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   PZZ600-051000-  207 PM PDT Wed Oct 4 2023    Synopsis for the southern California coast and Santa Barbara  Channel including the Channel Islands National Marine Sanctuary  and National Park...at 20Z, or 1 PM PDT, a 1031 MB surface high was  centered about 550 NM W of Portland, Oregon, extending to 1022 MB  surface ridge into western Utah. A 1009 MB thermal low was located  over southern Arizona, and a trough of low pressure was along the  California coast. A shallow marine layer depth in place will produce  patchy to areas of dense fog over the northern and outer waters  tonight into Thu morning. Locally gusty northeast winds with choppy  seas are possible nearshore S of Point Mugu tonight and Thu  morning.    $$
   PZZ645-051000-  Point Piedras Blancas to Point Sal westward out to 10 NM-  207 PM PDT Wed Oct 4 2023    TONIGHT  Winds variable 10 kt or less. Wind waves 2 ft or less.  NW swell 4 to 6 ft at 12 seconds. Patchy dense fog with vsby 1 nm  or less after midnight.  THU  NE winds 5 to 10 kt, becoming W in the afternoon. Wind waves  2 ft or less. NW swell 3 to 5 ft at 11 seconds. Patchy dense fog  with vsby 1 nm or less in the morning.  THU NIGHT  NW winds 10 kt in the evening, becoming variable 10 kt  or less. Wind waves 2 ft or less. NW swell 3 to 5 ft at 11 seconds.  Patchy dense fog with vsby 1 nm or less after midnight.  FRI  N winds 5 to 10 kt, becoming NW 10 to 15 kt in the  afternoon. Wind waves 2 ft or less. NW swell 3 to 4 ft at  11 seconds.  FRI NIGHT  NW winds 10 kt in the evening, becoming variable 10 kt  or less. Wind waves 2 ft or less. NW swell 3 to 4 ft at 12 seconds.  SAT  N winds 5 to 10 kt, becoming variable 10 kt or less in the  afternoon. Wind waves 2 ft or less. Mixed swell NW 3 ft at  12 seconds and S 2 ft at 13 seconds.  SAT NIGHT  Winds variable 10 kt or less. Wind waves 2 ft or less.  Mixed swell NW 3 ft and S 2 ft. Patchy fog after midnight.  SUN  NW winds 5 to 10 kt. Wind waves 2 ft or less. NW swell 3 to  4 ft. Patchy fog.  MON  NW winds 10 to 15 kt. Wind waves 2 ft or less. NW swell 3 to  5 ft. Patchy fog.    $$

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