From the walls of Kotor the bay opens out between mountains that drop straight into the sea: by boat you reach Perast, the islet of Our Lady of the Rocks and the Blue Cave, where you can swim. Here you can compare the boat tours (speedboat to the Blue Cave, Perast in 90 minutes, full-day cruise), what they cost, the cheapest way to the island and the hour-by-hour weather and wind.
Budget option → · Kotor, Montenegro
Weather at 12:00 PM. Boat trips start from 09:00.
| Tour | From | Duration | What you see | Languages | Cancellation | Departure |
|---|---|---|---|---|---|---|
| Our pickSpeedboatGetYourGuide | €35.74 | 3 h | Perast, Our Lady of the Rocks, Mamula, submarine base, Blue Cave | Guide EN and others; audio IT | Free up to 24 h before | Park Slobode (Kotor harbour) |
| MotorboatGetYourGuide | €30 | 1 h 30 | Perast, Our Lady of the Rocks | Guide EN | Free up to 24 h before | Park Slobode (Kotor harbour) |
| Three-deck wooden shipGetYourGuide | €30 | 8 h | The whole bay to Herceg Novi | Guide EN, RU, SR | Free up to 24 h before | Tivat or Kotor |
Our pick: the speedboat tour to the Blue Cave and Our Lady of the Rocks, from €35.74. In three hours you see the best of the bay and swim in the Blue Cave; it is the most reviewed (4.8 from 5,173) and you can cancel free up to 24 hours before. Entry to the islet’s church and museum is €5 in cash.
3 h · 4.8 from 5,173 GetYourGuide reviews
1 h 30 · 4.5 from 118 GetYourGuide reviews
8 h · 4.3 from 1,285 GetYourGuide reviews
Indicative prices, checked on November 2, 2026: they may change: the final price is the one shown by the seller.
You can reach Our Lady of the Rocks on your own for very little.
The best months are June to September: warm sea for a swim in the Blue Cave and little rain.
| Month | Average high | Rainy days |
|---|---|---|
| Jan | 13° | 14 |
| Feb | 14° | 13 |
| Mar | 16° | 13 |
| Apr | 19° | 12 |
| May | 24° | 10 |
| JunBest | 28° | 8 |
| JulBest | 31° | 6 |
| AugBest | 32° | 6 |
| SepBest | 27° | 8 |
| Oct | 23° | 10 |
| Nov | 18° | 14 |
| Dec | 14° | 15 |
Herceg Novi 1991–2020 averages, at the mouth of the bay (Hydrological and Meteorological Service of Montenegro): mean daily maximum and days with at least 0.1 mm of rain. Source: table on Wikipedia (“Herceg Novi”).
Not ideal
Not ideal: heavy rain, 12 to 14 °C, 5 mm, wind up to 20 km/h.
| Time | Sky | Temperature | Rain | Wind |
|---|---|---|---|---|
| 12:00 | Cloudy | 14° | – | 18 km/h |
| 13:00 | Cloudy | 13° | – | 18 km/h |
| 14:00 | Cloudy | 14° | – | 18 km/h |
| 15:00 | Rain | 13° | 0.6 mm | 19 km/h |
| 16:00 | Heavy rain | 12° | 1.3 mm | 20 km/h |
| 17:00 | Heavy rain | 12° | 3.1 mm | 18 km/h |
Fair
Fair: heavy rain, 14 to 17 °C, 4.7 mm, wind up to 15 km/h.
| Time | Sky | Temperature | Rain | Wind |
|---|---|---|---|---|
| 09:00 | Light rain | 14° | 0.4 mm | 9 km/h |
| 10:00 | Cloudy | 16° | – | 11 km/h |
| 11:00 | Rain | 17° | 1 mm | 13 km/h |
| 12:00 | Rain | 16° | 0.6 mm | 14 km/h |
| 13:00 | Heavy rain | 16° | 1 mm | 15 km/h |
| 14:00 | Rain | 16° | 0.5 mm | 14 km/h |
| 15:00 | Light rain | 16° | 0.2 mm | 14 km/h |
| 16:00 | Light rain | 15° | 0.1 mm | 14 km/h |
| 17:00 | Rain | 15° | 0.9 mm | 15 km/h |
The best days for a boat trip are Tuesday, November 17. The rating only looks at rain and wind during tour hours.
Today and tomorrow are accurate hour by hour; up to day seven the trend is reliable; the last days give a rough idea. Above 30 km/h the water gets choppy and small boats may postpone departures. Updated every hour.
Winter is wet: from November to January it rains about every other day.
Park Slobode is on the harbour, a few steps from the main gate of the old town.
The nearest airports are Tivat and Dubrovnik; daily buses run from Dubrovnik to Kotor.
The speedboat tour to the Blue Cave and Our Lady of the Rocks costs from €35.74, Perast in 90 minutes from €30, the full-day cruise from €30 plus €15 in entry fees.
Yes: take the bus to Perast (€1.50) and a small boat from the waterfront, about €5 return. Boatmen set the price.
Yes, tours that include it stop for about 30 minutes for a swim, sea permitting.
Most from Park Slobode, on Kotor harbour in front of the old town.
Not ideal: heavy rain, 12 to 14 °C, 5 mm, wind up to 20 km/h.
Saturday, November 14: Not ideal: rain, 14 to 14 °C, 5.1 mm, wind up to 4 km/h. Sunday, November 15: Not ideal: heavy rain, 14 to 14 °C, 8 mm, wind up to 5 km/h.
Reliable forecasts go about 10 days ahead: here you get the next 10, hour by hour (with wind) for today and tomorrow and as a trend after that. To choose the month, see the climate month by month.
Forecasts come from MET Norway, the Norwegian Meteorological Institute, calculated for the tour area’s coordinates and updated every hour during the day and every 3 hours at night. Tour prices and conditions are checked on the sellers’ pages, with the date.
Blue Cave, submarine base and Our Lady of the Rocks · from €35.74
Forecast by MET Norway, the Norwegian Meteorological Institute, calculated for the tour area’s coordinates. Forecast: MET Norway (CC BY 4.0), updated every hour. Updated: November 2, 2026.