• +
  Today's Tides for Portmellon


Tidal data as of Friday, December 6th at 14:14 local time. Refresh to current time
Low Water	High Water
02:09 (1.3m)	08:22 (4.7m)
14:42 (1.3m)	20:52 (4.4m)
We are now on Neaps

Tidal conditions now
Now Falling
Time to low	0:27
Total fall	3.4m


Rule of Twelfths estimates
Remaining fall
Tide height over CD
See using the 'Rule of Twelfths'



Mean Spring Curve

Mean Neap Curve

Intervening Period


Please use tidal harmonic predictions with a sensible margin of safety. The effect of air pressure on tidal height can be substantial. Tide tables assume a standard pressure of 1013 hectoPascal (hPa). One hPa, or millibar, variation from that will change the sea level by one centimetre. Mean sea levels may also be raised or lowered by strong winds depending upon the topographical features of the area.


Tidal Hour:

(Manual calculation)
(Dover)




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 Portmellon's future tides predictor below.


© Crown Copyright and/or database rights. Reproduced by permission of the Controller of Her Majest's Stationery Office and the UK Hydrographic Office (www.GOV.uk/UKHO). Not to be used for Navigation

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 Portmellon'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 details
Today's Par tides — High waters: 08:22, 20:52, Low waters: 02:09, 14:42
Today's Dover tides — High waters: 01:33, 13:55, Low waters: 08:58, 21:14
We are now on Neaps.
MHWS 5.5m MHWN 4.4m MLWN 2.2m MLWS 0.8m
HW Dover -0600


X

Calculate future tides

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

Hour: -- 000102030405060708091011121314151617181920212223 Minute: -- 0001020304050607080910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758

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 Par offset -01:00.



Tidal Hour:

()


For planning purposes only, not for navigation. Please see our terms and conditions.




• +
  Portmellon's Future Tides






For planning purposes only, not for navigation. Please see our terms and conditions.






• +
  Weather for Portmellon



Today's overview
°C °C	°C °C	°C °C	°C °C	°C °C
The above wind speeds are expressed in the Beaufort scale. Red indicates strong winds of 6 or higher.


Headline: Storm Darrgah to bring wet and windy conditions.

Today: A chilly but dry start to the day with hazy sunshine and lighter winds. Turning increasingly wet and windy as Storm Darragh arrives through the afternoon, with wind particularly impactful on coastal regions. Maximum Temperature 12C.

Tonight: Outbreaks of rain, heavy at times will move east overnight, as winds continue to strengthen with gales and later severe gales develop, near coasts as Storm Darragh arrives. Mild Minimum Temperature 7C.

Saturday: Very unsettled throughout the day with some heavy rain and very strong winds, especially along the coasts. Maximum Temperature 10C.

Outlook for Sunday to Tuesday: Turning colder on Sunday with sunny spells and the odd shower. Monday and Tuesday will be drier and brighter as high pressure builds.








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.

Contains public sector information licensed under the Open Government Licence
Get today's Met Office Video Forecast




• +
  Advanced Haven Search

You are three steps from finding what you're looking for

Set your current location	Set the maximum distance you are prepared to travel	Check off what you want



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We've assumed your desired starting location is "Portmellon, Cornwall". Change location.
There are three ways to locate the start point of your search more information.
If it is a listed location, or there is a listed location nearby, simply select the county and haven to determine the search origin. Alternatively if you have a chart, plotter or GPS input the position in decimal degrees. Finally if you are there right now your computer may be able to automatically locate its current position via auto-locate.
There are three ways to get started; base your search from one of our listed locations, input a position, or let us try to automatically detect your current location.
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The described position in step one will centre a search and the range sets the radius of a circular search area. All suitable targets, in all directions, within the direct point-to-point or aerial transit path of the range will be presented. Because the search is based on this charted distance in most cases the actual sailing passages will require extra mileage to circumvent navigational obstacles.
Find havens within Select range 5 nautical miles10 nautical miles15 nautical miles20 nautical miles25 nautical miles30 nautical miles35 nautical miles40 nautical miles45 nautical miles50 nautical miles of my location.



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Specific shelter


Describe the sectors you want sheltered, where you expect the wind to blow from. You may manually input each by checking the compass points or auto-fill by checking the required days on this location's five day weather forecast, more information.
You may also use a combination of both manual and forecast auto-fill to add additional sectors. Please note that the forecast auto-fill adds one compass point on either side of the forecast to allow for variability. The grey segments in the compass rose provide a visual summary of the shelter construct.





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Please note that forecast auto-fill adds one compass point on either side of the forecast to allow for variability.


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You may refine your search to specify a minimum level of protection, more information.
Quality of shelter is characterised from one to five stars and are described below. All levels are selected by default and you can set what is appropriate by checking the minimum star rating level. If you do not set a minimum level all havens that cover the requested quadrants will be presented irrespective of the quality of the shelter provided.
Specifying the minimum level of protection is important as this may vary significantly depending upon what it is needed for and the prevailing conditions. For instance, if conditions are moderate and it is simply needed for a lunch stop, most all locations from one star will be suitable. When looking for a location to stay overnight in comfort it would be more appropriate to select a three star minimum. Or when seeking shelter in rough conditions a minimum of four stars would be best. All of these depend upon what you are personally comfortable with, plus the capabilities of the vessel and crew.


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		Complete protection; all-round shelter in all reasonable conditions.
		Good; assured night's sleep except from specific quarters.
		Tolerable; in suitable conditions a vessel may be left unwatched and an overnight stay.
		Exposed; unattended vessels should be watched from the shore and a comfortable overnight stay is unlikely.
		Stay-aboard; lunch stop or tide-wait exposed or tenacious holding location where a vessel should not be left unattended.


Ease of access


You may refine your search to the set how easy seaward access is to the resources, more information.
Approaches to the shelter are also characterised from one to five stars. All access levels are selected by default and the minimum level of access complexity may be chosen by clicking the appropriate minimum star rating.
This minimum level of access complexity may vary significantly depending upon the time available, the vessel and skill levels of the crew plus the prevailing conditions. For instance, if conditions are moderate, plus time and experience are plentiful, the one star minimum could be the most suitable option for the adventurous sailor. If conditions are more developed, but the visibility is good, a three star minimum could be the best fit. Or when seeking shelter in heavy weather conditions a four stars access minimum may be best. All of these depend upon what you are personally comfortable with, plus the capabilities of the vessel and crew.


Check the minimum
ease of access

		Safe access; all reasonable conditions.
		Straightforward; when unaffected by weather from difficult quadrants or tidal consideration, no overly complex dangers.
		Attentive navigation; daylight access with dangers that need attention.
		Careful navigation; good visibility and conditions with dangers that require careful navigation.
		Highly involved navigation; complex dangers that require arduous navigation, good visibility and settled conditions.



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If you wish to refine your selection to only represent locations that can support a minimum LWS draught input the minimum here, more information.


We tend to highlight the medium draught of a Haven and the search will focus on this. Deeper and shallower water may be available on closer inspection of the text.


Minimum draught required: MetresFeet


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If you wish to restrict your results to a specific type of location, or several alternative types of location, check them here. Otherwise all location types will be presented in your results.


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Flag physical restrictions


If you wish to flag locations that have the following specific physical restrictions click on the listed icon or icons below.


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Tidal


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DANGER: potential trap


Sill
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If you wish to flag locations that have the following listed complications click on their icon or icons below.


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If you wish to restrict your results to locations with a specific type of facility, or several alternative types of facility, click the icons below.


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Cycle hire


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Dry out and scrub


Nice beach






When you're ready press or press Restart to clear and start anew








• +
  Contacts and Emergency for Portmellon


• • VHF Channel 16 call sign [Solent Coastguard]
• • Alternatively, where a good phone signal exists, dial 999 and ask for the coastguard.
• • If at sea, use the Global Maritime Distress and Safety System (GMDSS) to make a distress or urgency alert.

The National Maritime Operations Centre (NMOC) based at Fareham handles all operations in the area from Sussex, Hampshire, Isle of Wight, Dorset and Devon. They also assist other authorities such as the Police, Fire and Ambulance with their specialist expertise. The centre is manned 24x7 and has helicopters, based at rescue bases at Portland or Lee-On-Solent, at their disposal. Ch.67 can be used for routine communications and the National Maritime Operations Centre can be contacted directly on +44 23 8032 9486 for administrative enquiries only. Fowey station has an all-weather Trent class lifeboat and an inshore D class lifeboat.

Phone 999 when it is a Police emergency, such as when a crime is in progress, someone suspected of a crime is nearby, when there is a danger to life or when violence is being used or threatened. Phone 101, the police non-emergency number, when it's less urgent than a 999 call.

Matthew Wheeler - Harbour Master
The Harbour Office,
Gurnards Quay,
Mevagissey,
Cornwall,
PL26 6QU

Ch. 16/14 [Mevagissey Harbour Radio] | +44 1726 843305 | +44 7486 471931 | www.mevagisseyharbour.co.uk | Meva.harbour@talk21.com



• +
  Local Navigation Resources

Admiralty SC5602 'The West Country, Falmouth to Teignmouth', 31 'Harbours on the South Coast of Cornwall' Scale 1:6250 with Fowey Harbour Scale 1:15000, River Fowey - Mixtow to St. Winnow: St. Winnow to Lostwithiel Scale 1:5000, Charlestown Harbour Scale 1:7500 Par Harbour. 148 'Dodman Point to Looe Bay' 1:30,000, 1267 'Falmouth to Plymouth', 442 'Lizard Point to Berry Head' scale: 1:150000. 2655 'English Channel - Western Entrance' scale: 1:325000.

Imray Chart C10 'Western English Channel' & C6 'Salcombe to Lizard Point'. 2400 'West Country Chart Pack - River Dart to the Isles of Scilly and Padstow' scale: 1:180000. Stanford 13. OS 202

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.