


Coastal Waters Forecast
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
543 FZUS56 KSGX 170902 CWFSGX Coastal Waters Forecast for California National Weather Service San Diego CA 202 AM PDT Thu Jul 17 2025 San Mateo Point to the Mexican border out 60 nm PZZ700-172130- 202 AM PDT Thu Jul 17 2025 .Synopsis for the far Southern California coast... At 2 AM, a 1035 mb high was about 900 nautical miles west of Cape Blanco, OR and a 1008 mb low was over southern NV and southeast CA. Generally weak onshore flow expected to persist through Monday. $$ PZZ740-172130- Coastal Waters from San Mateo Point to the Mexican Border and out to 10 nm- 202 AM PDT Thu Jul 17 2025 .TODAY...Wind variable less than 10 kt...becoming W 10 kt this afternoon. Seas 3 ft. Wave Detail: W 1 foot at 4 seconds, W 1 foot at 10 seconds and SW 3 ft at 15 seconds. .TONIGHT...Wind NW 10 kt in the evening...becoming variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: NW 1 foot at 4 seconds, W 2 ft at 10 seconds and SW 3 ft at 15 seconds. A slight chance of tstms after midnight. .FRI...Wind W 10 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at 4 seconds, W 2 ft at 9 seconds and SW 3 ft at 14 seconds. .FRI NIGHT...Wind W 10 kt in the evening...becoming variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at 5 seconds and SW 2 ft at 14 seconds. .SAT...Wind W 10 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 14 seconds. .SAT NIGHT...Wind W 10 kt in the evening...becoming variable less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 13 seconds. .SUN...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 13 seconds. .SUN NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 13 seconds. .MON...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 ft. Wave Detail: SW 2 ft at 5 seconds and S 2 ft at 12 seconds. .MON NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 13 seconds. Winds and seas higher in and near tstms. $$ PZZ745-172130- Waters from San Mateo Point to the Mexican Border Extending 10 to 60 nm out including San Clemente Island- 202 AM PDT Thu Jul 17 2025 .TODAY...Wind variable less than 10 kt...becoming W 10 kt this afternoon. Seas 3 to 4 ft. Wave Detail: W 2 ft at 4 seconds, W 1 foot at 10 seconds and S 3 ft at 15 seconds. .TONIGHT...Wind NW 10 kt. Seas 3 to 4 ft. Wave Detail: NW 1 foot at 4 seconds, NW 2 ft at 10 seconds and S 3 ft at 14 seconds. A slight chance of tstms after midnight. .FRI...Wind W 10 kt. Seas 4 ft. Wave Detail: W 2 ft at 4 seconds, W 2 ft at 9 seconds and S 3 ft at 14 seconds. .FRI NIGHT...Wind W 10 kt. Seas 4 ft. Wave Detail: W 3 ft at 5 seconds and S 3 ft at 13 seconds. .SAT...Wind W 10 to 15 kt. Seas 4 ft. Wave Detail: W 3 ft at 5 seconds and S 3 ft at 14 seconds. .SAT NIGHT...Wind W 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: W 3 ft at 5 seconds and S 2 ft at 13 seconds. .SUN...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: W 3 ft at 5 seconds and S 2 ft at 13 seconds. .SUN NIGHT...Wind W 10 kt in the evening...becoming variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 13 seconds. .MON...Wind variable less than 10 kt...becoming W 10 kt in the afternoon. Seas 3 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 12 seconds. .MON NIGHT...Wind variable less than 10 kt. Seas 3 to 4 ft. Wave Detail: W 2 ft at 5 seconds and S 2 ft at 13 seconds. Winds and seas higher in and near tstms. $$