National Weather Service United States Department of Commerce

Arctic air to drop temperatures across the northern Plain and northern Rockies; will bring snow to the Intermountain West

An arctic front is forecast to plunge through the northern Plains and northern Rockies on Saturday bringing a drastic drop in temperatures across these areas with a burst of snow over much of the Intermountain Region. Arctic air will also filter into the Pacific Northwest bringing with it snow showers and subfreezing low temperatures.
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10NM SSE San Diego CA

Marine Point Forecast [NOTICE]

Overnight

Dense Fog

Light Wind
< 1ft

Saturday

Patchy Fog

Light Wind
< 1ft

Saturday
Night

Chance Drizzle

Light Wind
< 1ft

Sunday

Slight Chc Showers

S 10kt
< 1ft

Sunday
Night

Slight Chc Showers

Light Wind
< 1ft

Monday

Slight Chc Showers

Light Wind
< 1ft

Monday
Night

Chance Showers

Light Wind
< 1ft

Tuesday

Heavy Rain

S 10kt
< 1ft

Tuesday
Night

Heavy Rain

SSW 10kt
< 1ft

Associated Zone Forecast which includes this point

Last Update: 9:30 pm PST Nov 28, 2014
Forecast Valid: 12am PST Nov 29, 2014-6pm PST Dec 5, 2014

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Detailed Forecast



  • SynopsisAT 800 PM...A 1013 MB LOW WAS OVER THE LOWER COLORADO RIVER VALLEY. AREAS OF DENSE FOG TONIGHT FROM A SHALLOW MARINE LAYER. A COASTAL EDDY WILL LIFT THE MARINE LAYER LATER TONIGHT FOR IMPROVING VISIBILITIES SATURDAY MORNING. THE EDDY WILL CONTINUE THE SOUTHERLY SURFACE WINDS THROUGH SUNDAY. RAIN IS POSSIBLE EARLY NEXT WEEK WITH THE BEST CHANCES FOR SIGNIFICANT RAIN TUESDAY.
  • Overnight Variable winds 5 kt or less. Areas of dense fog. . Wind waves 1 ft or less.
  • Saturday Variable winds 5 kt or less. Patchy fog before 10am. . Wind waves 1 ft or less.
  • Saturday Night Variable winds 5 kt or less. A chance of drizzle after 10pm. . Wind waves 1 ft or less.
  • Sunday SE wind around 10 kt becoming S in the afternoon. A slight chance of showers. . Wind waves 1 ft or less.
  • Sunday Night Variable winds 5 kt or less. A slight chance of showers before 10pm. . Wind waves 1 ft or less.
  • Monday Variable winds 5 kt or less. A slight chance of showers after 4pm. . Wind waves 1 ft or less.
  • Monday Night Variable winds 5 kt or less. A chance of showers, mainly after 10pm. . Wind waves 1 ft or less.
  • Tuesday ESE wind 5 to 10 kt becoming S in the morning. Showers likely. The rain could be heavy at times. . Wind waves 1 ft or less.
  • Tuesday Night SSW wind around 10 kt becoming SSE in the evening. Rain likely. The rain could be heavy at times. W swell 5 ft. Wind waves 1 ft or less.
*Notices:
  1. This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
  2. The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.