Inshore Waters forecast

The inshore waters forecast issued by the Met Office, on behalf of the Maritime and Coastguard Agency for coastal areas up to 12 miles offshore.

From Wednesday, 16 January 2019 0600 UTC until Thursday, 17 January 2019 0600 UTC

General situation at 0500 UTC on Wednesday, 16 January 2019
An area of low pressure near the northern isles will move away eastwards this morning as a cold front sweeps southeastwards across the country. A strong, cold northerly flow will follow this front until later on Thursday when a transient ridge of high pressure will move in from the west.

Selsey Bill to Lyme Regis


24 hour forecast: Wind: Southwest veering west, then northwest later, 5 to 7. Sea state: Moderate, occasionally rough. Weather: Occasional rain then showers. Visibility: Good, occasionally moderate at first.
Outlook for the following 24 hours: Wind: Northwest 5 to 7, becoming variable 3 or 4 later. Sea state: Slight or moderate, occasionally rough at first offshore. Weather: Showers at first. Visibility: Good.

Tides: area South, port Portsmouth (UTC)


High 0632 4.0 Low 1202 1.8 High 1900 3.8

Rule of twelfths, highlight is >= 2.3m

Avg Range is 2.07
06324.00W.Fl  12021.80E.Fl  19003.80W.Fl
07323.82W.Sl  13021.97E.Fl  20003.63W.Sl
08323.45W.Eb  14022.30E.Fl  21003.30W.Eb
09322.90W.Eb  15022.80E.Fl  22002.80W.Eb
10322.35W.Eb  16023.30E.Fl  23002.30W.Eb
11321.98W.Eb  17023.63W.Fl  00001.97W.Eb
12321.80E.Fl  18023.80W.Fl  01001.80E.Fl