311
FZUS56 KSEW 181205
CWFSEW
COASTAL WATERS FORECAST FOR WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
505 AM PDT MON MAY 18 2026
INLAND WATERS OF WESTERN WASHINGTON AND THE NORTHERN AND CENTRAL
WASHINGTON COASTAL WATERS INCLUDING THE OLYMPIC COAST NATIONAL
MARINE SANCTUARY
PZZ100-190115-
505 AM PDT MON MAY 18 2026
.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND INLAND
WATERS...HIGH PRESSURE WILL REMAIN OFFSHORE THROUGHOUT THE WEEK.
A WEAK, SPLITTING FRONTAL SYSTEM WILL MOVE INTO THE WATERS TONIGHT
INTO TUESDAY. HIGH PRESSURE WILL THEN BUILD BACK INTO THE WATERS
AROUND MIDWEEK BEFORE ANOTHER WEAK FRONTAL SYSTEM MOVES INTO THE
AREA THURSDAY INTO FRIDAY. ONSHORE FLOW WILL PERSIST OVER THE NEXT
SEVERAL DAYS, WITH DAILY WESTERLY PUSHES EXPECTED ALONG THE
STRAIT OF JUAN DE FUCA.
PZZ150-190115-
COASTAL WATERS FROM CAPE FLATTERY TO JAMES ISLAND OUT 10 NM-
505 AM PDT MON MAY 18 2026
TODAY
NW WIND 10 TO 15 KT. SEAS 6 TO 7 FT, BUILDING TO 8 FT
THIS AFTERNOON. WAVE DETAIL: W 8 FT AT 15 SECONDS.
TONIGHT
W WIND 5 TO 10 KT. SEAS 7 TO 8 FT. WAVE DETAIL: W 8 FT
AT 15 SECONDS.
TUE
W WIND 5 TO 10 KT. SEAS 6 TO 7 FT. WAVE DETAIL: W 7 FT AT
13 SECONDS.
TUE NIGHT
NW WIND 10 TO 15 KT, EASING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 6 TO 8 FT. WAVE DETAIL: W 7 FT AT 12 SECONDS.
WED
NW WIND 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT AT
9 SECONDS.
WED NIGHT
NW WIND 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W 7
FT AT 11 SECONDS.
THU
NW WIND 5 TO 10 KT. SEAS 5 TO 6 FT. WAVE DETAIL: W 6 FT AT
8 SECONDS.
THU NIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 8 FT. WAVE DETAIL: W
8 FT AT 10 SECONDS.
FRI
NW WIND 5 TO 10 KT. SEAS 6 TO 8 FT. WAVE DETAIL: W 8 FT AT
10 SECONDS.
FRI NIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W
7 FT AT 10 SECONDS.
PZZ153-190115-
COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE OUT 10 NM-
505 AM PDT MON MAY 18 2026
TODAY
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT, BUILDING TO 7 TO
8 FT THIS AFTERNOON. WAVE DETAIL: W 8 FT AT 16 SECONDS.
TONIGHT
NW WIND 10 TO 15 KT, EASING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 6 TO 8 FT. WAVE DETAIL: W 7 FT AT 15 SECONDS.
TUE
NW WIND 5 TO 10 KT. SEAS 6 TO 7 FT. WAVE DETAIL: W 7 FT AT
13 SECONDS.
TUE NIGHT
NW WIND 10 TO 15 KT. SEAS 6 TO 7 FT. WAVE DETAIL: W
7 FT AT 12 SECONDS.
WED
NW WIND 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT AT
10 SECONDS.
WED NIGHT
NW WIND 10 TO 15 KT, EASING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT AT 9 SECONDS.
THU
NW WIND 5 TO 10 KT, RISING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 6 FT. WAVE DETAIL: W 6 FT AT 10 SECONDS.
THU NIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 8 FT. WAVE DETAIL: NW
8 FT AT 9 SECONDS.
FRI
NW WIND 10 TO 15 KT, EASING TO 5 TO 10 KT IN THE AFTERNOON.
SEAS 5 TO 8 FT. WAVE DETAIL: W 8 FT AT 10 SECONDS.
FRI NIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W
7 FT AT 9 SECONDS.
PZZ156-190115-
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER OUT 10 NM-
505 AM PDT MON MAY 18 2026
TODAY
NW WIND 10 TO 15 KT. SEAS 6 TO 8 FT. WAVE DETAIL: NW 8
FT AT 11 SECONDS.
TONIGHT
NW WIND 10 TO 15 KT. SEAS 7 TO 8 FT. WAVE DETAIL: W 8
FT AT 14 SECONDS.
TUE
NW WIND 5 TO 10 KT, RISING TO 10 TO 15 KT IN THE AFTERNOON.
SEAS 6 TO 7 FT. WAVE DETAIL: W 7 FT AT 13 SECONDS.
TUE NIGHT
NW WIND AROUND 15 KT. SEAS 7 TO 8 FT. WAVE DETAIL: W
8 FT AT 12 SECONDS.
WED
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT
AT 11 SECONDS.
WED NIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 8 FT. WAVE DETAIL: NW
8 FT AT 9 SECONDS.
THU
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW 7 FT
AT 9 SECONDS.
THU NIGHT
NW WIND 15 TO 20 KT. SEAS 6 TO 8 FT. WAVE DETAIL: NW
8 FT AT 8 SECONDS.
FRI
NW WIND 15 TO 20 KT, EASING TO 10 TO 15 KT IN THE AFTERNOON.
SEAS 5 TO 8 FT. WAVE DETAIL: NW 8 FT AT 10 SECONDS.
FRI NIGHT
NW WIND AROUND 15 KT. SEAS 5 TO 6 FT, BUILDING TO
6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: NW 8 FT AT 10 SECONDS.
PZZ170-190115-
COASTAL WATERS FROM CAPE FLATTERY TO JAMES ISLAND 10 TO 60 NM-
505 AM PDT MON MAY 18 2026
TODAY
W WIND 10 TO 15 KT. SEAS 6 TO 7 FT, BUILDING TO 8 FT
THIS AFTERNOON. WAVE DETAIL: W 8 FT AT 15 SECONDS.
TONIGHT
W WIND 5 TO 10 KT. SEAS 7 TO 8 FT. WAVE DETAIL: W 8 FT
AT 14 SECONDS.
TUE
NW WIND 5 TO 10 KT, RISING TO 10 TO 15 KT IN THE AFTERNOON.
SEAS 7 TO 8 FT. WAVE DETAIL: W 8 FT AT 12 SECONDS.
TUE NIGHT
NW WIND 10 TO 15 KT, RISING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 8 FT. WAVE DETAIL: W 8 FT AT 12 SECONDS.
WED
NW WIND 15 TO 20 KT, EASING TO 10 TO 15 KT IN THE AFTERNOON.
SEAS 6 TO 8 FT. WAVE DETAIL: W 8 FT AT 9 SECONDS.
WED NIGHT
NW WIND 15 TO 20 KT. SEAS 6 TO 8 FT. WAVE DETAIL: NW
8 FT AT 7 SECONDS.
THU
NW WIND 15 TO 20 KT. SEAS 6 TO 8 FT. WAVE DETAIL: NW 7 FT
AT 7 SECONDS.
THU NIGHT
NW WIND 15 TO 20 KT, RISING TO 20 TO 25 KT AFTER
MIDNIGHT. SEAS 7 TO 9 FT. WAVE DETAIL: NW 9 FT AT 10 SECONDS.
FRI
NW WIND 15 TO 20 KT. SEAS AROUND 8 FT, SUBSIDING TO 6 TO
9 FT IN THE AFTERNOON. WAVE DETAIL: NW 8 FT AT 10 SECONDS.
FRI NIGHT
NW WIND 20 TO 25 KT. SEAS 7 TO 10 FT. WAVE DETAIL:
NW 10 FT AT 9 SECONDS.
PZZ173-190115-
COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE 10 TO 60 NM-
505 AM PDT MON MAY 18 2026
TODAY
NW WIND 10 TO 15 KT. SEAS 6 TO 7 FT, BUILDING TO 8 FT
THIS AFTERNOON. WAVE DETAIL: W 7 FT AT 15 SECONDS.
TONIGHT
W WIND 5 TO 10 KT. SEAS 7 TO 8 FT. WAVE DETAIL: W 8 FT
AT 15 SECONDS.
TUE
NW WIND 5 TO 10 KT, RISING TO 10 TO 15 KT IN THE AFTERNOON.
SEAS 7 TO 8 FT. WAVE DETAIL: W 7 FT AT 13 SECONDS.
TUE NIGHT
NW WIND 15 TO 20 KT. SEAS 7 TO 8 FT. WAVE DETAIL: W
8 FT AT 12 SECONDS.
WED
NW WIND 15 TO 20 KT. SEAS 7 TO 8 FT. WAVE DETAIL: NW 8 FT
AT 9 SECONDS.
WED NIGHT
NW WIND 15 TO 20 KT. SEAS 6 TO 9 FT. WAVE DETAIL: NW
8 FT AT 9 SECONDS.
THU
NW WIND 15 TO 20 KT. SEAS 7 TO 8 FT. WAVE DETAIL: NW 7 FT
AT 9 SECONDS.
THU NIGHT
NW WIND 15 TO 20 KT. SEAS 7 TO 9 FT. WAVE DETAIL: NW
9 FT AT 9 SECONDS.
FRI
NW WIND 15 TO 20 KT. SEAS 7 TO 9 FT. WAVE DETAIL: NW 9 FT
AT 10 SECONDS.
FRI NIGHT
NW WIND 20 TO 25 KT. SEAS 6 TO 9 FT. WAVE DETAIL: NW
9 FT AT 9 SECONDS.
PZZ176-190115-
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER 10 TO
60 NM-
505 AM PDT MON MAY 18 2026
TODAY
NW WIND 10 TO 15 KT. SEAS 6 TO 7 FT, BUILDING TO 8 FT
THIS AFTERNOON. WAVE DETAIL: W 8 FT AT 15 SECONDS.
TONIGHT
NW WIND 10 TO 15 KT, EASING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 8 FT. WAVE DETAIL: W 8 FT AT 15 SECONDS.
TUE
NW WIND 5 TO 10 KT, RISING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 7 TO 8 FT. WAVE DETAIL: W 8 FT AT 13 SECONDS.
TUE NIGHT
NW WIND 15 TO 20 KT. SEAS 7 TO 8 FT. WAVE DETAIL: W
7 FT AT 12 SECONDS.
WED
NW WIND 15 TO 20 KT, EASING TO 10 TO 15 KT IN THE AFTERNOON.
SEAS 7 TO 8 FT. WAVE DETAIL: W 7 FT AT 11 SECONDS.
WED NIGHT
NW WIND 15 TO 20 KT. SEAS 6 TO 9 FT, BUILDING TO
8 FT AFTER MIDNIGHT. WAVE DETAIL: NW 8 FT AT 10 SECONDS.
THU
NW WIND 15 TO 20 KT, EASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 7 TO 9 FT. WAVE DETAIL: NW 7 FT AT 10 SECONDS.
THU NIGHT
NW WIND 15 TO 20 KT. SEAS 7 TO 9 FT. WAVE DETAIL: NW
9 FT AT 10 SECONDS.
FRI
NW WIND 15 TO 20 KT. SEAS 7 TO 9 FT. WAVE DETAIL: NW 9 FT
AT 9 SECONDS.
FRI NIGHT
NW WIND 15 TO 20 KT. SEAS 6 TO 9 FT. WAVE DETAIL: NW
9 FT AT 9 SECONDS.
PZZ130-190115-
WEST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-
505 AM PDT MON MAY 18 2026
TODAY
W WIND 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT
AT 14 SECONDS.
TONIGHT
W WIND 10 TO 15 KT, EASING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: W 7 FT AT 13 SECONDS.
TUE
W WIND AROUND 5 KT, RISING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT AT 12 SECONDS.
TUE NIGHT
W WIND 10 TO 15 KT, EASING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT AT 12 SECONDS.
WED
SE WIND AROUND 5 KT, BACKING TO NW AROUND 5 KT IN THE
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT AT 11 SECONDS.
WED NIGHT
W WIND AROUND 10 KT, EASING TO AROUND 5 KT AFTER
MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT AT 11 SECONDS.
THU
W WIND 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT AT
8 SECONDS.
THU NIGHT
W WIND 10 TO 15 KT, EASING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT AT 10 SECONDS.
FRI
W WIND 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT AT
10 SECONDS.
FRI NIGHT
W WIND 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W
6 FT AT 10 SECONDS.
PZZ131-190115-
CENTRAL U.S. WATERS STRAIT OF JUAN DE FUCA-
505 AM PDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM PDT THIS AFTERNOON
THROUGH LATE TONIGHT...
TODAY
W WIND 20 TO 25 KT, EASING TO 10 TO 15 KT THIS MORNING,
THEN RISING TO 20 TO 25 KT THIS AFTERNOON. WAVES 3 TO 6 FT.
TONIGHT
W WIND 20 TO 25 KT. WAVES 3 TO 5 FT.
TUE
W WIND 10 TO 15 KT, RISING TO 15 TO 20 KT IN THE
AFTERNOON. WAVES 3 TO 4 FT.
TUE NIGHT
W WIND 15 TO 20 KT, EASING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 3 TO 4 FT.
WED
W WIND 5 TO 10 KT, VEERING TO NE IN THE AFTERNOON. WAVES
AROUND 2 FT OR LESS.
WED NIGHT
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
THU
NW WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
THU NIGHT
W WIND 15 TO 20 KT. WAVES 3 TO 4 FT.
FRI
NW WIND 5 TO 10 KT. WAVES AROUND 2 FT.
FRI NIGHT
W WIND 15 TO 20 KT, EASING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 3 TO 4 FT.
PZZ132-190115-
EAST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-
505 AM PDT MON MAY 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM PDT THIS MORNING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM PDT THIS AFTERNOON
THROUGH LATE TONIGHT...
TODAY
W WIND 20 TO 25 KT, EASING TO 10 TO 15 KT THIS MORNING,
THEN RISING TO 20 TO 25 KT THIS AFTERNOON. WAVES 3 TO 6 FT.
TONIGHT
W WIND 20 TO 25 KT. WAVES 3 TO 5 FT.
TUE
SW WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
TUE NIGHT
W WIND 10 TO 15 KT. WAVES AROUND 3 FT.
WED
NW WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
WED NIGHT
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
THU
NW WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
THU NIGHT
W WIND 10 TO 15 KT. WAVES AROUND 3 FT.
FRI
W WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
FRI NIGHT
W WIND 5 TO 10 KT, RISING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT OR LESS, THEN 3 FT AFTER MIDNIGHT.
PZZ134-190115-
ADMIRALTY INLET-
505 AM PDT MON MAY 18 2026
TODAY
SW WIND AROUND 5 KT, VEERING TO NW THIS AFTERNOON. WAVES
AROUND 2 FT OR LESS.
TONIGHT
NW WIND 10 TO 15 KT, BECOMING SW 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 TO 3 FT.
TUE
S WIND AROUND 5 KT, VEERING TO NW AROUND 5 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
TUE NIGHT
NW WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
WED
W WIND AROUND 5 KT, VEERING TO NW IN THE AFTERNOON. WAVES
AROUND 2 FT OR LESS.
WED NIGHT
NW WIND 5 TO 10 KT, EASING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT OR LESS.
THU
W WIND AROUND 5 KT, VEERING TO NW IN THE AFTERNOON. WAVES
AROUND 2 FT OR LESS.
THU NIGHT
NW WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
FRI
SW WIND AROUND 5 KT, VEERING TO NW IN THE AFTERNOON. WAVES
AROUND 2 FT OR LESS.
FRI NIGHT
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
PZZ133-190115-
NORTHERN INLAND WATERS INCLUDING THE SAN JUAN ISLANDS-
505 AM PDT MON MAY 18 2026
TODAY
SW WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
TONIGHT
S WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
TUE
S WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
TUE NIGHT
SW WIND 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. WAVES
AROUND 2 FT OR LESS.
WED
NW WIND AROUND 5 KT, RISING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
WED NIGHT
W WIND AROUND 5 KT, BACKING TO S AFTER MIDNIGHT.
WAVES AROUND 2 FT OR LESS.
THU
LIGHT AND VARIABLE WINDS, BECOMING W AROUND 5 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
THU NIGHT
SW WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
FRI
W WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
FRI NIGHT
SW WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
PZZ135-190115-
PUGET SOUND AND HOOD CANAL-
505 AM PDT MON MAY 18 2026
TODAY
S WIND AROUND 5 KT, BACKING TO N EARLY THIS AFTERNOON,
RISING TO 5 TO 10 KT LATE. WAVES AROUND 2 FT OR LESS.
TONIGHT
N WIND 5 TO 10 KT, BECOMING S AFTER MIDNIGHT. WAVES
AROUND 2 FT OR LESS.
TUE
S WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
TUE NIGHT
NW WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
WED
LIGHT AND VARIABLE WINDS, BECOMING N 5 TO 10 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
WED NIGHT
N WIND 5 TO 10 KT, EASING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT OR LESS.
THU
LIGHT AND VARIABLE WINDS, BECOMING N AROUND 5 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
THU NIGHT
N WIND 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. WAVES
AROUND 2 FT OR LESS.
FRI
SW WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
FRI NIGHT
NW WIND 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.
WAVES AROUND 2 FT OR LESS.
PZZ110-190115-
GRAYS HARBOR BAR-
505 AM PDT MON MAY 18 2026
COMBINED SEAS 4 TO 6 FEET, BECOMING 5 TO 7 FEET BY THIS AFTERNOON.
BAR CONDITIONS LIGHT, BECOMING MODERATE. MAXIMUM EBB CURRENTS
WILL OCCUR AROUND 600 AM MONDAY, AND 645 PM MONDAY, AND 700 AM
TUESDAY. THE MONDAY AND TUESDAY MORNING EBBS WILL BE VERY STRONG.
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