Ko Bida Nok

Krabi, Thailandwall30 m maxbeginner

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Conditions & tides

Ko Bida NokKrabi · 30 m

Good · 5/5

conditions visualisation

Good5/5

Calm and diveable right now — best window today 7 AM–5 PM.

Wind8 kn W

Current~0 kn E · model

Swell

0.2 m · 6s · W

Water

30 °C

Conditions through the day

6 AM6 PM

Calmest current near slack — 03:30 PM & 03:30 AM local

Sunrise 06:13 AM · Sunset 06:19 PM local

Show details

Tide · local

Outlook — select a day for full conditions

On-face swell 0.2 m — the component of the swell aimed at this site’s exposed face. Current is a regional model value (Copernicus, ~9 km grid) — a guide to the area, not a precise reef measurement. Imagery © Esri · not depth or visibility.

Scored by DiveConnect's site-physics model

Marine forecast via Copernicus Marine. Score is a rule-based guide from swell/wind vs. the site's exposure — always dive your own assessment.

Dived here today? How were conditions vs. what we showed?

About this site

Ko Bida Nok is a small limestone island off the coast of Krabi, near Phi Phi Leh in southern Thailand's Andaman Sea, where a wall drops along the reef to a maximum depth of around 30 metres. It's a beginner-friendly dive with light current and good visibility over a reef bottom. Barracuda, clownfish, leopard and zebra sharks, lionfish, nudibranchs, octopus, ornate ghost pipefish, pufferfish, seahorses, and whale sharks are regularly encountered here. Divers have also reported cuttlefish, fusilier, additional ghost pipefish, grouper, harlequin shrimp, manta rays, moray eels, parrotfish, pipefish, reef sharks, scorpionfish, sea turtles, snapper, squid, stingrays, trevally, tuna, and wrasse on the site.

AI overview

Marine life here

Confirmed by our research team, reported by independent divers, or observed nearby via iNaturalist — each entry is labelled with its source.

Ghost pipefishGhost pipefishReported here · unconfirmed
PipefishPipefishReported here · unconfirmed
SeahorseSeahorseConfirmed present · 2 independent sources
SquidSquidReported here · unconfirmed
Moray eelMoray eelReported here · unconfirmed
CuttlefishCuttlefishReported here · unconfirmed
Sea turtleSea turtleReported here · unconfirmed
Reef sharkReef sharkReported here · unconfirmed
StingrayStingrayReported here · unconfirmed
Ornate ghost pipefishOrnate ghost pipefishConfirmed present · 2 independent sources
Manta rayManta rayReported here · unconfirmed
OctopusOctopusConfirmed present · 3 independent sources
Ocellaris AnemonefishAmphiprion ocellarisReported here · unconfirmed
Long-spined Crown-of-ThornsAcanthaster planciReported here · unconfirmed
Clark's AnemonefishAmphiprion clarkiiReported here · unconfirmed
Banded Sea UrchinEchinothrix calamarisReported here · unconfirmed
Blackspotted PufferArothron nigropunctatusReported here · unconfirmed
Magnificent Sea AnemoneRadianthus magnificaReported here · unconfirmed
Indo-Pacific Sergeant MajorAbudefduf vaigiensisReported here · unconfirmed
Swarthy ParrotfishScarus nigerReported here · unconfirmed
Moorish IdolZanclus cornutusReported here · unconfirmed
PufferfishPufferfishConfirmed present · 5 independent sources
Leopard / zebra sharkLeopard / zebra sharkConfirmed present · 7 independent sources
BarracudaBarracudaConfirmed present · 2 independent sources
TunaTunaReported here · unconfirmed
LionfishLionfishConfirmed present · 3 independent sources
NudibranchNudibranchConfirmed present · 4 independent sources
SnapperSnapperReported here · unconfirmed
GrouperGrouperReported here · unconfirmed
ClownfishClownfishConfirmed present · 2 independent sources
Whale SharkRhincodon typusConfirmed present · 2 independent sources
FusilierFusilierReported here · unconfirmed
TrevallyTrevallyReported here · unconfirmed
ScorpionfishScorpionfishReported here · unconfirmed
Harlequin ShrimpHymenocera pictaReported here · unconfirmed
WrasseWrasseReported here · unconfirmed
ParrotfishParrotfishReported here · unconfirmed