Rhode Island Fly Fishing Hatch Chart

Interactive fly fishing hatch chart for Rhode Island. See which mayflies, caddisflies, stoneflies, and midges are hatching each month and get fly pattern recommendations. Based on 10 years of scientific observation data (2015–2024).

Using the Rhode Island hatch chart

This statewide chart compares when aquatic insect observations have been recorded in Rhode Island. Select a month to compare the share of annual mayfly, caddisfly, stonefly, and midge observations, then review fly patterns commonly used to imitate those insect groups.

Our Rhode Island hatch chart is built from 10 years of scientific observation data (2015–2024), covering the major aquatic insect orders: Ephemeroptera (mayflies), Trichoptera (caddisflies), Plecoptera (stoneflies), and Diptera (midges). Use it to plan your fishing trips around the most productive emergence windows of the season. Actual timing varies with elevation, latitude, water temperature, and seasonal weather, so confirm current activity with local reports and on-water observation.

Check current Rhode Island river flows and gauge conditions.