Headlamps for fishing: four things that matter, and only one of them is lumens

The four criteria, in the order they actually matter

Headlamps are sold on maximum lumens, and maximum lumens is close to irrelevant for fishing. You will spend almost the whole session on the lowest setting and the high beam will be used for about four seconds at a time, to find something. Here is what decides it instead.

1. A red LED. Not a nice-to-have. Two separate reasons: white light destroys the dark adaptation that lets you see a float, a rod tip or the edge of the bank, and it takes twenty minutes to get back. And white light pulls in every insect on the water, which on a summer evening is genuinely miserable. Red does neither. Both lamps here publish one.

2. A published water rating, with a test condition. “Water resistant” is not a specification. An IP rating is. Black Diamond publishes IPX8 and states what it was tested to — at least 1.1 m for 30 minutes. The Coast source page publishes no rating at all. For a device that lives in rain and spray and gets dropped over the side, that difference is the whole purchase.

3. A battery you can fix in the cold. This is the criterion nobody writes about. A sealed rechargeable headlamp in January is a countdown. Lithium cells lose usable capacity as temperature falls, and when the pack is empty you are done. A lamp that takes alkaline cells means a spare set in an inside pocket solves the problem. Both lamps here take disposable batteries as well as a pack, which is why both are on the page.

4. A lock mode. The commonest way a headlamp fails is that it switched itself on inside a tackle bag and ran flat. Black Diamond publishes a digital lockout. It is a small feature that changes whether the light works when you reach for it.

Lumens is fifth, and the gap between 400 and 530 will not change a night’s fishing.

The two lights, as published

Note that the two makers publish distance in different units — 100 m against 511 ft — which flatters the Coast in a side-by-side unless you convert. The Coast figure is roughly 156 m, so it does genuinely throw further; it is just not five times further.

Why the low setting is the one to compare

The two lamps publish wildly different ideas of low: 6 lm for 200 hours against 65 lm for 11 hours. That single row tells you more about how each one was designed than the headline brightness does.

Six lumens sounds like nothing and is enough to tie a clinch knot, re-bait a hook and find something in a tackle tray without wrecking your night vision or lighting up the water in front of you. A 200-hour published runtime means a set of AAAs lasts a season of evening sessions.

Sixty-five lumens is a working light. You can move around a boat with it and actually see where you are putting your feet, which is the right choice if you fish from a larger boat at night. Eleven hours still covers a long session.

Neither is wrong. The question is whether your dark hours are spent sitting still watching a float or moving around a deck.

The thing that will actually annoy you: a light on the water

Shining a headlamp across the water you are about to fish is the fastest way to move fish out of it, particularly in shallow or clear water. This is the practical skill that matters more than the hardware.

Angle it down. Set the lamp so the beam lands at your feet, not at the horizon, and tilt your head rather than the lamp when you need to look up.

Use red for everything except finding things. Tying, unhooking, re-baiting and reading a sonar screen all work fine in red.

Switch off before you cast. Obvious, routinely forgotten, and the reason the first cast of a night session so often produces nothing.

Where this fits with the rest of the kit

A headlamp is a hands-free tool, and the whole point is that both hands are free for the job in front of you — which is usually unhooking a fish. Our pliers page covers the other half of that, and our catch and release page makes the case that time out of the water is what decides whether a fish swims away, and fumbling in the dark is time.

On ice, a headlamp is on the short list for a different reason: it is dark at both ends of a January day and you will be rigging, drilling and packing in it. Our ice gear page and our shelter heater comparison cover the rest of the cold-weather kit.

For bank fishing, add it to the list on our bank fishing setup, where everything you own is carried and a light that locks off in the bag is worth more than a bright one that does not.

What we are not telling you

We have not tested either lamp. Every figure above is the manufacturer’s or retailer’s published specification from the two pages linked below, and the gaps are stated rather than filled: Coast’s source page publishes no water rating, no medium output and no warranty, and describes the battery only as three alkaline cells without a size, where other retailer copy says AAA.

We have also not run a beam-distance comparison. The two makers measure and publish distance differently and in different units, and lining up numbers from two test methods as if they were measured the same way would be the dishonest part of a page like this.

Two lights is a short list on purpose. The criteria at the top of this page — a published red LED, a published water rating, a battery you can replace in the cold and a lock mode — rule out most of the category, and padding the list with lamps that fail them would make this page longer and worse.