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Canadian Hydrographic Service (CHS) Data

Canadian Marine & Tides

Real-time coastal oceanography across Canada's Atlantic, Pacific, and Estuary waters. Explore semidiurnal tidal waveforms, high/low astronomical predictions, sea surface buoy temperatures, and ocean swell periods.

Canadian Hydrographic Service (CHS) Station

Hopewell Cape & Burntcoat Head (Bay of Fundy)

Bay of Fundy / Minas BasinNew Brunswick / Nova Scotia • Coordinates: 45.82°N, 64.57°W
Max Tidal Range
14.5 m
Extreme (Macrotidal)
Sea Surface Temp (SST)
13.8°C
56.8°F Surface Buoy
Wave & Swell Height
1.2 m
7s Dominant Period
Coastal Wind
18 kt
Bearing SW

Semidiurnal Tidal Water Level Curve

Relative to Chart Datum
13.8m (04:15 AM)0.8m (10:40 AM)14.2m (04:42 PM)0.6m (11:05 PM)
High Tide
04:15 AM
13.8m (45.3 ft)
Low Tide
10:40 AM
0.8m (2.6 ft)
High Tide
04:42 PM
14.2m (46.6 ft)
Low Tide
11:05 PM
0.6m (2 ft)

Navigational Advisory

Local Waters Warning

Rapid tidal bore advance. Walkers on the ocean floor must exit 3 hours before high tide.

Hydrographic Profile

Highest tidal resonance in the world with 160 billion tonnes of seawater flushing twice daily.

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Bay of Fundy Resonance

The Bay of Fundy’s natural oscillation period (~12.5 hours) matches the Atlantic ocean’s tidal pulse, creating acoustic-like standing wave resonance with world-record vertical shifts exceeding 16 meters.

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Pacific Swell Dynamics

Groundswells reaching Vancouver Island and Tofino are generated by deep North Pacific low-pressure systems thousands of miles offshore, compressing kinetic wave energy as water shallows over continental shelf breaks.

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Atlantic Advection Fog

Warm, moist tropical Atlantic air drifting northward over the cold southward-flowing Labrador Current rapidly condenses into dense marine sea fog blanketed across the Nova Scotia and Newfoundland coasts.