San Mateo Point CA to the Mexican Border and out 30 NM Marine Forecast
| Tonight...Wind Nw 10 Kt. Seas 3 To 4 Ft. Wave Detail: Nw 2 Ft At 4 Seconds, W 3 Ft At 12 Seconds And S 1 Foot At 14 Seconds. |
| Thu...Wind W 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 2 Ft At 4 Seconds, W 3 Ft At 7 Seconds And S 1 Foot At 16 Seconds. |
| Thu Night...Wind W 10 Kt In The Evening...Becoming Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 7 Seconds And S 1 Foot At 17 Seconds. |
| Fri...Wind Variable Less Than 10 Kt...Becoming W 10 Kt In The Afternoon. Seas 3 To 4 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 12 Seconds And S 1 Foot At 15 Seconds. |
| Fri Night...Wind Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 12 Seconds And S 2 Ft At 16 Seconds. |
| Sat...Wind Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 3 Ft At 13 Seconds And S 2 Ft At 15 Seconds. |
| Sat Night...Wind Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 12 Seconds And S 2 Ft At 15 Seconds. |
| Sun...Wind Variable Less Than 10 Kt. Seas 3 To 4 Ft. Wave Detail: W 3 Ft At 12 Seconds And S 2 Ft At 14 Seconds. |
| Sun Night...Wind Variable Less Than 10 Kt. Seas 3 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 3 Ft At 12 Seconds And S 2 Ft At 14 Seconds. |
| Mon...Wind Variable Less Than 10 Kt. Seas 3 Ft. Wave Detail: W 1 Foot At 4 Seconds, S 2 Ft At 14 Seconds And W 2 Ft At 15 Seconds. |
| Mon Night...Wind Variable Less Than 10 Kt. Seas 3 Ft. Wave Detail: W 1 Foot At 4 Seconds, W 2 Ft At 14 Seconds And S 2 Ft At 14 Seconds. |
| Area Forecast Discussion National Weather Service San Diego CA 929am PDT Thu May 21 2026 Synopsis There will be increasing coverage of night and morning coastal low clouds into the weekend with the low clouds spreading farther into the valleys. High temperatures will also cool for the coast and valleys from 5 to 10 degrees above average to around average. For Monday through Wednesday of next week, there will be additional deepening of the marine layer and cooling. Night and morning coastal low clouds will extend well inland and onto the coastal slopes of the mountains with slower and more limited daytime clearing. For Extreme Southwestern California Including Orange... San Diego...Western Riverside and Southwestern San Bernardino Counties .Updated Aviation and Marine Discussion... Short Term - Today Through Saturday High temperatures for today will cool a few degrees from the coast into the valleys while the mountains and deserts will warm another few to around 5 degrees. High temperatures will be around 5 to 10 degrees above average for the valleys and inland coastal areas with the lower deserts and locations near the coast a few degrees above average. High temperatures for today will range from around 70 near the coast to the mid 80s to lower 90s for the Inland Empire with the upper 90s for the lower deserts. There will be additional cooling for the coast and valleys on Friday with not much change for most areas on Saturday. High temperatures on Saturday will be mostly within a few degrees of average, ranging from around 70 near the coast to the 80s for the Inland Empire with the lower deserts in the upper 90s. There is a weak coastal eddy early this morning with satellite imagery showing low clouds along the northern Baja coast and coastal waters extending northward along the San Diego County coast and into southern Orange County. Coastal low clouds will gradually increase in coverage and spread farther inland into the valleys into the weekend as the marine layer slowly deepens with low clouds spreading inland into portions of the inland valleys on Saturday morning. Long Term - Sunday through Wednesday Sunday will be similar to Saturday. For Monday through Wednesday, there will be additional deepening of the marine layer and cooling. Night and morning coastal low clouds will extend well inland and onto the coastal slopes of the mountains with slower and more limited daytime clearing. High temperatures on Tuesday will be as much as 5 to 10 degrees below average for the mountains and valleys with high temperatures ranging from the mid to upper 60s near the coast to the upper 60s to mid 70s for the Inland Empire with the lower deserts in the upper 80s to mid 90s. Marine No hazardous marine conditions are expected through Tuesday morning. 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...None. PZ...None. |
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