Booking choice: The Tasman Island cruise, from $136 per person. Check dates Tour details
Every year humpback and southern right whales travel up the Tasmanian coast in winter and back down in spring. The return trip is the one that matters for a Port Arthur visit: it runs through the warmer, calmer months when the cruise boats are out every day.
Here is what Tasmania's Parks and Wildlife Service and the operators say about timing, as of 21 October 2026, and how to give yourself the best chance.
The quick answer
Humpbacks pass Tasmania heading south between September and November, and southern right whales from September to late October. October and November are the peak. The 3-hour Tasman Island Cruise from Port Arthur covers the most open water, so it gives the best odds. Sightings are never guaranteed; fur seals are the most reliable sighting.
When is whale season on the Tasman Peninsula?
Whales are seen off Tasmania from May to December. In spring, humpbacks head south from September to November and southern rights from September to late October.
The Parks and Wildlife Service says southern right whales travel north "from June to September" and head back south from September to late October. Humpbacks go north from May to July and "return southward to their subantarctic feeding grounds between September and November". Tasmania's maritime authority, MAST, sums it up: whales "will be sighted regularly off the Tasmanian coast between May and December each year".
Discover Tasmania names October and November as the peak months, and quotes Pennicott seeing up to 10 whales a day in good spring weather. Orcas and blue whales turn up now and then. Do not plan a trip around them.
| Month | Humpback | Southern right | Our take |
|---|---|---|---|
| May to July | Heading north | From June, heading north | Winter seas, fewer boats |
| August | Some passing | Heading north | Cold, short days |
| September | Heading south | Heading south | Season turns |
| October | Heading south | Heading south to late Oct | Peak month |
| November | Heading south | Mostly gone | Peak for humpbacks |
| December | Stragglers | Gone | Possible, not likely |
Which Port Arthur cruise gives the best chance of seeing whales?
The 3-hour Tasman Island Cruise. It spends the most time in open water, out past Cape Pillar towards Tasman Island, where migrating whales pass along the coast.
The Tasman Island cruise leaves from the Tasman Island Cruises office near Port Arthur and runs about three hours along the highest sea cliffs on the peninsula. The operator, Tasman Island Cruises, lists migrating whales, hundreds of seals, dolphins and albatross along this coast. The morning cruise runs all year; from 1 December an afternoon departure is added. Site entry is not included.
One guest review on the listing reads: "We saw a whale, dolphins and seals!" That is a good day, not a promise. If you want the cruise and Port Arthur without a car, the Tasman Island cruise day from Hobart combines the same 3-hour cruise with about three hours at the site, lunch and entry.
| Cruise | From | Length | Open water | Site entry |
|---|---|---|---|---|
| Tasman Island cruise | $136 | 3 h | Most: Cape Pillar, Tasman Island | Not included |
| Cruise + Port Arthur day | $246 | 10.5 h day | Same 3-hour cruise | Included |
| Cape Raoul cruise | $98 | 1.5 h | Less: west to Cape Raoul | Required, extra |
Three hours under the cliffs of Cape Pillar, the best whale odds from Port Arthur in October and November.
Explore the Tasman Island cruise Tour detailsCan you see whales on the Cape Raoul cruise?
You can, but it is shorter and stays closer to the coast. Treat whales as a bonus and the cliffs, seals and seabirds as the reason to go.
The Cape Raoul cruise runs 90 minutes from the Port Arthur jetty, twice a day at about 10:45am and 1:15pm. The official page lists migrating whales along with albatrosses, white-bellied sea eagles and dolphins. It passes Point Puer and the Isle of the Dead on the way out, then the dolerite columns of Cape Raoul, more than 250 m high.
The big plus is logistics. You are already at the site, so it fits between the Penitentiary and lunch. You do need a Port Arthur ticket: A$190 adult for the official cruise and entry combo, or $98 for the cruise alone if you hold entry already. Guests on the listing mention "heaps of albatross" more often than whales.
Are whale sightings guaranteed?
No. Nobody can guarantee a whale, and the operator says so. Weather, sea state and luck all decide it.
Tasman Island Cruises states that it "can't guarantee animal sightings". Rough seas can cut a route short, and whales move fast along the coast. Ten whales one day can be none the next.
A few things help. Go in October or November. Pick the 3-hour cruise over the 90-minute one. Choose a calm day if your plans are flexible, because a flat sea makes blows and backs easier to spot. Every option on this page cancels free up to 24 hours before, so you can watch the forecast and move the date. Our cruise guide compares the two boats in more detail.
What other wildlife can you see off the Tasman Peninsula?
Australian fur seals on almost every cruise, dolphins on many, and albatross and sea eagles along the cliffs.
The Parks and Wildlife Service lists Tasman National Park among the places fur seals haul out, and the Australian fur seal as the most common seal in Tasmanian waters. Expect to smell the colony before you see it. Common and bottlenose dolphins are both regular in Tasmanian waters, and pods sometimes ride the bow wave of the cruise boats.
Seabirds are the quiet surprise. Both operators list albatross along the cliff line, and the Cape Raoul page adds white-bellied sea eagles. Bring binoculars and dress warmer than you think: Pennicott recommends jackets, beanies and gloves, and provides spray jackets on board.
How should you behave around whales, and how do you report a sighting?
Boats keep at least 100 m away. If you spot a whale from shore, report it to the Whale Hotline on 0427 WHALES (0427 942 537).
MAST rules say vessels at slow, no-wake speed stay at least 100 m from a whale and must withdraw if the animal shows any disturbance. The cruise skippers know this, which is why you watch from a respectful distance and let the whale decide how close it comes.
Tasmania's Department of Natural Resources and Environment collects sightings on 0427 WHALES, by email at [email protected], or on Facebook under #whalestas. Land lookouts on the peninsula can work too. Watch from high ground on a calm morning, and look for the blow first.
Frequently asked questions
What month is best for whale watching near Port Arthur?
October and November. Humpbacks head south past Tasmania from September to November, and southern right whales until late October.
Which cruise from Port Arthur is best for whales?
The 3-hour Tasman Island Cruise, because it covers the most open water around Cape Pillar. The 90-minute Cape Raoul cruise can see whales too, but less often.
Will I definitely see a whale?
No. The operator does not guarantee sightings. Fur seals are the most reliable sighting on both cruises; whales depend on season, weather and luck.
Does the Tasman Island cruise include Port Arthur entry?
No. The cruise alone does not include site entry. The full-day tour from Hobart with the same cruise does include Port Arthur entry and lunch.
Ready to book
Choose your tour
Free cancellation up to 24 hours before on every option. Prices are from-prices in USD and move with the season.
Tasman Island Wilderness Cruise
Sea cliffs, seals and dolphins if you are already on the peninsula
Tasman Island Cruise & Port Arthur Day
- 3-hour Tasman Island wilderness cruise
- Port Arthur Historic Site entry
- Morning tea and lunch
Cape Raoul Wilderness Cruise
A 90-minute cruise from the site jetty to the dolerite columns
