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

Hazardous Weather Outlook

For More Weather Information:

Miami - South Florida Local Forecast Office

11NM ESE South Palm Beach FL

Marine Point Forecast

[NOTICE]

Late
Afternoon
S 12kt
1ft
High: 87 °F
Tonight

S 13kt
1ft
Low: 82 °F
Friday

SE 10kt
1ft
High: 87 °F
Friday
Night
ESE 11kt
2ft
Low: 85 °F
Saturday

ESE 11kt
2ft
High: 87 °F
Saturday
Night
E 12kt
2ft
Low: 84 °F
Sunday

E 11kt
2ft
High: 87 °F
Sunday
Night
E 12kt
2ft
Low: 84 °F
Monday

E 10kt
2ft
High: 87 °F

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 4:10 pm EDT Aug 18, 2022
Forecast Valid: 5pm EDT Aug 18, 2022-6pm EDT Aug 25, 2022

View Nearby Observations

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.

Late Afternoon

S wind around 12 kt. A chance of showers and thunderstorms. Seas around 1 ft. Dominant period 4 seconds. Intracoastal waters a light chop.

Tonight

S wind 10 to 13 kt. A chance of showers and thunderstorms, mainly before 10pm. Seas around 1 ft. Dominant period 3 seconds. Intracoastal waters a light chop.

Friday

SSW wind 6 to 10 kt becoming SE 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

ESE wind around 11 kt. Mostly clear. Seas around 2 ft. Dominant period 8 to 9 seconds. Intracoastal waters a light chop.

Saturday

ESE wind around 11 kt. A chance of showers and thunderstorms. Seas around 2 ft. Intracoastal waters a light chop.

Saturday Night

E wind around 12 kt. A slight chance of showers and thunderstorms before 2am. Seas around 2 ft. Intracoastal waters a light chop.

Sunday

E wind around 11 kt. A chance of showers and thunderstorms after 8am. Seas around 2 ft. Intracoastal waters a light chop.

Sunday Night

E wind around 12 kt. A slight chance of showers and thunderstorms. 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.

*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.