Marine Weather Message
Issued by NWS Seattle/Tacoma, WA
Issued by NWS Seattle/Tacoma, WA
270 WHUS76 KSEW 312123 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 223 PM PDT Thu Jul 31 2025 PZZ150-153-156-170-173-176-010530- /O.NEW.KSEW.MF.Y.0004.250801T0300Z-250801T1800Z/ 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- 223 PM PDT Thu Jul 31 2025 ...DENSE FOG ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 11 AM PDT FRIDAY... * WHAT...Dense fog will reduce visibility to 1 NM or less. * WHERE...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 and Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm. * WHEN...From 8 PM this evening to 11 AM PDT Friday. * IMPACTS...Low visibility will make navigation difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must navigate, proceed with caution. Use proper fog signals. Make sure all running lights are on. Remember to use your radar and compass. && $$ PZZ131-132-010530- /O.EXT.KSEW.SC.Y.0106.250731T2200Z-250801T1100Z/ Central U.S. Waters Strait Of Juan De Fuca- East Entrance U.S. Waters Strait Of Juan De Fuca- 223 PM PDT Thu Jul 31 2025 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 AM PDT FRIDAY... * WHAT...West winds 20 to 25 kt. * WHERE...Central U. S. Waters Strait Of Juan De Fuca and East Entrance U. S. Waters Strait Of Juan De Fuca. * WHEN...Until 4 AM PDT Friday. * IMPACTS...Conditions will be hazardous to small craft. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots and/or seas 10 feet or higher are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ For more information from the National Weather Service visit http://weather.gov/seattle