Thailand offers some of the best fishing opportunities in the world, thanks to its warm waters and diverse marine ecosystem. The best season for fishing in Thailand extends from August to April, making it nearly a year-round fishing destination. Different fish species are more active during specific months, so knowing when to plan your trip can make all the difference. Here’s a breakdown of Thailand’s fishing seasons and what you can expect to catch in different months.
Fishing Seasons in Thailand
August – October (Transition Season)
- Monsoon rains start to subside, improving fishing conditions.
- Best for Grouper, Snapper, Barracuda, and Giant Trevally (GT).
- Offshore fishing can be rough in some areas, but inshore fishing remains productive.
November – February (Peak Season)
- The best time for deep-sea fishing due to calm waters and mild weather.
- Excellent season for Sailfish, King Mackerel, Tuna, and Barracuda.
- Most fishing charters operate at full capacity, so booking in advance is recommended.
March – April (Hot Season, Great Fishing)
- Water temperatures rise, attracting more predatory fish.
- Great for Giant Trevally, King Mackerel, Snapper, and Grouper.
- Some of the biggest trophy fish are caught during this period.
May – July (Rainy Season, But Still Fishable)
- Although the monsoon season is in effect, many fish remain active.
- Best for bottom fishing and night fishing, particularly for Squid, Snapper, and Barracuda.
- Offshore fishing can be challenging, but sheltered bays provide excellent fishing opportunities.
Fish Species by Season
| Fish Species | Best Months |
| Sailfish | November – February |
| Giant Trevally (GT) | August – April |
| Tuna (Yellowfin & Dogtooth) | November – April |
| Barracuda | Year-round, peak in November – March |
| Snapper | August – April |
| Grouper | August – April |
| King Mackerel | November – April |
| Squid (Night Fishing) | May – September |
Where to Fish in Thailand
- Pattaya & Gulf of Thailand – Best for Barracuda, GT, and Snapper.
- Phuket & Andaman Sea – Top choice for Sailfish, Tuna, and King Mackerel.
- Koh Samui & Koh Tao – Ideal for Squid, Grouper, and reef fishing.
Tips for Fishing in Thailand
✅ Book Early – Peak season (Nov-Apr) means high demand for charters. ✅ Choose the Right Fishing Style – Deep-sea fishing, bottom fishing, or night fishing. ✅ Check Weather Conditions – Rainy season (May-Jul) requires flexible planning. ✅ Use Local Guides – They know the best fishing spots and techniques.
Final Thoughts
Fishing in Thailand is a year-round adventure, but August to April offers the best opportunities. Different fish species peak at various times, ensuring that no matter when you visit, there’s always something exciting to catch.
