927 PM PDT Mon Oct 7 2024 Coastal Del Norte-Northern Humboldt Coast- 927 PM PDT Mon Oct 7 2024 .NOW...Patchy dense fog has developed around Humboldt Bay and portions of Highway 101 in Humboldt and Del Norte Counties. Visibilities are being reduced to less than one quarter mile in some areas. Motorists should prepare for rapid changes in visibility. Use only low-beam headlights in fog. Allow extra time to reach your destination. These conditions may linger into the late morning hours.