Coastal Flood Advisory
Coastal Hazard Message
National Weather Service San Francisco CA
208 PM PST Tue Dec 30 2025
CAZ006-505-506-508-509-529-530-311300-
/O.CON.KMTR.CF.Y.0017.251231T1300Z-260104T2200Z/
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-
208 PM PST Tue Dec 30 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 5 AM WEDNESDAY
TO 2 PM PST SUNDAY...
* 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Diego CA
1153 AM PST Tue Dec 30 2025
PZZ740-745-311415-
/O.NEW.KSGX.SC.Y.0026.260101T0300Z-260101T2300Z/
Coastal Waters from San Mateo Point to the Mexican Border and out
to 10 nm-
Waters from San Mateo Point to the Mexican Border Extending 10 to
60 nm out including San Clemente Island-
1153 AM PST Tue Dec 30 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM WEDNESDAY TO 3 PM PST
THURSDAY...
* WHAT...South winds 10 to 20 kt with gusts up to 25 kt and choppy
combined seas 4 to 6 ft.
* WHERE...Coastal Waters from San Mateo Point to the Mexican
border and out to 10 nm and waters from San Mateo Point to the
Mexican border extending 10 to 60 nm out, including San
Clemente Island.
* WHEN...From 7 PM Wednesday to 3 PM PST Thursday.
* IMPACTS...Conditions will be hazardous to small craft.
* ADDITIONAL DETAILS...Winds peak Thursday morning into the early
afternoon.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
223 PM PST Tue Dec 30 2025
CAZ335-310630-
/O.EXT.KHNX.WI.Y.0043.000000T0000Z-260101T0300Z/
Grapevine-
Including the cities of Lebec and Grapevine
223 PM PST Tue Dec 30 2025
...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM PST WEDNESDAY...
* WHAT...Southeast winds 25 to 35 mph with gusts up to 45 mph.
* WHERE...Grapevine along I-5 to Tejon Pass.
* WHEN...Until 7 PM PST Wednesday.
* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.
&&
$$
KM
Flood Watch
Flood Watch
National Weather Service San Diego CA
737 PM PST Tue Dec 30 2025
CAZ048-055-057-552-554-311415-
/O.CON.KSGX.FA.A.0008.260101T0600Z-260102T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Bernardino and Riverside County Valleys-The Inland Empire-San
Bernardino County Mountains-Santa Ana Mountains and Foothills-
Orange County Coastal Areas-Orange County Inland Areas-
Including the cities of Crestline, Fontana, Big Bear City, Lake
Arrowhead, Anaheim, Riverside, Fullerton, Ontario, San Clemente,
Corona, Rancho Cucamonga, Costa Mesa, San Bernardino, Irvine,
Mission Viejo, Big Bear Lake, Moreno Valley, Garden Grove,
Orange, Huntington Beach, Wrightwood, Laguna Beach, Newport
Beach, Running Springs, and Santa Ana
737 PM PST Tue Dec 30 2025
...FLOOD WATCH REMAINS IN EFFECT FROM WEDNESDAY EVENING THROUGH
THURSDAY EVENING...
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of Southwest California, including the following
areas, Orange County Coastal Areas, Orange County Inland Areas,
San Bernardino County Mountains, San Bernardino and Riverside
County Valleys-The Inland Empire and Santa Ana Mountains and
Foothills.
* WHEN...From Wednesday evening through Thursday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded. Minor flooding and debris flows possible
in and below recent burn scars.
* ADDITIONAL DETAILS...
- A warm low pressure system from the southwest will bring
periods of moderate to locally heavy precipitation Wednesday
night through Thursday evening. Most of the heavy showers are
likely to occur Thursday morning. High soil moisture from
last week`s heavy rainfall and will exacerbate the flooding
threat in the watch area.
- https://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
Be alert in the mountains for rockslides and rocks in the road.
&&
$$
SS
Flood Watch
National Weather Service Hanford CA
138 PM PST Tue Dec 30 2025
.A very warm Pacific storm for this time of year, will move onshore,
producing rainfall into the mountains and deserts of southern and
eastern Kern County.
CAZ333>339-310945-
/O.NEW.KHNX.FA.A.0014.260101T0600Z-260102T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Piute Walker Basin-Tehachapi-Grapevine-Frazier Mountain
Communities-Indian Wells Valley-Mojave Desert Slopes-Mojave
Desert-
Including the cities of California City, Tehachapi, Rosamond,
Mojave, Lebec, Ridgecrest, Randsburg, Inyokern, Frazier Park,
Grapevine, and Edwards AFB
138 PM PST Tue Dec 30 2025
...FLOOD WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
EVENING...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...A portion of central California, including the following
areas, Borel Burn Scar, Havilah, Frazier Mountain Communities,
Pine Mountain Club, Mt. Pinos, Indian Wells Valley, Mojave Desert,
Mojave Desert Slopes, Piute Walker Basin and Tehachapi.
* WHEN...From Wednesday evening through Thursday evening.
* IMPACTS...Communities damaged from last week`s heavy rainfall are
very susceptible to additional impacts. Excessive runoff may
result in flooding of roads and low-lying, flood-prone locations.
Low-water crossings may be flooded. Debris flows are possible near
burn scars. Rock and mudslides may occur. Extensive street
flooding is possible. Area creeks and streams are running high and
could flood with more heavy rain.
* ADDITIONAL DETAILS...
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
KM
Flood Watch
National Weather Service Los Angeles/Oxnard CA
1126 AM PST Tue Dec 30 2025
CAZ088-349>358-362-366>382-548-311400-
/O.NEW.KLOX.FA.A.0011.260101T0600Z-260102T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Santa Clarita Valley-Santa Barbara County Southwestern Coast-
Santa Barbara County Southeastern Coast-Santa Ynez Mountains
Western Range-Santa Ynez Mountains Eastern Range-Santa Barbara
County Interior Mountains-Ventura County Beaches-Ventura County
Inland Coast-Lake Casitas-Ojai Valley-Central Ventura County
Valleys-Malibu Coast-Los Angeles County Beaches-Palos Verdes
Hills-Los Angeles County Inland Coast including Downtown Los
Angeles-Western Santa Monica Mountains Recreational Area-Eastern
Santa Monica Mountains Recreational Area-Calabasas and Agoura
Hills-Western San Fernando Valley-Eastern San Fernando Valley-
Southeastern Ventura County Valleys-Santa Susana Mountains-
Southern Ventura County Mountains-Northern Ventura County
Mountains-Interstate 5 Corridor-Western San Gabriel Mountains and
Highway 14 Corridor-Eastern San Gabriel Mountains-Western
Antelope Valley Foothills-Eastern Antelope Valley Foothills-Los
Angeles County San Gabriel Valley-
Including the cities of Topatopa Mountains, Refugio State Beach,
Mount Wilson, Wrightwood, Hollywood, Big Pine Mountain, Culver
City, San Gabriel, East Ventura, Gorman, Pomona, Moorpark,
Figueroa Mountain, Santa Barbara, Mill Creek, Simi Valley, Ozena,
Norwalk, Newbury Park, Torrance, Beverly Hills, Piru, Oxnard, The
Angeles Crest Highway, Malibu Lake, Long Beach, Goleta, Oat
Mountain, Downey, La Canada Flintridge, Pasadena, El Capitan
State Beach, Woodland Hills, Northridge, Fillmore, Camarillo,
Sunland, Lake Castaic, Oak View, Westlake Village, Rancho Palos
Verdes, Malibu Bowl, Llano, Warm Springs, San Rafael Mountain,
Lake Palmdale, Acton, Pacific Palisades, Valencia, Mount Baldy,
Newhall, Montecito, Ojai, Meiners Oaks, Thousand Oaks, El Monte,
Port Hueneme, LAX, Compton, Gaviota, Pyramid Lake, Universal
City, Pearblossom, Santa Clarita, Chatsworth, Valyermo, Burbank,
Malibu, Matilija, Montecito Hills, Jalama Beach, Glendale, Van
Nuys, Tejon Pass, Topanga, Elizabeth Lake, Santa Paula, Rose
Valley, East Los Angeles, San Marcos Pass, Redondo Beach, Santa
Monica, Point Mugu, Carpinteria, Ventura, Lockwood Valley, and
Mount Pinos
1126 AM PST Tue Dec 30 2025
...FLOOD WATCH IN EFFECT FROM WEDNESDAY EVENING THROUGH THURSDAY
EVENING...
* WHAT...Flooding caused by excessive rainfall is possible.
* WHERE...A portion of southwest California, including the following
areas, Calabasas and Agoura Hills, Central Ventura County Valleys,
Eastern Antelope Valley Foothills, Eastern San Fernando Valley,
Eastern San Gabriel Mountains, Eastern Santa Monica Mountains
Recreational Area, Interstate 5 Corridor, Lake Casitas, Los
Angeles County Beaches, Los Angeles County Inland Coast including
Downtown Los Angeles, Los Angeles County San Gabriel Valley,
Malibu Coast, Northern Ventura County Mountains, Ojai Valley,
Palos Verdes Hills, Santa Barbara County Interior Mountains, Santa
Barbara County Southeastern Coast, Santa Barbara County
Southwestern Coast, Santa Clarita Valley, Santa Susana Mountains,
Santa Ynez Mountains Eastern Range, Santa Ynez Mountains Western
Range, Southeastern Ventura County Valleys, Southern Ventura
County Mountains, Ventura County Beaches, Ventura County Inland
Coast, Western Antelope Valley Foothills, Western San Fernando
Valley, Western San Gabriel Mountains and Highway 14 Corridor and
Western Santa Monica Mountains Recreational Area.
* WHEN...From Wednesday evening through Thursday evening.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Flooding may occur in poor drainage and urban areas. Low-water
crossings may be flooded. Debris flow are possible near recent
burn scars. There is a high risk of rock and mudslides in the
canyons.
* ADDITIONAL DETAILS...
- A strong winter storm will bring moderate to heavy rainfall
to the area Wednesday night and Thursday. Given the
antecedent conditions from last week`s rain, the forecast
rainfall totals and intensities could generate some
significant hydrologic impacts.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop.
&&
$$
RAT
