NORTHERN COASTAL HUMBOLDT — * WHAT...For the Coastal Flood Advisory, High astronomical tides will cause minor flooding in low lying areas around Humboldt Bay. Up to one quarter foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.8 and 9.0 feet MLLW at the North Spit tide gauge is predicted. For the High Surf Advisory, large breaking waves 22 to 24 feet.
* WHERE...Northern Coastal Humboldt County.
* WHEN...For the Coastal Flood Advisory, from 9 AM to 11 AM PST this morning. For the High Surf Advisory, from 4 AM to 10 PM PST Sunday. High tide is at 9:51 AM at the Humboldt Bay North Spit tide gauge. Saltwater inundation will be possible 1 to 2 hours before and after high tide.
* IMPACTS...Flooding of low lying areas around Humboldt Bay including parks and roads with only isolated closures expected. Flooding will likely impact Jackson Ranch Road in the Arcata Bottoms and several roads in King Salmon. Dangerous surf conditions and localized beach erosion. Beachcombing is highly discouraged!.
* ADDITIONAL DETAILS...The large surf on Sunday will coincide with high astronomical tides and high tidal anomalies. This will allow significant runup onto area beaches and may impact normally dry land or even roads or parking lots.
Local conditions in Northern Coastal Humboldt may affect travel, public safety, or daily routines. Stay informed and adjust plans if conditions change.
This report is based on information from NWS, monitored by Alert USA's verified emergency feed.
Residents should be prepared for possible effects on travel, public safety, and daily routines while the situation remains active.
Recommended steps: stay informed via official sources; avoid non-essential travel in the area; secure outdoor items if weather is involved; check on family and neighbors.
Alert USA is tracking this developing situation and will update this report as verified information becomes available.
Verified by Alert USA • NWS