Sea Ice Prediction Network | ARCUS
9 September 2025
- Call for Input
Call for Contributions: September 2025 Sea Ice Outlook
The Sea Ice Prediction Network (SIPN) invites you to contribute to the September 2025 Sea Ice Outlook (SIO)—a collaborative, community-driven effort to compare and improve seasonal sea ice forecasts.
SEPTEMBER DEADLINE FOR SUBMISSIONS
6:00 p.m. (AKDT) Tuesday, 23 September 2025
(based on May, June, July, and August data)
Visit the SIO webpage for instructions and form to submit!
20 August 2025
- Report
July 2025 Sea Ice Outlook Report
The abbreviated 2025 July Sea Ice Outlook (SIO) Report is now available online. This report has been developed by SIPN team members from 22 contributions of September pan-Arctic sea-ice extent forecasts submitted in July 2025, based on May and June 2025 data.
Read the Report
11 August 2025
- Report
June 2025 Sea Ice Outlook Report
The abbreviated 2025 June Sea Ice Outlook (SIO) Report is now available online. This report has been developed by SIPN team members from 27 contributions of September pan-Arctic sea-ice extent forecasts submitted in June 2025, based on May 2025 data.
View Report
26 September 2024
- Report
September 2024 Sea Ice Outlook Report
The abbreviated 2024 September Sea Ice Outlook (SIO) Report is now available online. This report has been developed by SIPN team members from contributions of September pan-Arctic sea-ice extent forecasts submitted in September 2024, based on May-August 2024 data.
View Report
30 August 2024
- Report
August 2024 Sea Ice Outlook Report
The 2024 August Sea Ice Outlook (SIO) Report is now available online. This report has been developed by SIPN team members from 24 contributions of September pan-Arctic sea-ice extent forecasts submitted in July 2024, based on May and June data.
View Report
26 July 2024
- Report
July 2024 Sea Ice Outlook Report
The 2024 July Sea Ice Outlook (SIO) Report is now available online. This report has been developed by SIPN team members from 22 contributions of September pan-Arctic sea-ice extent forecasts submitted in June 2024, based on May data.
View Report
Sea Ice Data at NSIDC
Through the National Snow and Ice Data Center (NSIDC), SIPN manages a comprehensive list of datasets useful for sea ice prediction.
SIPN Dataset Website
Mailing List
Join the SIPN mailing list to receive and send announcements about Arctic sea ice science, data, news, and SIPN activities.
SIPN on LinkedIn
Join SIPN on LinkedIn and connect with other sea ice professionals!
SIPN on LinkedIn
From Youtube
SIPN on Youtube
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