Excessive Heat Continues for the Pacific Northwest; Flooding Impacts Expected in the Southwest U.S.

A dangerous heat wave persists for the Northwest into portions of California today with excessive heat warnings and heat advisories in effect. The active monsoon pattern with organized showers and thunderstorms and possible flash flooding with debris flows continues and will become enhanced in the Southwestern U.S. through Saturday.
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Hazardous Weather Conditions

For More Weather Information:

Miami - South Florida Local Forecast Office

9NM E South Palm Beach FL

Marine Point Forecast

[NOTICE]
  • Tonight

    Chance Thunderstorms

    S 13kt
    1ft

    Low: 82 °F

  • Friday

    Slight Chc Thunderstorms

    SSE 9kt
    1ft

    High: 87 °F

  • Friday
    Night

    Slight Chc Thunderstorms

    SE 11kt
    2ft

    Low: 84 °F

  • Saturday

    Chance Thunderstorms

    ESE 10kt
    2ft

    High: 87 °F

  • Saturday
    Night

    Chance Thunderstorms

    E 12kt
    2ft

    Low: 84 °F

  • Sunday

    Chance Thunderstorms

    E 11kt
    2ft

    High: 87 °F

  • Sunday
    Night

    Chance Thunderstorms

    E 12kt
    2ft

    Low: 84 °F

  • Monday

    Chance Thunderstorms

    E 10kt
    2ft

    High: 86 °F

  • Monday
    Night

    Chance Thunderstorms

    E 10kt
    2ft

    Low: 84 °F


High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 3:40 pm EDT Aug 18, 2022
Forecast Valid: 5pm EDT Aug 18, 2022-6pm EDT Aug 25, 2022

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Detailed Forecast


Synopsis: A frontal boundary near the Florida/Georgia border will remain nearly stationary through tonight as high pressure stays south of the region. The front will then begin to move north on Friday as a ridge of high pressure moves over the local waters, and eventually across Central and North Florida this coming weekend. Southwest to west winds will become east to southeast and slightly increase by the weekend.

Gulf Stream Hazards...Locally elevated winds and/or seas near thunderstorms.

The approximate location of the west wall of the Gulf Stream as of Aug 18, 2022 at 12 UTC...

12 nautical miles east southeast of Lake Worth. 13 nautical miles northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
SSE wind 10 to 13 kt becoming SW in the evening. A chance of showers and thunderstorms, mainly before 11pm. Seas around 1 ft. Dominant period 3 seconds. Intracoastal waters a light chop.
Friday
SSW wind 6 to 9 kt becoming SSE in the afternoon. A slight chance of showers and thunderstorms after 3pm. Seas around 1 ft. Dominant period 9 to 10 seconds. Intracoastal waters smooth becoming a light chop.
Friday Night
SE wind 9 to 11 kt. A slight chance of showers and thunderstorms before 8pm. Seas around 2 ft. Dominant period 8 to 9 seconds. Intracoastal waters a light chop.
Saturday
ESE wind around 10 kt. A chance of showers and thunderstorms after 9am. Seas around 2 ft. Dominant period 8 seconds. Intracoastal waters a light chop.
Saturday Night
E wind 10 to 12 kt. A chance of showers and thunderstorms, mainly before 9pm. Seas around 2 ft. Intracoastal waters a light chop.
Sunday
E wind around 11 kt. A chance of showers and thunderstorms after 9am. Seas around 2 ft. Intracoastal waters a light chop.
Sunday Night
E wind around 12 kt. A chance of showers and thunderstorms, mainly before 9pm. Seas around 2 ft. Intracoastal waters a light chop.
Monday
E wind around 10 kt. A chance of showers and thunderstorms. Seas around 2 ft. Intracoastal waters a light chop.
Monday Night
E wind around 10 kt. A chance of showers and thunderstorms. Seas around 2 ft. Intracoastal waters a light chop.

*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: 26.62°N 79.88°W
Last Update: 3:40 pm EDT Aug 18, 2022
Forecast Valid: 5pm EDT Aug 18, 2022-6pm EDT Aug 25, 2022
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