The National Weather Service (NWS) of San Francisco has issued a Coastal Flood Advisory warning the public about potential minor coastal flooding from 9 PM Thursday through 2 AM Friday along the bayshore areas of San Francisco Bay and San Pablo Bay. The advisory notes the likelihood of high tide conditions tonight and urges people to avoid driving around barricades or through waters when the depth is uncertain, as per the National Weather Service.
In their latest Area Forecast Discussion, the NWS also highlighted a continuing trend of below-normal temperatures through the weekend, with a modest warming pattern anticipated early next week. The same discussion provides detailed forecasts, mentioning the "ill-looking marine layer - patchy and nonuniform," which suggests an earlier dissipation time as it has become too deep to sustain itself effectively. As a result of these conditions, areas such as Sausalito, Tam Valley, and Manzanita may experience localized nuisance flooding.
Looking ahead into the weekend, the weakened cutoff low off the coast is expected to convert into an open wave on Saturday. The NWS remarks indicate San Jose might challenge its record low maximum temperature of 73 degrees, a record held since 1955. This comes as ensemble clusters show harmony through Sunday, when a rise in atmospheric heights is forecasted, bringing about some warming through the following Tuesday.
Maritime conditions, as reported by the NWS, will include a moderate northwest breeze developing on Friday and steadier winds in the San Francisco and Monterey Bays, occasionally producing whitecaps. A persistently deep marine layer looks to extend this pattern of cool and cloudy coastal conditions, along with the possibility of drizzle for an extended period, with slight seas expected over the weekend.
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