Dangerous Heat Wave for the West; Severe Storms and Heavy Rain for Upper Midwest

A sweltering and long duration heat wave will build across the West this weekend through much of next week. Excessive heat warnings/watches along with heat advisories are in effect from the Southwest to the Northwest. Dangerous heat is also persisting across the southern Plains. Meanwhile, severe storms are likely in the Upper Midwest with heavy rain/flooding, damaging winds, hail, and tornadoes.
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19NM S San Francisco CA

Marine Point Forecast

[NOTICE]
  • Today

    Sunny

    NW 12kt
    3ft
  • Tonight

    Clear

    NW 12ktWinds Decreasing
    3ft
  • Saturday

    Sunny

    Winds IncreasingW 6kt
    3ft
  • Saturday
    Night

    Partly Cloudy

    NW 10kt
    3ft
  • Sunday

    Partly Sunny

    WNW 12kt
    3ft
  • Sunday
    Night

    Mostly Cloudy

    WNW 7kt
    3ft
  • Monday

    Partly Sunny

    NW 9kt
    3ft
  • Monday
    Night

    Partly Cloudy

    NW 10kt
    3ft
  • Tuesday

    Mostly Sunny

    NW 11kt
    3-4ft

Associated Zone Forecast which includes this point

Last Update: 7:33 am PDT Aug 14, 2020
Forecast Valid: 9am PDT Aug 14, 2020-6pm PDT Aug 20, 2020

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Detailed Forecast


Synopsis: PZZ500-142215- 241 AM PDT Fri Aug 14 2020 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Scattered showers are over the southern waters and moving northward. Lightning activity has decreased on radar, but there remains a slight chance for an isolated thunderstorm through Friday afternoon, with the potential for locally gusty winds and rough seas near these storm cells. Moderate northwest winds are expected over the northern waters through the weekend. Prevailing seas remain mixed with a short period northwest swell and a longer period southerly swell. $$

Today
NW wind 9 to 12 kt. Sunny. Mixed swell...WNW 3 ft at 9 seconds and SW 1 ft at 17 seconds. Wind waves around 1 ft.
Tonight
NW wind 7 to 12 kt becoming variable and less than 5 kt after midnight. Clear. Mixed swell...WNW 3 ft at 8 seconds and SW 1 ft at 18 seconds. Wind waves around 1 ft.
Saturday
Variable winds less than 5 kt becoming W around 6 kt in the afternoon. Sunny. Mixed swell...WNW 3 ft at 8 seconds and SW 1 ft at 19 seconds. Wind waves around 1 ft.
Saturday Night
NW wind 6 to 10 kt. Partly cloudy. Mixed swell...WNW 3 ft and SW 1 ft. Wind waves around 1 ft.
Sunday
WNW wind 10 to 12 kt. Partly sunny. Mixed swell...WNW 3 ft and SW 1 ft. Wind waves around 1 ft.
Sunday Night
WNW wind 5 to 7 kt. Mostly cloudy. Mixed swell...WNW 3 ft and SW 1 ft. Wind waves around 1 ft.
Monday
NW wind 6 to 9 kt. Partly sunny. Mixed swell...WNW 3 ft and SW 1 ft. Wind waves around 1 ft.
Monday Night
NW wind 5 to 10 kt. Partly cloudy. Mixed swell...WNW 3 ft and SW 1 ft. Wind waves around 1 ft.
Tuesday
NW wind 5 to 11 kt. Mostly sunny. Mixed swell...WNW 4 ft and SW 1 ft. Wind waves around 1 ft.

.....SAN FRANCISCO BAR/FOURFATHOM BANK FORECAST..... IN THE DEEP WATER CHANNEL...Seas 3 to 5 ft with dominant swell period of 8 seconds. ACROSS THE BAR...Seas 4 to 6 ft with dominate swell period of 8 seconds. Maximum ebb current of 1.0 kt at 02:01 PM Friday and 2.4 kt at 01:43 AM Saturday.

*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.
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ABOUT THIS FORECAST

Point Forecast: 37.47°N 122.47°W
Last Update: 7:33 am PDT Aug 14, 2020
Forecast Valid: 9am PDT Aug 14, 2020-6pm PDT Aug 20, 2020
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