Winter weather forecast from Great Lakes to Northeast, Four Corners region
Snow is expected Thursday and Friday from the Great Lakes to the Northeast, as a clipper system moves across the region. This will be nothing like the nor'easter that brought up to three feet of snow to parts of the Northeast earlier this week, as snowfall totals of six inches or less are expected. Snow and freezing rain are forecast for parts of the Four Corners region through the weekend.
30NM WNW San Francisco CA
Marine Point Forecast [NOTICE]
- SynopsisTHE SURFACE PRESSURE GRADIENT WILL STRENGTHEN TODAY RESULTING IN
INCREASING NORTHWESTERLY WINDS. WINDS WILL BE STRONGEST TONIGHT
THROUGH EARLY SATURDAY MORNING...ESPECIALLY OVER THE OUTER WATERS.
THE SURFACE PRESSURE GRADIENT WILL WEAKEN ON SATURDAY PROMOTING
GENERALLY LIGHT WINDS THROUGH THE WEEKEND. A LONG PERIOD WESTERLY
SWELL WILL PASS THROUGH THE WATERS TODAY. THIS LONG PERIOD SWELL
WILL RESULT IN BREAKING WAVES AT REEFS AND SANDBARS ALONG THE
COAST TODAY...ESPECIALLY DURING TIMES OF LOW TIDE.
- Today NW wind 8 to 11 kt. Mostly sunny. W swell 4 ft at 18 seconds. Wind waves around 1 ft.
- Tonight NW wind around 17 kt. Partly cloudy. WNW swell 5 ft at 17 seconds. Wind waves around 2 ft.
- Friday NW wind 12 to 15 kt. Mostly sunny. WNW swell 5 ft at 16 seconds. Wind waves 1 to 2 ft.
- Friday Night NW wind around 15 kt. Mostly clear. W swell 6 ft. Wind waves around 2 ft.
- Saturday NNW wind around 9 kt. Sunny. W swell 6 to 7 ft. Wind waves around 1 ft.
- Saturday Night NW wind 11 to 14 kt. Mostly clear. W swell 5 to 6 ft. Wind waves 1 to 2 ft.
- Sunday NW wind 5 to 8 kt becoming variable and less than 5 kt in the morning. Partly sunny. W swell 5 ft. Wind waves around 1 ft.
- Sunday Night Variable winds 5 kt or less. Mostly cloudy. W swell 3 ft. Wind waves around 1 ft.
- Monday NNW wind around 7 kt. Partly sunny. WNW swell 5 ft. Wind waves around 1 ft.
.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...COMBINED SEAS 4 TO 5 FEET WITH A DOMINANT SWELL PERIOD OF 18 SECONDS. ACROSS THE BAR...COMBINED SEAS 5 TO 6 FEET WITH A DOMINANT SWELL PERIOD OF 18 SECONDS. MAXIMUM EBB CURRENT OF 2.1 KNOTS AT 11:19 AM THIS MORNING AND 1.1 KNOTS AT 12:02 AM EARLY FRIDAY MORNING.
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.
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.
HOURLY WEATHER GRAPH
NATIONAL DIGITAL FORECAST DATABASE