San Clemente Island CA to Guadalupe Island from 60 NM offshore west to 120W Offshore Forecast
| Tonight...N Winds 5 To 15 Kt. Seas 4 To 6 Ft. |
| Mon...N To Ne Winds 5 To 15 Kt, Becoming Ne. Seas 3 To 6 Ft. |
| Mon Night...Ne Winds 5 To 10 Kt, Becoming E To Se. Seas 3 To 5 Ft. |
| Tue...Ne Winds Less Than 10 Kt, Increasing To 5 To 15 Kt. Seas 3 To 5 Ft. |
| Tue Night...E To Ne Winds 5 To 15 Kt, Becoming S To Se. Seas 3 To 5 Ft. |
| Wed...Se Winds 10 To 20 Kt. Seas 4 To 7 Ft. |
| Wed Night...S To Se Winds 10 To 20 Kt. Seas 4 To 7 Ft. |
| Thu...S To Sw Winds 10 To 20 Kt, Becoming Sw 10 To 15 Kt. Seas 4 To 7 Ft. |
| Thu Night...W To Sw Winds 5 To 10 Kt, Becoming Variable. Seas 4 To 6 Ft. |
| Fri...S Winds Less Than 10 Kt. Seas 4 To 5 Ft. |
| Fri Night...S Winds Less Than 10 Kt, Increasing To 5 To 15 Kt. Seas 4 To 5 Ft. |
| Area Forecast Discussion National Weather Service San Diego CA 1210am PST Monday Dec 29 2025 Synopsis Dry and warm weather continues into Tuesday with increased Santa Ana winds across the mountains and western valleys. Cloudier skies will enter the region by Tuesday as low pressure systems across the Pacific move over our area this week. This will bring chances for periods of rain showers by New Year's Eve into this weekend. For Extreme Southwestern California Including Orange... San Diego...Western Riverside and Southwestern San Bernardino Counties North and east winds continue to be gusty overnight with winds mainly 35-50 MPH across the coastal slopes and 25-35 MPH across the Inland Empire and foothills of Orange and San Diego counties. These Santa Ana winds are associated with a surface area of high pressure situated over the Great Basin of western Utah. The pressure gradient between this and our area will continue to strengthen into the morning and afternoon hours, where winds will become most widespread. By the afternoon, chances for wind gusts near 20 MPH increase for areas closer to the coast. Winds will become more localized Monday night with a slight resurgence on Tuesday morning for the mountains and western valleys with gusts 25-45+ MPH. This wind pattern will allow temperatures to also rise across the region today and Tuesday. The best chance to see highs over 75 degrees will be areas of East County in San Diego on Tuesday with around a 50-60% chance of occurrence. Take in those clear blue skies today because you may not be seeing them much this week...! An area of low pressure approximately 1,000 miles southwest of San Diego will begin to move northward Monday evening into Tuesday. Subtropical moisture associated with this system in the form of mid/high-level clouds will begin to overspread the area during this time. The temperature forecast will be a bit trickier with this as extensive cloud cover may limit peak daytime heating on Tuesday, though still fairly confident in seeing highs in the 70s west of the mountains and in the lower deserts late Tuesday morning/afternoon with the day being mainly dry. As the system moves further north on Wednesday, chances for mainly light showers will increase throughout the day. Around New Year's Eve, chances for measurable rainfall increase near 60-80% along and west of the mountains to near 40-60% across the desert regions. There continues to be low confidence on exact rain amounts but there is increasing confidence the heaviest rain will fall sometime late Wednesday night into Thursday morning. Global models are beginning to agree on shower chances lowering by late Thursday into Friday as the system passes to the east and another low pressure system delays off the coast. NBM chances for precipitation are near 50% at this time but would not be surprised if these lower some in the coming days' forecast as some areas may see very little to no rain during this time. The details about the low pressure system off the coast by late week still remain uncertain. Models show a fairly northerly track with this feature, so chances for the heaviest rainfall will be closer to the LA Basin by late Friday or Saturday. For both of these events this week, subtropical moisture from the south and southwest will keep snow levels over 8,000 where most of our friends across the mountains will see only rain. Cooler air with a semi-active weather pattern remaining in place, may bring lower snow levels and continued chances for wet weather across SoCal by next weekend. Marine No hazardous marine weather conditions expected through Saturday. Skywarn Skywarn activation is not requested. However weather spotters are encouraged to report significant weather conditions. NOAA San Diego CA Office: Watches - Warnings - Advisories CA...Wind Advisory until 1pm PST Tuesday for San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Mountains-San Diego County Valleys-San Gorgonio Pass near Banning-Santa Ana Mountains and Foothills. PZ...None. |
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