Meeting calendar and deadlines September 2025 - June 2026

The calendar of meetings for OSPAR from September 2025 - June 2026 is shown below

Document deadlines:

Draft agenda for OSPAR Commission meetings: to be circulated at least 8 weeks before the meeting.

Draft agenda for subsidiary bodies: to be circulated at least 6 weeks before the meeting.

Draft Decisions and Recommendations: to be submitted at least 12 weeks before the meeting of the subsidiary body at which they will be considered, and 5 weeks before the meeting of the OSPAR Commission meeting at which they are presented for adoption.

Documents submitted for discussion or information at a meeting shall be received by the Secretariat at least three weeks before the opening of a meeting of the Commission or of a subsidiary body.

Applications from Non-Governmental Observer Organisations for observer status: to be received at least 12 weeks before the meeting of the OSPAR Commission.

Acronym

Date

Name

Host

Location

Document deadline

GG 25

26 September 2025

Governance Group

Videoconference
WG-AOC12 September 2025Ad Hoc Working Group on Amendment of the Convention

ICG-Noise 25 extra

16-17 September 2025

Intersessional Correspondence Group on Underwater Noise

Germany

Berlin

Bonn 2025

16-18 September 2025

Bonn agreement – Meeting of the Parties

Spain

Madrid

JEG-NIS

23-24 September 2025

Joint Expert Group on non-indigenous species

Secretariat office (London)

London

JTG Ballast & Biofouling24-25 September 2025Joint Task Group on ballast and biofoulingSecretariat office (London)

WG-COCOA(2) 2025

30 September-2 October 2025

Working Group on Changing Ocean Climate and Ocean Acidification

United Kingdom

London

9 September 2025

ICG-MSFD(2) 2025

7-8 October 2025

Intersessional Correspondence Group on the Marine Strategy Framework Directive

Belgium

Brussels

16 September 2025

ICG-ORED(2) 2025

7-9 October 2025

Intersessional Correspondence Group on Offshore Renewable Energy Development

Secretariat office (London)

16 September 2025

ICG-ESA

13 October 2025 (morning)

Intersessional Correspondence Group on Economic and Social Analysis

Online

19 September 2025

HASEC(2) 2025

13-14 October 2025 (over 2 mornings)

Hazardous Substances and Eutrophication Committee

Online

19 September 2025

JL(2) 202514-15 October 2025Jurists/LinguistsSecretariatLondon

BDC(2) 2025

15-16 October 2025

Biodiversity Committee

Online

23 September 2025

EIHA(2) 202531 October 2025Environmental Impact of Human ActivitiesOnline
ICG-EcoC(2) 20253 November 2025Intersessional Correspondence Group on Ecosystem Assessment Outlook – Cumulative Effects AssessmentOnlineN/A13 October 2025

ICG-MPA 2025

11-13 November 2025

Intersessional Correspondence Group on Marine Protected Areas

UK

Edinburgh

MIME

18-21 November 2025

Working Group on Monitoring and Concentrations, Trends and Effects of Substances in the Marine Environment

Secretariat/ICES

ICES HQ, Copenhagen

CoG(2) 2025

17-19 November 2025

(2 days lunchtime to lunchtime)

Coordination Group

Secretariat

London

24 October 2025

GG(2) 2025

19 November 2025 (afternoon)

Governance Group

Secretariat

London

HOD

20-21 November 2025

Heads of Delegation

Secretariat

London

29 October 2025

ICG-POSH 2025

25-27 November 2025

Intersessional Correspondence Group on implementation follow up of measures for the Protection of Species and Habitats

SecretariatLondon
ICG-ML(2) 20258-10 December 2025Intersessional Correspondence Group on Marine LitterOnline

ICG-COBAM(2) 2025

9-11 December 2025

Coordination of Biodiversity Assessment and Monitoring

France

La Rochelle

ICG-POSH (Extra)14 January 2026Intersessional Correspondence Group on implementation follow up of measures for the Protection of Species and HabitatsOnline

ICG-Eut 2026

26-27 January 2026 (1.5 days)

Intersessional Correspondence Group on Eutrophication

France

Nantes (Ifremer)

2 January 2026

Joint meeting of ICG-Eut and INPUT

27-29 January 2026 (2 days midday on 27-midday on 29)

ICG-Eut and WG INPUT

France

Nantes (Ifremer)

5 January 2026

INPUT 2026

29-30 January 2026 (1.5 days)

Inputs to the Marine Environment

France

Nantes (Ifremer)

7 January 2026

ICG-Noise 2026

3 - 4 February 2026

Intersessional Correspondence Group on Underwater Noise

The Netherlands

Delft

12 January 2026

RSC 2026

10-13 February 2026 (3.5 days)

Radioactive Substances Committee

Belgium

Brussels

19 January 2026

ICG-ORED24 February 2026Intersessional Correspondence Group on Offshore Renewable Energy DevelopmentOnline
ICG-EcoC26 February 2026Intersessional Correspondence Group on Ecosystem Assessment Outlook – Cumulative Effects AssessmentOnline

BDC 2026

2-6 March 2026

Biodiversity Committee

Portugal

Madeira

6 February 2026

OIC 2026

9-13 March 2026

Offshore Industry Committee

Ireland

Dublin

13 February 2026

WG-AOC(1) 202619 March 2026Ad Hoc Working Group on Amendment of the ConventionOnline

HASEC 2026

23-27 March 2026

Hazardous Substances and Eutrophication Committee

GermanyDessau

27 February 2026

Easter weekend 3-6 April 2026

EIHA 2026

13-17 April 2026

Environmental Impact of Human Activities

Sweden

20 March 2026

ICG-MSFD(1) 202621 April 2026Intersessional Correspondence Group on the Marine Strategy Framework DirectiveOnline

NSN

21-22 April 2026

North Sea Network

Sweden

JL(1) 2026

22-23 April 2026

Jurists/Linguists

Secretariat

London

CVC

5 May 2026

Chairs and Vice-chairs

Online – 2-3 hours

CollArr 202611-12 May 2026Collective ArrangementNEAFC officesLondon
OTSOPA19-21 May 2026Bonn Agreement Working GroupGermany

CoG(1) 2026

19-20 May 2026

Coordination Group

Secretariat

London

27 April 2026

HOD(1) 2026

20-21 May 2026

Heads of Delegation

Secretariat

London

28 April 2026

ICG-ML(1) 2026

9-12 June

Intersessional Correspondence Group on Marine Litter

Norway

Svolvær (

Lofoten)

ICG-COBAM(1) 202610-11 June 2026Intersessional Correspondence Group on Coordination of Biodiversity Monitoring and AssessmentOnline

[GG(x) 2026

To be confirmed

18 June 2026Governance GroupOnline]

OSPAR Commission

22-25 June 2026

OSPAR Commission

BelgiumOstend

29 May 2026

Bonn Agreement15-17 September 2026BONNSweden