Extreme Heat Warning
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
106 PM PDT Wed Mar 18 2026
CAZ342-345-351>353-210300-
/O.CON.KLOX.XH.W.0001.000000T0000Z-260321T0300Z/
Santa Lucia Mountains-San Luis Obispo County Mountains-Santa Ynez
Mountains Western Range-Santa Ynez Mountains Eastern Range-Santa
Barbara County Interior Mountains-
Including the cities of Hearst Castle, Santa Margarita Lake,
Montecito Hills, La Panza Range, Irish Hills, Caliente Range, San
Marcos Pass, San Rafael Mountain, Big Pine Mountain, and Figueroa
Mountain
106 PM PDT Wed Mar 18 2026
...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...Dangerously hot conditions with temperatures in the 90s to
near 100 expected.
* WHERE...San Luis Obispo County Mountains, Santa Barbara County
Interior Mountains, Santa Lucia Mountains, Santa Ynez Mountains
Eastern Range, and Santa Ynez Mountains Western Range.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...There is a high risk for dangerous heat illness for
anyone, especially for the very young, the very old, those without
air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...Warm overnight low temperatures will
contribute to the heat risk, especially in the mountain and
foothill locations.
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.
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.
&&
$$
Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
845 AM PDT Thu Mar 19 2026
PZZ571-192345-
/O.CON.KMTR.SC.Y.0030.260320T0400Z-260321T1000Z/
/O.CON.KMTR.GL.W.0012.260321T1000Z-260321T1600Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
845 AM PDT Thu Mar 19 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 3 AM PDT SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM PDT
SATURDAY...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 30 kt expected. For the Gale Warning,
northwest winds 20 to 25 kt with gusts up to 35 kt and seas 8
to 10 ft expected.
* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.
* WHEN...For the Small Craft Advisory, from 9 PM this evening to
3 AM PDT Saturday. For the Gale Warning, from 3 AM to 9 AM PDT
Saturday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service San Francisco CA
509 AM PDT Thu Mar 19 2026
CAZ006-502>506-508>510-512>518-528>530-192200-
/O.CON.KMTR.HT.Y.0001.000000T0000Z-260321T0300Z/
San Francisco-Marin Coastal Range-Sonoma Coastal Range-North Bay
Interior Mountains-Coastal North Bay Including Point Reyes
National Seashore-North Bay Interior Valleys-San Francisco Bay
Shoreline-San Francisco Peninsula Coast-East Bay Interior Valleys-
Santa Cruz Mountains-Santa Clara Valley Including San Jose-
Eastern Santa Clara Hills-East Bay Hills-Southern Salinas
Valley/Arroyo Seco and Lake San Antonio-Santa Lucia Mountains and
Los Padres National Forest-Mountains of San Benito County And
Interior Monterey County including Pinnacles National Park-
Northern Salinas Valley/Hollister Valley and Carmel Valley-
Northern Monterey Bay-Southern Monterey Bay and Big Sur Coast-
509 AM PDT Thu Mar 19 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...High temperatures in the low to mid 90s across the interior
and 80s along the coastline.
* WHERE...The Bay Area and Central Coast.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...This level of heat affects most individuals sensitive to
heat, especially those without effective cooling and/or adequate
hydration. Impacts possible in some health systems and in
heat-sensitive industries. Hot conditions can cause heat illnesses.
* ADDITIONAL DETAILS...Much above normal temperatures in the upper
80s to mid 90s are expected through the remainder of the week
across the Bay Area and Central Coast. Portions of the interior
Central Coast may reach the upper 90s starting mid to late week.
Overnight lows in the upper 50s to low 60s will offer some relief
to the lower elevations but will offer minimal relief within the
higher elevations. Conditions will be much above normal along the
coast this week but coastal residents may experience more relief
overnight than those across the interior. The risk of heat related
illnesses will increase with each additional day of heating from
this event.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Hydration is a critical piece to surviving the heat. Drink water, and
if possible, take water to those who are vulnerable.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to the early
morning or evening. Take action when you experience symptoms of heat
exhaustion and/or heat stroke.
Beat the heat and check the backseat! Do not leave young children or
pets in unattended vehicles. Car interiors will reach lethal
temperatures in a matter of minutes.
&&
$$
Flynn
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
106 PM PDT Wed Mar 18 2026
CAZ340-341-346>350-210300-
/O.CON.KLOX.HT.Y.0003.000000T0000Z-260321T0300Z/
San Luis Obispo County Beaches-San Luis Obispo County Inland
Central Coast-Santa Barbara County Central Coast Beaches-Santa
Barbara County Inland Central Coast-Santa Ynez Valley-Santa
Barbara County Southwestern Coast-Santa Barbara County
Southeastern Coast-
Including the cities of Buellton, Goleta, Montecito, Avila Beach,
Vandenberg Space Force Base, Carpinteria, Los Olivos, Lopez Lake,
Santa Barbara, Cambria, Jalama Beach, Santa Ynez, Gaviota,
Refugio State Beach, El Capitan State Beach, Arroyo Grande, Pismo
Beach, San Luis Obispo, Lake Cachuma, Morro Bay, Solvang, Nipomo,
Santa Maria, and Lompoc
106 PM PDT Wed Mar 18 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...Hot conditions with high temperatures in the 80s and 90s
expected.
* WHERE...San Luis Obispo County Beaches, San Luis Obispo County
Inland Central Coast, Santa Barbara County Central Coast Beaches,
Santa Barbara County Inland Central Coast, Santa Barbara County
Southeastern Coast, Santa Barbara County Southwestern Coast, and
Santa Ynez Valley.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...Warm overnight low temperatures will
contribute to the heat risk, especially in the mountain and
foothill locations.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
106 PM PDT Wed Mar 18 2026
CAZ038-343-344-210300-
/O.CON.KLOX.HT.Y.0004.000000T0000Z-260321T0300Z/
Cuyama Valley-Southern Salinas Valley-San Luis Obispo County
Interior Valleys-
Including the cities of Templeton, Paso Robles, San Miguel,
Atascadero, Shandon, Creston, New Cuyama, Carrizo Plain, and Lake
Nacimiento
106 PM PDT Wed Mar 18 2026
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT FRIDAY...
* WHAT...Hot conditions with high temperatures in the 80s and 90s
expected.
* WHERE...Cuyama Valley, San Luis Obispo County Interior Valleys,
and Southern Salinas Valley.
* WHEN...Until 8 PM PDT Friday.
* IMPACTS...There is a high risk for heat illness for sensitive
populations including the very young, the very old, those without
air conditioning, and those active outdoors.
* ADDITIONAL DETAILS...Warm overnight low temperatures will
contribute to the heat risk, especially in the mountain and
foothill locations.
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.
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.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1118 AM PDT Thu Mar 19 2026
PZZ455-200230-
/O.CON.KEKA.SC.Y.0029.260321T0600Z-260321T2100Z/
Cape Mendocino to Pt Arena out 10 nm-
1118 AM PDT Thu Mar 19 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 11 PM FRIDAY TO
2 PM PDT SATURDAY...
* WHAT...North winds 15 to 25 kt with localized gusts to 35 kt
and seas 6 to 9 feet expected.
* WHERE...Cape Mendocino to Pt Arena out 10 nm.
* WHEN...From 11 PM Friday to 2 PM PDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Eureka CA
1118 AM PDT Thu Mar 19 2026
PZZ475-200230-
/O.CON.KEKA.SC.Y.0029.260321T0000Z-260321T2100Z/
Cape Mendocino to Pt Arena 10 to 60 nm-
1118 AM PDT Thu Mar 19 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 5 PM FRIDAY TO
2 PM PDT SATURDAY...
* WHAT...North winds 20 to 25 kt with localized gusts to 40 kt
and seas 7 to 10 feet expected.
* WHERE...Cape Mendocino to Pt Arena 10 to 60 nm.
* WHEN...From 5 PM Friday to 2 PM PDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
845 AM PDT Thu Mar 19 2026
PZZ540-192345-
/O.CON.KMTR.SC.Y.0030.260320T2200Z-260321T1600Z/
Coastal Waters from Point Arena to Point Reyes California out to
10 NM-
845 AM PDT Thu Mar 19 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM FRIDAY TO
9 AM PDT SATURDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt
expected.
* WHERE...Coastal Waters from Point Arena to Point Reyes
California out to 10 NM.
* WHEN...From 3 PM Friday to 9 AM PDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
For more information from the National Weather Service visit
http://weather.gov/sanfrancisco
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
845 AM PDT Thu Mar 19 2026
PZZ570-192345-
/O.CON.KMTR.SC.Y.0030.260320T0400Z-260321T1600Z/
Waters from Point Arena to Point Reyes 10-60 NM-
845 AM PDT Thu Mar 19 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 9 AM PDT SATURDAY...
* WHAT...Northwest winds 20 to 30 kt with gusts up to 35 kt
expected.
* WHERE...Waters from Point Arena to Point Reyes 10-60 NM.
* WHEN...From 9 PM this evening to 9 AM PDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
845 AM PDT Thu Mar 19 2026
PZZ571-192345-
/O.CON.KMTR.SC.Y.0030.260320T0400Z-260321T1000Z/
/O.CON.KMTR.GL.W.0012.260321T1000Z-260321T1600Z/
Waters from Point Reyes to Pigeon Point 10-60 NM-
845 AM PDT Thu Mar 19 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING
TO 3 AM PDT SATURDAY...
...GALE WARNING REMAINS IN EFFECT FROM 3 AM TO 9 AM PDT
SATURDAY...
* WHAT...For the Small Craft Advisory, northwest winds 15 to 25
kt with gusts up to 30 kt expected. For the Gale Warning,
northwest winds 20 to 25 kt with gusts up to 35 kt and seas 8
to 10 ft expected.
* WHERE...Waters from Point Reyes to Pigeon Point 10-60 NM.
* WHEN...For the Small Craft Advisory, from 9 PM this evening to
3 AM PDT Saturday. For the Gale Warning, from 3 AM to 9 AM PDT
Saturday.
* IMPACTS...Strong winds will cause hazardous seas which could
capsize or damage vessels and reduce visibility.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
845 AM PDT Thu Mar 19 2026
PZZ575-192345-
/O.CON.KMTR.SC.Y.0030.260320T2200Z-260321T1600Z/
Waters from Pigeon Point to Point Pinos 10-60 NM-
845 AM PDT Thu Mar 19 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM FRIDAY TO
9 AM PDT SATURDAY...
* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and
seas 8 to 10 ft expected.
* WHERE...Waters from Pigeon Point to Point Pinos 10-60 NM.
* WHEN...From 3 PM Friday to 9 AM PDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service San Francisco Bay Area
845 AM PDT Thu Mar 19 2026
PZZ576-192345-
/O.CON.KMTR.SC.Y.0030.260320T2200Z-260321T1600Z/
Waters from Point Pinos to Point Piedras Blancas 10-60 NM-
845 AM PDT Thu Mar 19 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 3 PM FRIDAY TO
9 AM PDT SATURDAY...
* WHAT...Northwest winds 15 to 25 kt expected.
* WHERE...Waters from Point Pinos to Point Piedras Blancas 10-
60 NM.
* WHEN...From 3 PM Friday to 9 AM PDT Saturday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
