Forecasting Tutorial: Great circles

23 May 2007 0 1,704 VIEWS

By Oceanographer Daryll Strauss

It’s no secret that long period groundswells can cover vast distances with minimal loss of wave energy to produce large, well organised surf along a distant shoreline - often thousands of nautical miles from the swell source. What’s less understood is how groundswells propagate across the earth’s curved sea surface to arrive at destinations you wouldn’t necessarily expect when analysing a one dimensional weather chart or swell map.

CoastalWatch Plus

View the full Article

Tags: (create Alert from these tags)

blog comments powered by Disqus
Features
New World Champions, Jordy Smith, Ripping In Africa, Neal Purchase Junior Awesome As Always – This Week In Surfing

New World Champions, Jordy Smith, Ripping In Africa, Neal Purchase Junior Awesome As Always – This Week In Surfing

The ten best surf things from the internet on the week that was October 31, 2014.

0 31 Oct 2014
One Wave With Ari Browne, The Best Finless Surfer You Haven't Heard Of

One Wave With Ari Browne, The Best Finless Surfer You Haven't Heard Of

Wave of The Week: The best surfer is the one having the most fun.

5 30 Oct 2014
Recent

Daniel Michaud | Coastalwatch Plus Member Of The Month - October, 2014

Congratulations to Daniel Michaud, our October Coastalwatch Plus Member Of The Month.

0 30 Oct 2014
Vasco Ribeiro and Mahina Maeda Win Allianz ASP World Junior Championships

Vasco Ribeiro and Mahina Maeda Win Allianz ASP World Junior Championships

0 30 Oct 2014
Portugal. The Man's Monumental Australian Tour For Corona Kicks Off This Weekend

Portugal. The Man's Monumental Australian Tour For Corona Kicks Off This Weekend

0 29 Oct 2014
Nanda Ormond Animation For Rhythm – The Bangalow

Nanda Ormond Animation For Rhythm – The Bangalow

0 29 Oct 2014
Maxum Moments Photo Competition Winner - David Armstrong

Maxum Moments Photo Competition Winner - David Armstrong

0 29 Oct 2014
Latest News

Daniel Michaud | Coastalwatch Plus Member Of The Month - October, 2014

Congratulations to Daniel Michaud, our October Coastalwatch Plus Member Of The Month.

Nanda Ormond Animation For Rhythm – The Bangalow

Mind-bending movement for mindbending trunks.

Popular This Week

Watch The Best Waves From SE Queensland & Northern NSW This Winter

Standout Sessions: Remember Kirra? Winter 2014 delivered.

5 Mental Waves From Strange Rumblings In Shangri La

Long barrels, big airs, and the African Kirra!

Hoverboards, Indoor Surfing Backflips, & Ryan Burch is Crazy Awesome – This Week In Surfing

Ten things from the internet in the week that was October 24, 2014

Video: Ignacio Salazar Wrangles A Shipstern Bluff Monster

Wave of the Week: If you're going to fall off at Shippies, it's best to do it as you're spat out onto the shoulder.

One Wave With Ari Browne, The Best Finless Surfer You Haven't Heard Of

Wave of The Week: The best surfer is the one having the most fun.

Go to Top