Outlook:
A trough of low pressure with associated cloud and showers affects Southern Cooks. Cloudy periods with brief showers. Moderate to fresh northeast to southerly winds. Moderate to rough seas. A trough of low pressure lies slow moving over northern parts of Northern Cooks. Meanwhile, a moist easterly wind flow prevails over the group. Occasional showers and isolated thunderstorms over Penrhyn and Manihiki. Elsewhere, cloudy periods with some showers and possible isolated thunderstorms. Moderate to fresh easterly winds. Moderate to rough seas.
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The Cook Islands Meteorological Service is a division of the Ministry of Transport. It is dedicated in providing you with the latest weather updates, forecasts and warnings for the Cook Islands. Since that first rainfall observation in 1899 in Rarotonga, more observations are now made so as to guide us to see what will happen tomorrow.

 

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Tropical Cyclone Outlook 2021-2022
/ 15 Oct 21 / 0 comments

Tropical Cyclone Outlook 2021-2022 for the Pacific southwest region issued by the National Institute of Water and Atmospheric research (NIWA, Nz) and Bureau of Meteorology (BoM, Aus) in collaborati

cosspac steering committee meeting
Cook Islands prepares for Early Action Rainfall Watch
/ 23 May 19 / 0 comments

21 May 2019, Rarotonga, Cook Islands - Just last week in the presence of the United Nations Secretary General, António Guterres, Pacific Island Forum Leaders reiterated that climate change is the s

cosspac steering committee meeting
New Zealand the newest partner of the Climate and Ocean Support Program in the Pacific
/ 23 May 19 / 0 comments

22 May 2019, Rarotonga, Cook Islands - The Government of New Zealand were commended today for its support towards climate and ocean science work in the Pacific islands through the Climate and Ocean

cosspac steering committee meeting
Climate science central to building resilient Pacific communities
/ 23 May 19 / 0 comments

22 May 2019, Rarotonga, Cook Islands - The crucial role of science to help informed decision making in the face of climate change was stressed during a gathering of Pacific Met Directors and partne

Instruments
"Downscaling" the buzz word for Pacific Met services across the region
/ 18 Jul 16 / 0 comments

"This is a new area for our Pacific Met Services, it not only empowers us but it is also a pioneering opportunity for us in the region," – Sunny Seuseu, SPREP.

rokpi
Pacific islanders to benefit from computer based programs for their Met Services
/ 18 Jul 16 / 0 comments

18 July 2016, Rarotonga, Cook Islands - Fifteen Pacific Island Met Services across the region were gifted laptops to help strengthen their forecasting abilities using new 'downscaling' climate pred

Rainfall Indicator - Rarotonga

Rainfall Summary - Rarotonga

Satellite Imagery