Every “best time to visit” page for this island says the same three things and commits to none of them. This one commits, because it is generated from a dataset we keep rather than assembled from charter-blog prose: ten species, twelve months, every cell scored. When you have picked your month you can book the month you’ve picked from the captains and guides list.
The honest part is the bad news. No site that sells rooms or boats is going to tell you that two months of the year are close to pointless offshore. September and October are, and we would rather say so than have you find out.
The whole year in one table
| Month | Peak | Good | What it is actually like |
|---|---|---|---|
| January | Bonefish, Wahoo | Permit, Yellowtail Snapper | Wahoo at their best and the windiest offshore water of the year. Great hammerhead season is running for divers. |
| February | Bonefish, Wahoo | Permit, Yellowtail Snapper | The strongest all-round winter month. Both of Bimini’s world-record fish were caught in February, for whatever that is worth. |
| March | Bonefish, Permit | Wahoo, Blue Marlin, Sailfish, Mahi (Dolphin), Yellowtail Snapper | The changeover. Wahoo tailing off, billfish and mahi arriving, nothing at full strength. |
| April | Bonefish, Permit, Blue Marlin, Sailfish, Mahi (Dolphin) | Yellowtail Snapper | Billfish and mahi build. Homecoming falls around now, so beds get tighter. |
| May | Bonefish, Permit, Blue Marlin, Sailfish, Mahi (Dolphin), Bluefin Tuna | Yellowtail Snapper, Tarpon | The only month where marlin, sailfish, mahi and the giant bluefin window all overlap. Narrow and unadvertised. |
| June | Bonefish, Permit, Blue Marlin, Mahi (Dolphin), Yellowtail Snapper, Grouper, Tarpon | Sailfish, Bluefin Tuna | The broadest month on the chart: billfish and mahi still at peak while the reef and the tarpon switch on. Hurricane season opens, which matters more for your insurance than for June itself. |
| July | Bonefish, Permit, Blue Marlin, Yellowtail Snapper, Grouper, Tarpon | Mahi (Dolphin) | Mahi fading, tarpon and reef fishing at their peak, heat and humidity building. |
| August | Bonefish, Permit, Yellowtail Snapper, Grouper, Tarpon | — | A reef and flats month. The bluewater calendar is nearly empty. |
| September | Bonefish | Permit, Yellowtail Snapper, Tarpon | The thinnest month of the year offshore, and the middle of hurricane season. |
| October | Bonefish | Permit, Yellowtail Snapper | Same as September with slightly better odds on the weather. We would not plan a trip around it. |
| November | Bonefish, Wahoo | Permit, Yellowtail Snapper | Wahoo return and the island wakes up again. |
| December | Bonefish, Wahoo | Permit, Yellowtail Snapper | Wahoo strong. Nassau grouper closes on the 1st and stays closed until the end of February. |
November to February: the wahoo months
Winter is the reason a lot of people come, and it is counterintuitive if you think of the Bahamas as a summer place. Wahoo hit peak from November and hold it through February. The winter wahoo run is the island’s signature catch and the tournament calendar clusters around it.
The trade-off is the weather. Winter offshore here can be genuinely rough and windy, and a tight weather window is the normal state rather than bad luck. This is where a short run to deep water earns its keep — when the wall is a mile out, a two-hour gap in the wind is a fishing trip rather than a wasted tank of fuel.
Two other things happen in these months. Great hammerhead season runs roughly January to April, so the divers arrive. And Nassau grouper closes on 1 December and stays closed to 28 February, which is not a preference, it is national law.
March to July: billfish, mahi, bluefin
March is a transition and its honestly a bit of a lottery. From April the picture is as good as this island gets: blue marlin, sailfish and mahi all working the same edge, with spring billfish the headline.
May is the one to circle. It is the only month where the giant bluefin window overlaps everything else — the fish pass north through the Stream on their return leg from Gulf of Mexico spawning grounds, and almost nobody plans a trip around it. It is a narrow window and it is not advertised.
August to October: the thin end
August still has the reef and the flats and the tarpon, and its hot. Then it thins out properly.
September and October carry the emptiest bluewater calendar of the year and sit in the middle of a hurricane season that runs June to November. Bonefish are still there, because bonefish are always still there. But if the offshore fishery is the reason you are coming, these are the two months where we would tell you to go another time. Weather, hurricane season and when to book is worth reading before you commit to dates, and if you want the fuller argument against the island for certain kinds of trip we wrote an honest list of what this island is bad at.
How much to trust each row
The correct way to use any of this is as a filter, not an answer. It narrows twelve months to two or three, and then you call someone who was on the water last week. The rest of our species and seasons writing goes fish by fish, which is where the confidence levels get argued out properly.
Questions people actually ask
What is the single best month to fish Bimini?
June, on our matrix — it carries more species at peak than any other month, with billfish and mahi still running while the reef and the tarpon switch on. May is the better answer if the giant bluefin window is what you are after, and winter if you want wahoo.
What is the worst month?
September, closely followed by October. Thinnest offshore calendar of the year and the middle of hurricane season. The flats still fish.
Can I fish bonefish year-round?
Yes. Bonefish score peak in all twelve months on our matrix and are the only species that does. Since 2017 they are catch-and-release only on the flats and a licence is required.
Does hurricane season mean I should not come between June and November?
No. June and July are strong months and the risk is a planning consideration rather than a daily one. September and October are the months we would actually steer you away from, and the reason is the fishing calendar as much as the weather.
Where this comes from
The table on this page is generated at build time from db/seed/fishing_seasons.json. The prose around it is ours; where our data is weak, the callout above says which row and why.
- db/seed/fishing_seasons.json and db/seed/species.json — the matrix behind the table
- PLAN/04-BIMINI-DOSSIER.md s.3 — seasonality, and the explicit flag that tarpon and swordfish windows are thin
- NOAA Fisheries — Atlantic wahoo
- Bahamas Department of Marine Resources — Nassau grouper closed season notice, via BahamasLocal