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WARNINGS - WATCHES - ADVISORIES - STATEMENTS
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 COASTAL FLOOD ADVISORY |
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| Los Angeles County | ||
| Effective: Tue, 12/30 2:08pm | Severity: Minor | |
| Updated: December 30, 2025 3:00 pm | Urgency: Expected | |
| Expires: Wed, 12/31 5:00am | Certainty: Likely | |
| Areas Affected: San Francisco - Coastal North Bay Including Point Reyes National Seashore - North Bay Interior Valleys - San Francisco Bay Shoreline - San Francisco Peninsula Coast - Northern Monterey Bay - Southern Monterey Bay and Big Sur Coast | ||
Alert
Details:
* WHAT...Up to 1.8 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco Bay and San Pablo Bay shoreline, Monterey Bay shoreline, and the Pacific Coast. * WHEN...From 5 AM Wednesday to 2 PM PST Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.5 ft above normal (7.36 ft MLLW) at 7:51 AM Wednesday 12/31 1.7 ft above normal (7.55 ft MLLW) at 8:41 AM Thursday 1/1 1.8 ft above normal (7.66 ft MLLW) at 9:34 AM Friday 1/2 1.8 ft above normal (7.63 ft MLLW) at 10:26 AM Saturday 1/3 1.6 ft above normal (7.42 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include 0.5 feet of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively. Information: If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. |
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| COASTAL FLOOD ADVISORY |
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| Marin County | ||
| Effective: Tue, 12/30 2:08pm | Severity: Minor | |
| Updated: December 30, 2025 3:00 pm | Urgency: Expected | |
| Expires: Wed, 12/31 5:00am | Certainty: Likely | |
| Areas Affected: San Francisco - Coastal North Bay Including Point Reyes National Seashore - North Bay Interior Valleys - San Francisco Bay Shoreline - San Francisco Peninsula Coast - Northern Monterey Bay - Southern Monterey Bay and Big Sur Coast | ||
Alert
Details:
* WHAT...Up to 1.8 ft of inundation above ground level is possible in low-lying areas near shorelines and tidal waterways. * WHERE...San Francisco Bay and San Pablo Bay shoreline, Monterey Bay shoreline, and the Pacific Coast. * WHEN...From 5 AM Wednesday to 2 PM PST Sunday. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. * ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide is expected to be: 1.5 ft above normal (7.36 ft MLLW) at 7:51 AM Wednesday 12/31 1.7 ft above normal (7.55 ft MLLW) at 8:41 AM Thursday 1/1 1.8 ft above normal (7.66 ft MLLW) at 9:34 AM Friday 1/2 1.8 ft above normal (7.63 ft MLLW) at 10:26 AM Saturday 1/3 1.6 ft above normal (7.42 ft MLLW) at 11:18 AM Sunday 1/4 These predictions include 0.5 feet of storm surge that will enhance the astronomical tide and flooding threat. High tide varies up to 90 minutes earlier or later along the Pacific Coast and through the San Francisco Bay, respectively. Information: If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. |
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