Evening seams on the Test & Itchen
On the River Test at Stockbridge, sewin line the evening seams when mayfly dim the light.
Three visible signals
The first sign is a subtle lift: a sewin or brown trout barely breaking the surface, snout or scales catching the low sun as it eats emergers. Second, spent spinners fall and drift in the seam, suddenly the main target. Third, activity spikes at the mouths of weed‑gutters where the differential flow pins emergers in place for easy grabs.
Delivery matters. Rig an olive nymph on a #14 hook or a snipe‑and‑purple spider two feet above the sighted fish and let it swing. Skues's method is about a slow, clean arc; allow acceleration at the end of the swing to mimic a hatch lift‑off rather than twitching the line.
If dries go cold, employ a controlled lift on the rod tip to induce the take. The fish will execute a deliberate turn and close on the fly at 0–2 cm under the skin of the water. Carry polarized glasses and a compression net on the bank; hooks #14–#16, gold‑ribbed hare's ear and pheasant tail patterns cover most pre‑hatch and emergent profiles.
Skues's hour in spring and early summer—from mid‑April to the end of July—turns seams into short, furious windows. A long swing, a measured lift and the right size olive nymph often finish before light fully drops, the fly swallowed as dusk folds across the chalk stream.
Recommended: Polarized fishing sunglasses