Santa Cruz Island CA to 120W between 150 and 250 NM Offshore Forecast
| Today...Nw Winds 5 To 10 Kt. Seas 4 To 5 Ft. |
| Tonight...Nw Winds 5 To 10 Kt. Seas 3 To 5 Ft. |
| Thu...N To Nw Winds 5 To 10 Kt. Seas 3 To 4 Ft. |
| Thu Night...Nw Winds 5 To 10 Kt, Increasing To 10 To 15 Kt. Seas 3 To 5 Ft. |
| Fri...N To Nw Winds 5 To 15 Kt. Seas 4 To 6 Ft. |
| Fri Night...N To Nw Winds 5 To 15 Kt. Seas 4 To 6 Ft. |
| Sat...N To Nw Winds 10 To 20 Kt. Seas 5 To 8 Ft. |
| Sat Night...N To Nw Winds 15 To 25 Kt. Seas 6 To 10 Ft. |
| Sun...N To Nw Winds 15 To 25 Kt. Seas 7 To 12 Ft. |
| Sun Night...N To Nw Winds 15 To 25 Kt. Seas 8 To 12 Ft. |
| Area Forecast Discussion National Weather Service San Diego CA 1118am PDT Wednesday Mar 18 2026 Synopsis Well above average conditions will continue through the end of the week. Some cooling is expected through the weekend into early next week, but temperatures will remain above average. Marine layer low clouds and fog will be largely absent from the coast this week, potentially returning by late this weekend. For Extreme Southwestern California Including Orange... San Diego...Western Riverside and Southwestern San Bernardino Counties Temperatures at 11am were running 5 to 10 degrees cooler than yesterday for the coast and parts of the western valleys. The mountains and deserts were running 5 to 10 degrees warmer than yesterday. A daily and monthly high and low temperature records were broken yesterday with more expected to be broken each day through Friday. A climate section can be found below with more information. Widespread moderate to locally major HeatRisk is expected through Friday for most locations and Saturday in the low desert. Reduce outdoor activities if possible between 10am and 5 PM, seek shade, and stay hydrated. The high pressure aloft will peak in strength Friday with high temperatures 20 to 30 degrees above average for this time of year. Overnight lows will also be elevated, which will limit overnight relief from the heat for most locations. Through Friday Widespread temperatures in the 90s to low 100s expected for the inland valleys, with highs in the mid-80s to low 90s for coastal areas away from the immediate coast and the lower elevations of the mountains. In the low deserts, highs will likely exceed 105 degrees in most locations through Saturday. Chances for exceeding 110 degrees on Friday are 70 percent for Indio, 30 percent for Palm Springs, and 20 percent for Borrego Springs. In the High Desert, temperatures will be in the mid- 90s. Weakening high pressure aloft and strengthening onshore flow will bring 4 to 8 degrees of cooling Saturday. That will be most noticeable for locations west of the mountains, but even the deserts will cool 3 to 5 degrees. A weak low pressure system aloft will move east through Southern California into the Great Basin sometime Sunday or Monday. that will bring an uptick in westerly winds Saturday, which have the potential to turn weakly offshore by Sunday or Monday. Weak ridging aloft will return sometime next Tuesday or Wednesday, maintaining above average temperatures. Low clouds will remain absent from the coast through the work week. Patchy low clouds may return with the return of onshore flow over the weekend. Marine No hazardous marine conditions are expected through Sunday. Climate Here are a list of locations currently forecast to break/tie monthly high temperature records through Friday: Today: HIGH RECORD YEAR AVG +/- RAMONA 95 89 IN 1997 68 26 Monthly Record: 94 IDYLLWILD 87 75 IN 2004 60 25 Monthly Record: 82 LAKE CUYAMACA 85 76 IN 2007 56 30 Monthly Record: 82 CAMPO 94 89 IN 2004 68 26 Monthly Record: 92 PALM SPRINGS 106 95 IN 1990 79 28 Monthly Record: 104 INDIO 105 99 IN 2007 81 26 Monthly Record: 104 THERMAL 107 97 IN 1997 82 27 Monthly Record: 103 BORREGO 104 97 IN 1972 80 24 Monthly Record: 101 Thursday: FORECAST HIGH RECORD YEAR AVG +/- RAMONA 96 92 IN 1997 68 28 Monthly Record: 94 BIG BEAR LAKE 81 70 IN 1997 52 28 Monthly Record: 80 IDYLLWILD 88 77 IN 1997 60 27 Monthly Record: 82 PALOMAR MOUNTAIN 86 76 IN 2007 57 28 Monthly Record: 82 LAKE CUYAMACA 88 79 IN 1956 56 30 Monthly Record: 82 CAMPO 97 87 IN 1997 69 26 Monthly Record: 92 PALM SPRINGS 108 97 IN 1997 80 29 Monthly Record: 104 INDIO 108 98 IN 1997 81 28 Monthly Record: 104 THERMAL 108 101 IN 1997 82 29 Monthly Record: 103 BORREGO 106 95 IN 2017 80 24 Monthly Record: 101 Friday: FORECAST HIGH RECORD YEAR AVG +/- RAMONA 97 92 IN 1997 68 28 Monthly Record: 94 BIG BEAR LAKE 81 72 IN 2004 52 29 Monthly Record: 80 IDYLLWILD 88 79 IN 2004 60 27 Monthly Record: 82 PALOMAR MOUNTAIN 87 76 IN 1972 57 29 Monthly Record: 82 LAKE CUYAMACA 88 75 IN 2004 56 32 Monthly Record: 82 CAMPO 97 92 IN 1997 69 27 Monthly Record: 92 PALM SPRINGS 108 98 IN 2004 80 31 Monthly Record: 104 INDIO 109 100 IN 2004 81 31 Monthly Record: 104 THERMAL 111 101 IN 2004 82 32 Monthly Record: 103 BORREGO 107 97 IN 1997 80 26 Monthly Record: 101 Here are a list of locations currently forecast to break/tie monthly highest low temperature records Wednesday through Friday: Thursday: FORECAST LOW RECORD YEAR RIVERSIDE 67 57 IN 1995 Monthly Record: 66 LAKE ELSINORE 62 56 IN 1986 Monthly Record: 61 ALPINE 69 55 IN 1990 Monthly Record: 63 IDYLLWILD 64 43 IN 2017 Monthly Record: 50 LAKE CUYAMACA 64 53 IN 2017 Monthly Record: 55 CAMPO 58 51 IN 1951 Monthly Record: 58 PALM SPRINGS 74 64 IN 2017 Monthly Record: 70 BORREGO 70 64 IN 2013 Monthly Record: 70 Friday: FORECAST LOW RECORD YEAR RIVERSIDE 68 58 IN 1995 Monthly Record: 66 LAKE ELSINORE 64 57 IN 1940 Monthly Record: 61 ALPINE 72 58 IN 2001 Monthly Record: 63 IDYLLWILD 67 45 IN 2017 Monthly Record: 50 LAKE CUYAMACA 66 51 IN 2017 Monthly Record: 55 PALM SPRINGS 75 69 IN 1932 Monthly Record: 70 THERMAL 70 68 IN 1989 Monthly Record: 69 BORREGO 71 65 IN 2017 Monthly Record: 70 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... Heat Advisory until 8pm PDT Friday for Orange County Coastal Areas-Orange County Inland Areas-Riverside County Mountains- San Bernardino County Mountains-San Bernardino and Riverside County Valleys-The Inland Empire-San Diego County Coastal Areas-San Diego County Mountains-San Diego County Valleys-Santa Ana Mountains and Foothills. Extreme Heat Warning until 8pm PDT Saturday for Coachella Valley-San Diego County Deserts-San Gorgonio Pass near Banning. PZ...None.. |