Boaters Urged to Seek Safe Harbor as Dangerous Thunderstorms Move Across Coastal Waters
A Special Marine Warning has been issued for the Northwest North Atlantic Coast, including the Coastal Waters from Cape Henlopen to Fenwick Island, Delaware, out 20 nautical miles, and the Coastal Waters from Cape May, New Jersey, to Cape Henlopen, Delaware, out 20 nautical miles. Strong thunderstorms are capable of producing hazardous conditions for anyone on the water. (National Weather Service)
Special Marine Warnings are issued when severe thunderstorms produce dangerous conditions over coastal waters. These storms can generate wind gusts of 34 knots (39 mph) or greater, dangerous cloud-to-water lightning, torrential rainfall that reduces visibility, rough waves, and isolated waterspouts. (National Weather Service)
Dangerous Marine Conditions Expected
Mariners navigating the Atlantic waters off the Delaware and southern New Jersey coasts should be prepared for rapidly changing weather conditions, including:
- Wind gusts exceeding 34 knots
- Frequent cloud-to-water lightning
- Sudden rough and hazardous seas
- Heavy rainfall causing near-zero visibility
- Possible waterspouts
- Dangerous conditions for small boats and recreational vessels
These conditions can develop with little warning, making it essential for boaters to monitor marine weather continuously.
Marine Safety Tips
If you are on the water:
- Head to the nearest safe harbor immediately if thunderstorms approach.
- Wear a properly fitted U.S. Coast Guard-approved life jacket.
- Stay inside the cabin if your vessel has one and avoid contact with metal surfaces.
- Keep a NOAA Weather Radio or reliable weather app available for updated warnings.
- Never attempt to outrun severe thunderstorms on open water if safe harbor is nearby.
Stay Weather Aware
Boaters, anglers, and beach communities along the Delaware and New Jersey coast should continue monitoring the latest forecasts and marine warnings until conditions improve. Severe marine weather can intensify rapidly and create life-threatening conditions for anyone on the water. (National Weather Service)
Stay with Radar Watch HQ for the latest marine weather alerts, severe weather updates, and critical forecasts to help keep you and your family safe on and near the water.
Radar Watch HQ Top 5 Marine Essentials
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🌊 1. U.S. Coast Guard-Approved Life Jacket
A properly fitted life jacket is the most important piece of safety equipment for every passenger onboard.
Best for: Recreational boaters, anglers, kayakers, and paddleboarders.
⚓ 2. Marine Emergency Radio (NOAA Weather Radio)
Receive real-time NOAA Weather Radio alerts, marine forecasts, and emergency warnings—even when cell service is unavailable.
Best for: Offshore and coastal boating.
🔦 3. Rechargeable Waterproof LED Flashlight
A bright waterproof flashlight is essential for emergencies, low visibility, nighttime navigation, and signaling for help.
Best for: Every boat emergency kit.
🧰 4. Marine First Aid Kit
A waterproof first aid kit stocked with bandages, antiseptic, medications, and emergency supplies for injuries on the water.
Best for: Every vessel, regardless of size.
🧭 5. Waterproof Dry Bag
Protect phones, wallets, charts, keys, electronics, and emergency supplies from water damage during storms or rough seas.
Best for: Boaters, kayakers, paddleboarders, and beachgoers.
🛒 Radar Watch HQ Marine Safety Picks
Prepare before you head out on the water. Our recommended marine safety essentials can help keep you and your crew safe during changing weather conditions.
