Los Osos CA
03/18/2026 08:00 PM
57°F
TEMPERATURE
Winds 5 mph NNE
Mostly Clear
Mostly clear, with a low around 57. North wind 5 to 10 mph.

Alerts

You have (1) alert(s). Tap to see details.

Heat Advisory

Moderate
Heat Advisory issued March 18 at 1:06PM PDT until March 20 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
NWS Los Angeles/Oxnard CA
Category Certainty Severity
Met Likely Moderate
Status Urgency Category
Actual Expected Met
Effective Ends Expires
03/18/2026 01:06 PM 03/20/2026 08:00 PM 03/20/2026 08:00 PM 
* 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.
Moonrise
07:50 AM
Moonset
08:09 PM
Sunrise
07:08 AM
Moon Phase
New moon
Sunset
07:14 PM

Hourly Forecast

Wed, 08:00 PM

Mostly Clear
Winds: 5 mph NNE
57°

Wed, 09:00 PM

Mostly Clear
Winds: 5 mph NNE
57°

Wed, 10:00 PM

Mostly Clear
Winds: 5 mph NNE
57°

Wed, 11:00 PM

Mostly Clear
Winds: 10 mph NNE
57°

Thu, 12:00 AM

Mostly Clear
Winds: 10 mph NNE
57°

Thu, 01:00 AM

Mostly Clear
Winds: 10 mph NNE
57°

Thu, 02:00 AM

Mostly Clear
Winds: 10 mph N
57°

Thu, 03:00 AM

Mostly Clear
Winds: 10 mph N
59°

Thu, 04:00 AM

Mostly Clear
Winds: 10 mph N
60°

Thu, 05:00 AM

Mostly Clear
Winds: 10 mph NNE
62°

Thu, 06:00 AM

Sunny
Winds: 10 mph NNE
63°

Thu, 07:00 AM

Sunny
Winds: 10 mph NNE
63°

Thu, 08:00 AM

Sunny
Winds: 10 mph NNE
65°

Thu, 09:00 AM

Sunny
Winds: 10 mph NNE
68°

Thu, 10:00 AM

Sunny
Winds: 10 mph NNE
73°

Thu, 11:00 AM

Sunny
Winds: 5 mph N
76°

Thu, 12:00 PM

Sunny
Winds: 5 mph N
79°

Thu, 01:00 PM

Sunny
Winds: 5 mph N
82°

Thu, 02:00 PM

Sunny
Winds: 10 mph NW
72°

Thu, 03:00 PM

Sunny
Winds: 10 mph NW
68°

Thu, 04:00 PM

Sunny
Winds: 10 mph NW
67°

Thu, 05:00 PM

Sunny
Winds: 10 mph NW
65°

Thu, 06:00 PM

Mostly Clear
Winds: 10 mph NW
63°

Thu, 07:00 PM

Mostly Clear
Winds: 10 mph NW
60°

Tonight

Mostly Clear
57°
Winds: 5 to 10 mph N
Mostly clear, with a low around 57. North wind 5 to 10 mph.

Thursday

Sunny
82°
Winds: 5 to 10 mph N
Sunny, with a high near 82. North wind 5 to 10 mph.

Thursday Night

Mostly Clear
58°
Winds: 5 to 15 mph N
Mostly clear, with a low around 58. North wind 5 to 15 mph.

Friday

Sunny
78°
Winds: 0 to 5 mph NNW
Sunny, with a high near 78. North northwest wind 0 to 5 mph.

Friday Night

Partly Cloudy
54°
Winds: 0 to 5 mph NW
Partly cloudy, with a low around 54. Northwest wind 0 to 5 mph.

Saturday

Mostly Sunny
70°
Winds: 0 to 10 mph NW
Mostly sunny, with a high near 70.

Saturday Night

Mostly Clear
53°
Winds: 5 mph NW
Mostly clear, with a low around 53.

Sunday

Sunny
72°
Winds: 5 to 15 mph NW
Sunny, with a high near 72.

Sunday Night

Mostly Clear
59°
Winds: 5 to 10 mph NW
Mostly clear, with a low around 59.

Monday

Sunny
73°
Winds: 5 to 15 mph NW
Sunny, with a high near 73.

Monday Night

Mostly Clear
58°
Winds: 5 to 10 mph NNW
Mostly clear, with a low around 58.

Tuesday

Sunny
76°
Winds: 5 to 10 mph NNW
Sunny, with a high near 76.

Tuesday Night

Mostly Clear
57°
Winds: 5 to 10 mph NNW
Mostly clear, with a low around 57.

Wednesday

Sunny
75°
Winds: 5 to 15 mph NNW
Sunny, with a high near 75.

Coastal Waters Forecast for California

National Weather Service Los Angeles/Oxnard CA

for the southern California coast and Santa Barbara Channel including the Channel Islands National Marine Sanctuary and National Park.at 20Z or 1 PM PDT, a 1021 mb surface high was centered about 550 NM west of Point Conception, while a 1013 mb low was centered in extreme southeastern California.

Point Piedras Blancas to San Mateo Point CA out 60 NM including the Channel Islands National Marine Sanctuary See weather.gov/marine/wavedetail for more info on the new Wave Detail format.

Point Piedras Blancas to Point Sal westward out to 10 NM

TONIGHT
NW wind 5 to 10 kt Seas 2 to 3 ft Wave Detail: NW 2 ft at 7 seconds and S 2 ft at 14 seconds
THU
NW wind 10 to 15 kt Seas 3 to 4 ft Wave Detail: NW 3 ft at 7 seconds and S 2 ft at 14 seconds
THU NIGHT
NW wind 10 to 15 kt, becoming N 5 to 10 kt after midnight Seas 3 to 4 ft Wave Detail: NW 4 ft at 8 seconds and S 2 ft at 14 seconds
FRI
Light winds, becoming W 5 to 10 kt in the afternoon Seas 3 to 5 ft Wave Detail: NW 4 ft at 9 seconds and S 2 ft at 14 seconds
FRI NIGHT
NW wind 5 to 10 kt in the evening, becoming light Seas 3 to 5 ft Wave Detail: W 4 ft at 11 seconds and S 2 ft at 14 seconds
SAT
NW wind 5 to 10 kt, becoming 10 to 15 kt in the afternoon Seas 4 to 6 ft Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 15 seconds
SAT NIGHT
NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight Seas 6 to 9 ft Wave Detail: NW 7 ft at 10 seconds and SW 2 ft at 14 seconds
SUN
NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon Seas 6 to 9 ft Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 14 seconds
SUN NIGHT
NW wind 15 to 25 kt, becoming 10 to 20 kt after midnight Seas 6 to 8 ft Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 14 seconds
MON
NW wind 10 to 20 kt Seas 4 to 6 ft Wave Detail: NW 5 ft at 10 seconds, N 2 ft at 10 seconds and S 2 ft at 15 seconds
MON NIGHT
NW wind 10 to 20 kt Seas 4 to 6 ft Wave Detail: NW 2 ft at 6 seconds and NW 5 ft at 12 seconds
Reporting time 01:58 PM PDT Wed Mar 18 2026

Point Piedras Blancas to Point Sal from 10 to 60 NM

TONIGHT
NW wind 10 to 15 kt Seas 4 ft Wave Detail: NW 4 ft at 7 seconds and S 3 ft at 14 seconds
THU
NW wind 10 to 20 kt Seas 4 ft Wave Detail: NW 4 ft at 7 seconds and S 2 ft at 14 seconds
THU NIGHT
NW wind 15 to 25 kt Seas 4 to 6 ft Wave Detail: NW 5 ft at 7 seconds and S 2 ft at 14 seconds
FRI
NW wind 10 to 20 kt Seas 5 to 6 ft Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds
FRI NIGHT
NW wind 10 to 20 kt Seas 5 to 6 ft Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds
SAT
NW wind 15 to 25 kt with gusts to 30 kt Seas 6 to 9 ft Wave Detail: NW 8 ft at 10 seconds and S 2 ft at 15 seconds
SAT NIGHT
NW wind 25 to 30 kt Seas 9 to 11 ft Wave Detail: NW 11 ft at 10 seconds and S 2 ft at 14 seconds
SUN
NW wind 20 to 30 kt Seas 9 to 11 ft Wave Detail: NW 11 ft at 10 seconds and S 2 ft at 14 seconds
SUN NIGHT
NW wind 20 to 25 kt Seas 8 to 10 ft Wave Detail: NW 10 ft at 10 seconds and S 2 ft at 14 seconds
MON
NW wind 15 to 25 kt Seas 7 to 8 ft Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 15 seconds
MON NIGHT
NW wind 15 to 20 kt Seas 7 to 8 ft Wave Detail: NW 3 ft at 7 seconds, NW 7 ft at 13 seconds and S 2 ft at 15 seconds
Reporting time 01:58 PM PDT Wed Mar 18 2026

Waters from Pt Sal to Santa Cruz Island CA and westward 60 nm
including San Miguel and Santa Rosa Islands

TONIGHT
NW wind 10 to 15 kt Seas 3 to 4 ft Wave Detail: NW 3 ft at 7 seconds and S 3 ft at 14 seconds
THU
NW wind 10 to 20 kt, becoming 5 to 10 kt in the afternoon Seas 3 to 4 ft Wave Detail: NW 4 ft at 6 seconds and S 2 ft at 14 seconds
THU NIGHT
NW wind 10 to 20 kt Seas 4 to 5 ft Wave Detail: NW 5 ft at 8 seconds and S 2 ft at 14 seconds
FRI
NW wind 10 to 15 kt, becoming 5 to 10 kt in the afternoon Seas 4 to 5 ft Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds
FRI NIGHT
NW wind 10 to 15 kt, becoming 5 to 10 kt after midnight Seas 4 to 6 ft Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds
SAT
NW wind 10 to 20 kt, becoming 15 to 25 kt in the afternoon Seas 4 to 6 ft, building to 6 to 8 ft Wave Detail: NW 6 ft at 10 seconds and SW 2 ft at 14 seconds
SAT NIGHT
NW wind 20 to 30 kt, becoming 25 to 30 kt after midnight Seas 6 to 9 ft, building to 8 to 10 ft Wave Detail: NW 10 ft at 10 seconds and S 2 ft at 14 seconds
SUN
NW wind 25 to 30 kt Seas 8 to 11 ft Wave Detail: NW 11 ft at 10 seconds and S 2 ft at 14 seconds
SUN NIGHT
NW wind 25 to 30 kt, becoming 20 to 25 kt after midnight Seas 7 to 10 ft Wave Detail: NW 9 ft at 11 seconds and S 2 ft at 14 seconds
MON
NW wind 20 to 25 kt, becoming 15 to 20 kt in the afternoon Seas 6 to 8 ft Wave Detail: NW 7 ft at 10 seconds and S 2 ft at 15 seconds
MON NIGHT
NW wind 20 to 25 kt Seas 6 to 8 ft Wave Detail: NW 3 ft at 7 seconds, NW 7 ft at 11 seconds and S 2 ft at 15 seconds
Reporting time 01:58 PM PDT Wed Mar 18 2026

Outer waters from Santa Cruz Island to San Clemente Island to 60 NM
offshore including San Nicolas and Santa Barbara Islands

TONIGHT
W wind 10 to 15 kt Seas 3 to 4 ft Wave Detail: W 2 ft at 5 seconds, NW 2 ft at 8 seconds and S 2 ft at 14 seconds
THU
W wind 10 to 15 kt, becoming 5 to 10 kt in the afternoon Seas 2 to 4 ft Wave Detail: W 3 ft at 7 seconds and S 2 ft at 14 seconds
THU NIGHT
W wind 10 to 20 kt Seas 3 to 4 ft Wave Detail: W 3 ft at 6 seconds and S 2 ft at 14 seconds
FRI
W wind 5 to 10 kt Seas 3 to 5 ft Wave Detail: W 4 ft at 9 seconds and S 2 ft at 14 seconds
FRI NIGHT
W wind 10 to 15 kt, becoming 5 to 10 kt after midnight Seas 3 to 5 ft Wave Detail: W 4 ft at 10 seconds and SW 2 ft at 14 seconds
SAT
NW wind 5 to 10 kt Seas 3 to 5 ft Wave Detail: NW 2 ft at 9 seconds, W 4 ft at 11 seconds and S 2 ft at 15 seconds
SAT NIGHT
NW wind 10 to 20 kt, becoming 20 to 30 kt after midnight Seas 5 to 7 ft Wave Detail: NW 5 ft at 9 seconds and S 2 ft at 14 seconds
SUN
NW wind 20 to 30 kt, becoming 15 to 25 kt in the afternoon Seas 6 to 8 ft Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds
SUN NIGHT
NW wind 15 to 25 kt Seas 6 to 8 ft Wave Detail: NW 5 ft at 10 seconds and S 2 ft at 14 seconds
MON
NW wind 15 to 25 kt Seas 5 to 7 ft Wave Detail: NW 5 ft at 9 seconds, N 2 ft at 10 seconds and S 2 ft at 15 seconds
MON NIGHT
NW wind 10 to 20 kt Seas 4 to 6 ft Wave Detail: NW 2 ft at 6 seconds, NW 5 ft at 9 seconds and S 2 ft at 15 seconds
Reporting time 01:58 PM PDT Wed Mar 18 2026

East Santa Barbara Channel from Pt Conception to Pt Mugu CA
including Santa Cruz Island

TONIGHT
W wind 5 to 10 kt, becoming light Seas 2 to 3 ft Wave Detail: W 2 ft at 5 seconds
THU
SE wind 5 to 10 kt in the morning, becoming light Seas 2 ft Wave Detail: W 2 ft at 7 seconds
THU NIGHT
W wind 5 to 10 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 7 seconds
FRI
Light winds Seas 2 to 3 ft Wave Detail: W 2 ft at 9 seconds
FRI NIGHT
W wind 5 to 10 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 11 seconds
SAT
Light winds Seas 2 to 3 ft Wave Detail: W 3 ft at 11 seconds
SAT NIGHT
NW wind 5 to 10 kt Seas 2 to 4 ft Wave Detail: W 4 ft at 10 seconds
SUN
N wind 5 to 10 kt, becoming W 10 to 15 kt in the afternoon Seas 3 to 5 ft Wave Detail: NW 4 ft at 10 seconds
SUN NIGHT
Western Portion, NW wind 10 to 20 kt Eastern Portion, Light winds Seas 3 to 5 ft Wave Detail: NW 4 ft at 9 seconds
MON
Light winds Seas 2 to 3 ft Wave Detail: W 3 ft at 8 seconds
MON NIGHT
W wind 10 to 15 kt, becoming N 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: W 2 ft at 7 seconds
Reporting time 01:58 PM PDT Wed Mar 18 2026

Inner waters from Point Mugu to San Mateo Pt CA including Santa
Catalina and Anacapa Islands

TONIGHT
W wind 10 to 15 kt, becoming SE 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: W 2 ft at 5 seconds and S 2 ft at 14 seconds
THU
Light winds, becoming NW 5 to 10 kt in the afternoon Seas 2 ft
THU NIGHT
W wind 10 to 15 kt, becoming 5 to 10 kt after midnight Seas 2 to 3 ft Wave Detail: W 2 ft at 5 seconds and S 2 ft at 14 seconds
FRI
Light winds, becoming W 5 to 10 kt in the afternoon Seas 2 to 3 ft Wave Detail: W 2 ft at 8 seconds and S 2 ft at 13 seconds
FRI NIGHT
W wind 5 to 10 kt Seas 2 to 3 ft Wave Detail: W 2 ft at 9 seconds and S 2 ft at 14 seconds
SAT
Light winds, becoming W 5 to 10 kt in the afternoon Seas 2 to 3 ft Wave Detail: W 2 ft at 10 seconds and S 2 ft at 15 seconds
SAT NIGHT
W wind 5 to 10 kt in the evening, becoming light Seas 2 to 3 ft Wave Detail: W 3 ft at 10 seconds and SW 2 ft at 14 seconds
SUN
Light winds Seas 2 to 3 ft Wave Detail: W 3 ft at 10 seconds and S 2 ft at 14 seconds
SUN NIGHT
W wind 5 to 10 kt in the evening, becoming light Seas 2 to 4 ft Wave Detail: W 3 ft at 9 seconds
MON
Light winds Seas 2 to 3 ft Wave Detail: W 3 ft at 8 seconds
MON NIGHT
W wind 5 to 10 kt in the evening, becoming light Seas 2 ft Wave Detail: W 2 ft at 7 seconds
Reporting time 01:58 PM PDT Wed Mar 18 2026

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