Overview

Kitesurf

Thong Krut Bay is on the south coast of Koh Samui. A quieter fishing bay with flat water sheltered from the main swell. Works during the NE monsoon. Local charm with fishing boats and views of the Five Islands (Ang Thong).

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Spot forecast for Koh Samui - Thong Krut Bay

Sunrise 06:08 · Sunset 18:01

Open-Meteo

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< 7 kn7–12 kn13–20 kn21–30 kn31–40 kn41+ kn Gusts Your minimum: 7 kn

Forecasts provided by Open-Meteo

Swell and waves

Swell and tides over 8 days. Premium members see the swell and tides over 8 days. Without a subscription: 5 days.

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Wave height: < 0.5 m 0.5–1 m 1–2 m 2–3 m ≥ 3 m

Swell data by Open-Meteo Marine

Tides

Heights above lowest astronomical tide, in the spot's local time. Computed 2.1 km from the spot.

Tuesday 20 October Low tide 05:14 · 0.3 m High tide 16:43 · 1.2 m
Wednesday 21 October Low tide 04:26 · 0.3 m High tide 17:42 · 1.1 m
Thursday 22 October Low tide 04:16 · 0.3 m High tide 18:59 · 1 m
Friday 23 October Low tide 04:14 · 0.4 m High tide 12:37 · 0.8 m Low tide 14:42 · 0.8 m High tide 20:33 · 0.9 m
Saturday 24 October Low tide 04:07 · 0.5 m High tide 10:58 · 0.9 m Low tide 16:49 · 0.6 m High tide 21:57 · 0.8 m

Koh Samui - Thong Krut Bay: when to go?

Rideable days and hours computed for a minimum wind of 7 knots · log in to set your own (foil, twin-tip…)

Season · peak

239h

in December · 25.5 rideable days

The season runs from November to March, peaking in December: 21 rideable days a month and 239 hours of usable wind, at 29 °C. The low point is June, at 0 days.

Rideable days per month

Wind strength when it is rideable

7-12 knots · 92%13-20 knots · 8%

When the spot works, wind sits mostly between 7 and 12 knots — 92% of rideable hours. Big-kite territory. The coldest month is November, at 28 °C. The wettest month is November, with 302 mm.

Monthly averages: Koh Samui - Thong Krut Bay

Monthly averages — Koh Samui - Thong Krut Bay — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	25.0	240 h	29 °C	61 mm
February	17.5	178 h	29 °C	79 mm
March	19.5	155 h	30 °C	42 mm
April	10.0	70 h	32 °C	73 mm
May	4.0	22 h	31 °C	202 mm
June	0.0	0 h	32 °C	124 mm
July	0.0	0 h	31 °C	135 mm
August	0.0	1 h	30 °C	144 mm
September	0.5	2 h	30 °C	102 mm
October	5.0	29 h	29 °C	273 mm
November	16.5	155 h	28 °C	302 mm
December	25.5	239 h	28 °C	232 mm

Photo gallery of Koh Samui - Thong Krut Bay

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Technical details of Koh Samui - Thong Krut Bay spot

The spot works with winds from NE, ENE, E.

Depending on conditions: N, NNE, ESE, NNW.

RideableDepending on conditions Not rideable

Spot opening date · Required level

Spot opening date: Open all year round
Required level: Intermediate

On the water

Flat to slightly choppy. Sheltered bay. Shallow areas at low tide.

Wind specificities

NE monsoon (Nov-Mar). South-facing bay, wind wraps around the island. Moderate and variable.

Hazards

Fishing boats and nets. Shallow rocks. Limited riding space in the bay.

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Live

SAMUI TG19.4 kmsource madis - NOAA

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Additional stations

Ogimet - Ko Samui (Thailand)12.3 km

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source ogimet

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Webcams near Koh Samui - Thong Krut Bay

Webcams provided by Windy.com

Nearby spots

All spots: Surat Thani

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Koh Samui - Thong Krut Bay kitesurf spot