Koh Tachai Pinnacle
Dive site · Thailand
Experienced divers only
Is it worth the trip?
84Good out of 100 for your dates
Every day scores the same
Mon 2 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 1 kn
- Gusts
- 4kn
- Air
- 30°C
Tue 3 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 5 kn
- Gusts
- 9kn
- Air
- 29°C
Wed 4 · 84 out of 100
- Sea
- 0.1 mflat
- Wind
- 3 kn
- Gusts
- 7kn
- Air
- 29°C
Thu 5 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 3 kn
- Gusts
- 6kn
- Air
- 29°C
Fri 6 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 2 kn
- Gusts
- 5kn
- Air
- 28°C
Sat 7 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 3 kn
- Gusts
- 10kn
- Air
- 28°C
Sun 8 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 4 kn
- Gusts
- 8kn
- Air
- 28°C
Tap a day for sea, wind and water. Full forecast
Forecast: next 10 days
Full forecast- Mon 284, good
- Tue 384, good
- Wed 484, good
- Thu 584, good
- Fri 684, good
- Sat 784, good
- Sun 884, good
- Mon 983, good
- Tue 1073, good
- Wed 1174, good
The site in five facts
- Down to 45 mits deepest
- From a liveaboardhow you get in
- Experienced / deepexperienced divers only
- Water 29 °Crash vest or 1 to 2 mm
- Faces Sswell from there reaches it
Full forecast
every day, every number
The score doesn't know currents, the visibility on the day or your certification.
Suits experienced divers only, as a dive guide states it. Scored for experienced divers.
| Day | Score | Sea | Wind | Gusts | Air |
|---|---|---|---|---|---|
| Mon 2Nov | 84, good | 0.2 mflat | 1 kn | 4kn | 30°C |
| Tue 3Nov | 84, good | 0.2 mflat | 5 kn | 9kn | 29°C |
| Wed 4Nov | 84, good | 0.1 mflat | 3 kn | 7kn | 29°C |
| Thu 5Nov | 84, good | 0.2 mflat | 3 kn | 6kn | 29°C |
| Fri 6Nov | 84, good | 0.2 mflat | 2 kn | 5kn | 28°C |
| Sat 7Nov | 84, good | 0.2 mflat | 3 kn | 10kn | 28°C |
| Sun 8Nov | 84, good | 0.2 mflat | 4 kn | 8kn | 28°C |
| Mon 9Nov | 83, good | 0.2 mflat | 4 kn | 15kn | 28°C |
| Tue 10Nov | 73, good | 0.1 mflat | 5 kn | 18kn | 28°C |
| Wed 11Nov | 74, good | 0.1 mflat | 4 kn | 14kn | 29°C |
Sea is the waves near the site, in metres; wind and gusts in knots. "Boats in": gusts that keep dive boats in. More
Tide
- Mon 2 NovHigh 02:54 +0.7 mLow 09:47 −0.6 mHigh 16:09 +0.4 mLow 22:09 −0.3 m
- Tue 3 NovHigh 04:28 +0.6 mLow 11:24 −0.6 mHigh 17:53 +0.5 m
- Wed 4 NovLow 00:00 −0.4 mHigh 06:06 +0.6 mLow 12:42 −0.7 mHigh 19:06 +0.7 m
Local clock times; heights about mean sea level. On open coasts the times are usually within a quarter of an hour; in bays, estuaries and on the Gulf of Mexico they can be an hour or more out. Slack water, the safest time to dive where there is current, is about half an hour either side of each high and low. Tide: EOT20 global ocean tide model, Hart-Davis et al. 2021, DGFI-TUM (doi:10.17882/79489), CC BY 4.0. Times and heights computed by us. A model, not a tide table: check a local table before you go.
Forecast updated . It refreshes every three hours. Forecast data: ECMWF, DWD, Météo-France and NOAA, served by Open-Meteo.com (CC BY 4.0). Changed by us. Generated using E.U. Copernicus Marine Service Information.
Map
the site, its town, photos
Koh Tachai Pinnacle on Google Maps · Directions
Each place wears its best day on these dates: green good, amber fair, pale red poor, as the key says.
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One finger scrolls the page; two fingers move the map. Pins are our own positions. Map OpenFreeMap, © OpenMapTiles, data © OpenStreetMap contributors.
Photos of Koh Tachai Pinnacle
About
the place in full, sources, credits
About Koh Tachai Pinnacle
A pinnacle dive. It goes down to 45 m. You get in from a liveaboard. It suits experienced divers only, as a dive guide states it. The coast faces S: swell from the S reaches it, and wind from the N blows out to sea. No dive centre within 50 km on the map: book a liveaboard or a boat from further off. The sea is about 29°C in January, its coldest month (rash vest or 1 to 2 mm), and 30°C in April, its warmest (rash vest or 1 to 2 mm). No town nearby. Nearest beds: Khao Lak, 68 km. Nearest airport: Ranong Airport (UNN), 117 km. Within 5 km we also list 2 dive sites.
- What it is Pinnacle.
- How deep Down to 45 m: technical diving, past the 40 m recreational limit.
- Getting in From a liveaboard.
- Who it suits Suits experienced divers only, as a dive guide states it.
- Dive centres No dive centre within 50 km on the map: book a liveaboard or a boat from further off.
Water about 29°C: rash vest or 1 to 2 mm. Typical sea temperature for the time of year, not a forecast.
Visibility about 20 m. Typical for the time of year, estimated from ten years of NASA satellite water clarity, not a forecast. Clearest in Jun and Aug (about 25 m).
The score is the conditions only: the journey, the price and the partners never change it (how we score, how we earn).
Rough cost (estimate): about US$1,060–US$2,150 each
about US$1,060–US$2,150 each · 6 nights, 2 sharing: flights, hire car, food.
Our estimate from typical public prices, not a quote: check the real prices before you book (where they come from). Prices are about, in US Dollar (USD): our pound figures at the European Central Bank's rate of 2 November 2026.
How we worked it out
| What | How we worked it out | Each |
|---|---|---|
| Flights | return ORD to HKT, estimated from distance and season, changing at HKG, full-service airlines, with a hold bag | about US$899–US$1,870 |
| Hire car | 6 days, shared | about US$47–US$81 |
| Food | 7 days eating out | about US$114–US$208 |
| Total | about US$1,060–US$2,150 |
No town nearby, so no stay is in it. Guided dives are not priced yet: we have no sourced price, so it is not in it. Prices from public sources, checked in 2026.
Where to stay: nearest beds 68 km away
Ad Links marked Ad may pay us if you book. You pay the same, and they never change a score. How we earn
No town nearby
Nearest beds: Khao Lak, 68 km. Nearest airport: Ranong Airport (UNN), 117 km.
See places to stay near Khao Lak, 68 km away · Booking.comDistances are straight lines: a site out at sea is reached by boat.
Getting there: about 29h 10m
About 29h 10m door to door from Chicago
Fly ORD → HKT, changing at Hong Kong International Airport (HKG), then 2h 20m by road
Flights ORD → HKT on your dates · AviasalesAdeSIM for your phone · Search on AiraloAd
An estimate, one way; the journey never changes the score.
In the water
Dives and courses in Koh Tachai Pinnacle · GetYourGuideDive gear hire in Koh Tachai Pinnacle · GetYourGuide
Dive centres nearby
No dive centre mapped within 50 km.
Dive centres: © OpenStreetMap contributors (ODbL). Credits
What you might see
Animals divers and surveys have recorded within 2 km of this site in the last 15 years. A record says someone saw it here, not that you will.
Choriaster granulatus
Seen in 6 records.
Giant moray Gymnothorax javanicus
Seen in 5 records.
Titan triggerfish Balistoides viridescens
Seen in 4 records.
Coral grouper Cephalopholis miniata
Seen in 3 records.
Longfin baitfish Platax teira
Seen in 3 records.
Records: OBIS (Ocean Biodiversity Information System, IOC-UNESCO) and GBIF.org (1 November 2026, doi:10.15468/dl.jeesns), from the datasets named here, CC0 and CC BY records only. Names: WoRMS and GBIF; common names from the Catalogue of Life, the GBIF Backbone and Wikidata. Largest datasets here: iNaturalist Research-grade Observations; Programme CROMIS: carnet de plongée en ligne de la FFESSM-Observations d'espèces subaquatiques collectées par les utilisateurs de CROMIS. Credits
This week's visibility and the current no free forecast gives. Ask a dive centre before you book.
Saved: this link opens the same trip
The link holds the trip itself: nothing about you is kept. Check the forecast again before you book.