Koh Tachai Pinnacle
Dive site · Thailand
Experienced divers only
Is it worth the trip?
84Good out of 100 for your dates
6 days tie for best
Mon 2 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 2 kn
- Gusts
- 6kn
- Air
- 29°C
Tue 3 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 2 kn
- Gusts
- 6kn
- Air
- 29°C
Wed 4 · 84 out of 100
- Sea
- 0.1 mflat
- Wind
- 2 kn
- Gusts
- 4kn
- Air
- 28°C
Thu 5 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 2 kn
- Gusts
- 5kn
- Air
- 29°C
Fri 6 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 1 kn
- Gusts
- 6kn
- Air
- 28°C
Sat 7 · 84 out of 100
- Sea
- 0.2 mflat
- Wind
- 3 kn
- Gusts
- 9kn
- Air
- 29°C
Sun 8 · 83 out of 100
- Sea
- 0.2 mflat
- Wind
- 4 kn
- Gusts
- 16kn
- Air
- 28°C
Tap a day for sea, wind and water. Full forecast
Forecast: next 10 days
Full forecast- Sun 183, good
- Mon 284, good
- Tue 384, good
- Wed 484, good
- Thu 584, good
- Fri 684, good
- Sat 784, good
- Sun 883, good
- Mon 973, good
- Tue 1073, 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 |
|---|---|---|---|---|---|
| Sun 1Nov | 83, good | 0.3 m | 1 kn | 2kn | 31°C |
| Mon 2Nov | 84, good | 0.2 mflat | 2 kn | 6kn | 29°C |
| Tue 3Nov | 84, good | 0.2 mflat | 2 kn | 6kn | 29°C |
| Wed 4Nov | 84, good | 0.1 mflat | 2 kn | 4kn | 28°C |
| Thu 5Nov | 84, good | 0.2 mflat | 2 kn | 5kn | 29°C |
| Fri 6Nov | 84, good | 0.2 mflat | 1 kn | 6kn | 28°C |
| Sat 7Nov | 84, good | 0.2 mflat | 3 kn | 9kn | 29°C |
| Sun 8Nov | 83, good | 0.2 mflat | 4 kn | 16kn | 28°C |
| Mon 9Nov | 73, good | 0.2 mflat | 7 kn | 18kn | 28°C |
| Tue 10Nov | 73, good | 0.2 mflat | 2 kn | 13kn | 28°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
- Sun 1 NovHigh 01:44 +0.9 mLow 08:24 −0.7 mHigh 14:34 +0.5 mLow 20:26 −0.5 m
- 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
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 30 October 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$898–US$1,860 |
| Hire car | 6 days, shared | about US$47–US$80 |
| 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
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 · Skyscanner
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
Too few open records near this site to list its animals. Ask a dive centre what you are likely to see.
This week: visibility about 15 m, about usual for the month (satellite plankton reading, 24 Oct). Estimated from the month's typical visibility and this week's satellite chlorophyll against the site's normal; heavy rain before a dive can still muddy it.
The current and the life no free forecast gives. Ask a dive centre before you book.