Summer Iron Fly

The Summer Iron Fly is a modern classic designed by Marty Howard specifically for summer steelhead fishing. This pattern combines the traditional look of a hairwing fly with materials that move well in the water. It is tied on a strong hook that holds up against aggressive fish. Anglers reach for this fly when targeting summer-run steelhead in rivers across the Pacific Northwest and Great Lakes. Its slim profile helps it sink quickly into the strike zone without being too heavy.

What It Imitates

This pattern does not copy a specific insect or baitfish. Instead, it acts as an attractor that triggers an aggressive response from steelhead. The movement of the materials and the contrast in colors annoy the fish or spark their curiosity. It relies on the predatory instinct of steelhead rather than hunger.

How To Use It

Fish this fly using a traditional wet fly swing. Cast slightly downstream and across the current. Keep a tight line and let the fly swing all the way across the river until it hangs directly below you. The strike often happens near the end of the swing when the fly rises in the water column. You can also use a riffling hitch to wake this fly on the surface if the fish are active.

When To Use It

This fly shines during the summer and early fall months. It works best in low to medium water levels where clarity is good. The darker colors like Black/Blue and Black/Green are excellent for early mornings, late evenings, or overcast days. The brighter options work well when the sun is high or when you need to grab the attention of a fish in faster water.

Why We Like It

We appreciate how this fly honors the history of steelhead fishing while using modern design improvements. The sparse hair wing sinks faster than bulky synthetic flies, which helps you get down to the fish without adding heavy split shot. It is durable enough to withstand multiple grabs and keeps its shape after hours of fishing.

Comparisons

Summer Iron Fly vs Green Butt Skunk:

The Green Butt Skunk is an older, traditional pattern that uses a chenille butt and calf tail wing. The Summer Iron Fly offers a slimmer profile and uses materials that flow better in the water. While the Green Butt Skunk is a proven standard, the Summer Iron Fly provides a more modern silhouette that sinks faster in the current.

Summer Iron Fly vs Hobo Spey:

The Hobo Spey is a larger intruder-style fly with a lot of movement and bulk. It is better for dirty water or winter conditions where a big profile is needed. The Summer Iron Fly is much smaller and more subtle. You should choose the Summer Iron Fly for clear water and spooky fish that might be scared off by the large size of a Hobo Spey.

Summer Iron Fly vs Purple Peril:

The Purple Peril is another classic hairwing fly that relies heavily on purple hackle and wings. The Summer Iron Fly comes in multiple color variations like Black/Blue and Orange/Black, giving you more options to match the light conditions. If you only want one color for all situations, the Purple Peril is a solid choice, but the Summer Iron Fly allows you to fine-tune your presentation based on the specific time of day.