Coastal Waters Forecast
Issued by NWS San Diego, CA
Issued by NWS San Diego, CA
728 FZUS56 KSGX 201002 CWFSGX Coastal Waters Forecast for California National Weather Service San Diego CA 202 AM PST Thu Nov 20 2025 San Mateo Point to the Mexican border out 60 nm PZZ700-202300- 202 AM PST Thu Nov 20 2025 .Synopsis for the far Southern California coast... At 1 AM, a 1018 mb high was over Bakersfield and a 1014 mb low was 50 nautical miles west of Point Reyes. A cold front extended from the low toward the southwest. This front will move through the Southern California coastal waters this evening, with strengthening southerly winds this afternoon turning westerly tonight, generating choppy seas. There is also a slight chance of thunderstorms late this afternoon through Friday afternoon. Any thunderstorm could bring lightning, gusty winds, choppy seas, and a waterspout. Offshore flow prevails Friday into Saturday, followed by weak and variable flow through Monday. $$ PZZ740-202300- Coastal Waters from San Mateo Point to the Mexican Border and out to 10 nm- 202 AM PST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...Wind S 10 to 15 kt. Seas 2 ft or less... becoming 3 ft this afternoon. S 2 ft at 4 seconds, W 1 foot at 11 seconds and SW 1 foot at 14 seconds. A slight chance of showers this morning, then a chance of showers this afternoon. .TONIGHT...Wind S 15 to 20 kt...becoming W after midnight. Seas 3 to 5 ft. Wave Detail: S 3 ft at 5 seconds, W 2 ft at 11 seconds and SW 1 foot at 14 seconds. Showers with a slight chance of tstms. .FRI...Wind SE 10 kt. Seas 4 to 6 ft. Wave Detail: SE 2 ft at 4 seconds, W 5 ft at 10 seconds and SW 1 foot at 14 seconds. Showers likely with a slight chance of tstms in the morning, then a chance of showers with a slight chance of tstms in the afternoon. .FRI NIGHT...Wind NE 10 kt. Seas 3 to 4 ft. Wave Detail: NE 1 foot at 4 seconds, W 4 ft at 11 seconds and SW 2 ft at 15 seconds. A chance of showers, mainly in the evening. .SAT...Wind E 10 kt in the morning...becoming variable less than 10 kt. Seas 3 ft. Wave Detail: NE 1 foot at 4 seconds, W 3 ft at 15 seconds and SW 2 ft at 15 seconds. A slight chance of showers in the morning. .SAT NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: NW 1 foot at 4 seconds, S 2 ft at 15 seconds and W 2 ft at 15 seconds. .SUN...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: NE 1 foot at 4 seconds, S 2 ft at 14 seconds and W 3 ft at 15 seconds. .SUN NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: NW 1 foot at 4 seconds, S 2 ft at 14 seconds and W 3 ft at 17 seconds. .MON...Wind variable less than 10 kt...becoming NW 10 kt in the afternoon. Seas 3 ft. Wave Detail: N 1 foot at 4 seconds, S 2 ft at 13 seconds and W 2 ft at 15 seconds. .MON NIGHT...Wind variable less than 10 kt. Seas 3 ft. Wave Detail: NW 1 foot at 4 seconds, S 2 ft at 14 seconds and W 2 ft at 15 seconds. Winds and seas higher in and near tstms. $$ PZZ745-202300- Waters from San Mateo Point to the Mexican Border Extending 10 to 60 nm out including San Clemente Island- 202 AM PST Thu Nov 20 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...Wind SW 10 kt...becoming S this afternoon. Seas 3 to 4 ft. Wave Detail: W 1 foot at 4 seconds, W 2 ft at 11 seconds and S 1 foot at 14 seconds. A slight chance of showers this morning, then a chance of showers this afternoon. .TONIGHT...Wind SW 15 to 20 kt...becoming W after midnight. Seas 3 to 4 ft...building to 5 to 8 ft after midnight. W 3 ft at 5 seconds, W 6 ft at 10 seconds and S 1 foot at 14 seconds. Showers with a slight chance of tstms, mainly in the evening. .FRI...Wind SW 10 to 15 kt...becoming SE in the afternoon. Seas 5 to 8 ft...subsiding to 4 to 6 ft in the afternoon. Wave Detail: NE 2 ft at 4 seconds, W 6 ft at 10 seconds and S 1 foot at 14 seconds...subsiding to E 2 ft at 4 seconds, W 5 ft at 10 seconds and S 1 foot at 17 seconds. A chance of showers. .FRI NIGHT...Wind NE 10 kt. Seas 3 to 5 ft. Wave Detail: NE 2 ft at 4 seconds, W 4 ft at 13 seconds and S 2 ft at 17 seconds. A slight chance of showers. .SAT...Wind NE 10 kt...becoming NW in the afternoon. Seas 3 to 5 ft. Wave Detail: N 1 foot at 4 seconds, W 3 ft at 15 seconds and S 2 ft at 15 seconds. .SAT NIGHT...Wind variable less than 10 kt. Seas 3 to 5 ft. Wave Detail: NW 1 foot at 4 seconds, W 3 ft at 15 seconds and S 2 ft at 15 seconds. .SUN...Wind variable less than 10 kt. Seas 3 to 5 ft. Wave Detail: N 1 foot at 4 seconds, S 2 ft at 14 seconds and W 3 ft at 17 seconds. .SUN NIGHT...Wind variable less than 10 kt. Seas 3 to 5 ft. Wave Detail: NW 1 foot at 4 seconds, S 2 ft at 14 seconds and W 3 ft at 17 seconds. .MON...Wind variable less than 10 kt...becoming NW 10 kt in the afternoon. Seas 3 to 4 ft. Wave Detail: NW 1 foot at 4 seconds, S 2 ft at 14 seconds and NW 3 ft at 15 seconds. .MON NIGHT...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, S 2 ft at 14 seconds and NW 3 ft at 15 seconds. Winds and seas higher in and near tstms. $$