San Diego, CA Severe Weather Alertstar_ratehome

Patchy dense fog currently out over the waters this afternoon will
continue into tonight, likely increasing in coverage some
overnight. Visibility reduced to 1 nautical mile or less at
times, mainly over outer coastal waters. The fog will eventually
lift and clear out by mid-late Wednesday morning.

Mariners should be prepared for abrupt changes in visibility.
Reduce speeds and be on the lookout for exposed rocks and other
vessels, including large ships in shipping lanes. Use radar or GPS
navigation if available, and consider remaining in harbor if such
equipment is unavailable..