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Extreme Heat Warning


URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
351 AM PDT Mon Aug 10 2026

CAZ300-101900-
/O.CON.KHNX.XH.W.0002.000000T0000Z-260811T0300Z/
West Side Mountains north of 198-
Including the cities of San Luis Reservoir
351 AM PDT Mon Aug 10 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...High temperatures up to 108 degrees and Major to locally
  Extreme Heat Risk.

* WHERE...San Joaquin Valley and adjacent foothills, Lake Isabella,
  and the Kern River Valley.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures and limited overnight relief may cause
  heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

Stay cool, stay hydrated, stay informed.

If you do not have air conditioning in your home or lack shelter,
seek out resources provided by your local community management.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
351 AM PDT Mon Aug 10 2026

CAZ301>317-319-321-332-334>336-101900-
/O.CON.KHNX.XH.W.0002.000000T0000Z-260811T0300Z/
Los Banos - Dos Palos-Merced - Madera - Mendota-Planada - Le
Grand - Snelling-Coalinga - Avenal-West Side of Fresno and Kings
Counties-Caruthers - San Joaquin - Selma-Fresno-Clovis-West Side
Mountains South of 198-Buttonwillow - Lost Hills - I5-Delano-
Wasco-Shafter-Hanford - Corcoran - Lemoore-Visalia - Porterville -
 Reedley-Buena Vista-Bakersfield-Southeast San Joaquin Valley-
South End San Joaquin Valley-Mariposa Madera Foothills-Fresno-
Tulare Foothills-South End Sierra Foothills-Kern River Valley-
Tehachapi-Grapevine-Frazier Mountain Communities-
Including the cities of Frazier Park, Planada, Buttonwillow, Delano,
Lebec, Madera, Le Grand, Shafter, Lemoore, Visalia, Alpaugh,
Mariposa, Tehachapi, Coalinga, Parlier, Selma, Taft, Merced, Atwater,
Bakersfield, Lamont, Wasco, Corcoran, Kernville, Lost Hills,
Kingsburg, Sanger, Porterville, Los Banos, Lake Mcclure, Goshen,
Lemoore Station, Blackwells Corner, Richgrove, Kerman, Arvin, El
Portal, Lake Isabella, Tulare, Millerton Lake, McKittrick, Kettleman
City, Fresno, Five Points, Hanford, Grapevine, and Avenal
351 AM PDT Mon Aug 10 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...High temperatures of 100 to 108 degrees and Major Heat Risk.

* WHERE...San Joaquin Valley and adjacent foothills, Lake Isabella,
  and the Kern River Valley.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures and limited overnight relief may cause
  heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

Stay cool, stay hydrated, stay informed.

If you do not have air conditioning in your home or lack shelter,
seek out resources provided by your local community management.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
351 AM PDT Mon Aug 10 2026

CAZ318-101900-
/O.CON.KHNX.XH.W.0002.000000T0000Z-260811T0300Z/
Mariposa-Madera Lower Sierra-
Including the cities of Oakhurst, North Fork, Fish Camp, Coarsegold,
and Bass Lake
351 AM PDT Mon Aug 10 2026

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

* WHAT...High temperatures up to 105 degrees and Major Heat Risk
  today.

* WHERE...Mariposa-Madera Lower Sierra. Includes Mariposa, North
  Fork, Oakhurst, Coarsegold, and El Portal.

* WHEN...Until 8 PM PDT this evening.

* IMPACTS...Hot temperatures and limited overnight relief may cause
  heat illnesses.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.

Stay cool, stay hydrated, stay informed.

If you do not have air conditioning in your home or lack shelter,
seek out resources provided by your local community management.

&&

$$


Gale Warning


URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
232 AM PDT Mon Aug 10 2026

PZZ470-475-101745-
/O.EXT.KEKA.GL.W.0027.000000T0000Z-260813T1600Z/
Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm-
Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm-
232 AM PDT Mon Aug 10 2026

...GALE WARNING NOW IN EFFECT UNTIL 9 AM PDT THURSDAY...

* WHAT...North winds 20 to 30 kt with gusts up to 45 kt and seas
  10 to 13 feet.

* WHERE...Waters from Pt. St. George to Cape Mendocino CA from
  10 to 60 nm and Waters from Cape Mendocino to Pt. Arena CA
  from 10 to 60 nm.

* WHEN...Until 9 AM PDT Thursday.

* IMPACTS...Strong winds will cause hazardous seas which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$


Coastal Flood Advisory


Coastal Hazard Message
National Weather Service San Francisco CA
943 PM PDT Sun Aug 9 2026

CAZ006-506-508-529-530-110600-
/O.CON.KMTR.CF.Y.0008.000000T0000Z-260813T0900Z/
San Francisco-North Bay Interior Valleys-
San Francisco Bay Shoreline-Northern Monterey Bay-
Southern Monterey Bay and Big Sur Coast-
943 PM PDT Sun Aug 9 2026

...COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 2 AM PDT
THURSDAY...

* WHAT...Up to 1.6 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, San
  Pablo Bay, and Monterey Bay.

* WHEN...Until 2 AM PDT Thursday.

* 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 1.6 ft above normal (7.46 ft MLLW) at 10:01 PM
  Monday 8/10, 1.6 ft above normal (7.44 ft MLLW) at 10:57 PM
  Tuesday 8/11, and 1.4 ft above normal (7.24 ft MLLW) at 11:49 PM
  Wednesday 8/12. These predictions include both astronomical
  tides and roughly 3-6 inches of additional water mainly from a
  combination of thermal expansion and accumulated sea level rise
  since the tidal datum was established (1983-2001). 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 Francisco Bay Area
806 AM PDT Mon Aug 10 2026

PZZ530-102315-
/O.CON.KMTR.SC.Y.0092.000000T0000Z-260811T0400Z/
San Pablo Bay, Suisun Bay, the West Delta and  the San Francisco
Bay north of the Bay Bridge-
806 AM PDT Mon Aug 10 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 PM PDT THIS
EVENING...

* WHAT...Southwest winds 10 to 20 kt with gusts up to 30 kt and
  choppy waters.

* WHERE...San Pablo Bay, Suisun Bay, the West Delta and the San
  Francisco Bay north of the Bay Bridge.

* WHEN...Until 9 PM PDT this evening.

* 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
806 AM PDT Mon Aug 10 2026

PZZ570-102315-
/O.CON.KMTR.SC.Y.0091.000000T0000Z-260812T1600Z/
Waters from Point Arena to Point Reyes 10-60 NM-
806 AM PDT Mon Aug 10 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 9 AM PDT
WEDNESDAY...

* WHAT...Northwest winds 20 to 30 kt with occasional gusts up to
  35 kt and seas 8 to 12 ft.

* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.

* WHEN...Until 9 AM PDT Wednesday.

* 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
806 AM PDT Mon Aug 10 2026

PZZ571-102315-
/O.CON.KMTR.SC.Y.0091.000000T0000Z-260811T1000Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
806 AM PDT Mon Aug 10 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
TUESDAY...

* WHAT...Northwest winds 10 to 20 kt and seas 8 to 10 ft.

* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.

* WHEN...Until 3 AM PDT Tuesday.

* 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 Eureka CA
232 AM PDT Mon Aug 10 2026

PZZ455-101745-
/O.CON.KEKA.SC.Y.0074.000000T0000Z-260812T1000Z/
Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm-
232 AM PDT Mon Aug 10 2026

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT
WEDNESDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 40 kt and
  seas 7 to 11 feet.

* WHERE...Coastal waters from Cape Mendocino to Pt. Arena CA out
  10 nm.

* WHEN...Until 3 AM PDT Wednesday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.

&&

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE