Lough Sheelin Intelligence Report
This intelligence report for Lough Sheelin, Co. Cavan / Meath / Westmeath is built from analysis of 313 Inland Fisheries Ireland (IFI) reports spanning 15 seasons (2011–2025). Every data point — from hatch timing to catch rates — is drawn directly from official field reports, giving anglers an evidence-based picture of how Lough Sheelin fishes across the year.
September stands out as the peak month with a 55% positive report rate across 42 reports. A SW wind is the most productive direction based on the data.
Key hatches on Lough Sheelin include Sedge (peaks June), Buzzer (peaks April), Mayfly (peaks May), Olives (peaks April). The hatch timeline section below shows exactly when each hatch typically begins and peaks, based on first-mention dates across 15 seasons of IFI data.
The most mentioned flies across all seasons are Sooty Olive, Klinkhammer, Green Peter, Stimulator, Silver Invicta. The full report breaks these down by month, showing which patterns dominate at each stage of the season.
Lough Sheelin — 15 years of fishing report data, distilled
Every IFI report mentioning Lough Sheelin from 2011–2025 — catch data, conditions, hatches, methods, and areas. Patterns that would take a lifetime on the water to learn.
Key findings
The headline patterns that emerge from 15 years of data.
SW wind produces the best fishing
53% of SW wind reports are positive (53 reports) vs 27% on a SE wind.
May delivers the highest catch rates
Average 2.5 fish per rod — the most productive month in the dataset, backed by 70 reports across 15 seasons.
10-12°C is the sweet spot
54% positive reports at 10-12°C air temperature (50 reports). Fishing drops to 35% positive at 8-10°C.
Best reported catch: 5 fish per boat
5 fish from 1 boat on May 21, 2014
What the data tells us about conditions
Historical weather cross-referenced with report sentiment across 15 seasons. Based on actual Open-Meteo records, not just what correspondents described.
Hatch timeline
When key hatches are mentioned in reports. Peak months shown in teal. Based on first and last mentions each season across the dataset.
Top flies by period
Patterns named most frequently in positive reports. Ranked by mention count across 15 seasons.
Month-by-month fishing calendar
What to expect each month. Quality rating and catch data reflect 15 seasons of IFI reports. FlyArea
*Catch rates derived from reports where specific numbers were mentioned — not all reports include them. A minimum of 5 reports with catch data is required for a month or season to show a value; “—” means insufficient data, not no fish. Competition catch rates are per boat and tend lower because events run on fixed dates regardless of conditions.
Season-by-season comparison
Each season rated by sentiment analysis across all reports. Sentiment bars show the proportion of excellent, good, moderate, and poor reports.
| Season | Reports | Catch/Rod | Comp/Boat | Sentiment | First Mayfly | Best Month |
|---|---|---|---|---|---|---|
| 2025 | 21 | — | 1.6 | April 28 | April | |
| 2024 | 11 | 1.1 | — | May 28 | March | |
| 2023 | 17 | — | 0.4 | May 5 | May | |
| 2022 | 18 | — | — | May 2 | April | |
| 2021COVID | 3 | — | — | May 26 | May | |
| 2020COVID | 24 | — | 2.6 | May 5 | May | |
| 2019 | 10 | — | — | May 20 | September | |
| 2018 | 19 | — | 0.8 | May 7 | August | |
| 2017 | 25 | — | — | May 15 | August | |
| 2016 | 31 | — | 0.8 | May 8 | May | |
| 2015 | 33 | 2 | 0.5 | May 4 | July | |
| 2014 | 31 | — | 0.4 | April 28 | May | |
| 2013 | 33 | 1.8 | 0.6 | May 16 | June | |
| 2012 | 33 | — | 0.1 | April 15 | May | |
| 2011 | 4 | — | — | — | September |
Catch/Rod requires 5+ reports with explicit catch numbers for that season. Comp/Boat requires 1+ competition with boat and fish counts. “—” indicates insufficient data, not absence of fish.
Competition catch rates
Average fish per boat from organised competitions — the most reliable catch data, since boat counts are always recorded. Based on 18 competitions across 9 seasons.
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Voices from the water
Quotes extracted from IFI reports that capture the essence of fishing on Lough Sheelin.
brown trout fishing at its best
beautiful wild brown trout of 5.79lbs
incredible mayfly fishing on Sheelin