AI Summary

Mariners are advised to expect sudden drops in visibility that may fall to one nautical mile or less. Vessels should reduce speed and watch for exposed rocks and other traffic, including large ships navigating the shipping lanes. Operators are urged to rely on radar or GPS navigation when possible, and to consider staying in harbor if such equipment is not available. This guidance was issued by the National Weather Service in Los Angeles/Oxnard on October 3.

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