Alert archive / Washington / Gale Warnings in 2017
Gale Warning 97, NWS Seattle, WA
NWS Seattle, WA issued this gale warning at Dec 18, 2017, 3:03 AM PST. It took effect at Dec 18, 2017, 10:00 PM PST. It was in force for 16 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 18, 2017, 3:03 AM PST (11:03 UTC)
- In effect from
- Dec 18, 2017, 10:00 PM PST
- Expired
- Dec 19, 2017, 2:20 PM PST
- In force
- 16 hr
- Issued by
- NWS Seattle, WA
The text
As transmitted.
410 WHUS76 KSEW 181103 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 303 AM PST Mon Dec 18 2017 PZZ153-156-173-176-181915- /O.CAN.KSEW.SC.Y.0303.000000T0000Z-171218T1200Z/ /O.UPG.KSEW.GL.A.0059.171219T1200Z-171220T0000Z/ /O.NEW.KSEW.GL.W.0097.171219T1200Z-171220T0000Z/ 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 James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 303 AM PST Mon Dec 18 2017 ...GALE WARNING IN EFFECT FROM 4 AM TO 4 PM PST TUESDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... The National Weather Service in Seattle has issued a Gale Warning...which is in effect from 4 AM to 4 PM PST Tuesday. The Gale Watch is no longer in effect. * WAVES/SEAS...Combined seas 11 to 14 feet. * Wind...Southerly 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ150-170-181915- /O.CAN.KSEW.SC.Y.0303.000000T0000Z-171218T1200Z/ /O.NEW.KSEW.SC.Y.0306.171219T0600Z-171220T0000Z/ Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 303 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST TUESDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... The National Weather Service in Seattle has issued a Small Craft Advisory...which is in effect from 10 PM this evening to 4 PM PST Tuesday. * Wind...Southeast 15 to 30 knots becoming southwest Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ130-181915- /O.CAN.KSEW.SC.Y.0303.000000T0000Z-171218T1200Z/ /O.NEW.KSEW.SC.Y.0306.171219T0600Z-171220T0000Z/ West Entrance U.S. Waters Strait Of Juan De Fuca- 303 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST TUESDAY... ...SMALL CRAFT ADVISORY IS CANCELLED... The National Weather Service in Seattle has issued a Small Craft Advisory...which is in effect from 10 PM this evening to 4 PM PST Tuesday. * Wind...East 15 to 30 knots becoming south Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ133-181215- /O.CAN.KSEW.SC.Y.0303.000000T0000Z-171218T1200Z/ Northern Inland Waters Including The San Juan Islands- 303 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY IS CANCELLED... $$ PZZ131-132-181915- /O.CON.KSEW.GL.W.0096.000000T0000Z-171218T1400Z/ /O.EXB.KSEW.SC.Y.0304.171218T1400Z-171218T2000Z/ Central U.S. Waters Strait Of Juan De Fuca- East Entrance U.S. Waters Strait Of Juan De Fuca- 303 AM PST Mon Dec 18 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM THIS MORNING TO NOON PST TODAY... The National Weather Service in Seattle has issued a Small Craft Advisory...which is in effect from 6 AM this morning to noon PST today. * Wind...West 25 to 35 knots, easing to 15 to 25 knots this morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ135-181400- /O.CON.KSEW.SC.Y.0304.000000T0000Z-171218T1400Z/ Puget Sound and Hood Canal- 303 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING... * Wind...South 15 to 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ134-181800- /O.CON.KSEW.SC.Y.0305.000000T0000Z-171218T1800Z/ Admiralty Inlet- 303 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * Wind...Northwest 15 to 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ www.weather.gov/seattle
8 follow-up statements
641 WHUS76 KSEW 181104 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 304 AM PST Mon Dec 18 2017 PZZ134-181215- /O.CAN.KSEW.SC.Y.0305.000000T0000Z-171218T1800Z/ Admiralty Inlet- 304 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY IS CANCELLED... $$ PZZ131-132-181915- /O.CON.KSEW.GL.W.0096.000000T0000Z-171218T1400Z/ /O.CON.KSEW.SC.Y.0304.171218T1400Z-171218T2000Z/ Central U.S. Waters Strait Of Juan De Fuca- East Entrance U.S. Waters Strait Of Juan De Fuca- 304 AM PST Mon Dec 18 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY... * Wind...West 25 to 35 knots, easing to 15 to 25 knots this morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ153-156-173-176-181915- /O.CON.KSEW.GL.W.0097.171219T1200Z-171220T0000Z/ Coastal Waters From James Island To Point Grenville Out 10 Nm- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- Coastal Waters From James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 304 AM PST Mon Dec 18 2017 ...GALE WARNING REMAINS IN EFFECT FROM 4 AM TO 4 PM PST TUESDAY... * WAVES/SEAS...Combined seas 11 to 14 feet. * Wind...Southerly 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ135-181400- /O.CON.KSEW.SC.Y.0304.000000T0000Z-171218T1400Z/ Puget Sound and Hood Canal- 304 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING... * Wind...South 15 to 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ150-170-181915- /O.CON.KSEW.SC.Y.0306.171219T0600Z-171220T0000Z/ Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 304 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST TUESDAY... * Wind...Southeast 15 to 30 knots becoming southwest Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ130-181915- /O.CON.KSEW.SC.Y.0306.171219T0600Z-171220T0000Z/ West Entrance U.S. Waters Strait Of Juan De Fuca- 304 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST TUESDAY... * Wind...East 15 to 30 knots becoming south Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ www.weather.gov/seattle
828 WHUS76 KSEW 181723 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 923 AM PST Mon Dec 18 2017 PZZ153-156-173-176-190130- /O.EXT.KSEW.GL.W.0097.171219T0600Z-171219T1800Z/ Coastal Waters From James Island To Point Grenville Out 10 Nm- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- Coastal Waters From James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 923 AM PST Mon Dec 18 2017 ...GALE WARNING NOW IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... * WAVES/SEAS...Combined seas 11 to 14 feet. * Wind...Northeast wind 10 to 20 knots becoming southerly 25 to 35 knots late this evening through tonight. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ131-190130- /O.EXT.KSEW.SC.Y.0304.000000T0000Z-171218T2300Z/ /O.EXB.KSEW.SC.Y.0306.171219T0600Z-171219T1800Z/ Central U.S. Waters Strait Of Juan De Fuca- 923 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... The National Weather Service in Seattle has issued a Small Craft Advisory...which is in effect from 10 PM this evening to 10 AM PST Tuesday. * Wind...East 15 to 30 knots. Winds easing to 10 to 20 knots for period late today and early this evening before increasing again. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ134-182300- /O.EXB.KSEW.SC.Y.0304.000000T0000Z-171218T2300Z/ Admiralty Inlet- 923 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... The National Weather Service in Seattle has issued a Small Craft Advisory...which is in effect until 3 PM PST this afternoon. * Wind...Northwest 15 to 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ132-182300- /O.EXT.KSEW.SC.Y.0304.000000T0000Z-171218T2300Z/ East Entrance U.S. Waters Strait Of Juan De Fuca- 923 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... * Wind...West 15 to 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ130-150-170-190130- /O.EXT.KSEW.SC.Y.0306.171219T0600Z-171219T1800Z/ West Entrance U.S. Waters Strait Of Juan De Fuca- Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 923 AM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... * Wind...Becoming northeast 15 to 25 knots tonight, switching to the northwest Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ www.weather.gov/seattle
391 WHUS76 KSEW 182259 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 259 PM PST Mon Dec 18 2017 PZZ135-190700- /O.EXB.KSEW.GL.W.0097.171219T1400Z-171220T0000Z/ Puget Sound and Hood Canal- 259 PM PST Mon Dec 18 2017 ...GALE WARNING IN EFFECT FROM 6 AM TO 4 PM PST TUESDAY... The National Weather Service in Seattle has issued a Gale Warning...which is in effect from 6 AM to 4 PM PST Tuesday. * Wind...Northeast wind 10 to 20 knots becoming southerly 25 to 35 knots Tuesday morning through the afternoon, then easing. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ153-156-173-176-190700- /O.CON.KSEW.GL.W.0097.171219T0600Z-171219T1800Z/ Coastal Waters From James Island To Point Grenville Out 10 Nm- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- Coastal Waters From James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 259 PM PST Mon Dec 18 2017 ...GALE WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... * Wind...Northeast wind 10 to 20 knots becoming southerly 25 to 35 knots late this evening through Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ131-190700- /O.EXT.KSEW.SC.Y.0304.000000T0000Z-171219T0100Z/ /O.CON.KSEW.SC.Y.0306.171219T0600Z-171219T1800Z/ Central U.S. Waters Strait Of Juan De Fuca- 259 PM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM PST THIS AFTERNOON... ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... * Wind...West wind 15 to 25 knots, easing early. East wind rising to 15 to 25 knots late this evening through Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ132-134-190100- /O.EXT.KSEW.SC.Y.0304.000000T0000Z-171219T0100Z/ East Entrance U.S. Waters Strait Of Juan De Fuca-Admiralty Inlet- 259 PM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 PM PST THIS AFTERNOON... * Wind...West 15 to 25 knots, then easing. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ130-150-170-190700- /O.CON.KSEW.SC.Y.0306.171219T0600Z-171219T1800Z/ West Entrance U.S. Waters Strait Of Juan De Fuca- Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 259 PM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST TUESDAY... * Wind...Becoming northeast 15 to 25 knots tonight, switching to the northwest late Tuesday morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ www.weather.gov/seattle
292 WHUS76 KSEW 190455 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 855 PM PST Mon Dec 18 2017 PZZ153-156-173-176-191300- /O.CON.KSEW.GL.W.0097.171219T0600Z-171219T1800Z/ Coastal Waters From James Island To Point Grenville Out 10 Nm- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- Coastal Waters From James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 855 PM PST Mon Dec 18 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST TUESDAY... * Wind...Southerly 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ135-191300- /O.CON.KSEW.GL.W.0097.171219T1400Z-171220T0000Z/ Puget Sound and Hood Canal- 855 PM PST Mon Dec 18 2017 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM TO 4 PM PST TUESDAY... * Wind...Southerly 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ132>134-191300- /O.EXB.KSEW.SC.Y.0306.171219T1200Z-171220T0000Z/ East Entrance U.S. Waters Strait Of Juan De Fuca- Northern Inland Waters Including The San Juan Islands- Admiralty Inlet- 855 PM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY IN EFFECT FROM 4 AM TO 4 PM PST TUESDAY... The National Weather Service in Seattle has issued a Small Craft Advisory...which is in effect from 4 AM to 4 PM PST Tuesday. * Wind...Southeast 15 to 25 knots, becoming westerly Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ131-191300- /O.EXT.KSEW.SC.Y.0306.171219T0600Z-171220T0600Z/ Central U.S. Waters Strait Of Juan De Fuca- 855 PM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM PST TUESDAY... * Wind...East 15 to 25 knots becoming west Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ130-150-170-191300- /O.CON.KSEW.SC.Y.0306.171219T0600Z-171219T1800Z/ West Entrance U.S. Waters Strait Of Juan De Fuca- Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 855 PM PST Mon Dec 18 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST TUESDAY... * Wind...East 15 to 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ www.weather.gov/seattle
224 WHUS76 KSEW 191050 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 250 AM PST Tue Dec 19 2017 PZZ132-191900- /O.UPG.KSEW.SC.Y.0306.171219T1200Z-171220T0000Z/ /O.EXB.KSEW.GL.W.0097.171219T2000Z-171220T0200Z/ East Entrance U.S. Waters Strait Of Juan De Fuca- 250 AM PST Tue Dec 19 2017 ...GALE WARNING IN EFFECT FROM NOON TODAY TO 6 PM PST THIS EVENING... The National Weather Service in Seattle has issued a Gale Warning...which is in effect from noon today to 6 PM PST this evening. The Small Craft Advisory is no longer in effect. * Wind...West 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ131-191900- /O.UPG.KSEW.SC.Y.0306.000000T0000Z-171220T0600Z/ /O.EXB.KSEW.GL.W.0097.171219T2000Z-171220T0200Z/ Central U.S. Waters Strait Of Juan De Fuca- 250 AM PST Tue Dec 19 2017 ...GALE WARNING IN EFFECT FROM NOON TODAY TO 6 PM PST THIS EVENING... The National Weather Service in Seattle has issued a Gale Warning...which is in effect from noon today to 6 PM PST this evening. The Small Craft Advisory is no longer in effect. * Wind...West 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ153-156-173-176-191800- /O.CON.KSEW.GL.W.0097.000000T0000Z-171219T1800Z/ 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 James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 250 AM PST Tue Dec 19 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * Wind...Southerly 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ135-191900- /O.CON.KSEW.GL.W.0097.171219T1400Z-171220T0000Z/ Puget Sound and Hood Canal- 250 AM PST Tue Dec 19 2017 ...GALE WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 4 PM PST THIS AFTERNOON... * Wind...Southerly 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ130-191900- /O.EXT.KSEW.SC.Y.0306.000000T0000Z-171220T0000Z/ West Entrance U.S. Waters Strait Of Juan De Fuca- 250 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * Wind...East 15 to 25 knots becoming westerly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ170-191900- /O.EXT.KSEW.SC.Y.0306.000000T0000Z-171220T1800Z/ Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 250 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 AM PST WEDNESDAY... * Wind...East 15 to 30 knots becoming northwest. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ150-191900- /O.EXT.KSEW.SC.Y.0306.000000T0000Z-171220T0600Z/ Coastal Waters From Cape Flattery To James Island Out 10 Nm- 250 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... * Wind...East 15 to 30 knots becoming northwest. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ133-134-191900- /O.CON.KSEW.SC.Y.0306.171219T1200Z-171220T0000Z/ Northern Inland Waters Including The San Juan Islands- Admiralty Inlet- 250 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * Wind...Easterly 15 to 25 knots, becoming westerly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ www.weather.gov/seattle
059 WHUS76 KSEW 191653 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 853 AM PST Tue Dec 19 2017 PZZ135-200000- /O.EXT.KSEW.GL.W.0097.000000T0000Z-171219T1800Z/ /O.NEW.KSEW.GL.W.0098.171219T1900Z-171220T0000Z/ Puget Sound and Hood Canal- 853 AM PST Tue Dec 19 2017 ...GALE WARNING IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... The National Weather Service in Seattle has issued a Gale Warning...which is in effect until 4 PM PST this afternoon. * Wind...Southerly 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ153-156-173-176-191800- /O.CON.KSEW.GL.W.0097.000000T0000Z-171219T1800Z/ Coastal Waters From James Island To Point Grenville Out 10 Nm- Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm- Coastal Waters From James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 853 AM PST Tue Dec 19 2017 ...GALE WARNING IN EFFECT UNTIL 10 AM PST THIS MORNING... * Wind...Southerly 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ131-132-200100- /O.CON.KSEW.GL.W.0097.171219T2000Z-171220T0200Z/ Central U.S. Waters Strait Of Juan De Fuca- East Entrance U.S. Waters Strait Of Juan De Fuca- 853 AM PST Tue Dec 19 2017 ...GALE WARNING IN EFFECT TIL 6 PM PST THIS EVENING... * Wind...Northeast wind 20 to 35 knots becoming west 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ110-200100- /O.NEW.KSEW.RB.Y.0040.171219T1653Z-171220T1000Z/ Grays Harbor Bar- 853 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY FOR ROUGH BAR IN EFFECT UNTIL 2 AM PST WEDNESDAY... The National Weather Service in Seattle has issued a Small Craft Advisory for rough bar...which is in effect until 2 AM PST Wednesday. * COMBINED SEAS...11 FEET WITH BREAKERS POSSIBLE. * BAR CONDITION...ROUGH. * FIRST EBB...STRONG 5 PM TODAY. * SECOND EBB...545 AM WED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory for rough bar means that wave conditions are expected to be hazardous to small craft in or near harbor entrances. && $$ PZZ150-200100- /O.CON.KSEW.SC.Y.0306.000000T0000Z-171220T0600Z/ Coastal Waters From Cape Flattery To James Island Out 10 Nm- 853 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * Wind...Northeast wind 20 to 30 knots becoming northwest. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ170-200100- /O.CON.KSEW.SC.Y.0306.000000T0000Z-171220T1800Z/ Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 853 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST WEDNESDAY... * Wind...Northeast 20 to 30 knots becoming northwest. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ130-133-134-200000- /O.CON.KSEW.SC.Y.0306.000000T0000Z-171220T0000Z/ West Entrance U.S. Waters Strait Of Juan De Fuca- Northern Inland Waters Including The San Juan Islands- Admiralty Inlet- 853 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * Wind...East wind 20 to 30 knots becoming westerly. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ www.weather.gov/seattle
611 WHUS76 KSEW 191804 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 1004 AM PST Tue Dec 19 2017 PZZ135-200000- /O.EXP.KSEW.GL.W.0097.000000T0000Z-171219T1800Z/ /O.CON.KSEW.GL.W.0098.171219T1900Z-171220T0000Z/ Puget Sound and Hood Canal- 1004 AM PST Tue Dec 19 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * Wind...Southerly 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ153-156-173-176-192300- /O.EXP.KSEW.GL.W.0097.000000T0000Z-171219T1800Z/ /O.EXB.KSEW.GL.W.0098.171219T1804Z-171219T2300Z/ 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 James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 1004 AM PST Tue Dec 19 2017 ...GALE WARNING IN EFFECT UNTIL 3 PM PST THIS AFTERNOON... The National Weather Service in Seattle has issued a Gale Warning...which is in effect until 3 PM PST this afternoon. * Wind...West 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ131-132-200030- /O.CON.KSEW.GL.W.0097.171219T2000Z-171220T0200Z/ Central U.S. Waters Strait Of Juan De Fuca- East Entrance U.S. Waters Strait Of Juan De Fuca- 1004 AM PST Tue Dec 19 2017 ...GALE WARNING REMAINS IN EFFECT UNTIL 6 PM PST THIS EVENING... * Wind...Northeast wind 15 to 25 knots becoming west 25 to 35 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions. && $$ PZZ150-170-200030- /O.EXT.KSEW.SC.Y.0306.000000T0000Z-171220T1100Z/ Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 1004 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 3 AM PST WEDNESDAY... * Wind...Northeast wind 15 to 25 knots becoming northwest 20 to 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ110-200030- /O.CON.KSEW.RB.Y.0040.000000T0000Z-171220T1000Z/ Grays Harbor Bar- 1004 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY FOR ROUGH BAR REMAINS IN EFFECT UNTIL 2 AM PST WEDNESDAY... * COMBINED SEAS...11 FEET WITH BREAKERS POSSIBLE. * BAR CONDITION...ROUGH. * FIRST EBB...STRONG 5 PM TODAY. * SECOND EBB...545 AM WED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory for rough bar means that wave conditions are expected to be hazardous to small craft in or near harbor entrances. && $$ PZZ130-133-134-200000- /O.CON.KSEW.SC.Y.0306.000000T0000Z-171220T0000Z/ West Entrance U.S. Waters Strait Of Juan De Fuca- Northern Inland Waters Including The San Juan Islands- Admiralty Inlet- 1004 AM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * Wind...Northeast wind 15 to 25 knots except southeast wind in Admiralty Inlet. Winds becoming westerly 20 to 30 knots in the afternoon. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ www.weather.gov/seattle
512 WHUS76 KSEW 192220 MWWSEW URGENT - MARINE WEATHER MESSAGE National Weather Service Seattle WA 220 PM PST Tue Dec 19 2017 PZZ135-200630- /O.CAN.KSEW.GL.W.0098.000000T0000Z-171220T0000Z/ /O.EXB.KSEW.SC.Y.0306.000000T0000Z-171220T1000Z/ Puget Sound and Hood Canal- 220 PM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM PST WEDNESDAY... ...GALE WARNING IS CANCELLED... The National Weather Service in Seattle has issued a Small Craft Advisory...which is in effect until 2 AM PST Wednesday. * Wind...Southwest 20 to 30 knots this evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ153-156-173-176-200630- /O.CAN.KSEW.GL.W.0098.000000T0000Z-171219T2300Z/ /O.EXB.KSEW.SC.Y.0306.000000T0000Z-171220T1000Z/ 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 James Island To Point Grenville 10 To 60 Nm- Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm- 220 PM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM PST WEDNESDAY... ...GALE WARNING IS CANCELLED... The National Weather Service in Seattle has issued a Small Craft Advisory...which is in effect until 2 AM PST Wednesday. * Wind...Northwest 20 to 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ131-132-200630- /O.CAN.KSEW.GL.W.0097.000000T0000Z-171220T0200Z/ /O.EXB.KSEW.SC.Y.0306.000000T0000Z-171220T1000Z/ Central U.S. Waters Strait Of Juan De Fuca- East Entrance U.S. Waters Strait Of Juan De Fuca- 220 PM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM PST WEDNESDAY... ...GALE WARNING IS CANCELLED... The National Weather Service in Seattle has issued a Small Craft Advisory...which is in effect until 2 AM PST Wednesday. * Wind...Northwest 20 to 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ130-200630- /O.EXT.KSEW.SC.Y.0306.000000T0000Z-171220T1000Z/ West Entrance U.S. Waters Strait Of Juan De Fuca- 220 PM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM PST WEDNESDAY... * Wind...Northwest 15 to 25 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ133-134-200630- /O.EXT.KSEW.SC.Y.0306.000000T0000Z-171220T1000Z/ Northern Inland Waters Including The San Juan Islands- Admiralty Inlet- 220 PM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM PST WEDNESDAY... * Wind...Northwest 15 to 25 knots except 20 to 30 knots this evening in Admiralty Inlet. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ150-170-200630- /O.EXT.KSEW.SC.Y.0306.000000T0000Z-171220T1000Z/ Coastal Waters From Cape Flattery To James Island Out 10 Nm- Coastal Waters From Cape Flattery To James Island 10 To 60 Nm- 220 PM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 2 AM PST WEDNESDAY... * Wind...Northwest 20 to 30 knots. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory means that wind speeds of 21 to 33 knots are expected to produce hazardous wave conditions to small craft. Inexperienced mariners, especially those operating smaller vessels should avoid navigating in these conditions. && $$ PZZ110-200630- /O.CON.KSEW.RB.Y.0040.000000T0000Z-171220T1000Z/ Grays Harbor Bar- 220 PM PST Tue Dec 19 2017 ...SMALL CRAFT ADVISORY FOR ROUGH BAR REMAINS IN EFFECT UNTIL 2 AM PST WEDNESDAY... * COMBINED SEAS...11 FEET WITH BREAKERS POSSIBLE. * BAR CONDITION...ROUGH. * FIRST EBB...STRONG 5 PM TODAY. * SECOND EBB...545 AM WED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Small Craft Advisory for rough bar means that wave conditions are expected to be hazardous to small craft in or near harbor entrances. && $$ www.weather.gov/seattle
What forecasters said that day
The local office's own words before this gale warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Seattle, WA wrote its last area forecast discussion before this gale warning went out at Dec 17, 9:51 PM PST, 5 hours 12 minutes earlier.
Area forecast discussion, Dec 17, 9:51 PM PST, 5 hours 12 minutes before
Area Forecast Discussion
National Weather Service Seattle WA
951 PM PST Sun Dec 17 2017
.SYNOPSIS...A cold front over southwest British Columbia will move
across the northwest part of the state overnight and the rest of
the area Monday morning. Expect a warm front to move across the
southwest part of the state Monday afternoon. A strong cold front
will move across the region on Tuesday and usher in a colder air
mass. High pressure aloft will prevail on Wednesday for dry and
chilly weather.
&&
.SHORT TERM...
A cold front over southwest British Columbia will move across the
northwest part of the CWA overnight and the rest of the area
Monday morning. Expect a warm front to move across the southern
part of the forecast area Monday afternoon. The main impact these
fronts will have on our weather will be to keep conditions wet
and unsettled. Locally gusty winds can also be expected ahead of
and with the approaching cold front. So far, Mount Baker has
received about 10 inches of new snow. Total new snowfall
accumulations of 6 to 11 inches are likely on the north Cascades
(King County northward) by late Monday morning.
Meanwhile, on the lowlands, expect rain at times through the
period although parts of the Puget Sound region will remain in the
rain shadow due to strong westerly flow downsloping off the
Olympic range. It looks like convergence zone will develop Monday
morning, so this will give parts of the north Sound and, perhaps,
the central Sound a better chance of decent rainfall.
A stronger system will impact the area Monday night into Tuesday
as a strong frontal system approaches and then moves inland. The
main impacts will be the potential for heavy snow in the
mountains. A Winter Storm Watch is in effect for the Olympics and
north Cascades where amounts of 1-3 feet are possible.
Winds will be gusty with the frontal passage on Tuesday,
especially over the coast and south Puget Sound where winds will
gust to 40 MPH.
A cold upper level trough will move across the region Tuesday
night into Wednesday, resulting in snow levels falling to near
1,000 feet. This means there could see a few light snow showers
in the Cascade foothills Wednesday morning. Other areas to watch,
in the lowlands, will be the Strait of Juan de Fuca and western
Whatcom County.
An amplified upper level ridge centered near 138W will provide
the region with dry, northerly flow aloft on Wednesday. 33/05
.LONG TERM FROM THE PREV DISCUSSION...
A new wrinkle in the pattern brings a threat of lowland snow
Thursday night and Friday. Models show the ridge offshore
retrograding while a shortwave trough tracks S/SE into Western
Washington. The cool setup is already here with the dry offshore
flow, temperatures in the lower 30s and snow levels near the
surface. Light accumulations are possible but exact details are
still unclear since this system is still several days out. This
system exits Friday afternoon with the threat of showers ending.
Otherwise, the high amplitude ridge offshore will continue to
bring dry and cool weather through next weekend and into Christmas
Day. Temperatures are trending below normal with lows in the 20s
and highs only in the 30s. 33
&&
.AVIATION...A front draped across the area tonight will sag south
Monday and then lift back north as a warm front Monday night.
Westerly flow aloft will continue. The air mass is moist and
stable.
KSEA...MVFR low clouds are expected to be prevalent tonight and
Monday. Gusty south wind 10-20 knots will ease Monday morning.
Schneider
&&
.MARINE...A front over the area tonight will bring small craft
advisory strength winds to most waters. Gales in Puget Sound are
expected to end after midnight as winds begin to ease. A westerly
surge is expected in the Strait of Juan de Fuca later tonight.
The front will sag south Monday with winds generally easing. A
second vigorous frontal system will move through the area Monday
night and Tuesday with a warm front lifting north through the area
Monday night and a cold front shifting inland Tuesday.
An associated deepening surface low will move across the area
Tuesday. This will likely bring gales to at least some waters.
Models differ on the track of the low which will affect which
areas get the strongest winds and makes the wind forecast a bit
tricky. For now, the expectation is the low will make landfall
along the north coast with the strongest winds to the south.
Offshore flow will develop Wednesday and continue Thursday and
Friday. Schneider
&&
HYDROLOGY...River flooding is not expected the next 7 days.
&&
.SEW WATCHES/WARNINGS/ADVISORIES...
WA...Winter Weather Advisory until 10 AM PST Monday for Cascades of
Snohomish and King Counties-Cascades of Whatcom and Skagit
Counties above 3500 feet.
Winter Storm Watch from Monday evening through late Tuesday
night for Cascades of Whatcom and Skagit Counties above 2500
feet.
Winter Storm Watch from Monday evening through Tuesday afternoon
for Olympics above 3000 feet.
PZ...Gale Watch from late Monday night through Tuesday afternoon for
Coastal Waters From James Island To Point Grenville 10 To
60 Nm-Coastal Waters From James Island To Point Grenville
Out 10 Nm-Coastal Waters From Point Grenville To Cape
Shoalwater 10 To 60 Nm-Coastal Waters From Point Grenville
To Cape Shoalwater Out 10 Nm.
Small Craft Advisory until 4 AM PST Monday for Coastal Waters
From Cape Flattery To James Island 10 To 60 Nm-Coastal
Waters From Cape Flattery To James Island Out 10 Nm-Coastal
Waters From James Island To Point Grenville 10 To 60 Nm-
Coastal Waters From James Island To Point Grenville Out 10
Nm-Coastal Waters From Point Grenville To Cape Shoalwater
10 To 60 Nm-Coastal Waters From Point Grenville To Cape
Shoalwater Out 10 Nm-Northern Inland Waters Including The
San Juan Islands-West Entrance U.S. Waters Strait Of Juan
De Fuca.
Small Craft Advisory until 10 AM PST Monday for Central U.S.
Waters Strait Of Juan De Fuca-East Entrance U.S. Waters
Strait Of Juan De Fuca.
Small Craft Advisory from 2 AM to 10 AM PST Monday for Admiralty
Inlet.
Small Craft Advisory until 6 AM PST Monday for Puget Sound and
Hood Canal.
Gale Warning until midnight PST tonight for Puget Sound and Hood
Canal.
&&
www.weather.gov/seattleThe office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 9:03 PM PST | Small Craft Advisory | SEW | 6 hr | |
| Dec 18, 3:03 AM PST | Small Craft Advisory | SEW | 63 hr | |
| Dec 18, 3:45 AM PST | Winter Storm Warning | SEW | 40 hr | |
| Dec 18, 3:39 PM PST | Wind Advisory | SEW | 21 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.