Spate · Mixed · Nova Scotia (Eastern Shore)

St. Mary's River

St. Mary's River terrain map
Poor · Atlantic Salmon
Green Highlander · sizes 2 8
Poorlive now
Not the day for it
River temperature is the limiting factor today, not the flow. This is not the day to push it. Check the thermal advice above before you head out.
90% confidence
What moved it
  • Level2.27 mLast reading 18h ago
  • Water temp21.2°C
  • ClarityClear
Today's fly
Green Highlander
Green Highlandersizes 2 8
Eastern Shore Nova Scotia salmon system — Green Highlander is the regional benchmark for fresh water and good clarity.
Conditions on the water
Live gauge
Level
Steady
2.27 m
Last reading 18h ago
Water temp21.2°C
ClarityClear
Weather21°C
WindSW 11 km/h
Pressure1009 hPa
Rain · recent0.2 mm
Rain · ahead2.5 mm

The nearest gauge doesn't record temperatures, so we've estimated it — defer to the river keeper's advice.

Water temperature for Atlantic Salmon
Warm — slow
21°C est.ideal 10–14°C
0°14°28°
How to fish it · for Atlantic Salmon
When
Morning into early afternoon.
Where
Pool tails, steadier runs, and any water with pace.
Method
Fish a sensible line-and-fly combination for the height and pace of water.
Kit
13 ft #8/9 double-hander in spate, 10 ft #8 single in low water. Floating line plus a fast-sink tip. 12–15 lb fluoro tippet.
Why this works
Water at 21.2°C. This is the line where catch-and-release kills atlantic salmon. Do not fish for them today.
Hatch timeline · todayPeak at 7am

Hatch predictions

Today's headline hatch shown — see all 5 active hatches hour by hour with Pro.

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Sub-surface · on the nymphunder the surface

Hatch predictions

See the full sub-surface read with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 2 with Pro.

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Evidence
ModelledModerate confidence

Modelled from regional ecology — no survey or occurrence data for this water yet.

Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Salmon runRun
1
2
2
2
1
Trout seasonSeason
1
2
2
2
2
2
1
Early Black StoneflyHatch
2
3
2
Eastern Golden StoneHatch
2
2
Slate Drake / IsonychiaHatch
2
3
3
3
3
2
Yellow SallyHatch
2
3
2

Numbers are intensity 0 (none) to 3 (peak) — a guide, not a guarantee.

Ranked for today
Atlantic Salmon fly box
Permits & access
Permit required — see local rules.
  • NS salmon licence
  • Conservation catch-and-release strongly emphasized.
What's coming
Plan ahead
5-day outlook
Water here around 21°C. Nothing cooler within range — carry a thermometer.
The full read · show the working · for Atlantic Salmon · confidence 90%
How the river scores — hydrology factors
Water heightMedium Ideal0.0
Recent riseNone0.0
Falling after liftNot Applicable0.0
Water temperatureCool To Moderate0.0
Time in seasonOpening Period0.0
ClarityClearing0.0
Hydrology base0.0
Legal gate: Unknown Check Local Rules
Can you trust it?
Water temperatureair-to-water estimateestimated
Level / flowon-river gaugeobserved
Directions
Apple MapsGoogle Maps
Seasons & zones
  • Salmon 15 June → 15 October
  • Trout 1 April → 31 October
  • Brook trout 1 April → 30 September

    Nova Scotia brook trout (speckled trout) general season April 1 – September 30. This is primarily an Atlantic salmon river — brook trout are present throughout, especially in smaller tributaries and upper reaches. NS Angling Licence required. Check the current NS Anglers' Digest for management unit-specific dates and limits.

Related guides
Atlantic Salmonsalmon tacticsEuro Nymphingsubsurface methods
Casting instructors near here
Booking & contacts