Coastal Waters Forecast
Issued by NWS Seattle/Tacoma, WA

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312
FZUS56 KSEW 181752
CWFSEW

Coastal Waters Forecast for Washington
National Weather Service Seattle WA
923 AM PST Mon Dec 18 2017

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

PZZ100-190230-
923 AM PST Mon Dec 18 2017

.Synopsis for the northern and central Washington coastal and
inland waters...A front stalled over Western Washington will shift
slightly south through the day. The next stronger frontal system
will move through the area tonight and Tuesday. An associated
deepening 995 mb surface low will track northeastward, likely to the
north of Puget Sound. Gales are possible for some coastal waters and
possibly Puget Sound Tuesday. Onshore flow Wednesday becomes
offshore by Thursday and Friday.

$$

PZZ150-190230-
Coastal Waters From Cape Flattery To James Island Out 10 Nm-
923 AM PST Mon Dec 18 2017

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

.TODAY...NW wind 5 to 15 kt becoming W to 10 kt in the afternoon.
Wind waves 1 to 2 ft. W swell 9 ft at 11 seconds. A slight chance
of rain in the morning then a chance of rain in the afternoon.
.TONIGHT...E wind to 10 kt rising to 15 to 25 kt after midnight.
Wind waves 1 to 2 ft building to 3 to 5 ft after midnight. W
swell 8 ft at 14 seconds. Rain.
.TUE...Northeast wind 15 to 25 kt becoming W by midday. Wind waves 3
to 5 ft. W swell 9 ft at 14 seconds building to 11 ft at
14 seconds in the afternoon. Rain in the morning then rain likely
in the afternoon.
.TUE NIGHT...W wind 15 to 25 kt becoming N 5 to 15 kt after
midnight. Wind waves 2 to 4 ft subsiding to 1 to 2 ft after
midnight. W swell 12 ft at 12 seconds.
.WED...NE wind 5 to 15 kt. Wind waves 1 to 3 ft. W swell 11 ft at
12 seconds.
.WED NIGHT...E wind to 10 kt. Wind waves 1 to 2 ft. W swell 10 ft
at 11 seconds.
.THU...SE wind to 10 kt becoming SW. Wind waves 1 ft. W swell
6 ft.
.FRI...NE wind 5 to 15 kt. Wind waves 1 to 3 ft. W swell 6 ft.

$$

PZZ153-190230-
Coastal Waters From James Island To Point Grenville Out 10 Nm-
923 AM PST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...

.TODAY...NW wind 5 to 15 kt. Wind waves 2 ft or less. W swell 9 ft
at 11 seconds. A chance of rain.
.TONIGHT...E wind to 10 kt becoming SE 20 to 30 kt after
midnight. Wind waves 2 ft or less building to 4 to 7 ft after
midnight. W swell 8 ft at 15 seconds. Rain.
.TUE...S wind 25 to 35 kt becoming SW in the afternoon. Combined
seas 11 to 14 ft with a dominant period of 15 seconds. Rain in the
morning then rain likely in the afternoon.
.TUE NIGHT...W wind 15 to 25 kt becoming NW 10 to 20 kt after
midnight. Wind waves 3 to 5 ft subsiding to 1 to 3 ft after
midnight. W swell 13 ft at 12 seconds.
.WED...N wind 5 to 15 kt becoming to 10 kt in the afternoon. Wind
waves 1 to 2 ft. W swell 12 ft at 12 seconds.
.WED NIGHT...NE wind to 10 kt becoming E after midnight. Wind
waves 1 ft or less. W swell 10 ft at 12 seconds.
.THU...SE wind to 10 kt becoming SW. Wind waves 1 ft or less. W
swell 6 ft.
.FRI...N wind to 10 kt becoming NE 5 to 15 kt. Wind waves 2 ft or
less. W swell 6 ft.

$$

PZZ156-190230-
Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm-
923 AM PST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...

.TODAY...Northeast wind 10 to 15 kt. Wind waves 1 to 2 ft. W swell 9
ft at 11 seconds. A chance of rain.
.TONIGHT...E wind rising to 15 to 25 kt becoming S 25 to 35 kt late.
Wind waves building to 4 to 7 ft. W swell 7 ft at 15 seconds. Rain.
.TUE...S wind 25 to 35 kt becoming SW in the afternoon 10 to 20 kt.
Combined seas 12 to 15 ft with a dominant period of 14 seconds.
Rain.
.TUE NIGHT...W wind 15 to 25 kt. Wind waves 3 to 5 ft. W swell
13 ft at 11 seconds.
.WED...N wind 5 to 15 kt becoming to 10 kt in the afternoon. Wind
waves 1 to 2 ft. W swell 13 ft at 11 seconds.
.WED NIGHT...Light wind becoming E to 10 kt after midnight. Wind
waves 1 ft. W swell 11 ft at 12 seconds.
.THU...E wind to 10 kt becoming NE. Wind waves 1 ft. W swell
6 ft.
.FRI...N wind to 10 kt becoming NE 5 to 15 kt. Wind waves 1 to
2 ft. W swell 6 ft.

$$

PZZ170-190230-
Coastal Waters From Cape Flattery To James Island 10 To 60 Nm-
923 AM PST Mon Dec 18 2017

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

.TODAY...NW wind 5 to 15 kt becoming to 10 kt in the afternoon.
Wind waves 1 to 2 ft. W swell 9 ft at 11 seconds. A slight chance
of rain in the morning then a chance of rain in the afternoon.
.TONIGHT...E wind to 10 kt rising to 15 to 25 kt. Wind waves 1 ft
building to 3 to 5 ft after midnight. W swell 9 ft at 15 seconds.
Rain.
.TUE...E wind 15 to 25 kt becoming NW 10 to 20 kt in the afternoon.
Wind waves 3 to 5 ft subsiding to 1 to 3 ft. W swell 10 ft at 14
seconds. Rain in the morning then a chance of rain in the afternoon.
.TUE NIGHT...NW wind 15 to 25 kt after midnight. Wind waves 3 to 5
ft. W swell 15 ft at 11 seconds.
.WED...N wind 15 to 20 kt becoming NE 5 to 15 kt in the
afternoon. Wind waves 1 to 3 ft. W swell 15 ft at 12 seconds
subsiding to 13 ft at 12 seconds in the afternoon.
.WED NIGHT...E wind to 10 kt. Wind waves 1 ft. W swell 11 ft at
11 seconds.
.THU...SE wind to 10 kt becoming W. Wind waves 1 to 2 ft. NW
swell 7 ft.
.FRI...N wind 5 to 15 kt becoming NE 10 to 20 kt. Wind waves 1 to
3 ft. W swell 7 ft.

$$

PZZ173-190230-
Coastal Waters From James Island To Point Grenville 10 To 60 Nm-
923 AM PST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...

.TODAY...NW wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 8 ft at
11 seconds. A slight chance
of rain in the morning then a chance of rain in the afternoon.
.TONIGHT...E wind 5 to 15 kt becoming SE 25 to 35 kt after
midnight. Wind waves 1 to 2 ft building to 4 to 7 ft after
midnight. W swell 9 ft at 15 seconds. Rain.
.TUE...SW wind 25 to 35 kt becoming W 20 to 30 kt in the afternoon.
Combined seas 11 to 14 ft with a dominant period of
14 seconds. Rain in the morning then a chance of rain in the
afternoon.
.TUE NIGHT...NW wind 20 to 30 kt becoming 20 to 30 kt after
midnight. Wind waves 4 to 7 ft. W swell 15 ft at 11 seconds.
.WED...N 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 14 ft at 12 seconds.
.WED NIGHT...NE wind to 10 kt becoming E after midnight. Wind
waves 1 ft. NW swell 11 ft at 11 seconds.
.THU...SE wind to 10 kt becoming W. Wind waves 1 to 2 ft. NW
swell 7 ft.
.FRI...N wind 5 to 15 kt becoming NE 10 to 20 kt. Wind waves 1 to
3 ft. W swell 6 ft.

$$

PZZ176-190230-
Coastal Waters From Point Grenville To Cape Shoalwater 10 To
60 Nm-
923 AM PST Mon Dec 18 2017

...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING...

.TODAY...NW wind to 10 kt. Wind waves 1 ft. W swell 8 ft at 11
seconds. A chance of rain in the morning then rain likely in the
afternoon.
.TONIGHT...E wind 5 to 15 kt becoming S 25 to 35 kt after
midnight. Combined seas 2 ft or less building to 4 to 7 ft with a
dominant period of 15 seconds building to 10 to 12 ft with a
dominant period of 15 seconds after midnight. Rain.
.TUE...SW wind 25 to 35 kt easing in the afternoon. Combined seas 13
to 15 ft with a dominant period of 14 seconds. Rain in the morning
then rain likely in the afternoon.
.TUE NIGHT...NW wind 20 to 30 kt. Wind waves 5 to 7 ft. W swell
15 ft at 10 seconds.
.WED...N 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 15 ft at 11 seconds.
.WED NIGHT...N wind to 10 kt becoming E after midnight. Wind
waves 1 ft. NW swell 12 ft at 11 seconds.
.THU...SE wind to 10 kt becoming W 5 to 15 kt. Wind waves 1 to
2 ft. NW swell 7 ft.
.FRI...NE wind 5 to 15 kt. Wind waves 1 to 3 ft. W swell 6 ft.

$$

PZZ130-190230-
West Entrance U.S. Waters Strait Of Juan De Fuca-
923 AM PST Mon Dec 18 2017

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

.TODAY...W wind 5 to 15 kt becoming to 10 kt in the afternoon.
Wind waves 2 ft or less. W swell 8 ft at 11 seconds. A slight
chance of rain.
.TONIGHT...E wind to 10 kt rising to 15 to 25 kt after midnight.
Wind waves 1 ft or less building to 2 to 4 ft after midnight. W
swell 7 ft at 14 seconds. Rain.
.TUE...E wind 15 to 25 kt becoming w 10 to 20 kt. Wind waves 3 to 5
ft subsiding to 1 to 3 ft. W swell 8 ft at 14 seconds. Rain.
.TUE NIGHT...W wind 15 to 20 kt becoming N 5 to 15 kt after
midnight. Wind waves 1 to 3 ft. W swell 9 ft at 12 seconds.
.WED...NE wind 5 to 15 kt. Wind waves 1 to 2 ft. W swell 9 ft at
12 seconds.
.WED NIGHT...E wind to 10 kt. Wind waves 1 ft or less. W swell
8 ft at 12 seconds.
.THU...Light wind. Wind waves less than 1 ft. W swell 6 ft.
.FRI...Light wind becoming NE to 10 kt. Wind waves 1. W swell 6 ft.
ft or less.

$$

PZZ131-190230-
Central U.S. Waters Strait Of Juan De Fuca-
923 AM PST Mon Dec 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH
TUESDAY MORNING...

.TODAY...W wind 15 to 25 kt. Wind waves 2 to 4 ft. A slight chance
of rain in the morning then a chance of rain in the afternoon.
.TONIGHT...E wind to 10 kt rising to 15 to 25 kt after midnight.
Wind waves 1 ft or less building to 2 to 4 ft after midnight.
Rain.
.TUE...E wind 15 to 25 kt becoming S in the afternoon. Wind waves
2 to 4 ft. Rain.
.TUE NIGHT...W wind 15 to 25 kt becoming NW to 10 kt after
midnight. Wind waves 2 to 4 ft subsiding to 1 ft or less after
midnight.
.WED...N wind 5 to 15 kt. Wind waves 2 ft or less.
.WED NIGHT...NE wind to 10 kt. Wind waves 1 ft or less.
.THU...Light wind. Wind waves less than 1 ft.
.FRI...NE wind to 10 kt. Wind waves 1 ft or less.

$$

PZZ132-190230-
East Entrance U.S. Waters Strait Of Juan De Fuca-
923 AM PST Mon Dec 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

.TODAY...W wind 15 to 25 kt. Wind waves 2 to 4 ft. A chance of
rain.
.TONIGHT...SE wind to 10 kt becoming E 10 to 20 kt after
midnight. Wind waves 1 ft or less building to 1 to 3 ft after
midnight. Rain.
.TUE...SE wind 20 to 30 kt. Wind waves 3 to 5 ft. Rain in the
morning then rain likely in the afternoon.
.TUE NIGHT...W wind 15 to 25 kt becoming NW to 10 kt after
midnight. Wind waves 2 to 4 ft subsiding to 1 ft or less after
midnight.
.WED...N wind 10 to 20 kt becoming 5 to 15 kt in the afternoon.
Wind waves 1 to 3 ft.
.WED NIGHT...NE wind to 10 kt. Wind waves 1 ft or less.
.THU...Light wind. Wind waves less than 1 ft.
.FRI...N wind to 10 kt. Wind waves 1 ft or less.

$$

PZZ134-190230-
Admiralty Inlet-
923 AM PST Mon Dec 18 2017

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

.TODAY...NW wind 15 to 25 kt. Wind waves 2 to 4 ft. A chance of
rain in the morning then rain likely in the afternoon.
.TONIGHT...Variable wind to 10 kt. Wind waves 1 ft or less. Rain.
.TUE...SE wind 15 to 25 kt. Wind waves 2 to 4 ft. Rain likely in the
morning then rain in the afternoon.
.TUE NIGHT...Variable wind 5 to 15 kt becoming to 10 kt after
midnight. Wind waves 2 ft or less.
.WED...N wind 5 to 15 kt. Wind waves 2 ft or less.
.WED NIGHT...N wind to 10 kt in the evening becoming light. Wind
waves 1 ft or less.
.THU...Light wind. Wind waves less than 1 ft.
.FRI...Light wind. Wind waves less than 1 ft.

$$

PZZ133-190230-
Northern Inland Waters Including The San Juan Islands-
923 AM PST Mon Dec 18 2017

.TODAY...W wind to 10 kt. Wind waves 1 ft or less. A chance of
rain in the morning. A slight chance of rain in the afternoon.
.TONIGHT...Light wind becoming E 10 to 20 kt after midnight. Wind
waves less than 1 ft becoming 1 to 3 ft after midnight. Rain.
.TUE...SE wind rising to 20 to 30 kt. Wind waves building to 3 to 5
ft. Rain.
.TUE NIGHT...W wind 5 to 15 kt becoming NW to 10 kt after
midnight. Wind waves 2 ft or less.
.WED...N wind 5 to 15 kt. Wind waves 2 ft or less.
.WED NIGHT...N wind to 10 kt in the evening becoming light. Wind
waves 1 ft or less.
.THU...Light wind. Wind waves less than 1 ft.
.FRI...N wind 5 to 15 kt. Wind waves 2 ft or less.

$$

PZZ135-190230-
Puget Sound and Hood Canal-
923 AM PST Mon Dec 18 2017

.TODAY...SW wind 10 to 20 kt except N wind N of Tacoma. Wind waves 1
to 3 ft. Rain likely.
.TONIGHT...Variable wind to 10 kt becoming S 10 to 15 kt. Wind
waves 2 ft or less. Rain.
.TUE...S wind 15 to 25 kt rising to 20 to 30 kt in the afternoon.
Wind waves 2 to 5 ft. Rain.
.TUE NIGHT...SW wind 5 to 15 kt. Wind waves 2 ft or less.
.WED...NW wind to 10 kt becoming N in the afternoon. Wind waves
2 ft or less.
.WED NIGHT...N wind to 10 kt in the evening becoming light. Wind
waves 1 ft or less.
.THU...Light wind. Wind waves less than 1 ft.
.FRI...Light wind. Wind waves less than 1 ft.

$$

PZZ110-190230-
Grays Harbor Bar-
923 AM PST Mon Dec 18 2017

Combined seas 7 to 9 ft. Bar conditions moderate. Maximum ebb
currents will occur around 430 PM today and 500 am Tuesday. The
afternoon ebb will be strong.

$$

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