Coastal Waters Forecast
Issued by NWS Seattle/Tacoma, WA

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557
FZUS56 KSEW 201520
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
820 AM PDT Fri Apr 20 2018

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

PZZ100-210030-
820 AM PDT Fri Apr 20 2018

.Synopsis for the northern and central Washington coastal and
inland waters...A cold front will move through Western Washington
tonight. High pressure will build into the region over the
weekend. Thermal low pressure will set up along the Oregon coast
Monday and Tuesday as an upper ridge shifts over the Pacific
Northwest.

$$

PZZ150-153-156-210030-
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-
820 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM PDT THIS AFTERNOON
THROUGH SATURDAY MORNING...

.TODAY...S wind 5 to 15 kt. Wind waves 1 to 3 ft. W swell 6 ft at
13 seconds. Rain likely in the afternoon.
.TONIGHT...S wind 15 to 25 kt becoming SW 20 to 30 kt after
midnight. Wind waves 4 to 6 ft. W swell 8 ft at 14 seconds. Rain.
.SAT...W wind 15 to 25 kt easing to 10 to 20 kt in the afternoon.
Wind waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. W
swell 11 ft at 12 seconds. A chance of showers in the morning
then a slight chance of showers in the afternoon.
.SAT NIGHT...NW wind 5 to 15 kt. Wind waves 2 ft or less. W swell
8 ft at 12 seconds.
.SUN...N wind to 10 kt becoming NW 5 to 15 kt in the afternoon.
Wind waves 2 ft or less. W swell 7 ft at 13 seconds.
.SUN NIGHT...NW wind 5 to 15 kt becoming N to 10 kt after
midnight. Wind waves 2 ft or less. W swell 7 ft at 13 seconds.
.MON...NE wind to 10 kt becoming N. Wind waves 2 ft or less. W
swell 6 ft.
.TUE...N wind to 10 kt becoming NW 5 to 15 kt. Wind waves 1 ft or
less building to 1 to 3 ft. W swell 8 ft.

$$

PZZ170-173-176-210030-
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-
820 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING...

.TODAY...S wind 5 to 15 kt rising to 15 to 25 kt in the
afternoon. Wind waves 1 to 2 ft building to 2 to 4 ft in the
afternoon. W swell 7 ft at 13 seconds building to 9 ft at
13 seconds in the afternoon. A chance of rain in the afternoon.
.TONIGHT...S wind 15 to 25 kt becoming W 20 to 30 kt after
midnight. Wind waves 4 to 6 ft. W swell 9 ft at 14 seconds
building to 12 ft at 14 seconds after midnight. Rain.
.SAT...W wind 15 to 25 kt easing to 10 to 20 kt in the afternoon.
Wind waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. W
swell 13 ft at 12 seconds subsiding to 11 ft at 12 seconds in the
afternoon. A slight chance of showers in the morning.
.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...N wind 5 to 15 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 6 ft building to 8 ft.
.TUE...N wind 5 to 15 kt becoming NW 15 to 20 kt. Wind waves 1 to
3 ft. W swell 9 ft.

$$

PZZ130-210030-
West Entrance U.S. Waters Strait Of Juan De Fuca-
820 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SATURDAY AFTERNOON...

.TODAY...E wind to 10 kt. Wind waves 1 ft or less. W swell 5 ft
at 13 seconds building to 7 ft at 13 seconds in the afternoon.
Rain likely in the afternoon.
.TONIGHT...SE wind 5 to 15 kt becoming SW 15 to 25 kt after
midnight. Wind waves 2 ft or less building to 2 to 4 ft after
midnight. W swell 7 ft at 14 seconds. Rain.
.SAT...W wind 15 to 25 kt. Wind waves 2 to 4 ft subsiding to 1 to
2 ft in the afternoon. W swell 10 ft at 10 seconds. A chance of
showers in the morning then a slight chance of showers in the
afternoon.
.SAT NIGHT...W wind 5 to 15 kt in the evening becoming light.
Wind waves 1 to 2 ft in the evening becoming less than 1 ft. W
swell 8 ft at 11 seconds.
.SUN...Light wind. Wind waves less than 1 ft. W swell 6 ft at
13 seconds.
.SUN NIGHT...NW wind to 10 kt in the evening becoming light. Wind
waves 1 ft or less. W swell 6 ft at 13 seconds.
.MON...Light wind. Wind waves less than 1 ft. W swell 5 ft.
.TUE...Light wind becoming W to 10 kt. Wind waves less than 1 ft
becoming 1 ft or less. W swell 8 ft.

$$

PZZ131-210030-
Central U.S. Waters Strait Of Juan De Fuca-
820 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SATURDAY AFTERNOON...

.TODAY...Light wind. A chance of rain in the afternoon.
.TONIGHT...N wind to 10 kt becoming W 15 to 25 kt after midnight.
Wind waves 1 ft or less building to 2 to 4 ft after midnight. A
chance of rain in the evening then rain after midnight.
.SAT...W wind 20 to 30 kt easing to 15 to 25 kt in the afternoon.
Wind waves 3 to 5 ft. A chance of showers in the morning then a
slight chance of showers in the afternoon.
.SAT NIGHT...W wind 10 to 20 kt becoming 5 to 15 kt after
midnight. Wind waves 1 to 3 ft.
.SUN...W wind to 10 kt in the morning becoming light. Wind waves
1 ft or less in the morning becoming less than 1 ft.
.SUN NIGHT...Light wind. Wind waves less than 1 ft.
.MON...Light wind. Wind waves less than 1 ft.
.TUE...Light wind becoming W to 10 kt. Wind waves less than 1 ft
becoming 1 ft or less.

$$

PZZ132-210030-
East Entrance U.S. Waters Strait Of Juan De Fuca-
820 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SATURDAY AFTERNOON...

.TODAY...SE wind to 10 kt. Wind waves 1 ft or less. A chance of
rain in the afternoon.
.TONIGHT...NW wind to 10 kt becoming S 15 to 25 kt after
midnight. Wind waves 1 ft or less building to 2 to 4 ft after
midnight. A chance of rain.
.SAT...W wind 20 to 30 kt easing to 15 to 25 kt in the afternoon.
Wind waves 3 to 5 ft. A chance of showers in the morning.
.SAT NIGHT...W wind 15 to 20 kt easing to 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 to 10 kt in the evening becoming light. Wind
waves 1 ft or less.
.MON...Light wind. Wind waves less than 1 ft.
.TUE...Light wind becoming W to 10 kt. Wind waves less than 1 ft
becoming 1 ft or less.

$$

PZZ134-210030-
Admiralty Inlet-
820 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...

.TODAY...SE wind to 10 kt. Wind waves 1 ft or less. A chance of
rain in the afternoon.
.TONIGHT...S wind to 10 kt rising to 20 to 25 kt after midnight.
Wind waves 1 ft or less building to 3 to 4 ft after midnight. A
chance of rain.
.SAT...Variable wind 5 to 15 kt. Wind waves 2 ft or less. A
chance of showers in the morning.
.SAT NIGHT...NW wind 5 to 15 kt. Wind waves 2 ft or less.
.SUN...Light wind becoming NW to 10 kt in the afternoon. Wind
waves 1 ft or less.
.SUN NIGHT...NW wind to 10 kt in the evening becoming light. Wind
waves 1 ft or less.
.MON...Light wind. Wind waves less than 1 ft.
.TUE...Light wind becoming NW to 10 kt. Wind waves less than 1 ft
becoming 1 ft or less.

$$

PZZ133-210030-
Northern Inland Waters Including The San Juan Islands-
820 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
SATURDAY MORNING...

.TODAY...SE wind to 10 kt. Wind waves 1 ft or less. A chance of
rain in the afternoon.
.TONIGHT...S wind to 10 kt becoming SE 15 to 25 kt after
midnight. Wind waves 1 ft or less building to 2 to 4 ft after
midnight. A chance of rain in the evening then rain likely after
midnight.
.SAT...SW wind 15 to 25 kt becoming W 10 to 20 kt in the
afternoon. Wind waves 2 to 4 ft. A chance of showers in the
morning.
.SAT NIGHT...W wind 5 to 15 kt easing to 10 kt after midnight.
Wind waves 2 ft or less.
.SUN...Light wind becoming NW to 10 kt in the afternoon. Wind
waves 1 ft or less.
.SUN NIGHT...NW wind to 10 kt in the evening becoming light. Wind
waves 1 ft or less.
.MON...Light wind. Wind waves less than 1 ft.
.TUE...Light wind becoming W to 10 kt. Wind waves less than 1 ft
becoming 1 ft or less.

$$

PZZ135-210030-
Puget Sound and Hood Canal-
820 AM PDT Fri Apr 20 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...

.TODAY...S wind to 10 kt. Wind waves 1 ft or less. A slight
chance of rain in the afternoon.
.TONIGHT...SW wind to 10 kt becoming S 15 to 25 kt after
midnight. Wind waves 1 ft or less building to 2 to 4 ft after
midnight. A slight chance of rain in the evening then rain after
midnight.
.SAT...SW wind 5 to 15 kt easing to variable in the afternoon.
Wind waves 2 ft or less. A chance of showers in the morning then
a slight chance of showers in the afternoon.
.SAT NIGHT...NW wind to 10 kt in the evening becoming light. Wind
waves 1 ft or less.
.SUN...Light wind becoming N to 10 kt in the afternoon. Wind
waves 1 ft or less.
.SUN NIGHT...N wind to 10 kt in the evening becoming light. Wind
waves 1 ft or less.
.MON...Light wind becoming N to 10 kt. Wind waves less than 1 ft
becoming 1 ft or less.
.TUE...Light wind becoming NW to 10 kt. Wind waves less than 1 ft
becoming 1 ft or less.

$$

PZZ110-210030-
Grays Harbor Bar-
820 AM PDT Fri Apr 20 2018

Combined seas 6 to 8 ft. Bar conditions moderate. Maximum ebb
currents will occur around 900 PM this evening and 900 AM Saturday.

$$

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