Marine Weather Message
Issued by NWS Seattle/Tacoma, WA

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961
WHUS76 KSEW 202307
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
307 PM PST Thu Nov 20 2025

PZZ130-210715-
/O.CON.KSEW.SC.Y.0158.000000T0000Z-251121T1200Z/
West Entrance U.S. Waters Strait Of Juan De Fuca-
307 PM PST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Seas 10 to 14 ft.

* WHERE...West Entrance U. S. Waters Strait Of Juan De Fuca.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

PZZ150-153-156-170-173-176-210715-
/O.CON.KSEW.SC.Y.0158.000000T0000Z-251121T1200Z/
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-
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-
307 PM PST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Seas 12 to 17 ft.

* WHERE...Coastal Waters from Cape Flattery to Cape Shoalwater
  out to 60 nm.

* WHEN...Until 4 AM PST Friday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory means that wind speeds of 21 to 33 knots
and/or seas 10 feet or higher are expected to produce hazardous
wave conditions to small craft. Inexperienced mariners,
especially those operating smaller vessels should avoid
navigating in these conditions.

&&

$$

PZZ110-210715-
/O.CON.KSEW.SC.Y.0158.000000T0000Z-251121T2000Z/
Grays Harbor Bar-
307 PM PST Thu Nov 20 2025

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PST FRIDAY...

* WHAT...Bar conditions severe, becoming rough early Friday
  morning. Combined seas 12 to 15 ft, decreasing to 10 to 12 ft.

* WHERE...Grays Harbor Bar.

* WHEN...Until noon PST Friday.

* IMPACTS...Conditions will be hazardous to small craft
  especially when navigating in or near harbor entrances.

* ADDITIONAL DETAILS...Maximum ebb currents will occur around 415
  PM Thursday, 445 AM Friday, and 445 PM Friday. The afternoon
  ebbs will be strong.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Small Craft Advisory for rough bar means that wave conditions
are expected to be hazardous to small craft in or near harbor
entrances.

&&

$$

For more information from the National Weather Service visit
http://weather.gov/seattle