Blue whales are seen most often from January to April, in the calmer November to April season. Shared trips leave Mirissa Harbour at 6:30 am and cost $75 or LKR 16,000 per adult.
Dark months are the peak for that species, light months are the rest of its season. October is marked.
| Species | J | F | M | A | M | J | J | A | S | O | N | D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Blue whale | January: peak | February: peak | March: peak | April: peak | May: not usually seen | June: not usually seen | July: not usually seen | August: in season | September: in season | October: not usually seen | November: in season | December: in season |
| Sperm whale | January: in season | February: in season | March: in season | April: in season | May: not usually seen | June: not usually seen | July: not usually seen | August: not usually seen | September: not usually seen | October: not usually seen | November: in season | December: in season |
| Bryde's whale | January: in season | February: in season | March: in season | April: in season | May: not usually seen | June: not usually seen | July: not usually seen | August: not usually seen | September: not usually seen | October: not usually seen | November: in season | December: in season |
| Spinner dolphin | January: peak | February: in season | March: in season | April: peak | May: not usually seen | June: not usually seen | July: not usually seen | August: not usually seen | September: not usually seen | October: not usually seen | November: in season | December: in season |
Peak In season
From mirissawatersports.lk. Whales turn up outside these months too.
| Operator | What you get | From | Length | Group | Min age | Boat | If no whales | Cancellation | Book |
|---|---|---|---|---|---|---|---|---|---|
Whale Watching Mirissa TourIncludes Morning tea or coffee and breakfast on board, Fruit, coconut rotti with sambal and Coca-Cola on the return, Filtered water, Life jackets and passenger insurance, 30-minute swim stop, weather permitting |
LKR 16,000 per adult |
Usually 4 to 6 hours, sometimes 7 to 7.5 hours; departs 6:30am |
Limited to 55 guests per tour |
Queen Whale, 60 ft luxury catamaran (20 ft wide), tours limited to 55 guests | No guarantee; operator estimates about 50% for whales and 90% for dolphins | Check dates | |||
Whale and Dolphin Watching (shared tour)Includes Fresh breakfast, Welcome tea or coffee, Mineral water and fruit, Life jackets, Public liability insurance |
$75 per person |
About 4 to 5 hours; departs 6:30am |
Children under 3 and pregnant guests need doctor approval | Larger double-deck boat (fleet includes Jayasayura 01, 40 ft 8 in, 40 passengers, and Jayasayura 02, 45 ft, 80 passengers) | Free rescheduled shared trip if no whales are seen, subject to seats; no refund | Full refund if the boat returns to harbour for technical problems, bad weather or other unavoidable reasons; no refund for no sightings. | Check dates | ||
Shared Big BoatIncludes Breakfast, Hotel pickup in Mirissa |
Not listed |
Usually 3 to 5 hours; departs around 7:00am |
None; says sightings are natural and not assured | Check dates |
From each operator's own website, checked October 21, 2026. How we compare.
Whale boats leave from Mirissa Harbour, the largest fishing port on Sri Lanka's south coast. Mirissa Water Sports asks shared-tour guests to check in at its Harbour Road office by 6:00 am for a 6:30 am departure. Whale Watching Club checks guests in at its harbour ticket office around 6:00 am for the same start. Island Breeze Boat Company's boats go out around 7:00 am; it sends the meeting point by WhatsApp and asks guests to arrive 30 minutes early.
Mirissa Water Sports says most sightings come 3 to 6 miles off Mirissa, and its shared trips average 4 to 5 hours, depending on how far the boat has to go. Whale Watching Club's tours usually run 4 to 6 hours and sometimes 7 to 7.5. The blue whale area a few miles south of the harbour is crossed by a busy shipping lane, and ship strikes are a recognised concern.
Mirissa Water Sports says blue whales are most frequent in January to April, as they move past the south and west coasts. It has also recorded many in August and September over the past three years. Researchers logged 729 blue whales on 177 sighting days from whale watching boats in 2015, and saw 13 mother and calf pairs off Mirissa between January and April.
Sperm whales, Bryde's whales, pilot whales, orca and false killer whales also turn up during the season, according to Mirissa Water Sports. Spinner and bottlenose dolphins often join the trips, especially in January and April. Whale Watching Club puts the odds at about 50% for whales and 90% for dolphins, while Mirissa Water Sports cites about 90% success.
The south coast season follows the northeast monsoon. The Sri Lanka Navy's whale watching cruises off Galle and Mirissa have run from October or November to April, and its east coast season at Trincomalee from May to September. Island Breeze Boat Company says seas off Mirissa can be rough from July to September and are calmer from October to April, and Mirissa Water Sports names November to April as the best months.
Mirissa Water Sports suggests sleeping well, skipping a heavy meal and taking motion-sickness tablets about 30 minutes before departure; Whale Watching Club says an hour and keeps tablets on board. Sit toward the middle of the boat and watch the horizon. Bring sunscreen, a hat, sunglasses and a light jacket for spray, as Whale Watching Club warns it can be chilly, and keep the life jacket on for the whole trip.
A Whale Watching Club seat costs LKR 16,000 for an adult, government tax included, and LKR 10,000 for a child aged 5 to 10. The club also lists a Department of Wildlife Conservation fee of $19.50 per adult without saying if the fare covers it. Queen Whale, its 60 ft catamaran, takes up to 55 guests, with breakfast, an English-speaking guide and a 30-minute swim stop when the weather allows. It makes no sighting guarantee and has run independently since 2013.
Mirissa Water Sports charges $75 per person for its shared trip on a larger double-deck boat, with breakfast, and says it works with marine mammal researcher Anouk Ilangakoon. If no whales are seen it offers a free rescheduled seat, subject to space, but no refund; it does refund if the boat turns back for weather or technical problems. It also sells private speed boat charters by quote and says it follows WDC's criteria for responsible whale watching.
Island Breeze Boat Company quotes prices only on WhatsApp, includes breakfast and hotel pickup in Mirissa, and offers private speed boat and private big boat trips. The Sunday Morning reported in October 2025 that swimming with whales needs prior approval from the Department of Wildlife Conservation. Its director general said he grants that only for scientific documentation, and licensed boats stop 100 m from whales.
from $75 per person
Whale and Dolphin Watching (shared tour)
Says it has a professional naturalist crew and licensed captains
from LKR 16,000 per adult
Whale Watching Mirissa Tour
Independent operator since 2013; says it does not share tours or work with other operators
Price on request
Shared Big Boat
Also offers Private Speed Boat and Private Big Boat trips
Prices and policies come from each operator's own pages, read on October 21, 2026. Seasons, rules and local details come from the pages below.