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Fishing Grass Water: what the data says
33-acre lake near Shetland Islands. The lake tops out around 6 ft. Contours on this water are modeled from its actual shoreline and max depth. Good for finding likely water, never for navigation. What follows comes from the same scoring engine that paints the spots above.
On the chart, Grass Water draws 33 acres inside 1.9 miles of shoreline. That shoreline is heavily fingered (development index 2.4) — bays, points and pockets everywhere, which multiplies the fishable edge. The whole water is littoral — nothing here runs deeper than ~15 ft, so it's all weed-and-bait territory.
Brown Trout fishing at Grass Water
Come spring, look for brown trout tight to the bank in 1 to 6 ft. The depth story barely changes: 2 to 6 ft through summer, 1 to 6 ft in winter. If you only fish one area, make it Deep basin: a deep basin around 5 ft that scores prime in summer. Best bite is after dark and early morning. A spoon at the thermocline or a deep stickbait (night) is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 1 to 6 ft | dawn & dusk | Main-lake point (6 ft) | Stickbait off planer boards (shallow), Small spoon along mud lines |
| Summer | 2 to 6 ft | night & dawn | Deep basin (5 ft) | Spoon at the thermocline, Deep stickbait (night) |
| Fall | 1 to 6 ft | dusk & dawn | Main-lake point (6 ft) | Jerkbait over gravel, Casting spoon |
| Winter | 1 to 6 ft | dawn | Deep basin (5 ft) | Jigging spoon, Small stickbait (slow) |
European Perch fishing at Grass Water
The spring pattern is a shallow one: european perch in 2 to 6 ft. Summer fish stay in 2 to 6 ft, and winter fish hold in 2 to 6 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for european perch in spring. Plan around early morning in the warm months. Summer baits: a drop-shot micro plastics or a small crankbait (perch pattern) gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 6 ft | midday & dawn | Shallow bay flat (3 ft) | Small jig + curly tail, Inline spinner #1-2 |
| Summer | 2 to 6 ft | dawn | Deep basin (5 ft) | Drop-shot micro plastics, Small crankbait (perch pattern) |
| Fall | 2 to 6 ft | midday | Deep basin (5 ft) | Jigging spoon (small), Drop-shot on deep flats |
| Winter | 2 to 6 ft | midday & dawn | Deep basin (5 ft) | Tungsten jig + maggots, Small balance jig |
Northern Pike fishing at Grass Water
Start shallow in spring: northern pike sit in 2 to 6 ft that time of year. There's no big seasonal slide here — summer means 2 to 6 ft, winter 2 to 6 ft. The spot to know is Shallow bay flat, a weed flat in about 3 ft of water that rates prime for northern pike in spring. Warm-month bites cluster around early morning and the evening. Throw a bucktail or a weedless spoon over cabbage until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 6 ft | midday & dawn | Shallow bay flat (3 ft) | #5 inline spinner, Spoon (red/white) |
| Summer | 2 to 6 ft | dawn & dusk | Shallow bay flat (3 ft) | Bucktail, Weedless spoon over cabbage |
| Fall | 2 to 6 ft | midday & dawn | Shallow bay flat (3 ft) | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 2 to 6 ft | midday | Shallow bay flat (3 ft) | Tip-ups, Large jigging spoon |
Notable structure
- Main-lake point: point, around 6 ft
- Secondary point: point, around 6 ft
- Deep basin: deep basin, around 5 ft
- Shallow bay flat: weed flat, around 3 ft
- Back-bay flat: weed flat, around 3 ft
Common questions
How deep is Grass Water?
Grass Water is about 6 ft (2 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
What fish are in Grass Water?
Anglers target northern pike, european perch, brown trout on Grass Water. This isn't a survey of the water — none is published for it — but an informed estimate from the species common to the region, narrowed by this water's depth, size and each species' range.
Where is the best fishing spot on Grass Water?
Shallow bay flat is the top-rated area: a weed flat in about 3 ft of water that rates prime for european perch in spring. The map above holds the full rated-spot list for every species and season.
When is the best time to fish Grass Water?
For brown trout, the summer bite is best in after dark and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Upper Loch of Brouster 2 mi · Loch of Collaster 2 mi · Clings Water 2 mi · Loch of North-house 3 mi · Burga Water 3 mi · Loch of Vaara 3 mi · Loch of Clousta 3 mi · Lochs of Hostigates 4 mi · Loch of Aithsness 4 mi · Loch of Girlsta 9 mi · Loch of Tingwall 11 mi · Loch of Asta 11 mi
See how Grass Water stacks up: best northern pike lakes in United Kingdom · best european perch lakes in United Kingdom · best brown trout lakes in United Kingdom
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