Moreton Bay Marine Park Brisbane

Photo: Queensland Government.

Zoning Plan remake and review

The remade Marine Parks (Moreton Bay) Zoning Plan 2019 came into effect on 1 September 2019.

Understanding Queensland coastal waters in relation to the Moreton Bay Marine Park

Queensland Coastal Waters is a stretch of water for which Queensland has jurisdictional powers. The limit of Queensland Coastal Waters is defined by a line three nautical miles seaward of the territorial sea baseline.

In Australia the territorial sea baseline is a line from which maritime limits, including coastal waters, are calculated. The baseline may be represented by following the low water mark or by following gazetted 'straight' lines—which are straight baselines, river closing lines and bay closing lines. The co-ordinates that define these straight baselines were recently comprehensively reviewed in consultation with state/territory mapping and legal agencies. They were subsequently re-gazetted in February 2006 under the Seas and Submerged Lands Act 1973. Refer to Seas and Submerged Lands (Territorial Sea Baseline) Proclamation 2006 for a full list of these co-ordinates.

In the region of Moreton Bay Marine Park, the territorial sea baseline consists of a number of gazetted straight lines because of the fringe of islands and emergent features (e.g. Flat Rock) in the vicinity of the coastline.

In particular, the baseline does not follow the low water mark on the eastern side of Moreton Island, but follows a gazetted straight line that extends from Cape Moreton to Flat Rock (refer to Figure 1). As a result the coastal waters offshore from Moreton Island extend to almost nine nautical miles from the shore at the widest part.

Moreton Bay Marine Park
Figure 1. Moreton Bay Marine Park in
relation to Queensland coastal waters.
(Click for larger version) 

Flinders Reef is another feature that forms part of the baseline because of its proximity to Moreton Island and because the top of the reef is exposed at low tide. Its inclusion in the territorial sea baseline means that Queensland Coastal Waters extend in a three nautical mile radius from the north-western to the south-eastern side of the reef (Figure 1).

The current zoning plan for the Moreton Bay Marine Park came into effect in 2019, and is a remake of the zoning plan that came into effect in 2009. The zoning plan was remade in 2019 with no changes to zones, designated areas or entry and use provisions.

More detailed information on Australian maritime boundaries can be found on the Geoscience Australia website. Geoscience Australia is the Commonwealth Government agency responsible for coordinating the delineation of Australia's maritime boundaries according to the United Nations Convention on the Law of the Sea and other relevant domestic legislation, including the Coastal Waters (State Powers) Act 1980.

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