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Tide Tables

bforbes
Posted 26/01/2022 - 22:22 Link
Does anyone know where to find Tide tables that go more than a month in advance, or is that not possible?
I'm after planning a trip to a set of rocks only exposed at low water. But the majority of tables seem to predict a week ahead, with the odd one doing a month.
JohnX
Posted 26/01/2022 - 22:35 - Helpful Comment Link
bforbes
Posted 26/01/2022 - 22:53 Link

Looks like you have to pay for the PDF to get past 7 days and that's for one location. Best so far
Edited by bforbes: 26/01/2022 - 22:55
kea828
Posted 27/01/2022 - 08:31 Link
I thought that the interval between tide times was constant. So if you have a set of times for a given place, you could use that data to extrapolate future dates.
Regards,
Kea828
bforbes
Posted 27/01/2022 - 09:10 Link
kea828 wrote:
I thought that the interval between tide times was constant. So if you have a set of times for a given place, you could use that data to extrapolate future dates.

Do they not take into account things like, time of year and moon phase, or is that more about the height of the tide.
DOIK
Posted 27/01/2022 - 09:20 - Helpful Comment Link
If you are planning to go to Cornwall LINK
Some anglers use the tables, try fishing gear shops in the area of interest

John
cardiffgareth
Posted 27/01/2022 - 09:44 Link
I use magic seaweed but don't know how far I'm advance they go. There's a way of working it out but damned if I know that sorry!
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Posted 27/01/2022 - 10:13 - Helpful Comment Link
The problem with tide tables is that the UK office responsible for tide data charges for use of their data beyond 7 days. There is other data freely available which I use for my website and I provide data for up to 12 month in advance for my location, it is only an approximation but good enough for use here to know roughly when high tide is as it is within a few minutes either way.

None of the tables can cope with weather changes, that can only be done very close to the date which is why things like tidal surges are not predicted with any accuracy more than a few days in advance.

Stuart
PeterKR
Posted 27/01/2022 - 11:02 - Helpful Comment Link
If you go to tidesforfishing you can select ANY month, give it a try :-

link

Good luck
Peter
bforbes
Posted 27/01/2022 - 11:10 Link
PeterKR wrote:
If you go to tidesforfishing you can select ANY month, give it a try :-

link

Good luck
Peter

Spot on. Thank you.
K10D
Posted 28/01/2022 - 09:43 Link
+1

A good site.

Best regards
Inspiration is rarer than a plate glass camera.....
Posted 28/01/2022 - 18:00 Link
I didn't know about this site, had a look. As bforbes says, spot on. Thank you.
Be well, stay safe, but most of all, invest in memories
kea828
Posted 29/01/2022 - 08:43 - Helpful Comment Link
bforbes wrote:
kea828 wrote:
I thought that the interval between tide times was constant. So if you have a set of times for a given place, you could use that data to extrapolate future dates.

Do they not take into account things like, time of year and moon phase, or is that more about the height of the tide.

As I'd thought, the interval between tides is approximately constant (~6 hr 10 min) and so can be estimate by extrapolation from earlier tables at the chosen site, although there are smaller variations for a few reasons. (See this.

If you just need to know what time to get to that location to set up your camera, then presumably extrapolation would be sufficiently accurate.

The phase of the moon only affects the height. (See this).
Regards,
Kea828
Edited by kea828: 29/01/2022 - 08:47
geordie01
Posted 29/01/2022 - 17:18 Link
I use port of blyth tide tables for local use or port of tyne as it has the tidal constants for ports around the country and both publish for the year,
tigershoot
Posted 30/01/2022 - 19:08 Link
Back in the early days of the internet (1999) we decided to visit Lindisfarne for the day. I told my folks that we could check online and we were amazed to quickly find out the times. It was all so easy! On heading onto the causeway, my brother remarked 'there're a lot of people leaving' but we thought nothing more of it. Once on the island we did the obligatory shots of the castle and enjoyed every moment as so few people were around.
On leaving we discovered the reason for the tranquility - the information on the net was just plain wrong! We made it off just in time.
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