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On Sunday at 1:48 p.m. the NWS Eureka CA issued a coastal flood advisory valid for Monday between 10 a.m. and 2 p.m. for Northern Coastal Humboldt.
The NWS informs, “High astronomical tides will cause minor flooding in low-lying areas around Humboldt Bay. Up to one half foot of saltwater inundation above ground level is possible near shorelines and tidal waterways. Between 8.9 and 9.2 feet MLLW at the North Spit tide gauge is predicted.”
“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,” states the NWS. “A Coastal Flood Advisory indicates that onshore winds and tides will combine to generate flooding of low areas along the shore. Feet Above Ground is locally defined as feet above the Highest Astronomical Tide or HAT.”
This advisory is in effect until Monday at 2 p.m.
Recommendations from the NWS for staying safe during a flood
In case you reside within a flood-prone area or are currently camping in a low-lying zone, it is crucial to promptly seek higher ground. If told to evacuate, do so immediately. Ensure your home is securely locked when vacating the premises. If time permits, disconnect utilities and appliances. Avoid entering basements or rooms with submerged electrical outlets or cords. Should you observe sparks or hear buzzing, crackling, snapping, or popping sounds, evacuate immediately. Refrain from entering water that might carry an electric current and avoid walking through floodwaters. Remember, as little as 6 inches of moving water can knock you off your feet. If trapped by moving water, seek the highest possible point and contact emergency services by calling 911.
When heavy rain occurs, there is a potential for flooding, particularly in areas that are low-lying or prone to floods. It is crucial to never drive through water on the road, even if it appears shallow. According to the NWS, as little as 12 inches of fast-flowing water can carry away most vehicles.
What to do in the rain on the road? Turn on headlights – Even in daylight, using headlights can help improve visibility and let other drivers know where you are.While driving – Stick to the middle lanes and stay on elevated ground. Rainwater tends to accumulate at the road edges.Keep clear of puddles – Driving through puddles or low rainwater areas can cause vehicles to hydroplane or skid out of controlDo not follow large vehicles closely – Large vehicles like trucks or buses can create a spray of water that can reduce your visibility.Avoid flooded areas – When encountering a flooded road, do a U-turn and head back. The strong currents from flash floods can pull drivers off roadways. Driving through deep water can also negatively affect a vehicle’s mechanical and electrical systems.
What is hydroplaning?
Hydroplaning is the term for when a vehicle begins sliding uncontrollably on wet roads.
This happens when water in front of the tire builds up faster than the vehicle’s weight can push water out of the way. The water pressure then causes the vehicle to rise and slide on a thin layer of water between the tires and the road, making the driver lose control. Hydroplaning is primarily caused by three factors:
Vehicle speed – When a vehicle’s speed increases, the tire-traction grip and ability to control the vehicle decreases. Drive at a reduced speed during wet weather.Water depth – The deeper the water, the sooner a vehicle loses traction on the road. It doesn’t matter how deep the water is, even a thin layer can lead to hydroplaning.Tire tread depth – Checking your tire tread before hitting the road is important, as low or no tread can lead to sliding.
In the event of your vehicle hydroplaning, here’s what to know:
Ease off the accelerator – Step off the gas to slow down the vehicle until the tires find traction.Turn into the skid – Turning into the skid can help the vehicle’s tires realign to regain control.Make sure the tires reconnect with the road – During the skid, wait until the tires reconnect with the road and then gently straighten the wheels to regain control.Brake gently as needed – Brake normally if the vehicle has anti-lock brakes and pump brakes gently if in an older vehicle.
Source: The National Weather Service
United Robots California
This story was originally published October 25, 2026 at 1:51 PM.