Stillwater · Mixed · Southwest Finland / Baltic Coast

Archipelago Sea System (Sea-Trout)

Archipelago Sea System (Sea-Trout) terrain map
Fair · Sea Trout
Silver Dabbler · 10-12
Fairlive now
Good drifting conditions on Archipelago Sea System (Sea-Trout)
Good wave on — drift country. Cover the water thoroughly and be patient.
53% confidence
What moved it
  • WindS 12 km/hLight breeze
Today's fly
Silver Dabbler
Silver Dabbler10-12
On open water the wave and wind lane matter as much as the pattern. Watch where the light catches the surface, drift the likely ground, and keep the bob fly working. The take on a lough comes from anywhere — stay ready.
Conditions on the water
Live gauge
Wind
Light breeze
S 12 km/h
N
S
from the south
Wave20 cm ripple
Water temp
Air temp19°C
CloudOvercast
Pressure1014 hPa
Rain · recent0.0 mm

Some readings unavailable — check directly before fishing.

How to fish it · for Sea Trout
When
August–September
Where
Set up a broadside drift and cover the water systematically. Work a bushy searching pattern on the bob and drop a contrasting nymph on the point. Keep a sedge-style dry or emerger on a short leader for the evening rise.
The plan
Plan A

Set up a broadside drift and cover the water systematically. Work a bushy searching pattern on the bob and drop a contrasting nymph on the point. Keep a sedge-style dry or emerger on a short leader for the evening rise.

Plan B

If the main plan is not working, switch to a smaller, more imitative pattern fished slower and deeper. A change of drift angle can also make a difference.

Watch for

Evening tends to be the best period in summer — stay late if you can for a sedge or spinner fall.

Boat — drift

A gentle ripple is ideal for drifting — broadside drift covering the wind lanes should be productive.

Sub-surface · on the nymphunder the surface

Hatch predictions

Top nymph shown — see all 3 guilds with Pro.

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Beyond the hatch · worth watchingambient prey

Hatch predictions

Top prey shown — see all 5 with Pro.

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Through the year
0–3 scale · August highlighted
J
F
M
A
M
J
J
A
S
O
N
D
Trout seasonSeason
1
2
2
2
1
Black MidgeHatch
2
3
3
3
3
3
3
3
3
3
3
2
Daddy Long LegsHatch
2
3
2
Lake OliveHatch
1
2
2
2
2
2
1
Silverhorns & LonghornsHatch
1
2
2
2
1

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

Ranked for today
Sea Trout fly box
Permits & access
Permit required — see local rules.
  • Calendar permit + sea-trout /coastal permit.
What's coming
Plan ahead
5-day outlook
Condition match
91%
Cloud70%
Wind100%
Temp100%

Conditions are ideal for Archipelago Sea System (Sea-Trout) — wind, cloud and temperature all line up.

Why this score
  • Wind conditions (ripple) closely match what this water fishes best in.
  • Temperature (moderate) is in the sweet spot for summer fishing.
Directions
Seasons & zones
  • Trout 1 June31 October

Sea trout: Variable seasonal (2026) — Baltic sea trout (Salmo trutta trutta) enter coastal rivers of the Finnish Archipelago Sea from the Baltic. Stocks have suffered from historical overfishing, Baltic ecosystem changes, and dam obstruction. Finland protects wild sea trout through adipose-fin identification — wild (intact adipose) fish are catch-and-release; adipose-clipped hatchery fish may be retained. Sea trout are present and fishable but stocks are monitored and condition-dependent.

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