Scientific Anglers Amplitude Smooth Grand Slam Saltwater Fly Line, WF9F
The Scientific Anglers Amplitude Smooth Grand Slam is a premium saltwater fly line designed for pursuing large flats species with heavy flies and long leaders. While optimized for tropical saltwater fishing, this overweighted 9-weight line excels for Great Lakes steelhead and salmon when you need powerful turnover for large streamers and intruders in windy conditions.
18 of 31 Alley rivers fishing well right now — 3 in excellent shape.
Common Questions
What kind of fishing is the Scientific Anglers Amplitude Smooth Grand Slam Saltwater Fly... used for?
Scientific Anglers's fly line is set up for spinners & spoons, and swinging flies targeting steelhead, salmon. Each technique has a dedicated guide on Steelhead Addiction with rigging walkthroughs and water-reading tips.
What fish species does the Scientific Anglers Amplitude Smooth Grand Slam Saltwater Fly... work for?
This fly line is curated for steelhead, salmon. The Steelhead Addiction species field guide has biology and Great Lakes-specific tactics for steelhead and the rest.
Where do I buy the Scientific Anglers Amplitude Smooth Grand Slam Saltwater Fly...?
This product is fulfilled by Amazon — currently $99.95. SteelHead Addiction does not handle inventory, payments, or shipping; Amazon does. We curate the gear and pair it with live conditions context. Click "Buy on Amazon" to complete the purchase.
Are conditions good for fishing the Steelhead Alley right now?
18 of 31 Alley rivers fishing well right now — 3 in excellent shape. Live updates for all 31 rivers run every 15 minutes — see the full dashboard on Steelhead Addiction.
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Key Specs
Features
- + Features the revolutionary AST Plus slickness additive for superior shooting ability and increased durability
- + The perfect line for bonefish, tarpon, and permit on the flats; also great for snook, redfish, and sea trout
- + Overweighted by .75 sizes to load rods quickly; use designated line weight for your rod
- + Short, powerful head turns over long leaders with heavy flies
- + Tropi-Core technology remains stiff and slick in tropical environments
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