Cold Weather Advisory
URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
1035 AM PST Wed Dec 3 2025
CAZ323-326>328-330-331-032300-
/O.CON.KHNX.CW.Y.0001.000000T0000Z-251204T1700Z/
Yosemite NP outside of the valley-Upper San Joaquin River-Kaiser
to Rodgers Ridge-Kings Canyon NP-Sequoia NP-South End of the
Upper Sierra-
Including the cities of Lake Wishon, Johnsondale, Tuolumne
Meadows, Devils Postpile, Florence Lake, Wawona, Giant Forest,
Shaver Lake, Cedar Grove, Lodgepole, Lake Thomas Edison, and
Huntington Lake
1035 AM PST Wed Dec 3 2025
...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THURSDAY
FOR ELEVATIONS ABOVE 9000 FEET...
* WHAT...Very cold wind chills around 10 below zero expected for
elevations above 9000 feet.
* WHERE...Kaiser to Rodgers Ridge, Kings Canyon NP, Sequoia NP,
South End of the Upper Sierra, Upper San Joaquin River, and
Yosemite NP outside of the valley.
* WHEN...Until 9 AM PST Thursday.
* IMPACTS...Very cold temperatures can lead to hypothermia with
prolonged exposure.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Use caution while traveling outside. Wear appropriate clothing, a
hat, and gloves.
&&
$$
Coastal Flood Advisory
Coastal Hazard Message
National Weather Service San Francisco CA
353 AM PST Wed Dec 3 2025
CAZ006-529-530-040600-
/O.CON.KMTR.CF.Y.0016.000000T0000Z-251207T2300Z/
/O.CON.KMTR.BH.S.0021.000000T0000Z-251204T0600Z/
San Francisco-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
353 AM PST Wed Dec 3 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
SUNDAY...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...
* WHAT...For the Beach Hazards Statement, long period westerly
swell will result in an increased risk for sneaker waves and
strong rip currents. Breaking waves 10 to 14 feet, with long
lulls of 10 to 20 minutes or more between largest sets. For
the Coastal Flood Advisory, up to 1.4 ft of inundation above
ground level is possible in low lying areas near shorelines
and tidal waterways.
* WHERE...Bayshore locations along San Francisco and Monterey
Bay.
* WHEN...For the Coastal Flood Advisory, until 3 PM PST Sunday.
For the Beach Hazards Statement, through this evening.
* IMPACTS...For the Beach Hazards Statement, sneaker waves can
unexpectedly run significantly farther up the beach than
normal, including over rocks and jetties. Rip currents are
typically more frequent and stronger in the vicinity of
jetties, inlets, and piers. For the Coastal Flood Advisory,
flooding of lots, parks, and roads with only isolated road
closures expected.
* ADDITIONAL DETAILS...For the Coastal Flood Advisory, at the
San Francisco tidal gauge high tide is expected to be 1.2 ft
above normal (7.00 ft MLLW) at 9:04 AM Wednesday, 1.4 ft above
normal (7.20 ft MLLW) at 9:48 AM Thursday, 1.4 ft above normal
(7.23 ft MLLW) at 10:35 AM Friday, 1.2 ft above normal (7.08
ft MLLW) at 11:25 AM Saturday, and 0.9 ft above normal (6.75
ft MLLW) at 12:17 PM Sunday. High tide timing varies up to 90
minutes earlier or later along the Pacific Coast and
throughout 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.
Dangerous conditions are forecast along the shoreline. Hazards
include sneaker waves, strong rip currents, and large breaking
waves. Stay off the rocks and NEVER turn your back on the ocean!
&&
$$
Coastal Hazard Message
National Weather Service San Francisco CA
353 AM PST Wed Dec 3 2025
CAZ506-508-040600-
/O.CON.KMTR.CF.Y.0016.000000T0000Z-251207T2300Z/
North Bay Interior Valleys-San Francisco Bay Shoreline-
353 AM PST Wed Dec 3 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
SUNDAY...
* WHAT...Up to 1.4 ft of inundation above ground level is
possible in low lying areas near shorelines and tidal
waterways.
* WHERE...Bayshore locations along the San Francisco Bay and San
Pablo Bay.
* WHEN...Until 3 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 1.2 ft above normal (7.00 ft MLLW) at
9:04 AM Wednesday, 1.4 ft above normal (7.20 ft MLLW) at 9:48
AM Thursday, 1.4 ft above normal (7.23 ft MLLW) at 10:35 AM
Friday, 1.2 ft above normal (7.08 ft MLLW) at 11:25 AM
Saturday, and 0.9 ft above normal (6.75 ft MLLW) at 12:17 PM
Sunday. High tide timing varies up to 90 minutes earlier or
later along the Pacific Coast and throughout 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.
&&
$$
High Surf Advisory
Coastal Hazard Message
National Weather Service Los Angeles/Oxnard CA
200 AM PST Wed Dec 3 2025
CAZ340-346-031800-
/O.CON.KLOX.SU.Y.0028.000000T0000Z-251204T1100Z/
San Luis Obispo County Beaches-
Santa Barbara County Central Coast Beaches-
200 AM PST Wed Dec 3 2025
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST THURSDAY...
* WHAT...Large breaking waves 8 to 12 feet with dangerous rip
currents. Minor tidal overflows are possible from 4 AM to 11
AM Tuesday and Wednesday due to unusually high tides.
* WHERE...San Luis Obispo County Beaches and Santa Barbara
County Central Coast Beaches.
* WHEN...Until 3 AM PST Thursday.
* IMPACTS...There is an increased risk for ocean drowning. Rip
currents can pull swimmers and surfers out to sea. Large
breaking waves can cause injury, wash people off beaches and
rocks, and capsize small boats near shore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Remain out of the water due to dangerous surf conditions, or stay
near occupied lifeguard towers. Rock jetties can be deadly in
such conditions, stay off the rocks.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
946 AM PST Wed Dec 3 2025
PZZ475-040200-
/O.CON.KEKA.SC.Y.0131.000000T0000Z-251205T2200Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
946 AM PST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST FRIDAY...
* WHAT...North winds 15 to 25 kt with gusts up to 30 kt and seas
7 to 12 feet.
* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.
* WHEN...Until 2 PM PST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
839 AM PST Wed Dec 3 2025
PZZ570-040045-
/O.CON.KMTR.SC.Y.0211.000000T0000Z-251203T2300Z/
/O.EXT.KMTR.SC.Y.0212.251205T0500Z-251205T2300Z/
Waters from Point Arena to Point Reyes 10-60 NM-
839 AM PST Wed Dec 3 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THURSDAY TO 3 PM
PST FRIDAY...
* WHAT...For the first Small Craft Advisory, north winds 10 to
20 kt and seas 8 to 11 ft. For the second Small Craft
Advisory, north winds 15 to 25 kt with gusts up to 30 kt
expected.
* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.
* WHEN...For the first Small Craft Advisory, until 3 PM PST this
afternoon. For the second Small Craft Advisory, from 9 PM
Thursday to 3 PM PST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/sanfrancisco
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
839 AM PST Wed Dec 3 2025
PZZ571-040045-
/O.EXP.KMTR.SC.Y.0210.000000T0000Z-251203T1700Z/
/O.EXT.KMTR.SC.Y.0212.251205T0500Z-251205T2300Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
839 AM PST Wed Dec 3 2025
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 9 PM THURSDAY TO 3 PM
PST FRIDAY...
...SMALL CRAFT ADVISORY WILL EXPIRE AT 9 AM PST THIS MORNING...
* WHAT...North winds 15 to 25 kt with gusts up to 30 kt expected.
* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.
* WHEN...From 9 PM Thursday to 3 PM PST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Lake Wind Advisory
URGENT - WEATHER MESSAGE
National Weather Service Reno NV
938 AM PST Wed Dec 3 2025
CAZ072-NVZ002-032200-
/O.EXT.KREV.LW.Y.0041.000000T0000Z-251203T2200Z/
Greater Lake Tahoe Area-Greater Lake Tahoe Area-
Including the cities of Markleeville, Truckee, South Lake Tahoe,
Glenbrook, Incline Village, Tahoe City, and Stateline
938 AM PST Wed Dec 3 2025
...LAKE WIND ADVISORY NOW IN EFFECT UNTIL 2 PM PST THIS AFTERNOON
FOR LAKE TAHOE...
* WHAT...East winds 15 to 20 mph with gusts up to 35 mph and waves 1
to 3 feet for Lake Tahoe.
* WHERE...Greater Lake Tahoe Area.
* WHEN...Until 2 PM PST this afternoon.
* IMPACTS...Small boats, kayaks and paddle boards will be prone to
capsizing and should remain off lake waters until conditions
improve.
* ADDITIONAL DETAILS...The strongest winds and highest waves have
shifted to the northern portions of Lake Tahoe.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Check lake conditions before heading out and be prepared for a
sudden increase in winds and wave heights. Consider postponing
boating activities on the lake until a day with less wind.
&&
$$
HC
Frost Advisory
URGENT - WEATHER MESSAGE
National Weather Service Eureka CA
1138 AM PST Wed Dec 3 2025
CAZ102>106-109-112-113-040545-
/O.NEW.KEKA.FR.Y.0038.251204T1100Z-251204T1700Z/
Del Norte Interior-Northern Humboldt Coast-Southwestern Humboldt-
Northern Humboldt Interior-Southern Humboldt Interior-Mendocino
Coast-Southwestern Mendocino Interior-Southeastern Mendocino
Interior-
Including Hopland, Redwood Valley, Ettersburg, Talmage, Calpella,
Ukiah, Yorkville, Briceland, Philo, Dinsmore, and Whitethorn
1138 AM PST Wed Dec 3 2025
...FROST ADVISORY IN EFFECT FROM 3 AM TO 9 AM PST THURSDAY...
* WHAT...Temperatures as low as 36 will result in frost formation.
* WHERE...Humboldt County, Southern Mendocino Interior, Del Norte
Interior, and Mendocino Coast.
* WHEN...From 3 AM to 9 AM PST Thursday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Take steps now to protect tender plants from the cold.
&&
$$
For hazard areas see https://www.wrh.noaa.gov/map/?wfo=eka
Beach Hazards Statement
Coastal Hazard Message
National Weather Service San Francisco CA
353 AM PST Wed Dec 3 2025
CAZ006-529-530-040600-
/O.CON.KMTR.CF.Y.0016.000000T0000Z-251207T2300Z/
/O.CON.KMTR.BH.S.0021.000000T0000Z-251204T0600Z/
San Francisco-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
353 AM PST Wed Dec 3 2025
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
SUNDAY...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...
* WHAT...For the Beach Hazards Statement, long period westerly
swell will result in an increased risk for sneaker waves and
strong rip currents. Breaking waves 10 to 14 feet, with long
lulls of 10 to 20 minutes or more between largest sets. For
the Coastal Flood Advisory, up to 1.4 ft of inundation above
ground level is possible in low lying areas near shorelines
and tidal waterways.
* WHERE...Bayshore locations along San Francisco and Monterey
Bay.
* WHEN...For the Coastal Flood Advisory, until 3 PM PST Sunday.
For the Beach Hazards Statement, through this evening.
* IMPACTS...For the Beach Hazards Statement, sneaker waves can
unexpectedly run significantly farther up the beach than
normal, including over rocks and jetties. Rip currents are
typically more frequent and stronger in the vicinity of
jetties, inlets, and piers. For the Coastal Flood Advisory,
flooding of lots, parks, and roads with only isolated road
closures expected.
* ADDITIONAL DETAILS...For the Coastal Flood Advisory, at the
San Francisco tidal gauge high tide is expected to be 1.2 ft
above normal (7.00 ft MLLW) at 9:04 AM Wednesday, 1.4 ft above
normal (7.20 ft MLLW) at 9:48 AM Thursday, 1.4 ft above normal
(7.23 ft MLLW) at 10:35 AM Friday, 1.2 ft above normal (7.08
ft MLLW) at 11:25 AM Saturday, and 0.9 ft above normal (6.75
ft MLLW) at 12:17 PM Sunday. High tide timing varies up to 90
minutes earlier or later along the Pacific Coast and
throughout 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.
Dangerous conditions are forecast along the shoreline. Hazards
include sneaker waves, strong rip currents, and large breaking
waves. Stay off the rocks and NEVER turn your back on the ocean!
&&
$$
Coastal Hazard Message
National Weather Service San Francisco CA
353 AM PST Wed Dec 3 2025
CAZ505-509-040600-
/O.CON.KMTR.BH.S.0021.000000T0000Z-251204T0600Z/
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-
353 AM PST Wed Dec 3 2025
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...
* WHAT...Long period westerly swell will result in an increased
risk for sneaker waves and strong rip currents. Breaking waves
10 to 14 feet, with long lulls of 10 to 20 minutes or more
between largest sets.
* WHERE...Pacific Coast beaches.
* WHEN...Through this evening.
* IMPACTS...Sneaker waves can unexpectedly run significantly
farther up the beach than normal, including over rocks and
jetties. Rip currents are typically more frequent and stronger
in the vicinity of jetties, inlets, and piers.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dangerous conditions are forecast along the shoreline. Hazards
include sneaker waves, strong rip currents, and large breaking
waves. Stay off the rocks and NEVER turn your back on the ocean!
&&
$$
