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Collection Climate Science and Information
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Subject Climate Information - Oceania
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Subject Climate change - Information - Vanuatu
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COSPPac Pacific Weekly Access-S Update - Wednesday 08 October 2025

SPREP Publications, Climate Science and Information

Available Online

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.

COSPPac Pacific Weekly Access-S Update - Wednesday 01 October 2025

SPREP Publications, Climate Science and Information

Available Online

Ocean Outlook, fortnight to 17 October: • Sea surface temperature (SST) forecasts more than 0.8°C above normal are favoured in the following countries' Exclusive Economic Zones (EEZs): Palau, northern CNMI, southern FSM, PNG, Solomon Is, Vanuatu, New Caledonia, central French Polynesia, and Pitcairn Is. SST anomalies above 1.2°C are favoured in PNG, the western Solomon Islands, northwest New Caledonia, and eastern French Polynesia. Elsewhere, SSTs are predicted to be near-normal.

COSPPac Monthly Pacific Climate and Ocean Bulletin, August 2025

SPREP Publications, Climate Science and Information

Available Online

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.

Pacific Islands Early Action Rainfall Watch : September 2025

SPREP Publications, Climate Science and Information

Available Online

The El Niño–Southern Oscillation (ENSO) remains neutral. The Indian Ocean Dipole (IOD) index has now met the negative IOD threshold (less than or equal to −0.4 °C) for 7 consecutive weeks. . The Bureau’s model predicts some further cooling of the tropical Pacific is likely, potentially reaching La Niña levels briefly during spring (September to December), and returning to neutral in the austral summer (December to February). This is consistent with most international models assessed, with around half indicating ENSO will remain neutral, and the other half indicating La Niña may develop.

Inception and Stakeholders Consultation Report : Review and Updating of the Vanuatu Rural Road Design Guide

SPREP Publications, Climate Science and Information

Available Online

Vanuatu's meteorology and geo-hazards department is an important source of local real-time climate data and information for the the public, using local radio to disseminate information and warnings to the public leading up to an anticipated cyclone event.

Marine Heatwave Impacts on Seagrass in Vanuatu - Fisheries

SPREP Publications, Climate Science and Information

Available Online

This case study examines the impacts of climate change on marine heatwaves and seagrass in Vanuatu. This case study can be used as an example for undertaking similar climate hazard-based impact assessments.

Current and Future Influence of Tropical Cyclones on Agricultural Production in Vanuatu

SPREP Publications, Climate Science and Information

Available Online

This case study describes tropical cyclone impacts on agricultural production in Vanuatu, using a step by step approach.

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