Mild Winds and Moderate Seas for Southern California Coast
Mild Winds and Moderate Seas for Southern California Coast
US · Published Sep 30, 2026
• The National Weather Service in San Diego has issued a marine forecast for the coastal waters from San Mateo Point to the Mexican border, extending up to 60 nautical miles offshore.
• As of 1 PM PDT on September 29, 2026, a 1024 mb high-pressure system located 700 nautical miles west of Monterrey and a 998 mb low-pressure system over Prescott, Arizona, are influencing the region's weather.

Impact & Risks

The forecast indicates moderate marine conditions, with northwest winds potentially reaching 20 knots in the outer coastal waters. Mariners should be cautious of the robust coastal eddy forming tonight, which could impact navigation. Wave heights are expected to range from 3 to 6 feet, with varying directions and periods, which may pose challenges for smaller vessels. These conditions could also affect recreational activities along the coast, including swimming and boating.

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