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Seattle Weather |
Pressure Over the Past 24 Hrs |
520 Bridge - Wind ReadingsPressure Gradients - Ferry Observations Wind Map - Westpoint Conditions |
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5 Day Outlook from the National Weather Service
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Current Seattle Radar - Base Reflectivity
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4 Km Infrared Satellite |
4 Km Water Vapor Satellite |
7 Day Forecast for Seattle - NWSTonight: Mostly clear, with a low around 39. East southeast wind between 5 and 8 mph. Tuesday: Mostly sunny, with a high near 54. East southeast wind between 5 and 7 mph. Tuesday Night: A 30 percent chance of rain after 10pm. Mostly cloudy, with a low around 37. Southeast wind between 5 and 7 mph. Wednesday: A 40 percent chance of rain. Cloudy, with a high near 50. Calm wind. Wednesday Night: A 30 percent chance of rain. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 38. Light east southeast wind. Thursday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 52. Thursday Night: Mostly cloudy, with a low around 38. Friday: A chance of rain. Mostly cloudy, with a high near 51. Friday Night: A chance of rain. Cloudy, with a low around 40. Saturday: A chance of rain. Mostly cloudy, with a high near 50. Saturday Night: A chance of rain. Mostly cloudy, with a low around 39. Sunday: Rain likely. Cloudy, with a high near 49. Sunday Night: Rain likely. Cloudy, with a low around 40. Monday: Rain likely. Cloudy, with a high near 49. |
Marine Forecast - NWS Zone ForcastsPuget Sound and Hood Canal-
300 PM PST Monday feb 6 2012Tonight: Northeast wind 10 to 20 kt. Wind waves 1 to 3 ft. Patchy fog
after midnight. Tuesday: East wind 5 to 15 kt. Wind waves 1 or 2 ft. Tuesday night: Southeast wind 10 kt. Wind waves 1 ft. A chance of rain after
midnight. Wednesday: S wind 10 kt. Wind waves 1 ft. Wednesday night: Southeast wind 10 kt. Wind waves 1 ft. Thursday: East wind 10 kt. Wind waves 1 ft. Thursday night: East wind 10 kt. Wind waves 1 ft. Friday: S wind 10 kt. Wind waves 1 ft. Friday night: Southwest wind 10 kt. Wind waves 1 ft. Saturday: Light wind. Wind waves less than 1 ft.
Admiralty Inlet-
300 PM PST Monday feb 6 2012Tonight: Southeast wind 5 to 15 kt. Wind waves 1 to 2 ft. Tuesday: Southeast wind 5 to 15 kt. Wind waves 1 to 2 ft. Tuesday night: Southeast wind 10 to 15 kt, rising to 15 to 25 kt after
midnight. Wind waves 1 or 2 ft, building to 2 to 4 ft. A chance of
rain after midnight. Wednesday: Southeast wind 15 to 25 kt. Wind waves 2 to 4 ft.Wednesday night: Southeast wind 5 to 15 kt. Wind waves 1 to 2 ft. Thursday: Southeast wind 5 to 15 kt. Wind waves 1 to 2 ft. Thursday night: Southeast wind 5 to 15 kt. Wind waves 1 to 2 ft. Friday: Southeast wind 10 to 15 kt. Wind waves 1 to 2 ft. Friday night: S wind 5 to 15 kt becoming light. Wind waves 2 ft or
less. Saturday: Light wind, becoming southeast to 10 kt. Wind waves 1 ft or less.
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Forecast Discussion - NWS - Glossary230 PM PST Monday feb 6 2012 Synopsis: Strong offshore flow will persist through Tuesday morning, for windy areas near the mountains. There is an increasing chance of rain Tuesday night and Wednesday as a weak front reaches the area. The weather patter will likely change to a more typical and wetter regime by next weekend. Short Term: The upper ridge is fading but the air will remain dry with strong offshore flow through Tuesday morning. The cross Cascade gradients remain arnd -10mb, a wind advisory for windy conditions for the east Puget Sound lowlands is in effect thru Tuesday morning, this is mainly near the approaches to the passes in the normally windy spots for easterly gap winds. Clouds will increase Tuesday night as a weak system reaches the area, the NAM forcast and GFS forcast have some rain developing Tuesday night and i have pushed the possibilities of precipitation up. A little rain is a good bet Wednesday morning, and depending on the model it could be damp Wednesday nite and Thursday morning. The GFS forcast has a pretty good ridge rebuilding Wednesday nite and Thursday so i pushed the fcst that direction. 19 Long Term: Additional weather systems will arrive late int he week, the details are up in the air but a trend back to pretty typical winter weather is likely. The GFS forcast has a shortwave arnd 00z Saturday, a transitory ridge Saturday nite, and a stronger system later on Sunday. The ecmwf has an upper trough Friday, the temporary ridge axis over Western Washington 00z Sunday, and is a notch quicker for the next shortwave coming in next Sunday. 19 Hydrology, no flooding is expected in the forecast area during the next 7 days. Aviation: An upper ridge will remain over the area through Tuesday with moderate to strong low level offshore flow tonight easing on Tuesday. Air mass dry and stable. Ksea, easterly wind 10 to 15 knots with gusts to 25 knots this evening, easing after midnight. schneider Marine: Strong offshore flow will persist, peaking tonight and easing on Tuesday. Gale force east winds will continue near the west entrance through Tuesday morning with small craft easterlies central strait and coastal waters. Weak fronts will move through the waters around Wednesday and Friday. schneider Watches/Warnings/Advisories: Wa, wind advisory east Puget Sound lowlands. pz, Gale Warning West entrance juan de fuca and pzz150. Small Craft Advisory Remaining coastal waters and central and eastern strait juan de fuca.
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Current/24 HR Pacific Surface Analysis from the NOAA Ocean Prediction CenterCurrent 500 mb chart from the NOAA Ocean Prediction Center |