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Fly Line WT Grain Chart

Fly Line WT Grain Chart

Here is a fly line wt chart that shows you the average grains of weight in the first 30 ft (or head of your line).

Number Designation

Standard Weight

Margin For Error


1-Weight


60

54-66

2-Weight

80


74-86

3-Weight

100

Recommended


94-106

4-Weight

120

114-126

5-Weight

140

134-146

6-Weight

160

152-168

7-Weight

185

177-193

8-Weight

210

202-218

9-Weight

240

230-250

10-Weight

280

270-290

11-Weight

330

318-342

12-Weight

380

368-392

13-Weight

450

 

14-Weight

500

 

15-Weight

550

 

A good friend of mine Capt Dave Chouinard showed me this chart and it is a great example of how much there is to learn about fly lines.

Understanding how the grains of wt differ from line to line can help you balance your favorite rod with your favorite line and do some damage in the salt.

Pay attention to the length of the head and how many grains of wt are in the head of your favorite salt water line. Knowing this will help you chose other lines in the future that will load your rod similar. This helps take some of the guessing out of whether or not certain lines will cast well on your favorite rod.

Fly Line

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