Notices to Mariners
This page contains details of Notices to Mariners (NTM's) which may affect boating traffic.Â
Notices to Mariners
DEPLOYMENT OF FISH TRACKING EQUIPMENT Loch Ness - 31/03/2025 - 30/07/2025
Date Start: Â 31/03/2025 Time Start 09:00
Date Expires: 30/07/2025Time Expires 17:00
Up to 37 acoustic receivers will be deployed in Loch Ness to track fish from 31 March 2025. Receivers will be removed by 30 July 2025. Receivers will be deployed approximately 25 m below the water surface with no surface buoy.Â

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Equipment will be tested in Loch Ness during the week commencing 24 March 2025, by temporarily suspending receivers and tags over the side of a boat, away from the navigation channel.
Planned receiver mooring locations can be viewed in the linked pdf file. HERE
If any receivers are found, please retain and notify the following contact as soon as possible:
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David Lee
Project Manager
0782-335-4854
david.lee5@aecom.com
DEPLOYMENT OF MONITORING BUOYS Loch Ness - 14/04/2025 - 31/03/2026
Deployment of Monitoring Buoy Equipment
3 no. data buoys will be deployed in Loch Ness from 14th April 2025 as follows:
Station 2 | Figure 1 - Flashing light hazard warning (has met mast not shown in Figure 1 which is illustrative). | At least 12 months until the 31st March 2026 but this may be extended |
Station 2 | Figure 2 but yellow - Flashing light hazard warning and St Andrews topmark | Removed by 31st August 2025 |
Station 3 | Figure 2 but yellow - Flashing light hazard warning and St Andrews topmark. | Removed by 31st August 2025 |

Monitoring Station | Approx. NGR | Latitude | Longitude |
Station 2 | NH 480 208 | 57.252896 (57°15′10″N) | -4.5201936 (004°31′13″W) |
Station 3 | NH 419 129 | 57.180297 (57°10′49″N) | -4.6167512 (004°37′00″W) |
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Please note that:
1. The buoys carry sensitive monitoring instruments and must not be moored to.
2. If any equipment is found loose from these locations, please retain and notify the following
contact as soon as possible:
David Lee
Project Manager
0782-335-4854
david.lee5@aecom.com
DIVING WORKS Location: Ardrishaig Harbour - 18/11/2024 - 19/11/2024
Date Start: Â 18/11/2024 Time Start 09:00
Date Expires: 19/11/2024 Time Expires 17:00
DIVING WORKSÂ
Mariners are advised that dive works will be taking place in the harbour area from Monday 18th to Tuesday 19th of November.Â
During this time, markers will be visible in the area and the pontoon will not be available for arrival or departure of craft without permission from the harbour master.
Please contact ardrishaig.pier@scottishcanals.co.uk for further information.
Issued on behalf of Ardrishaig Harbour Master
ESSENTIAL MAINTENANCE Location: Corpach 10/02/2025 - 31/03/2025
Date Start: 10/02/2025Â
Date Expires: 31/03/2025
ESSENTIAL MAINTENANCE
Mariners are advised that due to essential maintenance works, Corpach Harbour will be closed from 10th February 2025 to 31st March 2025 (inclusive). Â
The nearby Thomas Telford Marina offers a range of services for vessels
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