ISORA - Promoting the sport of Offshore Racing in the Irish Sea
Since 1972
The Association is run by volunteers for the benefit of competitors by working in partnership with boat owners, crew, yacht and sailing clubs, other associations and the governing bodies for boating in Ireland, Wales and the UK.
About ISORA - Racing
ISORA provides offshore racing in the Irish Sea and two separate Coastal Series - in Ireland and UK
Offshore RacingCoastal RacesSaturday 28th August 2021
Pwllheli Coastal RaceRace
This race is Race No. 13 in the Musto ISORA 2021 series and the 3rd race in the ISORA “Plas Heli Coastal Series” . So many races within the same race!13
AMENDMENT 1.
Start Time for Race 13 CW
The start on Saturday 28th August is 1000hrs
AMENDMENT 2.
The Course Saturday 28th August is as follows:
Start (PSC Bridge as defined in the SIs)
PSC 10 (S)
Tom Buoy (S)
Pwllheli Fairway (P)
PSC 3 (P)
Tom Buoy (P)
Finish (Plas Heli line as defined in the SIs)
AMENDMENT 3.
Shorten Course for Race 13 CW
At 1500hrs BST all yachts that have not finished must record their GPS position at that time and supply it to the Race Committee.
This will be used to calculate the distance made good along the rhumb-line. Should a yacht not be exactly on the rhumb-line at 1500, the rhumb-line distance will be established by taking a line from the yacht’s position to the rhumb-line and at right angles to the rhumb-line.
The yacht’s distance made good along the rhumb-line will be divided by the elapsed time of the race to give the Actual Average Speed.
For a yacht not finishing by 15000 hrs, the rhumb-line distance from the start to the finish will be divided by the yacht's elapsed time for the entire course to give the Actual Average Speed.
The Actual Average Speed, however derived, will be divided by the yacht’s IRC number to give the Corrected Average Speed.
The Supplemental Instructions is now published - see below:
The Course will be published here:
Start (PSC Bridge as defined in the SIs)
to be confirmed
Finish (Plas Heli line as defined in the SIs)
The course will be announced on Thursday before the race.
We recommend that anyone interested in this race should subscribe to the ISORA and CHPSC newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to
Sunday 29th August 2021
Pwllheli Coastal RaceRace
This race is Race No. 14 in the Musto ISORA 2021 series and the 4th and last race in the ISORA “Plas Heli Coastal Series” . So many races within the same race!
AMENDMENT 1.
Start Time for Race 14 CW
The start on Sunday 29th August is 1100hrs
AMENDMENT 2.
The Course Saturday 28th August is as follows:
Start (PSC Bridge as defined in the SIs)
PSC 1(P)
Tom Buoy (S)
PSC 3(S)
Pwllheli Fairway (S)
Tom Buoy (P)
PSC 10 (P)
Finish (Plas Heli line as defined in the SIs)
AMENDMENT 3.
Shorten Course for Race 13 CW
At 1600hrs BST all yachts that have not finished must record their GPS position at that time and supply it to the Race Committee.
This will be used to calculate the distance made good along the rhumb-line. Should a yacht not be exactly on the rhumb-line at 1600, the rhumb-line distance will be established by taking a line from the yacht’s position to the rhumb-line and at right angles to the rhumb-line.
The yacht’s distance made good along the rhumb-line will be divided by the elapsed time of the race to give the Actual Average Speed.
For a yacht not finishing by 1600 hrs, the rhumb-line distance from the start to the finish will be divided by the yacht's elapsed time for the entire course to give the Actual Average Speed.
The Actual Average Speed, however derived, will be divided by the yacht’s IRC number to give the Corrected Average Speed.
The Supplemental Instructions is now published - see below:
The Course will be published here:
Start (PSC Bridge as defined in the SIs)
to be confirmed
Finish (Plas Heli line as defined in the SIs)
The course will be announced on Thursday before the race.
We recommend that anyone interested in this race should subscribe to the ISORA and CHPSC newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to
Saturday 1st May 2021
Pwllheli Bay Race - 35m
The Course will be published here:
Start (PSC Bridge as defined in the SIs)
PSC 1 (port)
St Tudwals (including carreg y trai) (port)
Causeway (port)
Finish (Plas Heli line as defined in the SIs)
Please note additional change's to SSI's as follows :
13.1 we will not be using YB trackers for this race.
15.7 please note finish time as per and supply this to Stephen Tudor if requested .
14.1 Course shortening - if the leading boat fails to pass St Tudwal's West lighthouse (bearing 090 degrees) by 11:35 BST then the course will be shortened to miss out Causeway and route direct to finish. This will be called on CH17 by the leading boat if applicable
Note:
1. The St Tudwals island Mark includes carreg y trai.
2. Plas Heli finish line is defined in 15.1 this is not the normal club finish line
Have a great race and listen on channel 17 for any course revisions
Warning signal 10:00 BST
The Race Supplemental Sailing Instructions (SSIs) is published below
This race is Race No. 1 in the ISORA 2021 series, the 1st race of the ISORA “Welsh Coastal Series” and is also a CHPSC Coastal Race”
We recommend that anyone interested in this race should subscribe to the ISORA and CHPSC newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to
Saturday 15th May 2021
Pwllheli Bay Race - 35m
Amendment to SSIs for Race No. 3 Coastal Wales (CW)
1. The warning Singnal is changed from 11.15hrs to 12.15hrs - this amends the Race 03 CW SSIs
2. Notifications on Trackers in SSIs 13.3 and 13.6 should now be by the WhatsApp Group messaging (WhatsApp - ISORA -UK Series)
The Course is now published as follows:
Start (PSC Bridge
PSC 2 (p)
Gwylan Islands (p)
Causeway (p)
Finish (Plas Heli line as defined in the SIs)
14th May 2021 at 09.00hrs
The Race Supplemental Sailing Instructions SSIs is published below:
Download a printable copy here
The course will be announced on before the race .
This race is Race No. 1 in the ISORA 2021 series, the 1st race of the ISORA “Welsh Coastal Series” and is also a CHPSC Coastal Race”
We recommend that anyone interested in this race should subscribe to the ISORA and CHPSC newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to
Race 10 CI - 10th July 2021
This race is Race No. 10 in the Musto ISORA 2021 series and the 2nd race of the ISORA “Viking Marine Coastal Series” So many races within the same race!
The Supplemental Sailing Instructions is now published below :
We recommend that anyone interested in this race should subscribe to the ISORA e-newsletters (priority racing) so that you will receive the latest racing information.
If you need help with anything whatsoever please reply to
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