Lake-Effect Snow Downwind of Lake Ontario; Cold Temperatures in the Across the Northern High Plains

Lake effect snow will continue downwind of Lake Ontario through Monday, potentially dropping up to a foot of snow. A few inches of snow is possible downwind of Lake Erie. Arctic high pressure will usher in well below normal temperatures across the northern High Plains today through Monday. Temperatures are expected to be 20-30 degrees below normal before moderating Tuesday. Read More >

Last Update: 252 PM PST Sun Feb 9 2025

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12NM SW San Francisco CA

Marine Zone Forecast


This Afternoon
NW wind 5 to 10 kt. Seas 4 to 6 ft. Wave detail: W 5 ft at 9 seconds.
Tonight
NW wind 5 to 10 kt, becoming N after midnight. Seas 4 to 6 ft. Wave detail: W 5 ft at 10 seconds.
Mon
N wind around 5 kt, backing to NW in the afternoon. Seas 4 to 6 ft. Wave detail: W 6 ft at 10 seconds.
Mon Night
NW wind 10 to 15 kt. Seas 5 to 7 ft. Wave detail: W 7 ft at 10 seconds and SW 2 ft at 10 seconds. A slight chance of very light drizzle after midnight.
Tue
NW wind 10 to 15 kt, rising to 15 to 20 kt in the afternoon. Seas 5 to 7 ft. Wave detail: W 7 ft at 10 seconds. A slight chance of very light drizzle in the morning, then a chance of very light drizzle in the afternoon.
Tue Night
NW wind 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas 5 to 7 ft, subsiding to 3 to 5 ft after midnight. Wave detail: W 6 ft at 8 seconds. A chance of drizzle in the evening. Rain likely.
Wed
E wind 10 to 15 kt. Seas 3 to 5 ft. Wave detail: SW 2 ft at 7 seconds and W 5 ft at 13 seconds. Rain likely.
Wed Night
SE wind 10 to 15 kt, becoming S 20 to 25 kt after midnight. Seas 5 to 7 ft. Wave detail: SW 3 ft at 9 seconds and W 6 ft at 15 seconds. Rain.
Thu
S wind 20 to 25 kt. Seas 7 to 10 ft. Wave detail: S 6 ft at 8 seconds and W 7 ft at 15 seconds. Rain.
Thu Night
SW wind 15 to 20 kt. Seas 7 to 10 ft, building to 9 to 13 ft after midnight. Wave detail: S 5 ft at 11 seconds and SW 12 ft at 15 seconds. Rain.

.....san francisco bar/fourfathom bank forecast.....

in the deep water channel...mixed seas of 6 to 8 ft at 10 seconds.

across the bar...mixed seas of 8 to 11 ft at 14 seconds. Maximum ebb current of 1.7 kt at 02:39 am monday and 2.9 kt at 02:46 pm monday.



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252 PM PST Sun Feb 9 2025
 
 

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