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The Canadian Coast Guard and Atlantic Pilotage Authority will commence indefinite testing on April 25, 2018 of a synthetic predicted AIS aid to navigation in Halifax Harbour atop the current fixed aid at Ives Knoll, 44 37 39.56N 063 32 43.65W .

Information on AIS is provided in Notice to Mariners 819(T)/2016.
Mariners are requested to provide feedback on this AIS test bed to Halifax MCTS Centre.

Canadian Coast Guard and Atlantic Pilotage Authority will commence testing of synthetic predicted AIS aids to navigation in Saint John Harbour on April 25, 2018, broadcasting atop the:

1. Front range, 45 16 22.304N 066 04 07.570W (MMSI 993161085); and
2. Rear range, 45 16 35.302N 066 04 16.669W (MMSI 993161086)

Information on AIS is provided in Notice to Mariners 819(T)/2016.
Mariners are requested to provide feedback on this AIS test bed to Halifax MCTS Centre.

Pennecon wharves in approximate position 51 28.55N 056 55.2W have suffered armor stone washout with cribs remaining intact. Cribs sit approximately 160 meters from shore line.

Caution.

A scientific buoy, 1.5 metres in diameter, with a 1.5 metre tower and yellow flashing light, accompanied by two 60-centimetre marking anchors, have been placed in Lord's Cove in an area delinated by the following approximate positions:

- 46 52.04N 055 39.46W
- 46 51.98N 055 39.46W

The two anchors, marked with four yellow buoys, placed in December 2016, have been removed from the water.

Caution.

A 26 foot (7.9 meters) sailboat with white hull and green stripes aground on the southwest side of Goat Island. Caution.

A 2017 sounding survey of Dalhousie channel was conducted by Public Works & Government Services Canada. It was compared to Canadian Hydrographic chart 4426. The following differences were found:

Replace 23 feet (7 metres) with 19 feet (5.8 metres) at 48 04 28.2 N 66 21 58.8 W

Note that depths are referenced to CHS chart datum, and horizontal positions are based on NAD83.

Duncan Reef light buoy H1 - LL 512.5 temporarily equipped with AIS. MMSI 993161044. Mariners are encouraged to submit their comments to Halifax Coast Guard Radio, or Halifax Traffic.

Shallower depths located at:

58 19.71813N 068 13.76828W, minus 2.1 metres, 0.36 NM at a bearing of 352 degrees from Cape Nuvukallak

58 19.14676N 068 14.51747W, 6.4 metres, 0.50 NM at a bearing of 242 degrees from Cape Nuvukallak

58 18.76387N 068 14.65492W, 6.4 metres, 0.80 NM at a bearing of 220 degrees from Cape Nuvukallak

58 18.16670N 068 15.03221W, minus 0.5 metres, 1.46 NM at a bearing of 002 degrees from the light on Hendry Island.

58 18.00214N 068 15.21007W, 1.4 metres, 1.28 NM at a bearing of 358 degrees from the light on Hendry Island

Caution.

Shallower depths located at: 

58 15.82508N 068 16.97683W, 8.9 metres.

58 15.81245N 068 16.87077W, 11.7 metres.                         

58 15.80941N 068 16.71415W, 6.3 metres.                                       

58 15.70442N 068 16.72965W, 2.7 meters.                                  

58 15.67221N 068 16.64831W, 13.3 metres.                                       

58 15.66330N 068 16.46333W, 21.7 metres.                                    

58 15.57130N 068 16.59097W, 1.6 metres.                                      

58 15.55355N 068 16.44800W, 12.8 metres.                                       

58 15.44666N 068 16.38819W, 1.82 metres.                                       

58 15.42350N 068 16.21051W, 14.4 metres.                                      

58 15.40741N 068 16.30736W, 2.7 metres.                                      

58 15.35176N 068 16.01072W, 10.4 metres.                                       

58 15.34882N 068 16.28581W, 1.0 metres.                                       

58 15.33395N 068 16.10665W, 6.1 metres.                                       

58 15.31729N 068 16.20320W, 2.6 metres.                              

Caution.

Shallower depths located at:

58 31.80306N 068 08.74960W, 7.9 metres. 0.55 NM, bearing 245 degrees from Anchor Island.

58 31.03842N 068 10.05395W, 8.3 metres, between Point Nuvukutaaq and Camp Illualuttalik.

58 31.02319N 068 10.15851W, 10.1 metres, between Point Nuvukutaaq and Camp Illualuttalik.

58 30.87485N 068 10.28248W, 9.5 metres, between Point Nuvukutaaq and Camp Illualuttalik.

58 30.77388N 068 10.38381W, 10.8 metres, between Point Nuvukutaaq and Camp Illualuttalik.

Caution.

Subsurface mooring established at 73 54.07N 129 21.23W at a depth of 697 meters. Top float 60 meters below surface.

Scientific subsurface mooring placed at:

68 27.649N 113 23.326 W, depth 45 metres. Top float of mooring extends 5 metres above the sea floor.

06 / 1843UTC Wave measuring buoy 1 meter in diameter and equipped with an amber flashing light reported out of position in 43 55.85N 063 06.81W. Caution.

Unmarked floating rope and tangled aquaculture gear has been reported in St John's bay, Thwart Island in position 49 18.62N 055 08.35W.

Caution.

Small boat reported partially submerged at Hunter River in apprx. Position 46 25.68N 063 19.94W.

A sounding survey of Fox Dens gully was completed by Public Works and Government Services Canada on August 10, 2017.

The Fox Dens gully buoyed channel has a limiting depth of 0.5 metres between psn 47 53 07.3N 64 29 45.0W and 47 53 07.3N 64 30 12.5W. Mariners should navigate with extreme caution in this area.

Note that the limiting depth is below CHS chart datum and horizontal positions are based on NAD83.

Subsea scientific moorings have been deployed in the following positions:

46 36.91 N 057 08.92 W at a depth of 40 metres,

46 41.10 N 057 14.60 W at a depth of 60 metres,

46 41.98 N 057 16.02 W at a depth of 80 metres.

Caution.

Multiple chart discrepancies identified in the Slate Islands. Mariners are requested to use caution in the area.

Scientific subsurface mooring placed at 70 40.865N 126 52.280W, at a depth of 304 metres. The top float of this mooring extends 12 metres above the sea floor. Caution.

Due to high water levels, lights established on the Goderich breakwalls. Three lights have been installed across the North breakwall, and four across the South. Lights are visible 1.5 metres above the surface and characteristics yellow flash.

The Canadian Coast Guard and Atlantic Pilotage Authority will commence indefinite testing on April 25, 2018 of a synthetic predicted AIS aid to navigation in Halifax Harbour atop the current fixed aid at Ives Knoll, 44 37 39.56N 063 32 43.65W .

Information on AIS is provided in Notice to Mariners 819(T)/2016.
Mariners are requested to provide feedback on this AIS test bed to Halifax MCTS Centre.

Canadian Coast Guard and Atlantic Pilotage Authority will commence testing of synthetic predicted AIS aids to navigation in Saint John Harbour on April 25, 2018, broadcasting atop the:

1. Front range, 45 16 22.304N 066 04 07.570W (MMSI 993161085); and
2. Rear range, 45 16 35.302N 066 04 16.669W (MMSI 993161086)

Information on AIS is provided in Notice to Mariners 819(T)/2016.
Mariners are requested to provide feedback on this AIS test bed to Halifax MCTS Centre.

Pennecon wharves in approximate position 51 28.55N 056 55.2W have suffered armor stone washout with cribs remaining intact. Cribs sit approximately 160 meters from shore line.

Caution.

A scientific buoy, 1.5 metres in diameter, with a 1.5 metre tower and yellow flashing light, accompanied by two 60-centimetre marking anchors, have been placed in Lord's Cove in an area delinated by the following approximate positions:

- 46 52.04N 055 39.46W
- 46 51.98N 055 39.46W

The two anchors, marked with four yellow buoys, placed in December 2016, have been removed from the water.

Caution.

A 26 foot (7.9 meters) sailboat with white hull and green stripes aground on the southwest side of Goat Island. Caution.

A 2017 sounding survey of Dalhousie channel was conducted by Public Works & Government Services Canada. It was compared to Canadian Hydrographic chart 4426. The following differences were found:

Replace 23 feet (7 metres) with 19 feet (5.8 metres) at 48 04 28.2 N 66 21 58.8 W

Note that depths are referenced to CHS chart datum, and horizontal positions are based on NAD83.

Duncan Reef light buoy H1 - LL 512.5 temporarily equipped with AIS. MMSI 993161044. Mariners are encouraged to submit their comments to Halifax Coast Guard Radio, or Halifax Traffic.

Shallower depths located at:

58 19.71813N 068 13.76828W, minus 2.1 metres, 0.36 NM at a bearing of 352 degrees from Cape Nuvukallak

58 19.14676N 068 14.51747W, 6.4 metres, 0.50 NM at a bearing of 242 degrees from Cape Nuvukallak

58 18.76387N 068 14.65492W, 6.4 metres, 0.80 NM at a bearing of 220 degrees from Cape Nuvukallak

58 18.16670N 068 15.03221W, minus 0.5 metres, 1.46 NM at a bearing of 002 degrees from the light on Hendry Island.

58 18.00214N 068 15.21007W, 1.4 metres, 1.28 NM at a bearing of 358 degrees from the light on Hendry Island

Caution.

Shallower depths located at: 

58 15.82508N 068 16.97683W, 8.9 metres.

58 15.81245N 068 16.87077W, 11.7 metres.                         

58 15.80941N 068 16.71415W, 6.3 metres.                                       

58 15.70442N 068 16.72965W, 2.7 meters.                                  

58 15.67221N 068 16.64831W, 13.3 metres.                                       

58 15.66330N 068 16.46333W, 21.7 metres.                                    

58 15.57130N 068 16.59097W, 1.6 metres.                                      

58 15.55355N 068 16.44800W, 12.8 metres.                                       

58 15.44666N 068 16.38819W, 1.82 metres.                                       

58 15.42350N 068 16.21051W, 14.4 metres.                                      

58 15.40741N 068 16.30736W, 2.7 metres.                                      

58 15.35176N 068 16.01072W, 10.4 metres.                                       

58 15.34882N 068 16.28581W, 1.0 metres.                                       

58 15.33395N 068 16.10665W, 6.1 metres.                                       

58 15.31729N 068 16.20320W, 2.6 metres.                              

Caution.

Shallower depths located at:

58 31.80306N 068 08.74960W, 7.9 metres. 0.55 NM, bearing 245 degrees from Anchor Island.

58 31.03842N 068 10.05395W, 8.3 metres, between Point Nuvukutaaq and Camp Illualuttalik.

58 31.02319N 068 10.15851W, 10.1 metres, between Point Nuvukutaaq and Camp Illualuttalik.

58 30.87485N 068 10.28248W, 9.5 metres, between Point Nuvukutaaq and Camp Illualuttalik.

58 30.77388N 068 10.38381W, 10.8 metres, between Point Nuvukutaaq and Camp Illualuttalik.

Caution.

Subsurface mooring established at 73 54.07N 129 21.23W at a depth of 697 meters. Top float 60 meters below surface.

Scientific subsurface mooring placed at:

68 27.649N 113 23.326 W, depth 45 metres. Top float of mooring extends 5 metres above the sea floor.

06 / 1843UTC Wave measuring buoy 1 meter in diameter and equipped with an amber flashing light reported out of position in 43 55.85N 063 06.81W. Caution.

Unmarked floating rope and tangled aquaculture gear has been reported in St John's bay, Thwart Island in position 49 18.62N 055 08.35W.

Caution.

Small boat reported partially submerged at Hunter River in apprx. Position 46 25.68N 063 19.94W.

A sounding survey of Fox Dens gully was completed by Public Works and Government Services Canada on August 10, 2017.

The Fox Dens gully buoyed channel has a limiting depth of 0.5 metres between psn 47 53 07.3N 64 29 45.0W and 47 53 07.3N 64 30 12.5W. Mariners should navigate with extreme caution in this area.

Note that the limiting depth is below CHS chart datum and horizontal positions are based on NAD83.

Subsea scientific moorings have been deployed in the following positions:

46 36.91 N 057 08.92 W at a depth of 40 metres,

46 41.10 N 057 14.60 W at a depth of 60 metres,

46 41.98 N 057 16.02 W at a depth of 80 metres.

Caution.

Multiple chart discrepancies identified in the Slate Islands. Mariners are requested to use caution in the area.

Scientific subsurface mooring placed at 70 40.865N 126 52.280W, at a depth of 304 metres. The top float of this mooring extends 12 metres above the sea floor. Caution.

Due to high water levels, lights established on the Goderich breakwalls. Three lights have been installed across the North breakwall, and four across the South. Lights are visible 1.5 metres above the surface and characteristics yellow flash.