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12/17/2024
WT Staff
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December 17, 2024 108 pm PST
Coastal Hazard Message - beware sneaker waves, rip current Wed
Coastal Hazard issued by NWS San Francisco 1234 pm PST Tues Dec 17
BEACH HAZARDS STATEMENT IN EFFECT FROM WEDNESDAY EVENING
THROUGH THURSDAY AFTERNOON...
A moderate to long period west to northwest swell will result in an increasing risk of sneaker waves and rip currents. Sneaker waves are likely to break between 10 to 13 feet.
Impacting San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast Counties.
Sneaker 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.
Remain out of the water to avoid hazardous swimming conditions.
Streamflow Situation from the network of USGS river flow gauges in California
Mist, 50 degrees at Visalia Municipal Airport with patchy fog, high 58 becoming dense fog tonight, low down to 41. Dense fog again tomorrow in the central valley. San Francisco local forecast office reporting 50 degrees on the way to a high 60 under sunny skies. See the coastal hazard statement above regarding sneaker waves coming tomorrow. Los Angeles reporting sunny and 72, clear and sunny in San Diego, 66 degrees.
Streamflows continue much above the seasonal normal in the north coastal watershed Region 1 and San Francisco watershed Region 2 shifting to normal to above seasonal normal through Los Angeles watershed with below normal flows coming through down to San Diego. Central to south interior watersheds run normal to below normal from Lahontan to Colorado River watershed. Lahontan watershed continues in extreme drought in the southeast Inyo County, Amargosa River channel. Below normal drought rating continues in Colorado River watershed San Bernardino, Riverside and Imperial Counties.
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