Forecasting Tutorial: Great circles

23 May 2007 0 1,666 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
How Mick Fanning Won Portugal And Quietly Fired Up The Title Race – Sean Doherty On...

How Mick Fanning Won Portugal And Quietly Fired Up The Title Race – Sean Doherty On...

Reporting from the sands of Peniche on the last day of the Moche Rip Curl Pro Portugal.

3 21 Oct 2014
The World Title Will Not Go Down In Portugal – Sean Doherty On...

The World Title Will Not Go Down In Portugal – Sean Doherty On...

Day 2 of The Rip Curl Portugal got weird

1 20 Oct 2014
Video: Soli Bailey Ledgey Victorian Tube

Video: Soli Bailey Ledgey Victorian Tube

Wave of The Week: The Australian Junior Champ looks like he has recovered from injury.

3 17 Oct 2014
Recent

Mick Fanning Wins Moche Rip Curl Pro Portugal

Your World Title scenarios are right here.

0 21 Oct 2014
Medina & Slater Eliminated from Moche Rip Curl Pro Portugal, Title Clinching Postponed

Medina & Slater Eliminated from Moche Rip Curl Pro Portugal, Title Clinching Postponed

0 20 Oct 2014
Gallery: John John Surfs Big Papoa – Rip Curl Pro Portugal Lay-Day

Gallery: John John Surfs Big Papoa – Rip Curl Pro Portugal Lay-Day

0 17 Oct 2014
Maxum Moments Photo Competition Winner - Pascal Geraghty

Maxum Moments Photo Competition Winner - Pascal Geraghty

0 17 Oct 2014
Tricky Barrels Score High on Opening Day at Supertubos

Tricky Barrels Score High on Opening Day at Supertubos

0 15 Oct 2014
Latest News

Mick Fanning Wins Moche Rip Curl Pro Portugal

Your World Title scenarios are right here.

Gallery: John John Surfs Big Papoa – Rip Curl Pro Portugal Lay-Day

Around the corner from the contest, J-Flow goes for a big ol' paddle.

Popular This Week

Video: After The Lull, A D'Bah Pulse - October 16, 2014

Standout Sessions: D-Bah keeps the Gold Coast sane, Thomas Woods goes HAM.

Video: Soli Bailey Ledgey Victorian Tube

Wave of The Week: The Australian Junior Champ looks like he has recovered from injury.

Gallery: John John Surfs Big Papoa – Rip Curl Pro Portugal Lay-Day

Around the corner from the contest, J-Flow goes for a big ol' paddle.

Go to Top