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Loch of Harray (Orkney Islands) — a popular fishing spot. About 9.9 km² in area. The town of Kirkwall is nearby. A smart bite calendar — moon phase, atmospheric pressure, and weather combined into an hourly fish-activity forecast for the coming days.
Nearest towns and cities
Other nearby waters
The shoreline is heavily indented — bays, points and spits. Look for pike at the mouths of the bays and on the drop-offs behind the points. The islands add structure: drop-offs around their perimeter and channels between them and the bank. The largest water around: all 19 neighbours are smaller.
The wind builds its wave along the north — south axis — 5 mi of open water; along north-east — south-west there is only 3 mi. When it runs down the main axis, the calm water sits against the bank it blows from, while the wave and the silt go to the far one — and the fish follow them there to feed.
Orkney Islands: the months when each species peaks and when it goes quiet. The current month is outlined. The bottom row counts the catches logged on this water in each month.
| Fish | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Perch | active | active |
Wednesday, October 21
Chum one spot near a drop-off and wait for fish to arrive — don't chase them.
ThunderstormThunderstorm possible: put the rod down and leave open shoreline at the first rumble.
Loch of Harray — Wednesday, October 21
The bite is weak — fish are sluggish. A thunderstorm is possible: activity rises before the front and drops after. Peak 11:00–13:00.
The computed water temperature is around 11 °C — colder than the 14–26 °C comfort range for Bleak: the fish conserves energy and takes more cautiously.
Bleak feeds by day — between sunrise and sunset; their times are in the sun-and-moon card above.
Pressure is dropping 8 hPa over the day — fish are usually more active ahead of a weather change.
One more input — the moon's feeding windows: within their hours the score sits higher than across the rest of the day. The window times are in the “Solunar feeding periods” card below.
October is a slow season for Bleak: the best months fall at another time of year.
These are the same values the bite curve above was computed from. How the forecast works
Drizzle · feels like +7°
The day is 5 min shorter than yesterday.
Sunshine hours count direct sun only — cloud cover cuts it, so it is shorter than daylight.
Geomagnetic fieldG1 geomagnetic storm, Kp 4.7
Kp index — NOAA data. Not part of the bite score: catches show no link between geomagnetic storms and the bite.
The windows are set by the moon's transit and rise, and the forecast above already accounts for them: within these hours the bite score sits higher than across the rest of the day, while the day's overall level still comes from the catch-calibrated model.
What are solunar periods?Blue check: this species appears as a catch in reports for this waterbody.
Chum one spot near a drop-off and wait for fish to arrive — don't chase them.
ThunderstormThunderstorm possible: put the rod down and leave open shoreline at the first rumble.
Loch of Harray — Wednesday, October 21
The bite is weak — fish are sluggish. A thunderstorm is possible: activity rises before the front and drops after. Peak 11:00–13:00.
| active |
| active |
| fair |
| active |
| active |
| active |
| active |
| active |
| peak |
| peak |
| Dace | fair | slow | fair | active | peak | peak | active | active | peak | peak | active | fair |
|---|
| Roach | active | active | peak | peak | peak | active | fair | fair | fair | fair | active | active |
|---|
| Ruffe | fair | slow | fair | active | peak | peak | active | active | peak | peak | active | fair |
|---|
| Whitefish | slow | slow | fair | active | peak | peak | active | active | peak | peak | active | fair |
|---|
| Bream | slow | slow | slow | active | peak | peak | peak | peak | peak | active | fair | slow |
|---|
| European eel | slow | slow | slow | fair | active | active | active | active | peak | peak | active | fair |
|---|
| Zander | active | fair | fair | fair | fair | fair | active | peak | peak | peak | peak | active |
|---|
| Pike | fair | fair | fair | fair | fair | fair | active | active | peak | peak | peak | active |
|---|
| Rainbow trout | slow | slow | slow | fair | peak | peak | active | active | active | active | slow | slow |
|---|
| Brown trout | slow | slow | slow | fair | peak | peak | peak | peak | active | fair | slow | slow |
|---|
| Chub | slow | slow | slow | fair | active | peak | peak | active | active | fair | slow | slow |
|---|
| Ide | slow | slow | slow | fair | active | peak | peak | active | active | fair | slow | slow |
|---|
| White bream | fair | fair | fair | active | peak | peak | peak | active | fair | slow | slow | fair |
|---|
| Bleak | slow | slow | fair | active | peak | peak | active | fair | fair | slow | slow | slow |
|---|
| Carp | slow | slow | slow | slow | fair | active | peak | peak | active | fair | slow | slow |
|---|
| Crucian carp | slow | slow | slow | fair | peak | peak | active | active | fair | fair | slow | slow |
|---|
| Rudd | slow | slow | slow | fair | active | peak | active | active | fair | slow | slow | slow |
|---|
| Tench | slow | slow | slow | slow | active | peak | active | active | fair | slow | slow | slow |
|---|
| Wels catfish | slow | slow | slow | slow | fair | active | peak | peak | active | fair | slow | slow |
|---|
| Catches here | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 |
|---|
BiteGuideFrom anglers’ reports
This is a summary of anglers' reports, not a proven cause of the bite: conditions lining up does not mean they drove it.
vertical axis — number of catches
| Value | Catches | Share |
|---|---|---|
| 11:00 | 4 | 15% |
| 12:00 | 4 | 15% |
| 13:00 | 3 | 11% |
| 14:00 | 6 | 22% |
| 15:00 | 4 | 15% |
| 16:00 | 3 | 11% |
| 17:00 | 2 | 7% |
| 18:00 | 1 | 4% |
Biting
Fish in 27 of 27 reports · Mostly Brown trout
Anglers have logged 27 fishing reports here. Most commonly caught: Brown trout. Peak season: July.