DUNBARTON AND SETTER HALL MARINA – Standard Port 46°11’.15N 005°59’.01W
Northern Territories CHARTS RYA 3, 4.
Standard Port DUNBARTON ( ) DESCRIPTION. Dunbarton is a large commercial port with frequent movement of ore carriers and general cargo vessels. Shelter is good within the various sounds that lead to Dunbarton and Setter Hall Marina but be aware of gusts off the hills in strong westerlies. Excellent shelter within marina.
APPROACH WAYPOINT. 46°11’.23N 005°58’.04W.
PILOTAGE NOTES. Approaching from the E into Synka Sound: when rounding North Point or Huckle Head it is advised that Small Craft (<20m) use the R sector of Backness sectored light and the Al. WR sectors of Clarke Ness and Southerness lights if safe to do so. This route will keep vessels clear of large commercial traffic. Beware of the unlit Y outfall buoy off Amy Bay. Vessels using the channel between Swifta and South Falls should pick up the Al. WR sector of Clarke Ness light on entering Synka Sound and follow the pilotage guidance as above. At spring tides this channel may be subjected to disturbed water due to opposing tidal streams meeting mid-channel, creating a number of eddies; these should not present any problem for the average engined vessel. From the NW it is recommended that Small Craft navigate from ‘Bluff’ ECM [VQ (3)5s] crossing Rhu Channel at best speed (do not loiter at slow speed under sail) to ‘8A’ PHM.
Speed Limit: A 10kn speed limit is in force W of a line joining ‘Bluff’ ECM and No ‘6’ PHM. W of ‘NN’ SHM and ‘12A’ PHM the speed limit is 6kn.
TIDAL HEIGHTS AND STREAMS. Due to local high-water anomalies, the tidal curve for Dunbarton is based on low-water times. The tidal streams in Synka Sound can reach rates of up to 3kn at springs. Local overfalls occur off Huckle Head and North Point; sufficient distance off should be allowed for at spring tides or during adverse weather conditions.
LIGHTS AND MARKS. The channels of Synka Sound and Rhu are well marked by buoys and at night these are augmented by the three sets of sectored lights as well as the lighthouses on Huckle Head [Fl.R.5s25m8M] (R W chequered twr) and the [Iso.3s9m5M] ( B on post) beacon on Swifta. The numerous Martello towers, chimneys and beacons in the area may assist pilotage. Setter Hall Marina has F.R ldg lts (348°) (R W vert. stripe on pile). The breakwaters are marked with Q.R and Q.G lights.
VHF RADIO. Dunbarton Port Control Ch 12, 14, 16. All pleasure craft should monitor Ch 12 within the port limits. Setter Hall Marina Ch 80 c/s Setter Hall.
FACILITIES. Setter Hall Marina. P, D, CH, FW, Gas, Gaz, ME, El, BH (15 tonnes), SM. There is a ferry between Rhu and Northerness.
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