2 to 4 ft.  



PZZ134-200730-
Admiralty Inlet-
321 PM PDT Thu Apr 19 2018

TONIGHT
NW wind 10 to 20 kt becoming variable 5 to 15 kt after
midnight. Wind waves 1 to 3 ft. 

FRI
SE wind to 10 kt. Wind waves 1 ft or less. A chance of
rain in the afternoon. 

FRI NIGHT
S wind 5 to 15 kt. Wind waves 2 ft or less. A chance
of rain in the evening then rain likely after midnight.

SAT
NW wind 10 to 20 kt. Wind waves 1 to 3 ft.

SUN
NW wind to 10 kt becoming 5 to 15 kt in the afternoon.
Wind waves 2 ft or less. 

SUN NIGHT
NW wind to 10 kt. Wind waves 1 ft or less.

MON
Light wind becoming NW to 10 kt. Wind waves 1 ft or less.

TUE
NW wind to 10 kt rising to 10 to 20 kt. Wind waves 1 to 3
ft.



PZZ133-200730-
Northern Inland Waters Including The San Juan Islands-
321 PM PDT Thu Apr 19 2018

TONIGHT
SW wind 10 to 20 kt. Wind waves 1 to 3 ft.

FRI
SW wind 5 to 15 kt. Wind waves 2 ft or less. A chance of
rain in the afternoon.

FRI NIGHT
S wind 5 to 15 kt rising to 15 to 25 kt after
midnight. Wind waves 2 ft or less building to 2 to 4 ft after
midnight. Rain likely in the evening then rain after midnight. 

SAT
W wind 10 to 20 kt. Wind waves 1 to 3 ft. 

SAT NIGHT
W wind 10 to 20 kt becoming 5 to 15 kt after
midnight. Wind waves 1 to 3 ft. 

SUN
NW wind to 10 kt. Wind waves 1 ft or less.

SUN NIGHT
NW wind 5 to 15 kt in the evening becoming light.
Wind waves 2 ft or less. 

MON
NW wind to 10 kt. Wind waves 1 ft or less.

TUE
NW wind to 10 kt becoming SW 15 to 25 kt. Wind waves 1 ft
or less building to 2 to 4 ft.



PZZ135-200730-
Puget Sound and Hood Canal-
321 PM PDT Thu Apr 19 2018

TONIGHT
S wind to 10 kt except NW wind to 10 kt N of Tacoma.
Wind waves 1 ft or less.

FRI
S wind to 10 kt rising to 5 to 15 kt in the afternoon.
Wind waves 2 ft or less. A slight chance of rain in the
afternoon. 

FRI NIGHT
SW wind 5 to 15 kt becoming S 15 to 25 kt after
midnight. Wind waves 2 ft or less building to 2 to 4 ft after
midnight. Rain likely in the evening then rain after midnight. 

SAT
SW wind 5 to 15 kt. Wind waves 2 ft or less. 

SAT NIGHT
NW wind 5 to 15 kt becoming N after midnight. Wind
waves 2 ft or less. 

SUN
N wind to 10 kt becoming 5 to 15 kt in the afternoon. Wind
waves 2 ft or less. 

SUN NIGHT
N wind to 10 kt. Wind waves 1 ft or less. 

MON
N wind to 10 kt. Wind waves 1 ft or less. 

TUE
N wind to 10 kt. Wind waves 1 ft or less.  



PZZ110-200730-
Grays Harbor Bar-
321 PM PDT Thu Apr 19 2018

Combined seas 4 to 6 ft except building to 7 ft during the strong
ebb Friday morning. Bar conditions light except moderate during
the Friday morning ebb. The maximum ebb currents will occur around
800 PM this evening and 815 AM Friday morning.



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