When to go?

Depending on the objectives of your research, you may wish to visit OTIRS when certain conditions or biological events are more likely to occur. Here is some information to help you decide when to come to OTIRS.


The Australian Institute of Marine Science (AIMS) maintains a marine weather station at One Tree Island. This weather station is part of the Integrated Marine Observing System (IMOS) and weather data can be accessed here. An example of annual temperatures is given here.

Tidal information

One Tree Reef is a mesotidal environment, with a maximum tidal range of 3.5 m. Due to the raised reef rim, the lagoon ponds at low tide. As a result, boats may only enter or exit the lagoon at certain tidal heights.

Tide information for OTI.

Annual closures

One Tree Island Research Station is normally closed for the month of July; however, in some years annual closure could occur in June or August. Please enquire well in advance in order to secure your booking.