Marine Weather Net

San Mateo Point CA to the Mexican Border and out 30 NM Marine Forecast


TONIGHT

NW
WINDS
10
KNOTS

THU

W
WINDS
10
KNOTS

THU NIGHT

W
WINDS
10
KNOTS

FRI

VARIABLE
WINDS < 10
KNOTS

The Marine Weather Forecast In Detail:
PZZ750 Forecast Issued: 1252 PM PDT Wed Mar 19 2025

Tonight...Wind Nw 10 Kt. Seas 3 To 4 Ft. Wave Detail: Nw 2 Ft At 4 Seconds, W 3 Ft At 12 Seconds And S 1 Foot At 14 Seconds.
Thu...Wind W 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 2 Ft At 4 Seconds, W 3 Ft At 7 Seconds And S 1 Foot At 16 Seconds.
Thu Night...Wind W 10 Kt In The Evening...Becoming Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 7 Seconds And S 1 Foot At 17 Seconds.
Fri...Wind Variable Less Than 10 Kt...Becoming W 10 Kt In The Afternoon. Seas 3 To 4 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 12 Seconds And S 1 Foot At 15 Seconds.
Fri Night...Wind Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 12 Seconds And S 2 Ft At 16 Seconds.
Sat...Wind Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 3 Ft At 13 Seconds And S 2 Ft At 15 Seconds.
Sat Night...Wind Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 12 Seconds And S 2 Ft At 15 Seconds.
Sun...Wind Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 3 Ft At 12 Seconds And S 2 Ft At 14 Seconds.
Sun Night...Wind Variable Less Than 10 Kt. Seas 3 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 12 Seconds And S 2 Ft At 14 Seconds.
Mon...Wind Variable Less Than 10 Kt. Seas 3 Ft. Wave Detail: W 1 Foot At 4 Seconds, S 2 Ft At 14 Seconds And W 2 Ft At 15 Seconds.
Mon Night...Wind Variable Less Than 10 Kt. Seas 3 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 2 Ft At 14 Seconds And S 2 Ft At 14 Seconds.
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Area Forecast Discussion
National Weather Service San Diego CA
451pm PDT Tuesday September 1 2026

Synopsis
Cooler and drier weather will continue for inland areas this week, with high temperatures as much as 5 to 10 degrees below average through Friday. Lowest daytime relative humidity for the deserts will fall to 10 to 15 percent through Thursday. Southwest to west winds will gust 25 to 35 mph during the afternoons and early evenings through Thursday, with near critical fire weather conditions on the desert slopes of the mountains. Warmer and more humid for the Labor Day weekend. Mid and high level moisture from the tropics could interact with a trough of low pressure near the California coast, bringing a chance for showers and a slight chance of thunderstorms during the weekend.

For Extreme Southwestern California Including Orange... San Diego...Western Riverside and Southwestern San Bernardino Counties
Marine
No hazardous marine conditions are expected through Saturday. Wind gusts around 20 knots are expected each afternoon and evening through Thursday in the vicinity of San Clemente Island.

Beaches
Southerly swells from tropical cyclones will continue this week. A large south swell from Tropical Storm Marie will move into the region this Saturday, likely peaking Sunday-Monday. While there is uncertainty in the exact track of Marie which could result in differences in swell and surf direction and height, this will very likely result in elevated to high surf and strong rip and longshore currents for south and southwest-facing beaches. At this point, maximum surf of 6-10 feet is forecast for south/southwest beaches, with the potential for higher sets. This combined with higher-end astronomical tides will increase the potential for tidal overflow and coastal flooding Sat-Mon, highest chances Monday. Stay tuned as details become clearer in coming days.

NOAA San Diego CA Office: Watches - Warnings - Advisories
CA...None. PZ...None.

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