Central U.S. Waters Strait of Juan de Fuca Marine Forecast
| Today...E Wind 10 To 15 Kt, Rising To 15 To 20 Kt. Waves 3 To 4 Ft. A Slight Chance Of Rain Early This Morning, Then Rain Late This Morning And Afternoon. |
| Tonight...E Wind 15 To 20 Kt, Easing To 10 To 15 Kt After Midnight. Waves 3 To 4 Ft. Rain. |
| Sun...E Wind 5 To 10 Kt. Waves Around 2 Ft Or Less. Rain. |
| Sun Night...E Wind Around 5 Kt. Waves Around 2 Ft Or Less. Rain. |
| Mon...E Wind 5 To 10 Kt. Waves Around 2 Ft Or Less. Rain Likely, Mainly In The Morning. |
| Mon Night...Se Wind Around 5 Kt. Waves Around 2 Ft Or Less. A Chance Of Rain. |
| Tue...E Wind 5 To 10 Kt. Waves Around 2 Ft Or Less. A Chance Of Rain In The Morning, Then Rain Likely In The Afternoon. |
| Tue Night...E Wind 10 To 15 Kt. Waves Around 2 Ft Or Less, Then Around 3 Ft After Midnight. Rain. |
| Wed...E Wind 10 To 15 Kt. Waves Around 3 Ft. Rain. |
| Wed Night...Se Wind 5 To 10 Kt, Veering To Sw After Midnight. Waves Around 2 Ft Or Less. Rain Likely. |
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Area Forecast Discussion National Weather Service Seattle WA 421am PST Sat Feb 15 2025 Synopsis A frontal system will bring lowland rain and significant mountain snow this weekend. Wet and unsettled weather is expected to persist into next week, keeping lowland rain and mountain snow in the forecast. Short Term - Today through Monday Radar imagery shows some light isolated showers moving across Western Washington early this morning. An upper level trough is expected to move across Western Washington on Saturday bringing lowland rain and mountain snow through Monday morning. The latest model runs have shown an increase in snowfall accumulation in the Cascades. Probabilities of seeing at least 12 inches through Monday morning are 40% for Snoqualmie Pass and 70% for Stevens Pass. Snow levels are expected to gradually rise today and by Saturday night they will be around 2500 ft. By Sunday night, snow levels will increase to 3000-3500 ft. The heaviest snow is expected to occur Saturday afternoon through Sunday night. People traveling through the passes this weekend should monitor road conditions and prepare for slippery roads. In the lowlands, rainfall amounts will be around 0.50-0.75 inches along the interior and around 1.00-1.75 inches along the coast. Temperatures this weekend will gradually increase. By Sunday high temperatures will be in the upper 40s, while low temperatures will be in the upper 30s to low 40s. Long Term - Tuesday Through Friday Conditions are expected to remain wet as multiple weather systems are expected to move across Western Washington back to back through late next week, keeping lowland rain and mountain snow in the forecast. On Tuesday weak upper level ridging will move over the region and quickly exit as an incoming upper level trough is expected to push east into Western Washington on Wednesday. Conditions will briefly dry out Thursday night as another upper level ridge moves inland. The next weather system is expected to impact the region Friday night. Snow levels at the beginning of next week will be around 3000-3500 ft. On Wednesday snow levels will decrease to 2000-2500 ft and will begin to increase late in the week above 4000 ft. Temperatures will continue to increase next week. By the end of the work week, high temperatures will finally make it above 50 degrees. Low temperatures will generally be in the upper 30s to low 40s. MGF Marine Organized frontal system moving through the waters tonight followed by another system later Sunday. High pressure rebuilding later Monday into Tuesday. Another frontal system will arrive Wednesday. Small craft advisory winds developing along the coast this morning spreading into the entrances to the Strait of Juan de Fuca later this morning into this afternoon. Small craft advisory winds developing over the Northern Inland Waters tonight. Winds easing all waters Sunday. Seas remaining in the 9 to 14 foot range over the weekend into Monday. Seas subsiding Monday night into the 8 to 10 foot range before increase back up over 10 feet Tuesday night into Wednesday. Hydrology A storm system will move into Western Washington this weekend bringing in 1 to 2 inches of liquid precipitation to the region through Monday. Rivers are expected to rise with this incoming precipitation, but no flooding is forecast. The flood prone Skokomish River could rise into Action Stage by by tonight and remain elevated through next week. .CLIMATE...Some Seattle weather stats with the first half of February in the books. This has been the 2nd driest start to the year through February 14th in 81 years of records at Seattle-Tacoma airport. Rainfall total for 2025 is 2.55 inches, 5.23 inches below normal. The only year that started off drier through February 14th is 1976 with 2.46 inches. The average temperature for 2025 through February 14th is 37.6 degrees. This is the 11th coldest start in 81 years but the coldest start since 1989 with 37.3 degrees. This is the 4th coldest first half of February since 1945. The average temperature for the first half of the month is 34.1 degrees, 9.9 degrees below normal. The only colder years 1989 with 30.0 degrees, 1949 with 31.8 degrees and 2019 with 34.0 degrees. There have been 27 days so far this year with a low of 32 degrees or less. The normal for the entire year is 25. The 27 days with lows 32 or less for the first two months of the year is the highest total since there was 31 days in 1985. The 27 days is currently tied for the 10th most days with lows 32 degrees or less for the first two months of the year with half of February to go. NOAA Seattle WA Office: Watches - Warnings - Advisories WA...Winter Storm Warning from 10am this morning to 10am PST Monday for West Slopes North Cascades and Passes-West Slopes North Central Cascades and Passes-West Slopes South Central Cascades and Passes. PZ...Small Craft Advisory until 6pm PST Sunday 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 Grays Harbor Bar. Small Craft Advisory from 10am this morning to 4am PST Sunday for East Entrance U.S. Waters Strait Of Juan De Fuca- West Entrance USA Waters Strait Of Juan De Fuca. Small Craft Advisory from 6pm this evening to 6am PST Sunday for Northern Inland Waters Including The San Juan Islands. |
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