What months are best for kitesurfing in Koh Samui?

January, February and March at Nahai Beach are the best months, especially for beginners — the most consistent E–SE wind and the best chance of completing lesson days without rescheduling. December and April are also good.

Does wing foiling work in the off-season?

Wing foiling needs roughly 12 knots or more. During the October–November transition the wind is often below this. E-foil sessions, kayak and SUP are available on no-wind days.

Is Koh Samui good for beginner kitesurfers?

Yes. The E–SE wind season at Nahai Beach (December–April, most consistent January–March) suits beginners. Our IKO-certified instructors teach with radio helmets and safety floats, and many beginners complete their first solo ride within a 3-day course.

Which beach is best for kitesurfing in Koh Samui?

It depends on the season. From December to April we ride at Nahai Beach on the south coast (E–SE wind); from May to October at Nathon Beach on the west coast (SW monsoon). All lessons, rentals and activities move with the season.

Wind Calendar · Koh Samui

Wind &
Kite Seasons

Q: When is kite season in Koh Samui?

There are two kite seasons: the E–SE wind at Nahai Beach on the south coast, December–April (typically 12–20 knots, most consistent January–March), and the SW monsoon at Nathon Beach on the west coast, May–October (typically 10–18 knots, more variable). October–November is a transition with lighter, variable wind.

Q: Can you kitesurf year-round in Koh Samui?

Almost. The two seasons are December–April at Nahai and May–October at Nathon. October–November is a transition with lighter, variable wind during Koh Samui's rainy season (roughly October–December). E-foil runs on no-wind days.

Two wind seasons per year — Nahai Beach (Dec–Apr) and Nathon Beach (May–Oct). Here is the complete month-by-month wind calendar for kitesurfing, wing foil and windsurfing — plus what to ride, when to come, and which spot to choose.

Month-by-Month Guide Wind Calendar Book a Lesson

12–20

kts typical (Nahai)

Dec–Apr

Nahai · E–SE season

kite seasons

May–Oct

Nathon · SW season

Peak Season

Dec – Apr
E–SE Wind · Nahai

12–20 kts

Nahai Beach, south coast. Best for beginners and all levels. January–March most consistent.

Second Season

May – Oct
SW Monsoon · Nathon

10–18 kts

Nathon Beach, west coast. More variable wind; afternoons usually best.

Transition

Oct–Nov
Variable

Light variable

Light, variable wind in the rainy season (Oct–Dec, November wettest). E-foil, kayak and SUP on no-wind days.

Quick Decision Guide

What to Ride Today?

Check the wind speed and pick your sport. Simple.

0–5kts

No Wind

⚡ E-Foil Session Electric motor. No wind needed. 🚣 Kayak Tour Explore the coastline. 🏄 SUP Rental Flat-water paddleboard.

6–12kts

Light Wind

🏄 Windsurfing Large sail 7–8m. Good entry range. 🪁 Wing Foil Big wing 6–7m. Works from 6 kts. 🪂 Kitesurfing Large kite 17m+. Possible.

12–18kts

Medium Wind

🪁 Wing Foil Ideal range. Fly the foil. 🏄 Windsurfing Optimal sail 5–7m. 🪂 Kitesurfing 12–14m kite. Good sessions.

18+kts

Prime Kite Day

🪂 Kitesurfing Steady wind. All skill levels. 🪁 Wing Foil Powered. Smaller wing. 🏄 Windsurfing Use a 5.0–6.5m sail.

Check live conditions: Windy.com — Nahai, Koh Samui · Windguru

Month-by-Month Wind Calendar

Where we ride: Nahai Beach (Dec–Apr) · Nathon Beach (May–Oct)

Month	Wind	Dir.	Kitesurf	Wing Foil	Windsurf
January	12–20 kts	NE → SE · Nahai	★★★★★	★★★★★	★★★★★
February	12–20 kts	E–SE · Nahai	★★★★★	★★★★★	★★★★★
March PEAK	12–20 kts	E–SE · Nahai	★★★★★	★★★★★	★★★★★
April	Often lighter	E · Nahai	★★★★☆	★★★★☆	★★★★☆
May Nathon	10–18 kts	SW · Nathon	★★★☆☆	★★★★☆	★★★☆☆
June	10–18 kts	SW · Nathon	★★★☆☆	★★★★☆	★★★☆☆
July	10–18 kts	SW · Nathon	★★★☆☆	★★★★☆	★★★☆☆
August	10–18 kts	SW · Nathon	★★★☆☆	★★★★☆	★★★☆☆
September	10–18 kts	SW · Nathon	★★★☆☆	★★★★☆	★★★☆☆
October	Light, variable	Variable · Nathon	★★☆☆☆	★★☆☆☆	★★☆☆☆
November	Light, variable	Transition	★☆☆☆☆	★☆☆☆☆	★☆☆☆☆
December	12–20 kts	NE · Nahai	★★★★☆	★★★★☆	★★★★☆

Month by Month

Plan by Month

Wind, spot, rider level and local tips — one card per month.

Nahai · Peak season

January

12–20 kts · E–SE

★★★★★

Spot: Nahai Beach (south coast)

Level: All levels · great for beginners

💡 Start of the most consistent period (Jan–Mar). Early January can still bring a few showers.

Book Lessons

Nahai · Peak season

February

12–20 kts · E–SE

★★★★★

Spot: Nahai Beach (south coast)

Level: All levels · ideal for beginners

💡 Consistent E–SE wind and usually dry. A busy month on the island — book ahead.

Book Lessons

Nahai · Peak season

PEAK

March

12–20 kts · E–SE

★★★★★

Spot: Nahai Beach (south coast)

Level: All levels · ideal for beginners

💡 Dry and sunny, last month of the Jan–Mar peak. Book 2–3 weeks ahead.

Book Lessons

Nahai · Season end

April

Often lighter · E

★★★★☆

Spot: Nahai Beach (south coast)

Level: All levels · check the forecast

💡 Wind is often a little lighter. Last month at Nahai.

Book Lessons

Nathon · SW season start

May

10–18 kts · SW

★★★☆☆

Spot: Nathon Beach (west coast)

Level: Intermediate+ · beginners on good days

💡 The school moves to Nathon for the SW monsoon. Afternoons are usually best.

Book Lessons

Nathon · SW season

June

10–18 kts · SW

★★★☆☆

Spot: Nathon Beach (west coast)

Level: Intermediate+ · beginners on good days

💡 More variable than the Nahai season — keep your schedule flexible.

Book Lessons

Nathon · SW season

July

10–18 kts · SW

★★★☆☆

Spot: Nathon Beach (west coast)

Level: Intermediate+ · beginners on good days

💡 Afternoons usually best. On lighter days, wing foil or e-foil.

Book Lessons

Nathon · SW season

August

10–18 kts · SW

★★★☆☆

Spot: Nathon Beach (west coast)

Level: Intermediate+ · beginners on good days

💡 Variable SW wind — ask us for the forecast before you book.

Book Lessons

Nathon · SW season

September

10–18 kts · SW

★★★☆☆

Spot: Nathon Beach (west coast)

Level: Intermediate+ · beginners on good days

💡 SW season continues at Nathon, still variable day to day.

Book Lessons

Nathon · Transition

October

Light, variable

★★☆☆☆

Spot: Nathon Beach (end of SW season)

Kite lessons: When the wind allows

Activity: E-foil · Kayak · SUP · Wing foil

💡 Rainy season begins. Lighter, variable wind.

E-Foil Available

Transition · Rainy season

November

Light, variable

★☆☆☆☆

Kite lessons: When the wind allows

Activity: E-foil · Kayak · SUP

💡 Wettest month on Koh Samui. The NE monsoon returns toward December.

E-Foil Available

Nahai · Season start

December

12–20 kts · E–SE

★★★★☆

Spot: Nahai Beach (south coast)

Level: All levels

💡 NE monsoon returns and the school moves back to Nahai. Rainy season still ending — expect some showers.

Check Conditions

* Wind averages based on local data. Check live: Windy.com · Windguru

Local Knowledge

Best Spots by Season

Two seasonal spots — the school, rental and all activities move with the monsoon.

E–SE Wind · Dec–Apr · Peak Jan–Mar

Nahai Beach →

South coast · quiet sandy beach, about 2 km

→Wind: NE in December, SE from late January, typically 12–20 kts
→Best months: January–March (most consistent)
→Area: Hua Thanon village and The Ocean Resort; Lamai 10–15 min by car
→Access: ~35–40 min by car from Samui Airport

★ Main season · best for beginners and all lessons

Nahai Beach spot guide →

SW Monsoon · May–Oct

Nathon Beach →

West coast · next to Nathon town & ferry pier

→Wind: SW monsoon, typically 10–18 kts, more variable
→Timing: afternoons are usually best
→Access: ~40 min from Samui Airport, about 30 min from Nahai
→Ferries from Donsak (Surat Thani) arrive at Nathon pier

★ Second season · intermediate+, beginners on good days

Nathon Beach spot guide →

Local Tip

Best Riding Window

Wind changes day to day — we pick the most reliable window for each session.

Nahai (Dec–Apr)

E–SE wind, most consistent January–March. Your instructor sets session times from the daily forecast.

Nathon (May–Oct)

SW monsoon, more variable than the Nahai season. Afternoons are usually best.

Quick Answers

Common Questions

Is Koh Samui good for beginners?

Yes. The E–SE wind season at Nahai Beach (December–April, most consistent January–March) brings steady wind that suits learning. IKO-certified instruction, radio helmets and safety floats keep lessons safe. Many students complete their first solo ride within a 3-day beginner course.

What are the best months to kitesurf in Koh Samui?

December to April at Nahai Beach is the primary season, and January–March is the most consistent period (typically 12–20 knots). From May to October we ride the SW monsoon at Nathon Beach, typically 10–18 knots and more variable.

Which wind direction works at Koh Samui?

It depends on the season, which is why we use two spots. NE winds in December and SE winds from late January to the end of April work at Nahai Beach on the south coast. SW winds (May–October) work at Nathon Beach on the west coast.

Can you kitesurf year-round in Koh Samui?

Almost. The two seasons are the E–SE wind at Nahai (December–April) and the SW monsoon at Nathon (May–October). October–November is a transition with lighter, variable wind during the rainy season. E-foil, kayak and SUP run on no-wind days.

How strong is the wind in Koh Samui?

Nahai season (Dec–Apr): typically 12–20 knots, most consistent January–March. Nathon season (May–Oct): typically 10–18 knots, more variable, afternoons usually best. Wind is rarely constant all day, so session times follow the forecast.

Season FAQ

Two seasons: the E–SE wind at Nahai Beach, December–April (typically 12–20 kts, peak January–March), and the SW monsoon at Nathon Beach, May–October (typically 10–18 kts, more variable). October–November is a transition with lighter, variable wind.

January, February and March at Nahai Beach — the most consistent E–SE wind (typically 12–20 kts) and the best chance of completing all lesson days without rescheduling. Book accommodation and lessons at least 2 weeks early for these months.

Wing foil requires 12+ knots. Both the Nahai season (Dec–Apr) and the Nathon season (May–Oct) provide enough wind on most days. October–November often drop below this threshold. E-foil sessions are available year-round as no wind is needed.

We reschedule kite and wing foil lessons at no charge when conditions are not suitable. We monitor the forecast daily and contact you the evening before. Extended low-wind periods are least likely January–March at Nahai.