High pressure will build into the waters tonight. A thermal trough develops over northern California Monday with increasing north winds over the waters into Wednesday. A slight decrease in the north winds is expected Thursday.

NW wind 5 to 10 kt. Wind waves 2 ft or less. Mixed swell W 1 to 2 ft at 9 seconds and S 1 ft at 13 seconds. Numerous showers.

N wind 5 to 15 kt...rising to 15 to 25 kt. Wind waves 2 ft or less...becoming 3 to 5 ft in the afternoon. Mixed swell W 1 ft at 8 seconds and S 1 ft at 13 seconds.

N wind 15 to 25 kt...rising to 30 kt early in the morning. Occasional gusts up to 40 kt. Wind waves 6 to 9 ft. Mixed swell W 1 ft at 8 seconds and S 1 ft at 12 seconds.

N wind 30 kt. Wind waves 9 to 12 ft. Mixed swell W 1 ft and S 1 ft.

N gales 35 kt...easing to 30 kt after midnight. Wind waves 10 to 13 ft. Mixed swell W 1 ft and S 1 ft.

N wind 30 kt. Wind waves 9 to 12 ft... subsiding to 6 to 9 ft in the afternoon. Mixed swell W 1 ft and S 1 ft.

N wind 30 kt...becoming 20 to 25 kt after midnight. Wind waves 7 to 10 ft. Mixed swell W 1 ft and S 1 ft.

N wind 25 kt. Wind waves 7 ft. Mixed swell W 1 to 2 ft and S 1 ft.

N wind 20 kt. Wind waves 5 ft. Mixed swell W 2 ft and S 1 ft.