Search the SPREP Catalogue

The Pacific Weekly ACCESS-S update 22 October 2025

The Pacific Weekly ACCESS-S Update from the Climate and Oceans Support Program in the Pacific

Ocean Outlook, fortnight to 24 October: • Sea surface temperature (SST) forecasts more than 0.8°C above normal are favoured in the following countries' Exclusive Economic Zones (EEZs): most of Palau and CNMI, southwestern FSM, PNG, western half of the Solomon Is, most of Vanuatu, New Caledonia, far southern Tonga, southeastern Cook Is., and the southern half of French Polynesia. SST anomalies above 1.2°C are favoured in large parts of PNG, the northwestern Solomon Islands, and northwest New Caledonia. Elsewhere, SSTs are predicted to be near-normal.

In August, the Intertropical Convergence Zone (ITCZ) was active and south of its normal posi-tion over the western Pacific over FSM and RMI. The South Pacific Convergence zone was ac-tive and shift south of its normal position over New Caledonia, Vanuatu, Fiji and southern Ton-ga.

This document details a cost benefit analysis of investing in a new weather radar for Vanuau, under the project Climate Information Services for Resilient Development in Vanuatu. Weather radar are primarily designed to detect and map areas of precipitation, measures their intensity and motion, and their type.