Last checked: 25 October 2026. Lia edits this guide. Sources: SEMARNAT notice in the Diario Oficial de la Federación on the 2025–2026 whale-watching season; NOM-131-SEMARNAT-2010.
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When to go
The official season covers roughly December to March, and January and February are usually the best months. A sighting is likely then. It is not a promise. Anyone who guarantees a whale is selling you a story.
| 2025–26 season | 8 December 2025 – 23 March 2026 |
| 2026–27 season | Check SEMARNAT’s announcement |
| Species | Humpback whales, mostly; sometimes others |
| Departures | Marina Vallarta, Nuevo Vallarta, La Cruz, Punta de Mita, Los Muertos pier |
The rules
Whale watching in Mexico is regulated by the official standard NOM-131-SEMARNAT-2010. Boats must hold a permit for the season, keep their distance, limit how long they stay with a group of whales and approach slowly. Swimming with humpback whales is not allowed.
Choosing a tour
- Ask whether the operator holds a current SEMARNAT permit.
- Smaller boats are closer to the water; bigger boats are steadier.
- Morning seas are often calmer.
- Some tours have marine biologists on board.
Without a tour
You may see whales spouting from the Malecón, the South Shore or a boat to Yelapa, especially in January and February.
Frequently asked questions
When is whale season in Puerto Vallarta?
Officially from early December to late March; in 2025–26, 8 December to 23 March.
Can you swim with whales in Puerto Vallarta?
No. It isn’t allowed with humpback whales.
Are whale sightings guaranteed?
No, though they’re very likely at the peak of the season.
