Langstone Harbour is a large tidal Bay lying between Portsmouth to the West and Hayling Island to the East. It is a "Internationally Important Wetland" , and wildlife flourishes in the extensive somewhat desolate mudflats and navigable channels. It is approached through a narrow entrance through which the tide can ebb at a surprising rate.

There are some deepwater moorings available, as well as a marina. Anchorage is possible, but only with the Harbourmasters permission. ... read more

Langstone is safe to enter in moderate conditions but for first timers it is probably best to avoid going in on an ebb tide, especially springs. Onshore winds combined with Spring ebb tides can kick up rough, and the entrance shouldn't be attempted at all in southerly or south-easterly gales.

Approach is made between two shingle banks, Western Winner to the West and the far more extensive East Winner to the East. Pilotage details for the approach to Langstone are now given:

Depths in the approach range from 1.2 m at LAT upwards, so consultations with the tide tables will be required. ... read more

Once  through the narrow entrance there are a couple of mooring opportunities for the visiting yachtsman or motorboater.  Southsea Marina is just within on your port side.  This is covered shortly, with current prices.  Yacht club moorings (with permission),  and anchorage (with permission)  complete the picture here.  These options are now covered:

There is a strict 10 kn speed limit within the harbour, other than in the designated waterskiing area. ... read more