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Surin Islands Timings & Best Time to Visit Guide

Surin Islands operational timings

MonthHoursFrequencyNotes

November – April

8:00am-5:00pm

Daily (weather permitting)

Peak season with calm seas and excellent visibility for snorkeling and diving

May – October

Closed

-

Mu Ko Surin National Park is closed due to the monsoon for visitor safety

Timing notes & visitor warnings

  • Entry is permitted only during the park’s open season (November–April).
  • Speedboat departures to the Surin Islands operate between 8:00 AM and 9:30 AM from Khao Lak and 7:00–8:00 AM from Phuket.
  • Last return boats leave around 3:30–4:00 PM to ensure safe travel before sunset.
  • Surin Islands weather or high winds can cause last-minute delays or cancellations.
  • Visitors are advised to avoid travel during May–October, when access is prohibited due to heavy rains and rough seas.

Best time to visit Surin Islands Thailand

Speedboat near coral reef with snorkelers in Surin Islands, Thailand.

November – April (Peak Season)

  • Weather: Calm seas, clear skies, average temperature around 28°C
  • Activities: Snorkeling, diving, hiking
  • Crowd level: High
  • Highlights: Best underwater visibility, active marine life, and perfect beach weather

May – October (Closed Season)

  • Weather: Heavy rains and rough seas
  • Activities: Park closed
  • Crowd level: None
  • Highlights: Maintenance period; ideal time for planning your next trip
Couple on speedboat bow with Surin Islands' turquoise waters in background.
  • Weekdays: Quieter tours with smaller groups; ideal for photography and uninterrupted snorkeling.
  • Weekends: Slightly busier as locals and tour groups visit.
  • Public holidays (Thailand): Expect full boats; book Surin Island tours in advance.
Boats on white sand beach with clear blue water in Surin Islands.
  • Morning (8am – 11am): Calm waters, best for snorkeling and diving visibility.
  • Midday (11am – 2am): Ideal for relaxing at Twin Beach or Moken Village cultural visits.
  • Afternoon (2am – 4pm): Softer light for photography; avoid late departures as sea winds increase.

Weather at Surin Islands

MonthAvg. TemperatureConditionsCrowd LevelNotes

Nov – Dec

27°C

Cool breeze, clear skies

Medium

Great for snorkeling and first-time visitors.

Jan – Mar

28°C–30°C

Sunny, excellent visibility

High

Peak diving season; ideal for underwater photography.

Apr

31°C

Hot and humid

High

Calm seas but increased humidity

May – Oct

25°C–28°C

Rainy, strong waves

Closed

Park is inaccessible for safety reasons

How long to spend at the Surin Islands Thailand

Aerial view of Surin Islands' lush green coastline and turquoise waters.
  • 2–3 hours: Perfect for a quick visit to the main island and a snorkeling session near Twin Beach.
  • Half day (4–5 hrs): Explore Moken Village and nearby reefs, enjoy a guided snorkeling tour.
  • Full day (6–8 hrs): Combine 3–4 snorkeling sites, hiking, and beach relaxation.
  • Overnight: Stay in eco-lodges or camp for early-morning snorkeling and sunset views.

FAQs

Is the Surin Islands National Park open year-round?

No, it’s open only from November to April. It closes during the monsoon (May–October) for safety and coral recovery.

What are the first and last boat timings to the Surin Islands?

The first boats leave Phuket around 7:00 AM and Khao Lak around 8:00–9:00 AM. The last return boats depart by 4:00 PM.

Can I stay overnight on the islands?

Yes, visitors can stay at eco lodges or Mu Ko Surin camping sites, managed by the park authorities.

When is the best time for snorkeling and diving?

The best visibility and marine activity occur between February and March, ideal for Surin Islands snorkeling and diving.

Do I need to book in advance?

Yes, advance Surin Phuket booking is strongly recommended, especially for December–March departures.

Where can I find the official Surin Islands schedule?

Visit the official park website for the latest schedule and weather updates.

Are tours affected by weather?

Yes, rough seas can delay or cancel speedboat departures. Always check Surin Islands weather before travel.

When are the Surin Islands least crowded?

Mid-November and late-April see fewer tourists while maintaining pleasant weather and clear waters.