| * | February 2026 | The January 2026 Edition of Monthly Notices to Mariners and Cumulative List Of South African Notices To Mariners 2026 are now available. |
Navigation Messages Currently in Force.
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Summary |
Complete Set of Messages |
Last updated on |
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|
06/03/2026 |
NB. This information is only updated
during
office
hours 0730 -1600 Mon - Fri.
2026 Series
013 Indian Ocean - SW Sector - Offshore Capo Delgado - MEZ Established.
014 Indian Ocean - SW Sector - Port of Maputo - Buoy Missing.
016 South Atlantic Ocean - NE Sector - Namibia - Wet Stow.
038 AFMET ZSJ off the air.
045 South Atlantic Ocean - NE Sector - Angola - Seismic Survey.
064 Namibia - Offshore Oranjemund - Sampling Operations.
067 South Atlantic Ocean - NE Sector - Rig List.
068 South Atlantic Ocean - NE Sector - Namibia - Towing.
069 Messages in Force.
070 South Atlantic Ocean - NE Sector - Towing.
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|
06/03/2026 |
NB: This information is only updated during office hours 0730 -1600 Mon - Fri.
2026 Series
004 West Coast - Saldanha Bay - VHF off the Air.
018 West Coast - Offshore Lamberts Bay - Mooring Deployed.
019 South Coast - Offshore Port of Port Elizabeth - Buoy Deployed.
020 East Coast - Offshore Durban - Diving Operations.
021 South Coast - Algoa Bay - Buoys Deployed.
023 Namibia - Offshore Orange River Mouth - Wet Stow.
051 Southwest Coast - Offshore Cape Town - Buoy Deployed.
052 AFMET ZSJ off the air.
061 South Coast - Offshore Cape St Francis - Vessel Sunk .
074 East Coast - Durban - VHF and HF Sites out of Service.
110 South Coast - Offshore Cape St Blaize -Vessel Sunk.
116 Namibia - Offshore Oranjemund - Sampling Operations.
119 Namibia - Offshore Oranjemund - Towing.
120 East Coast - Offshore East London - Towing.
121 West Coast - Offshore Cape Columbine - Towing.
122 Southwest Coast - Offshore Slangkop Point - Towing.
123 Southwest Coast to East Coast - Cape Point to Ponta Do Ouro - Weather.
124 Message in Force.
Reporting of Navigational Hazards
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Changes observed at Sea by Mariners navigating beyond Harbours Reporting Form.
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Changes observed by Mariners concerning Ports and Harbours Reporting Form.
Tide Tables for South Africa and Namibia
The South African Tide Tables may not be reproduced without written permission, as it is copyrighted to the South African National Hydrographer, SA Navy.
This page allows you to select the current month's tidal information for any of the tidal ports listed. Please select a port from the drop-down list provided on the map below. Please ensure your pop-up blocker is deactivated to allow the file to open.
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© This information is copyrighted to The Hydrographer, SA Navy. All information produced by the SA Navy Hydrographic Office is a product and is subject to the Copyright Act, 1978 (Act No. 98 of 1978, as amended up to Copyright Amendment Act 2002), the Hydrographic Bill of 2019, the South African Spatial Data Infrastructure Act, 2003 (Act No. 54 of 2003) the Policy on Pricing of Spatial Information Products and Services (2015) and the Promotion of Access to Information Act, 2000.
Tide Theory (pdf 847.36 KB)
Heights of Chart Datum Relative to Land Levelling Datum in South Africa and Namibia
|
Port |
Up to |
1 Jan 1997 to 31 Dec 1997 |
1 Jan 1998 to 31 Dec 2002 |
1 Jan 2003 |
| Walvis Bay | -0.913 | -0.900 | -0.966 | -0.966 |
| Lüderitz | -0.865* | -0.900 | -0.935 | -1.055 |
| Port Nolloth | -0.718* | -0.900 | -1.075 | -0.925 |
| Saldanha | -0.582 | -0.900 | -0.975 | -0.865 |
| Cape Town | -0.829 | -0.900 | -0.975 | -0.825 |
| Simon's Town | -0.651 | -0.900 | -1.003 | -0.843 |
| Hermanus | -0.619 | -0.900 | -0.978 | -0.788 |
| Mossel Bay | -0.761 | -0.900 | -1.163 | -0.933 |
| Knysna | -0.625 | -0.900 | -1.048 | -0.788 |
| Port Elizabeth | -0.838 | -0.900 | -1.026 | -0.836 |
| East London | -0.762 | -0.900 | -1.006 | -0.716 |
| Durban | -0.838 | -0.900 | -1.113 | -0.913 |
| Richards Bay | -0.900 | -0.900 | -1.205 | -1.015 |
* In use until 1 January 1994