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traveling offshore

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edward

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If you were to travel offshore from Charleston,SC to Southport,NC how far off the shoreline do you venture ,5,10 miles or further ?
 
Personally I would stay about ten miles offshore. There are rocks and shoaling north of Charleston. it's not a big deal but hugging the coastline is not advised. FYI do not make your turn to the north too soon Charleston Harbor entrance has rock jetty's both sides that are completly submerged at high tide.
 
The Navionics app on your smart phone is your friend when it comes to questions like this. You enter your boat's parameters, and it will plot a course based on those parameters. I fudge my draft by three feet as a safety factor, and it's never gotten me into trouble. Great for trip planning, especially coastal.
 
Personally I would stay about ten miles offshore. There are rocks and shoaling north of Charleston. it's not a big deal but hugging the coastline is not advised. FYI do not make your turn to the north too soon Charleston Harbor entrance has rock jetty's both sides that are completly submerged at high tide.
You would be adding distance to the trip if you ran that close vs a straight line.

Here’s a screenshot from Navionics which shows 23 miles offshore. Pay no attention to the total mileage, and keep in mind these are statue miles.
 

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Thanks! I see the route .
 
Thanks! I see the route .
It's hard to get much detail from that pic, but running offshore is always a, "closest distance between two points is a straight line" sort of deal with obvious variations for immovable objects and the bottom. You can see where I did a measurement from the course line to shore to come up with that 23 mile figure. It's just a point and click to do that, and all I did was enter Charleston City Marina and Southport Marina in autoroute mode to get the route.

I run boats with the latest and greatest electronics packages, and I inevitably end up with my iPhone with Navionics in my palm for navigating. It's just so much easier to use. The app is extremely inexpensive, and I have never recommended to anyone who didn't thank me for doing so.
 
I will check out the app. thanks !
 
Would it be worth it to get to the gulf stream when heading north,for some extra push ?
 
Would it be worth it to get to the gulf stream when heading north,for some extra push ?
No, at least not in this case. You would have to go too far out to find it, and the push wouldn't even balance the time/fuel you used to get to it and back in.
 
Thanks again.
 
It is interesting to read about offshore traveling on the east coast.
Out here on the west coast we always go offshore, as there's nowhere else to go.
A typical day's fishing or cruising trip out of San Diego involves heading west 20-100 miles. That's probably why - when it comes to boats that actually leave the dock - motoryachts are outnumbered by sport fishers here by a huge margin.
 
I don’t really consider running the coast as being offshore, but it’s just a terminology thing. I refer to running inside or outside as we have the ICW below NJ as an option.

I prefer running outside when the weather is nice, but it’s not always the shortest route. Whether or not it’s quicker depends on your cruising speed. With that, I see WAY more convertibles outside than I do inside. The reverse is true for motor yachts. That comes back to the speed vs distance thing.

By the time you run in/out of the passes, it kills any distance saved. Outside is just prettier and keeps you away from bridges, no wake zones, idiots etc.
 
Plus you can use the autopilot and not have to stop for bridge openings.
 
We used the Navionics app on our IPad to do 6 trips from Annapolis to Key West and back. Ran Inside and Outside depending on weather and draft. SC & Georgia ICW not very deep. Purchased an expensive Garmin, tried it for 2 days and took it back.
 

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