Costa Mesa, California Weather:
Active Weather Warnings
Saturday, December 27, 2025
Partly Sunny with Showers
Day 64°
Night 50°
Precipitation 71 %
Wind 4 mph
UV Index (0 - 11+) 2
Weather Forecast History
Last Year's Weather on This Day (December 27, 2024)
Cloudy Weather

Day

64°

Night

50°

Wind

4 mph

UV Index

2

Precipitation

1 %

Weather Alerts and Warnings for

Minor Expected Likely

High Surf Advisory

High Surf Advisory issued December 24 at 2:37AM PST until December 27 at 11:00AM PST by NWS San Diego CA
Dec 24, 2:37 AM Dec 27, 11:00 AM
WHAT: Large breaking waves of 5 to 8 feet with local sets to
9 feet, highest for south-facing beaches.

WHERE: San Diego County Coastal Areas and Orange County
Coastal Areas.

WHEN: Until 11 AM PST Saturday.

IMPACTS: Dangerous swimming and surfing conditions and
localized beach erosion.

ADDITIONAL DETAILS: Minor tidal overflow and coastal flooding
possible for south-facing beaches today, especially during high
tide this morning, due to strong southerly winds.
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Inexperienced swimmers should remain out of the water due to dangerous surf conditions.
Updated: Dec 24, 11:01 AM Source: NWS Alert