Alert archive / California / Beach Hazards Statements in 2026

Beach Hazards Statement 1, NWS San Francisco Bay Area, CA

January 2, 20266 counties in California

NWS San Francisco Bay Area, CA issued this beach hazards statement at Jan 2, 2026, 10:59 PM PST for 6 counties in California. It took effect at Jan 4, 2026, 6:00 AM PST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Jan 2, 2026, 10:59 PM PST (06:59 UTC)
In effect from
Jan 4, 2026, 6:00 AM PST
Expired
Jan 4, 2026, 10:00 PM PST
In force
16 hr
Issued by
NWS San Francisco Bay Area, CA

Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA

The radar

The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 06:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Oakland, CA (KOAK), launched 00:00Z, 7.0 hours before the alert went out and 26 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Oakland, CA at 00:00Z on 2026-01-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Oakland, CA at 00:00Z on 2026-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 247 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1331 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
247 m²/s²
0-3 km storm-relative helicity
381 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

197 
WHUS46 KMTR 030659
CFWMTR

Coastal Hazard Message
National Weather Service San Francisco CA
1059 PM PST Fri Jan 2 2026

CAZ006-032200-
/O.NEW.KMTR.BH.S.0001.260104T1400Z-260105T0600Z/
/O.CON.KMTR.CF.W.0001.000000T0000Z-260103T2200Z/
/O.CON.KMTR.CF.Y.0001.260103T2200Z-260104T2200Z/
San Francisco-
1059 PM PST Fri Jan 2 2026

...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM PST
SATURDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO
2 PM PST SUNDAY...
...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

* WHAT...For the Coastal Flood Warning, significant coastal 
  flooding expected due to high astronomical tides and storm 
  surge. Up to 2.5 ft of inundation above ground level is 
  possible in low-lying areas near shorelines and tidal 
  waterways during the morning high tide Saturday. For the 
  Coastal Flood Advisory, up to 2.0 ft inundation is 
  possible.

* WHERE...San Francisco.

* WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday. 
  For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST 
  Sunday. For the Beach Hazards Statement, from Sunday morning 
  through Sunday evening.

* IMPACTS...Numerous roads will be closed. Low lying property 
  including homes, businesses, and some critical infrastructure 
  will be inundated. Some shoreline erosion will occur.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high 
  tide is expected to be: 
	2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3 
	1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
  These predictions include up to 1.3 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...

Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr. 

&&

$$

CAZ506-508-032200-
/O.CON.KMTR.CF.W.0001.000000T0000Z-260103T2200Z/
/O.CON.KMTR.CF.Y.0001.260103T2200Z-260104T2200Z/
North Bay Interior Valleys-San Francisco Bay Shoreline-
1059 PM PST Fri Jan 2 2026

...COASTAL FLOOD WARNING REMAINS IN EFFECT UNTIL 2 PM PST
SATURDAY...
...COASTAL FLOOD ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO
2 PM PST SUNDAY...

* WHAT...For the Coastal Flood Warning, significant coastal 
  flooding expected due to high astronomical tides and storm 
  surge. Up to 2.5 ft of inundation above ground level is 
  possible in low-lying areas near shorelines and tidal 
  waterways during the morning high tide Saturday. For the 
  Coastal Flood Advisory, up to 2.0 ft inundation is 
  possible.

* WHERE...Adjacent to the San Francisco and San Pablo Bays.

* WHEN...For the Coastal Flood Warning, until 2 PM PST Saturday. 
  For the Coastal Flood Advisory, from 2 PM Saturday to 2 PM PST 
  Sunday.

* IMPACTS...Numerous roads will be closed. Low lying property 
  including homes, businesses, and some critical infrastructure 
  will be inundated. Some shoreline erosion will occur.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high 
  tide is expected to be: 
	2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3 
	1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
  These predictions include up to 1.3 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...

Take the necessary actions to protect flood-prone property. If
travel is required, do not drive around barricades or through
water of unknown depth.

&&

$$

CAZ505-509-529-530-032200-
/O.NEW.KMTR.BH.S.0001.260104T1400Z-260105T0600Z/
/O.CON.KMTR.CF.Y.0017.000000T0000Z-260104T2200Z/
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
1059 PM PST Fri Jan 2 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST
SUNDAY...
...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY MORNING THROUGH
SUNDAY EVENING...

* WHAT...Up to 2.5 ft of inundation above ground level is 
  possible in low-lying areas near shorelines and tidal 
  waterways.

* WHERE...Pacific Coast from Sonoma County to Monterey County 
  including the Monterey Bay.

* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. 
  For the Beach Hazards Statement, from Sunday morning through 
  Sunday evening.

* IMPACTS...Flooding of lots, parks, and roads with some road 
  closures expected.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high 
  tide is expected to be: 
	2.5 ft above normal (8.3 ft MLLW) at 10:26 AM Saturday 1/3 
	1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
  These predictions include up to 1.3 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.

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr. 

&&

$$
4 follow-up statements
376 
WHUS46 KMTR 032146
CFWMTR

Coastal Hazard Message
National Weather Service San Francisco CA
146 PM PST Sat Jan 3 2026

CAZ006-041300-
/O.EXP.KMTR.CF.W.0001.000000T0000Z-260103T2200Z/
/O.CON.KMTR.CF.Y.0001.260103T2200Z-260104T2200Z/
/O.CON.KMTR.BH.S.0001.260104T1400Z-260105T0600Z/
San Francisco-
146 PM PST Sat Jan 3 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST
SUNDAY...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING...
...COASTAL FLOOD WARNING WILL EXPIRE AT 2 PM PST THIS AFTERNOON...

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation
  above ground level is possible in low-lying near shorelines and
  tidal waterways. For the Beach Hazards Statement, long period
  northwesterly swell will result in strong rip currents, sneaker
  waves, and breaking waves of up to 20 feet can be expected.

* WHERE...San Francisco.

* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. 
  For the Beach Hazards Statement, from Sunday morning through 
  Sunday evening.

* IMPACTS...Flooding of lots, parks, and roads with only 
  isolated road closures expected. Dangerous conditions are 
  forecast along the shoreline. Hazards include sneaker waves, 
  strong rip currents, and large breaking waves.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high 
  tide is expected to be: 
	1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
  These predictions include up to 1 foot 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.

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr. 

&&

$$

CAZ506-508-041300-
/O.EXP.KMTR.CF.W.0001.000000T0000Z-260103T2200Z/
/O.CON.KMTR.CF.Y.0001.260103T2200Z-260104T2200Z/
North Bay Interior Valleys-San Francisco Bay Shoreline-
146 PM PST Sat Jan 3 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST
SUNDAY...
...COASTAL FLOOD WARNING WILL EXPIRE AT 2 PM PST THIS AFTERNOON...

* WHAT...Up to 2 ft of inundation above ground level is possible 
  in low-lying near shorelines and tidal waterways. 

* WHERE...Areas adjacent to the San Francisco and San Pablo Bays.

* WHEN...Until 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: 
	1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
  These predictions include up to 1 foot 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.

&&

$$

CAZ505-509-529-530-041300-
/O.CON.KMTR.CF.Y.0017.000000T0000Z-260104T2200Z/
/O.CON.KMTR.BH.S.0001.260104T1400Z-260105T0600Z/
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
146 PM PST Sat Jan 3 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST
SUNDAY...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY MORNING
THROUGH SUNDAY EVENING...

* WHAT...For the Coastal Flood Advisory, up to 2 ft of inundation
  above ground level is possible in low-lying near shorelines and
  tidal waterways. For the Beach Hazards Statement, long period
  northwesterly swell will result in strong rip currents, sneaker
  waves, and breaking waves of up to 20 feet can be expected.

* WHERE...Pacific Coast from Sonoma County to Monterey County 
  including the Monterey Bay.

* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. 
  For the Beach Hazards Statement, from Sunday morning through 
  Sunday evening.

* IMPACTS...Flooding of lots, parks, and roads with only 
  isolated road closures expected. Dangerous conditions are 
  forecast along the shoreline. Hazards include sneaker waves, 
  strong rip currents, and large breaking waves.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high 
  tide is expected to be: 
	1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
  These predictions include up to 1 foot 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.

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr. 

&&

$$
035 
WHUS46 KMTR 040935
CFWMTR

Coastal Hazard Message
National Weather Service San Francisco CA
135 AM PST Sun Jan 4 2026

CAZ006-042200-
/O.EXT.KMTR.CF.Y.0001.000000T0000Z-260105T2300Z/
/O.CON.KMTR.BH.S.0001.260104T1400Z-260105T0600Z/
San Francisco-
135 AM PST Sun Jan 4 2026

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 3 PM PST MONDAY...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 AM PST THIS
MORNING THROUGH THIS EVENING...

* WHAT...For the Coastal Flood Advisory, up to 2 ft of 
  inundation above ground level is possible in low-lying near 
  shorelines and tidal waterways. For the Beach Hazards 
  Statement, long period northwesterly swell will result in 
  strong rip currents, sneaker waves, and breaking waves of up 
  to 20 feet can be expected.

* WHERE...San Francisco.

* WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday. 
  For the Beach Hazards Statement, from 6 AM PST this morning 
  through this evening.

* IMPACTS...Flooding of lots, parks, and roads with only 
  isolated road closures expected. Dangerous conditions are 
  forecast along the shoreline. Hazards include sneaker waves, 
  strong rip currents, and large breaking waves.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high 
  tide is expected to be: 
	1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 
	1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5
  These predictions include up to 1 foot 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.

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr.

&&

$$

CAZ506-508-042200-
/O.EXT.KMTR.CF.Y.0001.000000T0000Z-260105T2300Z/
North Bay Interior Valleys-San Francisco Bay Shoreline-
135 AM PST Sun Jan 4 2026

...COASTAL FLOOD ADVISORY NOW IN EFFECT UNTIL 3 PM PST MONDAY...

* WHAT...Up to 2 ft of inundation above ground level is possible 
  in low-lying near shorelines and tidal waterways.

* WHERE...Areas adjacent to the San Francisco and San Pablo Bays.

* WHEN...Until 3 PM PST Monday.

* 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: 
	1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4 
	1.2 ft above normal (7.0 ft MLLW) at 12:08 PM Monday 1/5
  These predictions include up to 1 foot 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.

&&

$$

CAZ505-509-529-530-042200-
/O.CON.KMTR.CF.Y.0017.000000T0000Z-260104T2200Z/
/O.CON.KMTR.BH.S.0001.260104T1400Z-260105T0600Z/
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
135 AM PST Sun Jan 4 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 PM PST THIS
AFTERNOON...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 6 AM PST THIS
MORNING THROUGH THIS EVENING...

* WHAT...For the Coastal Flood Advisory, up to 2 ft of 
  inundation above ground level is possible in low-lying near 
  shorelines and tidal waterways. For the Beach Hazards 
  Statement, long period northwesterly swell will result in 
  strong rip currents, sneaker waves, and breaking waves of up 
  to 20 feet can be expected.

* WHERE...Pacific Coast from Sonoma County to Monterey County 
  including the Monterey Bay.

* WHEN...For the Coastal Flood Advisory, until 2 PM PST Sunday. 
  For the Beach Hazards Statement, from Sunday morning through 
  Sunday evening.

* IMPACTS...Flooding of lots, parks, and roads with only 
  isolated road closures expected. Dangerous conditions are 
  forecast along the shoreline. Hazards include sneaker waves, 
  strong rip currents, and large breaking waves.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high 
  tide is expected to be: 
	1.9 ft above normal (7.7 ft MLLW) at 11:18 AM Sunday 1/4
  These predictions include up to 1 foot 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.

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr.

&&

$$
642 
WHUS46 KMTR 042143
CFWMTR

Coastal Hazard Message
National Weather Service San Francisco CA
143 PM PST Sun Jan 4 2026

CAZ505-509-529-530-050600-
/O.EXP.KMTR.CF.Y.0017.000000T0000Z-260104T2200Z/
/O.CON.KMTR.BH.S.0001.000000T0000Z-260105T0600Z/
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
143 PM PST Sun Jan 4 2026

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...COASTAL FLOOD ADVISORY WILL EXPIRE AT 2 PM PST THIS
AFTERNOON...

* WHAT...For the Beach Hazards Statement, long period 
  northwesterly swell will result in strong rip currents, sneaker 
  waves, and breaking waves of up to 20 feet can be expected

* WHERE...Pacific Coast from Sonoma County to Monterey County 
  including the Monterey Bay.

* WHEN...For the Beach Hazards Statement, from Sunday morning
  through 10 PM PST Sunday.

* IMPACTS...Dangerous conditions are forecast along the shoreline.
  Hazards include sneaker waves, strong rip currents, and large
  breaking waves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr. 

&&

$$

CAZ006-050600-
/O.CON.KMTR.CF.Y.0001.000000T0000Z-260105T2300Z/
/O.CON.KMTR.BH.S.0001.000000T0000Z-260105T0600Z/
San Francisco-
143 PM PST Sun Jan 4 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
MONDAY...
...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* WHAT...For the Coastal Flood Advisory, up to 2 ft of 
  inundation above ground level is possible in low-lying near 
  shorelines and tidal waterways. For the Beach Hazards 
  Statement, long period northwesterly swell will result in 
  strong rip currents, sneaker waves, and breaking waves of up 
  to 20 feet can be expected.

* WHERE...San Francisco.

* WHEN...For the Coastal Flood Advisory, until 3 PM PST Monday.
  For the Beach Hazards Statement, from 6 AM PST this morning
  through 10 PM PST Sunday.

* IMPACTS...Flooding of lots, parks, and roads with only 
  isolated road closures expected. Dangerous conditions are 
  forecast along the shoreline. Hazards include sneaker waves, 
  strong rip currents, and large breaking waves.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
  is expected to be: 1.2 ft above normal (7.0 ft MLLW) at 12:08 
  PM Monday 1/5. These predictions include up to 1 foot 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.

Stay off of jetties, piers, rocks, and other waterside
infrastructure. Remain out of the water to avoid hazardous surf
and NEVER turn your back on the ocean. Monitor local weather,
surf and tide forecasts at www.weather.gov/mtr.

&&

$$

CAZ506-508-050600-
/O.CON.KMTR.CF.Y.0001.000000T0000Z-260105T2300Z/
North Bay Interior Valleys-San Francisco Bay Shoreline-
143 PM PST Sun Jan 4 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
MONDAY...

* WHAT...Up to 2 ft of inundation above ground level is possible 
  in low-lying near shorelines and tidal waterways.

* WHERE...Areas adjacent to the San Francisco and San Pablo Bays.

* WHEN...Until 3 PM PST Monday.

* 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 (7.0 ft MLLW) at 12:08 
  PM Monday 1/5. These predictions include up to 1 foot 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.

&&

$$
468 
WHUS46 KMTR 050536
CFWMTR

Coastal Hazard Message
National Weather Service San Francisco CA
936 PM PST Sun Jan 4 2026

CAZ006-051345-
/O.EXP.KMTR.BH.S.0001.000000T0000Z-260105T0600Z/
/O.CON.KMTR.CF.Y.0001.000000T0000Z-260105T2300Z/
San Francisco-
936 PM PST Sun Jan 4 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
MONDAY...
...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM PST THIS
EVENING...

* WHAT...Up to 1.2 ft of inundation above ground level is 
  possible in low-lying near shorelines and tidal waterways.

* WHERE...Parts of San Francisco adjacent to San Francisco Bay.

* WHEN...Until 3 PM PST Monday.

* 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 (7.0 ft MLLW) at 12:08 PM
  Monday 1/5. 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.

&&

$$

CAZ505-509-529-530-050645-
/O.EXP.KMTR.BH.S.0001.000000T0000Z-260105T0600Z/
Coastal North Bay Including Point Reyes National Seashore-
San Francisco Peninsula Coast-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
936 PM PST Sun Jan 4 2026

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM PST THIS
EVENING...

Swell heights are diminishing. Thus, the Beach Hazards Statement
will be allowed to expire.

$$

CAZ506-508-051345-
/O.CON.KMTR.CF.Y.0001.000000T0000Z-260105T2300Z/
North Bay Interior Valleys-San Francisco Bay Shoreline-
936 PM PST Sun Jan 4 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST
MONDAY...

* WHAT...Up to 1.2 ft of inundation above ground level is 
  possible in low-lying near shorelines and tidal waterways.

* WHERE...Areas adjacent to the San Francisco and San Pablo Bays.

* WHEN...Until 3 PM PST Monday.

* 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 (7.0 ft MLLW) at 12:08 PM
  Monday 1/5. 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.

&&

$$

What forecasters said that day

The local office's own words before this beach hazards statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Francisco Bay Area, CA wrote its last area forecast discussion before this beach hazards statement went out at Jan 2, 9:51 PM PST, 1 hour 8 minutes earlier. Its key messages:

  • Updated at 1218 PM PST Fri Jan 2 2026
  • High astronomical tides combined with storm surge will bring substantial tidal flooding through Sunday
  • Strong southerly winds tonight into Saturday morning
  • Chance of thunderstorms tonight through the weekend
  • Daily rain showers expected through Monday
Area forecast discussion, Jan 2, 9:51 PM PST, 1 hour 8 minutes before
Area Forecast Discussion
National Weather Service San Francisco CA
951 PM PST Fri Jan 2 2026

...New AVIATION...

.KEY MESSAGES...
Updated at 1218 PM PST Fri Jan 2 2026

 - High astronomical tides combined with storm surge will bring
   substantial tidal flooding through Sunday

 - Strong southerly winds tonight into Saturday morning

 - Chance of thunderstorms tonight through the weekend

 - Daily rain showers expected through Monday

&&

.UPDATE...
Issued at 846 PM PST Fri Jan 2 2026

Radar returns show widespread showers across the region with
another band lurking offshore. Satellite imagery in the water
vapor brand depicts a dry slot heading into the Bay Area and
Central Coast at the time of writing. This has influenced lowered
confidence in the short term forecast, with the potential for the
incoming rain to not be as intense overnight. Whether this trend
continues through Saturday morning may very well depend on how a
pair of lows around 400 to 500 miles off the coast of Sonoma
County and Oregon interact, with the satellite imagery showing
some convective activity around both the lows. The overnight crew
will continue to monitor the situation and adjust the forecast as
the forecast evolves.

On another note, USGS research instruments in the Bay Area are
reporting that soils are saturated, or close to reaching
saturation, meaning that shallow landslides are possible across
the region, especially if more rain falls than the current
forecast in orographically favored regions.

DialH

&&

.SHORT TERM...
Issued at 1218 PM PST Fri Jan 2 2026
(This evening through Saturday)

It has been fairly quite late this morning and is expected to
remain so through the afternoon ahead of our next approaching
system that is due to arrive late this evening and through
Saturday morning. Southerly winds are forecast to increase this
afternoon and remain gusty through at least Saturday afternoon.
Sustained southerly winds of 15-25 mph with gusts up to 50 mph
(locally stronger in the highest elevations) will remain possible
through Saturday afternoon along the coast and in the higher
terrain. Isolated thunderstorms are also possible late this
evening and into early Saturday morning as surface based CAPE
reaches up to 250 J/kg, most notability around the North Bay.
Along with this, as the main rain band moves across the region it
will be capable of producing moderate to heavy rainfall.

Isolated to scattered thunderstorms are likely Saturday a colder
airmass drops southward across the region in wake of the earlier
frontal passage. This is when forecast models suggest 250-750 J/kg
of surface based CAPE. The greatest potential looks to be over
the North Bay were we are expected the higher end of the above
mentioned values will be placed late Saturday morning and into the
evening. Thus, cannot rule out landfalling water spouts across
this region. This is also where there is a Marginal Risk for
severe weather with a general mention from the Storm Prediction
Center across the remainder of the region.

&&

.LONG TERM...
Issued at 1218 PM PST Fri Jan 2 2026
(Saturday night through next Thursday)

Thunderstorm potential will continue into Monday as reinforcing
cold fronts move through the region. The greatest potential
currently looks like early Sunday morning through the afternoon
and again Monday afternoon. Given the breaks between these
systems, we don't currently anticipate widespread flooding.
However, any heavier shower or thunderstorm will be capable of
producing heavy rain, small hail, and the potential for funnel
clouds/water spouts.

Conditions look to remain cool and unsettled through the first
half of next week, yet not nearly as wet as late this week and
into to the weekend. There remain differences in the ensemble
guidance making things difficult to pinpoint this far out.
However, there is good confidence that we will trend drier and
cooler than normal for late next week and into the following
weekend (January 10-11). This is also being captured by the 6-10
day outlook from the Climate Prediction Center.

&&

.AVIATION...
(06Z TAFS)
Issued at 951 PM PST Fri Jan 2 2026

Stronger south to southeasterly winds and gusts continue. Widespread
rains will reduce visibilities this evening and into the night as
the front moves through the area. Winds remain gusty in the post-
frontal environment with less-organized lines of showers and a few
storms moving through the area overnight. Airspace above the marine
environment will see the better chances for storms, but some will
make their way over land. The current forecast shows rain chances
reducing across the board in the early morning, but rebuild into the
mid to late morning. Expect winds and gusts  to reduce into Saturday
afternoon. Shower activity increase again into Saturday night.
Cloud cover mostly sticks to the mid-levels through the TAF period
with exceptions being periods of IFR/MVFR-level clouds in the North
Bay and at HAF.

Vicinity of SFO...Southeast winds are increasing with gusts above30
kts expected into early Saturday morning. Rain chances increase
through the into the night, causing reductions in visibilities from
the moderate to, at times, elevated rain rates. Rain turns to
spottier showers in the early morning with slight chances for storms
possible. Rain chances increase slightly into the mid morning, but
reduce again in the afternoon as gusts cut off. Showers increase
again Saturday night and exit into Sunday morning.

 SFO Bridge Approach...Similar to SFO.

Monterey Bay Terminals...Moderate showers are arriving with breezy
to gusty southerly to southeasterly winds. Visibilities will lower
as these showers come through the area, with. Rain chances and winds
reduce into early Saturday afternoon. Shower chances rebuild again
into Saturday night.

&&

.MARINE...
(Tonight through next Thursday)
Issued at 846 PM PST Fri Jan 2 2026

Gale force winds continue across the waters with localized storm
force winds expected across the northern outer waters and along
the Big Sur Coast. Winds diminish slightly Saturday with gale
force winds across the northern waters and near gale force winds
elsewhere. Seas build to 12 to 16 feet this weekend before abating
early next week. Moderate rain and a slight chance of
thunderstorms continues through the weekend.

&&

.BEACHES...
Issued at 1218 PM PST Fri Jan 2 2026

A Coastal Flood Warning is in effect for the San Francisco Bay
through Saturday. A Coastal Flood Advisory is in effect for the
Pacific Coast and Monterey Bay through Sunday. Perigean spring tides
(king tides) will impact the region through Sunday. This is due to
the combination of the full moon on 1/3, lunar perigee on 1/1, and
perihelion on 1/3. In other words the earth, sun and moon are lined
up and close to each other. In addition to the high astronomical
tide, the incoming low pressure system will bring strong southerly
winds, generating some storm surge, particularly on Saturday
morning. The combination of these factors will bring moderate
coastal flooding to the low-lying areas near shorelines and tidal
waterways during high tide through Sunday.

On Friday, the San Francisco tidal gauge recorded 2.26 ft of
inundation. Looking ahead, high tide is expected to be 2.5 ft
above normal at 10:26 AM Saturday and 1.9 ft above normal at 11:18
AM Sunday. These predictions include up to 1.3 feet of storm
surge that will enhance the astronomical tide and flooding threat.
A reasonable worse case scenario (10% exceedance chance) is 2.7
ft of inundation on Saturday. The all time record is 2.8 ft from
1/27/1983. 2.5 ft hasn't been reached since 1998. High tide varies
up to 90 minutes earlier or later along the Pacific Coast and
through the San Francisco Bay, respectively.

&&

.MTR WATCHES/WARNINGS/ADVISORIES...
CA...Coastal Flood Warning until 2 PM PST Saturday for CAZ006-506-508.

     Wind Advisory until 1 PM PST Saturday for CAZ006-502>505-509-512-
     514>518-528>530.

     Coastal Flood Advisory from 2 PM Saturday to 2 PM PST Sunday for
     CAZ006-506-508.

     Coastal Flood Advisory until 2 PM PST Sunday for CAZ505-509-529-
     530.

PZ...Small Craft Advisory until 1 PM PST Saturday for SF Bay N of Bay
     Bridge.

     Gale Warning until 3 AM PST Saturday for Mry Bay-Pigeon Pt to Pt
     Pinos 0-10 nm-Pigeon Pt to Pt Pinos 10-60 NM-Pt Reyes to
     Pigeon Pt 0-10 nm.

     Gale Warning until 1 PM PST Saturday for Pt Arena to Pt Reyes 0-
     10 nm.

     Gale Warning until 9 AM PST Saturday for Pt Pinos to Pt Piedras
     Blancas 0-10 nm.

     Gale Warning until 3 PM PST Saturday for Pt Arena to Pt Reyes 10-
     60 NM.

&&

SHORT TERM...RGass
LONG TERM....RGass
AVIATION...Murdock
MARINE...Murdock

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In the hours before

Local storm report, Jan 2, 6:07 PM PST, 4 hours 52 minutes before
Preliminary Local Storm Report
National Weather Service San Francisco CA
607 PM PST Fri Jan 2 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0456 PM     Flood            2 NW Elkhorn            36.83N 121.73W
01/02/2026                   Monterey           CA   Park/Forest Srvc

            Via CHP: State Parks reported that Elkhorn
            Road is completely flooded between Hidden
            Valley Road and Strawberry Road.

&&

DH
Local storm report, Jan 2, 6:17 PM PST, 4 hours 42 minutes before
Preliminary Local Storm Report
National Weather Service San Francisco CA
617 PM PST Fri Jan 2 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0607 PM     Non-Tstm Wnd Dmg 2 SE Del Monte Forest   36.57N 121.92W
01/02/2026                   Monterey           CA   Law Enforcement

            Tree branches down on Pescadero Road north
            of the Stevenson School.

&&

DH
Local storm report, Jan 2, 6:18 PM PST, 4 hours 41 minutes before
Preliminary Local Storm Report
National Weather Service San Francisco CA
618 PM PST Fri Jan 2 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0424 PM     Non-Tstm Wnd Dmg 21 WNW Monte Rio        38.61N 123.36W
01/02/2026                   Sonoma             CA   Law Enforcement

            Tree down in the southbound lane of Highway
            1 at Grace Rock Trail.

&&

DH
Local storm report, Jan 2, 6:19 PM PST, 4 hours 40 minutes before
Preliminary Local Storm Report
National Weather Service San Francisco CA
619 PM PST Fri Jan 2 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0539 PM     Flood            Sausalito               37.85N 122.49W
01/02/2026                   Marin              CA   Law Enforcement

            Boulders in the slow lane of southbound
            Highway 101 at Spencer Avenue.

&&

DH
Local storm report, Jan 2, 6:51 PM PST, 4 hours 8 minutes before
Preliminary Local Storm Report
National Weather Service San Francisco CA
651 PM PST Fri Jan 2 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0759 AM     Flood            1 SSW Strawberry        37.88N 122.51W
01/02/2026                   Marin              CA   Broadcast Media

            Via social media post. Flooding reported on
            the bike path near US Highway 101 between
            Mill Valley and Sausalito. Cyclists seen
            holding bikes above the water and wading
            along the bike path.

&&

DH

The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 3, 4:13 AM PSTAreal Flood AdvisoryMTRMarin, Napa, Sonoma3 hr
Jan 3, 7:02 AM PSTAreal Flood AdvisoryMTRMarin, Sonoma9 hr
Jan 3, 7:04 AM PSTSpecial Marine WarningMTR26 min
Jan 3, 1:52 PM PSTSpecial Weather StatementMTRSanta Clara38 min
Jan 3, 1:55 PM PSTSpecial Weather StatementMTRSanta Clara35 min
Jan 3, 2:38 PM PSTSmall Craft AdvisoryMTR55 hr

Nearby

Beach Hazards Statements in California, 2026Every beach hazards statement in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.