Fish Light Hurricane Playbook: Before, During & After the Storm
Pull it or leave it? What to actually weigh before a storm, how surge loads the cable, and why your fish light looks dim for a while after the water settles.
Key takeaways
- There is no universal pull-or-leave answer for fish lights. It depends on how yours is mounted and what the manufacturer says, so check both before you decide.
- Whichever you choose, the circuit goes off at the breaker first, and any handling happens in daylight on calm water — never in wind, rain, or rising water.
- Cable and connections take more storm damage than fixtures do. Strain, chafe at the seawall edge, and debris snags are the common failure points.
- Expect murky water afterward. A perfectly good fish light looks weak and small in stirred-up canal water, so do not judge output until the canal clears.
- Never dive on, handle, or reconnect a submerged fixture with the circuit live. After a flood, power stays off until a licensed electrician verifies the system.
A fish light lives underwater by design, so owners reasonably assume a hurricane is not its problem. Submersion is not the threat. Everything attached to the fixture is.
This is the storm sequence for underwater fish lights on a Southwest Florida canal: how to think about pulling versus leaving, what surge actually does to the cable and connections, and what to expect when you walk out afterward and the light looks like a fraction of what it was. Fair warning on that last part — the most common post-storm fish light complaint has nothing to do with the light.
Should you pull your fish lights or leave them in?
It depends on how yours is mounted and what the manufacturer says, and anyone giving you a universal answer has not seen your dock.
Start with the manufacturer’s guidance for your specific fixture — some are built to be retrieved routinely, some are meant to be installed once and left alone, and that difference drives the decision more than anything else. Then weigh your own setup:
| Consideration | Argues for pulling it | Argues for leaving it |
|---|---|---|
| Mounting | A retrievable fixture on a lead that is meant to come up | Hard-mounted to a piling or seawall bracket, where removal disturbs sealed connections |
| Debris and bottom | Floating debris, shifting sediment, and moving hardware can strike or bury a submerged light | Down in the water column, the fixture is out of the wind and out of the wave zone |
| Connections | — | Every removal and reinstall stresses a splice that was sealed to stay sealed |
| Time and conditions | Only if you can do it in daylight, on calm water, from a stable surface, circuit off | If you are inside the last hours before the weather, the answer is leave it and go inside |
| Storage | A pulled fixture goes indoors, dry, with the lead coiled loosely and not kinked | A fixture left loose on a dock or seawall is just another projectile |
Two rules apply either way. The circuit goes off at the breaker before you touch anything — the same non-negotiable that governs your dock lighting before a storm. And nothing about a fish light is worth being on a seawall in rising water for.
What does a storm actually do to the cable?
It loads it. Surge does not just raise the water level, it moves — in, and then back out — and anything suspended in that current becomes something for the water to pull on.
The failure points we find are almost always in the run rather than in the light:
- Strain at the fixture. A hanging light in moving water is a pendulum with a cable for a tether, and that load lands wherever the lead is anchored.
- Chafe at the seawall edge. Where the cable crosses the cap or turns down the wall face is where movement grinds the jacket, especially once debris starts sliding past it.
- Snags. Branches, dock boards, furniture, and neighbors’ hardware all come through the canal, and a loose cable catches them.
- The splice. Every connection is a candidate for salt intrusion once its seal is stressed.
- Mount hardware. Brackets and fasteners loosen; a fixture that shifted is a cable that got pulled.
- The transformer. It sits on shore and dislikes water more than anything else in the system — which is why it belongs above your surge line to begin with, as covered in our guide to powering and wiring fish lights.
Before the season, the useful check is simple: is the cable secured and protected the whole way, is the strain relief intact, and is the transformer high, dry, and on a GFCI-protected circuit?
What are the final moves before the wind arrives?
Power off at the breaker, decision made and executed early, and then you are done with the water.
- Kill the circuit and confirm it is off. Note which breaker.
- Unplug the transformer if it is plug-connected, and confirm it is above where you expect water.
- If you are pulling the fixture, do it early — daylight, calm water, stable footing, circuit already off. Store it dry and coil the lead loosely.
- If you are leaving it, leave it properly. Secure any slack cable so it cannot flail or snag, and confirm the mount is tight.
- Photograph the setup while it is intact, including the cable run and the transformer.
If an evacuation order comes for your zone, it outranks all of this. Nothing on a dock is worth staying for.
Why does the light look dim after the storm?
Because the water is still full of everything the storm stirred up, not because the fixture is dying.
This is the single most common post-storm call we get about fish lights, and it is usually good news. Surge and wind churn bottom sediment through the whole canal system, runoff and tannins pour in, and algae can bloom afterward. Suspended particles scatter light in every direction, so a fixture throwing its full output produces a small, weak, cloudy glow instead of the wide clean cone you are used to. The bait behaves differently too, which makes the light seem doubly broken.
Canals settle at their own pace depending on the storm and the waterway, so the honest advice is to wait for the water to clear before judging the system. Once it does, and once the electrical side has been cleared, a filmed-over lens is worth checking — our guide to cleaning barnacles and algae off a fish light covers that. If the light is genuinely dark, dimmer than its neighbors on the same run, or flickering, that is a system problem rather than a water problem.
When does this become an electrical job?
The moment flooding is involved — and it stays one until a licensed electrician says otherwise.
The rule after a storm is unchanged from the dock lighting side: the power stays off, the inspection is visual and from dry ground, nobody swims or wades near the dock, and nothing gets re-energized until a licensed electrician verifies the system. That means no diving on a fixture to check it, no reseating a connector to see if it comes back, and no flipping the breaker to test. Our post-storm electrical safety guide covers the full sequence, and if you have ever felt a buzz in the water near your dock, read tingle and shock in the water before you go anywhere near it.
Once it is cleared, the repair itself is usually straightforward. We assess the whole run — fixture, mount, cable, splice, transformer — because a good light on a damaged cable will find you again next season.
Florida Lifts & Docks has installed and repaired underwater fish lights across Southwest Florida since 2008, with our own crew and permitting handled in-house. See what we install on our fish lights page, or call (239) 397-3400 for a free on-site estimate.