970
FZUS56 KSEW 170845
CWFSEW
COASTAL WATERS FORECAST FOR WASHINGTON
NATIONAL WEATHER SERVICE SEATTLE WA
145 AM PDT THU SEP 17 2026
INLAND WATERS OF WESTERN WASHINGTON AND THE NORTHERN AND CENTRAL
WASHINGTON COASTAL WATERS INCLUDING THE OLYMPIC COAST NATIONAL
MARINE SANCTUARY
PZZ100-172145-
145 AM PDT THU SEP 17 2026
.SYNOPSIS FOR THE NORTHERN AND CENTRAL WASHINGTON COASTAL AND
INLAND WATERS...THERMALLY INDUCED LOW PRESSURE EXPANDING
NORTHWARD ALONG THE COAST WILL SHIFT INLAND TONIGHT WITH FLOW
TURNING ONSHORE. LIGHT ONSHORE FLOW WILL THEN PERSIST FRIDAY INTO
EARLY NEXT WEEK AS A SERIES OF SYSTEMS PASS WELL NORTH OF THE
AREA.
PZZ150-172145-
COASTAL WATERS FROM CAPE FLATTERY TO JAMES ISLAND OUT 10 NM-
145 AM PDT THU SEP 17 2026
TODAY
N WIND AROUND 5 KT, BACKING TO NW LATE. SEAS 4 TO 5 FT.
WAVE DETAIL: W 5 FT AT 8 SECONDS.
TONIGHT
W WIND 5 TO 10 KT, BACKING TO S AFTER MIDNIGHT. SEAS
4 TO 5 FT. WAVE DETAIL: W 5 FT AT 8 SECONDS.
FRI
S WIND 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: W 5 FT AT
8 SECONDS.
FRI NIGHT
S WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W
4 FT AT 8 SECONDS.
SAT
W WIND AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT
7 SECONDS.
SAT NIGHT
NW WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W
3 FT AT 6 SECONDS.
SUN
NW WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT
9 SECONDS.
SUN NIGHT
NW WIND 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W
4 FT AT 9 SECONDS AND SW 2 FT AT 17 SECONDS.
MON
NW WIND 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: W 5 FT AT
11 SECONDS AND SW 2 FT AT 18 SECONDS.
MON NIGHT
NW WIND 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: W
6 FT AT 11 SECONDS AND SW 2 FT AT 18 SECONDS.
PZZ153-172145-
COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE OUT 10 NM-
145 AM PDT THU SEP 17 2026
TODAY
N WIND AROUND 5 KT, BACKING TO NW THIS AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: W 5 FT AT 8 SECONDS.
TONIGHT
NW WIND 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
3 TO 5 FT. WAVE DETAIL: W 5 FT AT 8 SECONDS.
FRI
S WIND 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: W 5 FT AT
8 SECONDS.
FRI NIGHT
SW WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W
4 FT AT 7 SECONDS.
SAT
NW WIND AROUND 5 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT
AT 7 SECONDS.
SAT NIGHT
NW WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW
4 FT AT 6 SECONDS.
SUN
N WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW 4 FT AT
6 SECONDS.
SUN NIGHT
NW WIND 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: NW 5 FT AT 8 SECONDS AND
SW 2 FT AT 18 SECONDS.
MON
NW WIND 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W 5 FT AT
12 SECONDS AND SW 2 FT AT 18 SECONDS.
MON NIGHT
NW WIND 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW
6 FT AT 10 SECONDS AND SW 2 FT AT 18 SECONDS.
PZZ156-172145-
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER OUT 10 NM-
145 AM PDT THU SEP 17 2026
TODAY
N WIND AROUND 5 KT, BACKING TO NW THIS AFTERNOON. SEAS
4 TO 5 FT. WAVE DETAIL: NW 5 FT AT 8 SECONDS.
TONIGHT
NW WIND 5 TO 10 KT, BACKING TO W AFTER MIDNIGHT. SEAS
4 TO 6 FT. WAVE DETAIL: NW 5 FT AT 8 SECONDS.
FRI
S WIND 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NW 5 FT AT
8 SECONDS.
FRI NIGHT
SW WIND 5 TO 10 KT, VEERING TO NW AFTER MIDNIGHT.
SEAS 3 TO 5 FT. WAVE DETAIL: W 4 FT AT 8 SECONDS.
SAT
NW WIND 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW 4 FT
AT 7 SECONDS.
SAT NIGHT
NW WIND 10 TO 15 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW
5 FT AT 6 SECONDS.
SUN
N WIND 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NW 5 FT
AT 6 SECONDS.
SUN NIGHT
NW WIND 15 TO 20 KT, BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: NW 6 FT AT 6 SECONDS AND
SW 2 FT AT 18 SECONDS.
MON
N WIND 5 TO 10 KT, BECOMING NW 10 TO 15 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: NW 5 FT AT 11 SECONDS AND
SW 2 FT AT 18 SECONDS.
MON NIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 8 FT. WAVE DETAIL: N
7 FT AT 10 SECONDS AND SW 2 FT AT 18 SECONDS.
PZZ170-172145-
COASTAL WATERS FROM CAPE FLATTERY TO JAMES ISLAND 10 TO 60 NM-
145 AM PDT THU SEP 17 2026
TODAY
N WIND 5 TO 10 KT, BECOMING NW 10 TO 15 KT LATE. SEAS
4 TO 6 FT. WAVE DETAIL: NW 6 FT AT 8 SECONDS.
TONIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW
7 FT AT 8 SECONDS.
FRI
SW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW 6 FT
AT 8 SECONDS AND S 2 FT AT 17 SECONDS.
FRI NIGHT
W WIND 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W
5 FT AT 8 SECONDS AND S 2 FT AT 17 SECONDS.
SAT
NW WIND 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW 4 FT
AT 6 SECONDS AND S 2 FT AT 16 SECONDS.
SAT NIGHT
NW WIND 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: NW
4 FT AT 5 SECONDS AND S 2 FT AT 16 SECONDS.
SUN
NW WIND 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NW 4 FT
AT 9 SECONDS AND SW 2 FT AT 16 SECONDS.
SUN NIGHT
NW WIND 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NW
5 FT AT 8 SECONDS AND SW 2 FT AT 16 SECONDS.
MON
NW WIND 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW 6 FT
AT 11 SECONDS AND SW 2 FT AT 17 SECONDS.
MON NIGHT
NW WIND 10 TO 15 KT. SEAS 6 TO 8 FT. WAVE DETAIL: NW
7 FT AT 10 SECONDS AND SW 2 FT AT 17 SECONDS.
PZZ173-172145-
COASTAL WATERS FROM JAMES ISLAND TO POINT GRENVILLE 10 TO 60 NM-
145 AM PDT THU SEP 17 2026
TODAY
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW
7 FT AT 8 SECONDS.
TONIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW
7 FT AT 8 SECONDS.
FRI
W WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW 7 FT
AT 8 SECONDS AND S 2 FT AT 17 SECONDS.
FRI NIGHT
W WIND 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW
6 FT AT 8 SECONDS AND S 2 FT AT 17 SECONDS.
SAT
NW WIND 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW 5 FT
AT 6 SECONDS AND S 2 FT AT 16 SECONDS.
SAT NIGHT
NW WIND AROUND 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL:
NW 5 FT AT 5 SECONDS AND SW 2 FT AT 16 SECONDS.
SUN
NW WIND 5 TO 10 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NW 5 FT
AT 6 SECONDS AND SW 2 FT AT 16 SECONDS.
SUN NIGHT
NW WIND 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW
5 FT AT 7 SECONDS AND SW 2 FT AT 16 SECONDS.
MON
NW WIND 5 TO 10 KT, RISING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 5 TO 7 FT. WAVE DETAIL: NW 7 FT AT 10 SECONDS AND
SW 2 FT AT 17 SECONDS.
MON NIGHT
NW WIND 10 TO 15 KT. SEAS 6 TO 8 FT. WAVE DETAIL: NW
8 FT AT 8 SECONDS AND SW 2 FT AT 17 SECONDS.
PZZ176-172145-
COASTAL WATERS FROM POINT GRENVILLE TO CAPE SHOALWATER 10 TO
60 NM-
145 AM PDT THU SEP 17 2026
TODAY
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW
7 FT AT 8 SECONDS.
TONIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW
7 FT AT 8 SECONDS.
FRI
W WIND 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW 6 FT AT
8 SECONDS AND SW 2 FT AT 17 SECONDS.
FRI NIGHT
W WIND 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: NW 6 FT AT 8 SECONDS AND S
2 FT AT 17 SECONDS.
SAT
NW WIND AROUND 10 KT. SEAS 5 TO 6 FT, SUBSIDING TO 4 FT IN
THE AFTERNOON. WAVE DETAIL: NW 5 FT AT 7 SECONDS AND S 2 FT AT
16 SECONDS.
SAT NIGHT
N WIND 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NW
5 FT AT 6 SECONDS AND SW 2 FT AT 17 SECONDS.
SUN
N WIND 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE DETAIL: NW 5 FT
AT 6 SECONDS AND SW 2 FT AT 16 SECONDS.
SUN NIGHT
NW WIND 10 TO 15 KT. SEAS 5 TO 6 FT. WAVE DETAIL: N
5 FT AT 7 SECONDS AND SW 2 FT AT 17 SECONDS.
MON
NW WIND 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: NW 7 FT
AT 10 SECONDS AND SW 2 FT AT 17 SECONDS.
MON NIGHT
NW WIND AROUND 15 KT. SEAS 6 TO 8 FT. WAVE DETAIL:
NW 8 FT AT 9 SECONDS AND SW 2 FT AT 17 SECONDS.
PZZ130-172145-
WEST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-
145 AM PDT THU SEP 17 2026
TODAY
E WIND 5 TO 10 KT, EASING TO AROUND 5 KT EARLY THIS
AFTERNOON, BACKING TO NW LATE. SEAS 3 TO 4 FT. WAVE DETAIL: W
4 FT AT 8 SECONDS.
TONIGHT
W WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT
AT 8 SECONDS.
FRI
W WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT
8 SECONDS.
FRI NIGHT
W WIND 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: W
3 FT AT 7 SECONDS.
SAT
NW WIND AROUND 5 KT. SEAS AROUND 3 FT IN THE MORNING, THEN
AROUND 2 FT OR LESS. WAVE DETAIL: W 2 FT AT 7 SECONDS.
SAT NIGHT
W WIND 5 TO 10 KT. SEAS AROUND 2 FT OR LESS, THEN
AROUND 3 FT AFTER MIDNIGHT. WAVE DETAIL: W 2 FT AT 6 SECONDS.
SUN
W WIND AROUND 5 KT, RISING TO 5 TO 10 KT IN THE AFTERNOON.
SEAS AROUND 3 FT. WAVE DETAIL: W 3 FT AT 9 SECONDS.
SUN NIGHT
W WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W
3 FT AT 9 SECONDS.
MON
W WIND 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 4 FT AT
11 SECONDS.
MON NIGHT
W WIND 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: W
5 FT AT 11 SECONDS.
PZZ131-172145-
CENTRAL U.S. WATERS STRAIT OF JUAN DE FUCA-
145 AM PDT THU SEP 17 2026
TODAY
E WIND 5 TO 10 KT, VEERING TO W LATE. WAVES AROUND 2 FT
OR LESS.
TONIGHT
W WIND 10 TO 15 KT, EASING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT OR LESS.
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 AROUND 3 FT AFTER
MIDNIGHT.
SAT
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
SAT NIGHT
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
SUN
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
SUN NIGHT
W WIND 10 TO 15 KT. WAVES AROUND 2 FT OR LESS.
MON
W WIND 10 TO 15 KT. WAVES AROUND 2 FT OR LESS.
MON NIGHT
W WIND 10 TO 15 KT. WAVES 3 TO 4 FT.
PZZ132-172145-
EAST ENTRANCE U.S. WATERS STRAIT OF JUAN DE FUCA-
145 AM PDT THU SEP 17 2026
TODAY
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
TONIGHT
W WIND 5 TO 10 KT, BACKING TO S AFTER MIDNIGHT. WAVES
AROUND 2 FT OR LESS.
FRI
S WIND 5 TO 10 KT, VEERING TO SW IN THE AFTERNOON. WAVES
AROUND 2 FT OR LESS.
FRI NIGHT
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
SAT
SW WIND 5 TO 10 KT, VEERING TO W IN THE AFTERNOON. WAVES
AROUND 2 FT OR LESS.
SAT NIGHT
W WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
SUN
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
SUN NIGHT
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
MON
SW WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
MON NIGHT
W WIND 10 TO 15 KT. WAVES AROUND 3 FT.
PZZ134-172145-
ADMIRALTY INLET-
145 AM PDT THU SEP 17 2026
TODAY
NW WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
TONIGHT
NW WIND 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. WAVES
AROUND 2 FT OR LESS.
FRI
SE WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
FRI NIGHT
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
SAT
S WIND AROUND 5 KT, VEERING TO N AROUND 5 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
SAT NIGHT
NW WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
SUN
NW WIND AROUND 5 KT, RISING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
SUN NIGHT
NW WIND 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES
AROUND 2 FT OR LESS.
MON
SW WIND AROUND 5 KT, VEERING TO NW AROUND 5 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
MON NIGHT
W WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
PZZ133-172145-
NORTHERN INLAND WATERS INCLUDING THE SAN JUAN ISLANDS-
145 AM PDT THU SEP 17 2026
TODAY
NW WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
TONIGHT
SW WIND 5 TO 10 KT, BACKING TO SE AFTER MIDNIGHT.
WAVES AROUND 2 FT OR LESS.
FRI
SE WIND 5 TO 10 KT, VEERING TO S IN THE AFTERNOON. WAVES
AROUND 2 FT OR LESS.
FRI NIGHT
SW WIND AROUND 5 KT, BACKING TO SE AFTER MIDNIGHT.
WAVES AROUND 2 FT OR LESS.
SAT
S WIND AROUND 5 KT, VEERING TO SW AROUND 5 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
SAT NIGHT
W WIND AROUND 5 KT IN THE EVENING, BECOMING LIGHT
AND VARIABLE. WAVES AROUND 2 FT OR LESS.
SUN
LIGHT AND VARIABLE WINDS, BECOMING NW AROUND 5 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
SUN NIGHT
W WIND AROUND 5 KT, BACKING TO S AFTER MIDNIGHT.
WAVES AROUND 2 FT OR LESS.
MON
S WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
MON NIGHT
SW WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
PZZ135-172145-
PUGET SOUND AND HOOD CANAL-
145 AM PDT THU SEP 17 2026
TODAY
N WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
TONIGHT
N WIND AROUND 5 KT, BACKING TO SW AFTER MIDNIGHT.
WAVES AROUND 2 FT OR LESS.
FRI
S WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
FRI NIGHT
SW WIND 5 TO 10 KT. WAVES AROUND 2 FT OR LESS.
SAT
SW WIND AROUND 5 KT, VEERING TO NW IN THE AFTERNOON. WAVES
AROUND 2 FT OR LESS.
SAT NIGHT
N WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
SUN
N WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
SUN NIGHT
N WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
MON
LIGHT AND VARIABLE WINDS, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. WAVES AROUND 2 FT OR LESS.
MON NIGHT
NW WIND AROUND 5 KT. WAVES AROUND 2 FT OR LESS.
PZZ110-172145-
GRAYS HARBOR BAR-
145 AM PDT THU SEP 17 2026
COMBINED SEAS 4 OR 5 FT. BAR CONDITIONS LIGHT. MAXIMUM EBB
CURRENTS WILL OCCUR AROUND 900 AM THURSDAY, 930 PM THURSDAY, AND
1015 AM FRIDAY.
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