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12/26/2024

WT Staff

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December 26, 2024 851 am PST

High surf warnings for San Francisco, San Diego

High Surf Advisory issued by NWS San Francisco 534 am Thurs Dec 26

HIGH SURF ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 PM PST SUNDAY

Large breaking waves of 20 to 30 feet on the Pacific Coast, from 10 AM Thursday to 4 PM PST Sunday. Dangerous swimming and surfing conditions and localized beach erosion can be expected. Large waves can sweep across the beach without warning, pulling people into the sea from rocks, jetties and beaches.

Sudden immersion in cold water can result in cold water shock even for the most experienced swimmers. Cold water shock can result in dramatic changes in breathing, heart rate and blood pressure, greatly increasing the risk of drowning in rough open waters.

Inexperienced swimmers should remain out of the water due to dangerous surf conditions.

Impacting Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast

Streamflow Situation from the network of USGS river flow gauges in California
Mist, 46 degrees heading for a high Boxing Day 55 degrees at Visalia Municipal Airport in the Central Valley Region 5 watershed. High surf alert, up to 30 foot waves impacting Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay, Southern Monterey Bay and the Big Sur Coast. Downtown San Francisco is 50 degrees, a slight chance of rain coming before 1pm, high today 60 degrees. Later in the day, we will see another chance of rain after 5pm, no more than a tenth of an inch. Tonight, San Francisco will have rain with wind, gusting to 32 mph, up to three quarters of an inch possible. Mostly sunny, high 67 today in Los Angeles watershed. High surf advisory for San Diego west facing beaches extends to 4 pm Boxing Day, large breaking waves of 5 to 9 feet.

Streamflows run much above normal to high in the North Coast Region 1, a record high for Boxing Day in Trinity River at Lewiston, and below Limekiln Gulch near Douglas City. San Francisco, Central Coast and central valley watershed Region 5, are running above normal streamflows. Los Angeles to San Diego watersheds run seasonal normal levels, the interior Colorado River and Lahontan watershed regions water levels remain below seasonal normal. Lahontan continues with extreme drought in southeast Inyo County, with below normal rating applied to the rest of Inyo county. Colorado River watershed is rated below normal through San Bernardino, Riverside and Imperial Counties.









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