Weather in San Diego

Heat Advisory issued July 29 at 9:00PM PDT until August 2 at 8:00PM PDT by NWS San Diego CA

Areas: San Diego County Coastal Areas

29/07/2026, 21:00:00 → 30/07/2026, 06:15:00

* WHAT...High temperatures in the mid 80s to around 90 for the mesas and other higher coastal terrain expected. * WHERE...San Diego County Coastal Areas. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Hot temperatures may cause heat illnesses.

Extreme Heat Warning issued July 29 at 9:00PM PDT until August 2 at 8:00PM PDT by NWS San Diego CA

Areas: San Diego County Inland Valleys

29/07/2026, 21:00:00 → 30/07/2026, 06:15:00

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s in the western valleys to around 105 near the foothills expected. * WHERE...San Diego County Valleys. * WHEN...From 10 AM Friday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Extreme Heat Warning issued July 29 at 9:00PM PDT until August 2 at 8:00PM PDT by NWS San Diego CA

Areas: San Diego County Mountains

29/07/2026, 21:00:00 → 30/07/2026, 06:15:00

* WHAT...Dangerously hot conditions with high temperatures in the mid 90s to 105 expected. * WHERE...San Diego County Mountains. * WHEN...From 10 AM Thursday to 8 PM PDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat events.

Coastal Flood Advisory issued July 29 at 5:16PM PDT until August 1 at 3:00AM PDT by NWS San Diego CA

Areas: San Diego County Coastal Areas; Orange County Coastal

29/07/2026, 17:16:00 → 30/07/2026, 06:30:00

* WHAT...For the Coastal Flood Advisory, minor coastal flooding expected during evening high tides. For the High Surf Advisory, large breaking waves of 5-8 feet with sets up to 9 feet on south-southwest facing beaches and 3-6 feet on west-facing beaches. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Coastal Flood Advisory, from 5 PM today to 3 AM PDT Saturday. For the High Surf Advisory, from 5 PM today to 5 PM PDT Saturday. * IMPACTS...Flooding of low-lying beach parking lots, boardwalks, and roads. Dangerous swimming and surfing conditions and localized beach erosion. Breaking waves can sweep people off jetties and docks, and into dangerous seas. * ADDITIONAL DETAILS...A 5 foot swell (from 160-190 degrees) associated with Hurricane Genevieve with a period around 14 seconds builds this evening into Thursday. Highest surf expected Thursday and Friday when the swell direction is 180-190 degrees. Swell and associated surf look to subside late Saturday into Sunday.

High Surf Advisory issued July 29 at 5:16PM PDT until August 1 at 5:00PM PDT by NWS San Diego CA

Areas: San Diego County Coastal Areas; Orange County Coastal

29/07/2026, 17:16:00 → 30/07/2026, 06:30:00

* WHAT...For the Coastal Flood Advisory, minor coastal flooding expected during evening high tides. For the High Surf Advisory, large breaking waves of 5-8 feet with sets up to 9 feet on south-southwest facing beaches and 3-6 feet on west-facing beaches. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...For the Coastal Flood Advisory, from 5 PM today to 3 AM PDT Saturday. For the High Surf Advisory, from 5 PM today to 5 PM PDT Saturday. * IMPACTS...Flooding of low-lying beach parking lots, boardwalks, and roads. Dangerous swimming and surfing conditions and localized beach erosion. Breaking waves can sweep people off jetties and docks, and into dangerous seas. * ADDITIONAL DETAILS...A 5 foot swell (from 160-190 degrees) associated with Hurricane Genevieve with a period around 14 seconds builds this evening into Thursday. Highest surf expected Thursday and Friday when the swell direction is 180-190 degrees. Swell and associated surf look to subside late Saturday into Sunday.