Western Washington Watches and Warnings

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Today's and yesterday's warnings in reverse chronological order.


WHUS76 KSEW 121544
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
844 AM PDT Sat Aug 12 2023

PZZ150-153-156-170-173-176-122345-
/O.CON.KSEW.SC.Y.0180.230813T0000Z-230813T1000Z/
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-
844 AM PDT Sat Aug 12 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 3 AM PDT SUNDAY...

* WHAT...Northwest winds 15 to 25 kt.

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

* WHEN...From 5 PM this afternoon to 3 AM PDT Sunday.

* 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





WWUS76 KSEW 121012
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
312 AM PDT Sat Aug 12 2023

WAZ512-130000-
/O.NEW.KSEW.EH.A.0002.230813T1800Z-230818T0500Z/
Lower Chehalis Valley Area-
Including the cities of Montesano, Elma, and McCleary
312 AM PDT Sat Aug 12 2023

...EXCESSIVE HEAT WATCH IN EFFECT FROM SUNDAY MORNING THROUGH THURSDAY EVENING...

* WHAT...A multi-day stretch of dangerously hot conditions with daytime temperatures in the 80s and 90s and lows in the 60s. This will pose Moderate to Major Heat Risk levels and risk of heat-related illness.

* WHERE...Lower Chehalis Valley Area.

* WHEN...From Sunday morning through Thursday evening.

* IMPACTS...Major Heat Risk level poses a major risk for heat- related illnesses for anyone without effective cooling or adequate hydration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air- conditioned room, stay out of the sun, and check up on relatives and neighbors.

Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during warm or hot weather when car interiors can reach lethal temperatures in a matter of minutes.

&&

$$

WAZ516-517-130000- /O.NEW.KSEW.EH.A.0002.230813T1800Z-230815T0500Z/ North Coast-Central Coast- Including the cities of Beaver, Clearwater, Forks, La Push, Neah Bay, Ozette, Queets, Aberdeen, and Hoquiam 312 AM PDT Sat Aug 12 2023

...EXCESSIVE HEAT WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY EVENING...

* WHAT...A multi-day stretch of dangerously hot conditions with daytime temperatures in the 80s and 90s and lows in the 60s. This will pose Moderate to Major Heat Risk levels and risk of heat-related illness.

* WHERE...North Coast and Central Coast.

* WHEN...From Sunday morning through Monday evening.

* IMPACTS...Major Heat Risk level poses a major risk for heat- related illnesses for anyone without effective cooling or adequate hydration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air- conditioned room, stay out of the sun, and check up on relatives and neighbors.

Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during warm or hot weather when car interiors can reach lethal temperatures in a matter of minutes.

&&

$$

WAZ503-504-506-507-509-511-555-556-558-559-130000- /O.NEW.KSEW.EH.A.0002.230814T1800Z-230818T0500Z/ Western Whatcom County-Southwest Interior-Western Skagit County- Everett and Vicinity-Tacoma Area-Hood Canal Area- East Puget Sound Lowlands-Bellevue and Vicinity- Seattle and Vicinity-Bremerton and Vicinity- Including the cities of Bellingham, Olympia, Lacey, Tumwater, Mount Vernon, Anacortes, Sedro-Woolley, Burlington, Everett, Edmonds, Lynnwood, Marysville, Tacoma, Shelton, Covington-Sawyer-w, Maple Valley, Monroe, Prairie Ridge, Enumclaw, Bonney Lake, Woodinville, Redmond, Kirkland, Bothell, Kenmore, Newport Hills, Sahalee, Pine Lake, Seattle, Bremerton, and Silverdale 312 AM PDT Sat Aug 12 2023

...EXCESSIVE HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH THURSDAY EVENING...

* WHAT...A multi-day stretch of dangerously hot conditions with daytime temperatures in the 80s and 90s and lows in the 60s. This will pose Moderate to Major Heat Risk levels and risk of heat-related illness.

* WHERE...Western Whatcom County, Southwest Interior, Western Skagit County, Everett and Vicinity, Tacoma Area, Hood Canal Area, East Puget Sound Lowlands, Bellevue and Vicinity, Seattle and Vicinity and Bremerton and Vicinity.

* WHEN...From Monday morning through Thursday evening.

* IMPACTS...Major Heat Risk level poses a major risk for heat- related illnesses for anyone without effective cooling or adequate hydration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air- conditioned room, stay out of the sun, and check up on relatives and neighbors.

Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during warm or hot weather when car interiors can reach lethal temperatures in a matter of minutes.

&&

$$

WAZ567>569-130000- /O.NEW.KSEW.EH.A.0002.230814T1800Z-230818T0500Z/ West Slopes North Cascades and Passes- West Slopes North Central Cascades and Passes- West Slopes South Central Cascades and Passes- Including the cities of Concrete, Lyman, Hamilton, Darrington, and Morton 312 AM PDT Sat Aug 12 2023

...EXCESSIVE HEAT WATCH IN EFFECT FROM MONDAY MORNING THROUGH THURSDAY EVENING...

* WHAT...A multi-day stretch of dangerously hot conditions with daytime temperatures in the 80s and 90s and lows in the 60s. This will pose Moderate to Major Heat Risk levels and risk of heat-related illness.

* WHERE...West Slopes North Cascades and Passes, West Slopes North Central Cascades and Passes and West Slopes South Central Cascades and Passes.

* WHEN...From Monday morning through Thursday evening.

* IMPACTS...Major Heat Risk level poses a major risk for heat- related illnesses for anyone without effective cooling or adequate hydration.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts and warnings for updates on this situation. Be prepared to drink plenty of fluids, stay in an air- conditioned room, stay out of the sun, and check up on relatives and neighbors.

Young children and pets should never be left unattended in vehicles under any circumstances. This is especially true during warm or hot weather when car interiors can reach lethal temperatures in a matter of minutes.

&&

$$


WWUS86 KSEW 121012
RFWSEW

URGENT - FIRE WEATHER MESSAGE
National Weather Service Seattle WA
312 AM PDT Sat Aug 12 2023

WAZ658-659-130000-
/O.NEW.KSEW.FW.A.0002.230813T1800Z-230816T0500Z/
West Slopes of the North Cascades Generally above 1500 Feet-
West Slopes of the Central Cascades Generally above 1500 Feet-
312 AM PDT Sat Aug 12 2023

...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY MORNING THROUGH TUESDAY EVENING FOR HOT, DRY AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES 658 AND 659...

The National Weather Service in Seattle has issued a Fire Weather Watch for hot, dry and unstable conditions, which is in effect from Sunday morning through Tuesday evening.

* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North Cascades Generally above 1500 Feet and Fire Weather Zone 659 West Slopes of the Central Cascades Generally above 1500 Feet.

* RELATIVE HUMIDITY...Daytime minimums in the 20s.

* TEMPERATURES...In the 70s and 80s.

* HAINES...Mid-level Haines 6 or high potential for large plume dominated fire growth.

* IMPACTS...A dry and unstable air mass with warm temperatures can contribute to active fire behavior. In western Washington, significant growth on existing fires takes place under such conditions. If a fire were to begin, air quality may diminish in the surrounding area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Fire Weather Watch means that there is a potential for critical fire weather conditions to develop. Monitor the forecasts for possible Red Flag Warnings.

&&

$$


WHUS76 KSEW 120952
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
252 AM PDT Sat Aug 12 2023

PZZ131-132-121100-
/O.CAN.KSEW.SC.Y.0179.000000T0000Z-230812T1000Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
252 AM PDT Sat Aug 12 2023

...SMALL CRAFT ADVISORY IS CANCELLED...

$$

PZZ150-153-156-170-173-176-121800- /O.NEW.KSEW.SC.Y.0180.230813T0000Z-230813T1000Z/ 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- 252 AM PDT Sat Aug 12 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 3 AM PDT SUNDAY...

* WHAT...Northwest winds 15 to 25 kt.

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

* WHEN...From 5 PM this afternoon to 3 AM PDT Sunday.

* 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


WHUS76 KSEW 120358
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
858 PM PDT Fri Aug 11 2023

PZZ131-132-121000-
/O.CON.KSEW.SC.Y.0179.000000T0000Z-230812T1000Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
858 PM PDT Fri Aug 11 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY...

* WHAT...West winds 15 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 3 AM PDT Saturday.

* 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


WHUS76 KSEW 112137
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
237 PM PDT Fri Aug 11 2023

PZZ131-132-120545-
/O.CON.KSEW.SC.Y.0179.230811T2200Z-230812T1000Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
237 PM PDT Fri Aug 11 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT SATURDAY...

* WHAT...West winds 15 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 3 AM PDT Saturday.

* IMPACTS...Conditions will be hazardous to small cra200 PM Friday andft.

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





WHUS76 KSEW 111543
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
843 AM PDT Fri Aug 11 2023

PZZ131-132-112345-
/O.CON.KSEW.SC.Y.0179.230811T2200Z-230812T1000Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
843 AM PDT Fri Aug 11 2023

...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PDT SATURDAY...

* WHAT...West winds 15 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...From 3 PM this afternoon to 3 AM PDT Saturday.

* 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


WHUS76 KSEW 110918
MWWSEW

URGENT - MARINE WEATHER MESSAGE
National Weather Service Seattle WA
218 AM PDT Fri Aug 11 2023

PZZ131-132-111730-
/O.NEW.KSEW.SC.Y.0179.230811T2200Z-230812T1000Z/
Central U.S. Waters Strait Of Juan De Fuca-
East Entrance U.S. Waters Strait Of Juan De Fuca-
218 AM PDT Fri Aug 11 2023

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 3 AM PDT SATURDAY...

* WHAT...West winds 15 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...From 3 PM this afternoon to 3 AM PDT Saturday.

* 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