May 2018.

Jersey Met now provide useful 48 hour detailed wind and wave predictions

April 2018.

Since 2016, zyGrib has not been updated and there appears to be user needs for continuing development of this software. Jacques Zaninetti has done a excellent job on bringing this amazing application to where it is today. For details and downloads go the the OpenGribs site/ The zyGrib pages on this site will be amended in due course.

September 2017 UK VHF changes

From mid-morning on Wednesday 6 September 2017 the Coastguard will no longer broadcast on VHF 23, 84 and 86. It will instead use VHF 62, 63 and 64. The use of VHF Channel 10 for MSI and pollution control (back up) is unchanged. For details see the RYA page on VHF channels.

News and Topical items


New page on this topic – see Ensembles


The page “Unofficial' Weather Stations'' has been updated to take the Weather Observations Website into account.

The Jetstream

In view of the topical interest in the jet stream, the Netweather Jet Stream page is worth looking at.

Recently revised pages


See the major revision to What is the future of the GMDSS?


The page GRIB Apps has been updated

Latest additional pages

A new page about the CAPE lightning risk index.

A threat to Internet services highlights the threat to the availability of GMDSS forecasts on the web.

Hurricane terminology

When is a hurricane not a hurricane?

Frank's Logs

Cruising Association

Hallberg Rassy Owners Association

Royal Yachting Association

Royal Cruising Club

Royal Meteorological Society

Links to home pages of CA members.