Heavy Snow and Disruptive Ice in the Upper Midwest; Severe Thunderstorms in the Southern Plains

A late season winter storm will produce a combination of heavy snow and disruptive ice starting this evening in the Northern Plains and moving into the Upper Midwest and Great Lakes by tonight continuing through Thursday. Severe thunderstorms will likely produce severe wind gusts, large hail, a few tornadoes, and heavy rainfall across the southern and central Plains today. Read More >

Hazardous Weather Conditions

Small Craft Advisory in effect from April 1, 03:00 PM PDT until April 3, 03:00 AM PDT

For More Weather Information:

San Francisco Bay Area/Monterey, CA Local Forecast Office

15NM SSW San Francisco CA

Marine Point Forecast

[NOTICE]

Today
SW 18kt
2-3ft

Small Craft Advisory
Tonight
NW 19kt
2-4ft

Small Craft Advisory
Thursday
NNW 20kt
5-6ft

Small Craft Advisory
Thursday Night
NW 24kt
8ft

Small Craft Advisory
Friday
NW 13kt
6ft
Friday Night
NW 14kt⇓
5ft
Saturday
NE 10kt
4ft
Saturday Night
NW 6kt⇓
3-4ft
Sunday
⇑W 6kt
3ft

Associated Zone Forecast which includes this point

Last Update: 2:36 am PDT Apr 1, 2026
Forecast Valid: 5am PDT Apr 1, 2026-6pm PDT Apr 7, 2026

View Nearby Observations

Detailed Forecast

Today

SW wind 11 to 18 kt. Rain likely, mainly before 4pm. Mixed swell...W 2 ft at 8 seconds and SSW 1 ft at 5 seconds. Wind waves 1 to 2 ft.

Tonight

SW wind 14 to 19 kt becoming NW after midnight. Rain, mainly before 1am. Mixed swell...WNW 1 ft at 12 seconds and SW 3 ft at 5 seconds building to at 12 seconds . Wind waves 2 to 3 ft.

Thursday

NNW wind 16 to 20 kt. Sunny. Mixed swell...WNW 2 ft at 10 seconds and SSW 1 ft at 12 seconds decreasing to at 9 seconds . Wind waves 3 to 4 ft.

Thursday Night

NW wind 15 to 24 kt. Mostly clear. Mixed swell...WNW 6 ft and SSW 1 ft. Wind waves around 4 ft.

Friday

NW wind 11 to 13 kt. Sunny. . Wind waves around 3 ft.

Friday Night

NW wind 9 to 14 kt becoming variable and less than 5 kt in the evening. Mostly clear. . Wind waves 2 to 3 ft.

Saturday

NE wind 6 to 10 kt. Mostly sunny. . Wind waves around 1 ft.

Saturday Night

NW wind around 6 kt becoming variable and less than 5 kt in the evening. Partly cloudy. . Waves 3 to 4 ft.

Sunday

Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Sunny. . Waves around 3 ft.

*Notices:

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.