Tidal flow on chart

TNT 15th December 2020 @ 19:30 HOURS ~ Talking Tidal Flow – John Leahy

Hi ,

Firstly welcome to our next Tuesday Night Talk (TNT!) The TNT’s commence 06th October 2020 over the autumn and winter. Please log in early to check your connection and chat with like minded friends, new and old alike. Please remember that John will open Zoom at 19:00 hrs for member chat and audio tests. The talks will commence at the new time of 19:30hrs

John Leahy
Hon Sec., CAI
email honsec@cruising.ie

Please see the link below to our member meeting to which all fully paid up members are invited. 

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We look forward to seeing you there.

John Leahy
Hon Sec CAI


This talk begins in........


John Leaky

Capt Leahy in cockpit seat

"Talking tidal flow!"

An entertaining evening  by John Leahy. Learn the intricacies of tidal flow and how you utilise them to ‘speed your journey’

John Leahy will take up where Charlie Kavanagh left off. Charlie explained the effect of tidal heights on the level of water in the seas around us. John will then take up the story of where the tidal currents arise and how they can reach speeds 10 its and more , while nearby there may be no tidal stream at all. The Menai Straits, a favourite cruising ground will be featured as a case study in understanding the massive effect tidal streams can have on our navigation and even survival.

  • Cause of tidal streams
  • Spring /Neap effects
  • How to find the data related to streams
  • How to plot a course to counteract the stream
  • How to know when not to counteract the stream! It can seriously ruin your day!
  • Effect of tidal streams with wind against tide
  • A case study. Dublin to Holyhead
  • A brief look at the Menai

Photographic competition - closing date 31st December 2020

Categories – Nature – Action – Social

We are looking for photographs for 2020 and separately for previous years in the above categories. Entries must have been taken by the entrant. Please indicate the following when you are making your entries. What year the picture was taken. The category The title of your entry Your name The following prizes will be awarded by the judges at the end of January 2021. If sufficient entries are received in each of the categories both historical and year 2020 we will have a first and second prize in each category consisting of a voucher to the value of €50 first prize and a voucher to the value of €25 second prize. The quality of the image is important to allow the judges to make a fair assessment of your entry so please ensure your image is not less than 72dpi. Please email your entry to : competitions@cruising.ie 

Sailing Logs competition - closing date 31st December 2020

Cruising log competition closing date is 31st December 2020 We are accepting entries in two categories for 2020 and previous years. Please ensure you indicate what year your entry is for. The log can be technical including all nautical details or a general log of the trip including social activities ashore or a mix of both. The general idea is to make it readable and interesting. The judges will make their decision by the end of January. A first prize of a Û50 voucher will be awarded for best log entry in both a categories. Entries should be emailed to : competitions@cruising.ie