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|Low Water||High Water|
|04:48 (0.9m)||10:51 (3.8m)|
|16:59 (0.6m)||23:15 (3.7m)|
|Time to low||6:15|
|Tide height over CD|
|Mean Spring Curve||Mean Neap Curve||Intervening Period|
Small tidal stream inaccuracies can develop when advancing beyond HW Dover +6. Because of this we only enable today's tidal stream chartlets to advance 24 hours. Future tidal planning is best accomplished by using Ballywalter's future tides predictor below.
The above image represents the current tidal streams offshore of this haven. Streams attaining three knots and above are highlighted by red arrows . All times are in local time with red text indicating springs, blue indicating neaps and gray between tidal events. Click [+] to advance the estimate by an hour and click [-] to step back. Future tidal planning is best accomplished by using Ballywalter's future tides predictor below.
Do you need more information on the tidal graphics?
Arrows represent the direction of tidal streams with lighter or shorter arrows indicating weaker streams. Stronger streams are indicated by heavier or longer arrows, and as mentioned above, red arrows flagging rates of 3 knots and above. Numerals represent [mean neap, mean spring] rates in tenths of a knot. For example the numbers 12,23 would indicate a mean neap of 1.2 knots and a mean spring of 2.3 knots.
More local tidal detailsToday's Donaghadee tides — High waters: 10:51, 23:15, Low waters: 04:48, 16:59
Today's Dover tides — High waters: 10:28, 22:43, Low waters: 05:24, 17:48
We are now on Springs.
High Water: as Dover, Belfast +15 minutes Get Dover
MHWS 4.7m MHWN 0.6m MLWN 3.9m MLWS 1.4m
Tidal planning for vessels departing Belfast Lough is essential. Vessels approaching from the north will encounter tides that run hard through the sounds in and between the Copeland Island Group and the mainland. Those approaching close outside the Copelands Group will encounter races with overfalls as they close in on the islands. At the eastern tip of Mew Island the ‘Ram Race’ initiates and extends 1.5 miles south-by-southeast on the flood and up to 1.75 miles north-by-northwest on the ebb.
From Dover HW +0455 to -0115 (Belfast HW +0510 to -0100) the tide floods southeast. Donaghadee Sound’s spring streams can, in places, reach up to 4.5 knots in both directions making a favourable tide transit a prerequisite for most leisure craft. Streams largely follow the direction of the channel but it should be noted heavy tide rips in a big seaway may cause overfalls to occur across the southeast end of Donaghadee Sound.
Copeland Sound tides are not as strong but still attain rates of up to 2.5 knots with Spring tides. This is not the preferred channel owing to the two challenging and unmarked rocky shoals called ‘Platters’ and ‘Ninaen Bushes’, the latter with less than a metre of cover situated out half a mile off from the north-east point of Copeland Island. Eddies are very strong elsewhere all around the islands group.
Outside the islands the tides turn about one hour later. On the south going flood a vast eddy forms to the south of Mew Island. This circles back on itself in the five miles area between the entrance to Donaghadee Sound and Ballyferis Point. Hence the streams off Donaghadee Harbour are 1.5 kn rotary in a clockwise direction on the flood. However when this vast circular eddy of water courses around to collide with the flood tide, to the south-southeast of Mew, the ill-famed Ram Race shows its true colours. Thus the area is at its worst after the recirculation on the second half of the flood circa HW Dover -0230 to +0015 or about local HW (HW Belfast -0215 to +0030 or about local HW). Likewise the north-northwest race occurs on the latter half of the ebb from HW Dover +0330 to +0630 (HW Belfast +0345 to +0615 or about local LW).
Expect a spring rate of about 2.5 knots off Skullmartin Rock and 1.5 knots along the coast from Burr Point to Ballyquintin Point.
This tool can be used to estimate future costal tidal streams for this area. All that is required are two simple steps:
Step 1: What is the Dover High Water for the target date?
Use a current Dover Tide Table to find Dover High Water for the target date. The National Oceanography Centre offers online tidal predictions for up to 28 days from today. Click here to open their tide table for Dover
Step 2: Input the target date's Dover High Water
Taking a mean tidal offset from Dover's tide, we expect your targetted date's associated local tide at to be:
High waters: Low waters:
Data based on an average tide is only accurate to within one hour, if you more precise times are required use the ISA tidal predictions, with Donaghadee offset -01:00.
For planning purposes only, not for navigation. Please see our terms and conditions.
Headline: Dry, bright and warm on Saturday.
This Evening and Tonight: A bright evening with some sunshine, then clear sells overnight will allow some mist or fog patches to form in rural parts, whilst low cloud feeds in across the north. Minimum Temperature 7C.
Saturday: Any mist or fog patches will soon clear during the morning, then bright for most parts with some warm sunshine. Low cloud towards the north coast should clear by midday. Maximum Temperature 21C.
Outlook for Sunday to Tuesday: High pressure will maintain settled weather with some warm sunshine for most parts. Chance of an isolated shower. Cool overnight with some mist or fog patches.
Click [+] to advance by twelve hours and click [-] to step back. The forecasted time is presented in the top left hand corner of the pressure chart. Click the image to display it in a full window.
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Belfast Maritime Rescue Co-ordination Centre (MRCC). Operational Area: Northern Ireland/ Irish Republic Border, Lough Foyle to Northern/Irish Republic Border Carlingford Lough. Belfast Coastguard (MRSC) VHF Ch 16, liaises closely with IRCG. Emergencies are worked on 16, 67 and working channel. Alternatively, or if ashore, phone 999 and 112 and ask for ‘Marine Rescue’. Police, Fire and Rescue are also available on this number. Belfast (MRSC) may be contacted directly on +44 2891 463 933.
Other useful contacts in this area:
Ballywalter does not have a Harbour master.
Try Belfast Harbour Radio on VHF Ch 12 / 16 P: +44 2890 553504
Portavogie Harbour Master VHF Channel 14 P: +44 28 4277 1470 M: +44 77 1207 4609
British Admiralty 2156 ‘Strangford Lough’, scale of 37,500:1 that includes ‘Portavogie’, at a scale of 5000:1 British Admiralty 1753 ‘Belfast Lough and Approaches’, scale of 37,500:1, including ‘Donaghadee Sound’ scale of 15,000:1 and ‘Bangor Bay’ scale of 17,500:1. Admiralty Leisure Folio SC5612 'Northern Ireland, Carlingford Lough to Lough Foyle' SC5612.9 Sheet A 'Portavogie to Ballywalter'. Imray chart C62 – ‘Irish Sea’ plus Discovery Ordinance Survey map 15 (Belfast - scale of 1:50 000) and Map 21: Strangford Lough also cover this area.
Please note eOceanic makes no guarantee of the validity of this information. Whilst every effort has been made to use valid source data and ensure calculations are correct, no warranty is made. All tidal predictions are approximations and differences used to calculate times and heights at secondary ports are based on stated averages that reduce precision. This information is provided as a guide only and is not to be used for navigation. For navigation please refer to published tidal tables. Actual height and time of tides are affected by barometric pressure and other weather effects. Any data provided on this page is entirely used at your own risk and you must read our legal page if you view data on this site.