Swell Models and Forecast Charts

*click chart(s) to view animation

South Pacific Swell Periods

The SWELL PERIOD FORECAST CHART show us a full 7-day forecast of the PEAK WAVE PERIODS. Wave periods are a different way of measuring and tracking wave energy. Generally stormy seas/swells die down quickly as they leave the area of the winds that generated them and so the PEAK WAVE PERIODS charts allow you to follow the swell as it leaves the storm and track it, hopefully to your destination. If you use these charts along with the SIGNIFCANT SWELL HEIGHT charts you will be able to find storms and track swells the produce anywhere in the world...more information


South Pacific Wave Heights

THE SIGNIFICANT SWELL HEIGHT FORECAST CHART shows us a full 7-day forecast of SWELL/SEA HEIGHTS occurring worldwide. The Swell Height Forecast Model is the equivalent of “Old Glory” in terms of swell modeling. It has had many names over the years (and I am sure a whole lot of top-secret ones too)…but at the end of the day the Swell Height Forecast model is an extension of a wind/weather package. Once winds along the surface of the ocean have been determined then the swell-height modeling kicks into gear, processing the duration, intensity, and track, of those winds, and then crunching out a numerical picture of how big the seas will be anywhere in the world…fortunately some guy (probably a geographer that didn’t want to take calculus III in college) said “these numbers are confusing, let’s put it in a map, and give the wave heights different colors so we can read this thing.”…and presto the charts that we know and love were born. And we don’t care how little you really look at the forecast charts…we know your heart beats a little faster when you get a glimpse of a giant red/purple/black blob eating up half of the ocean, basically ringing the alarm bell that a big swell is on the way...more information


South Pacific Winds

The WIND Forecast is a combination of several levels of data…Sea Level Pressure (represented by the Isobars lines), Dominant Wind Directions (represented by the small black arrows), and Wind Speeds (that are represented by the color underneath the other two data sets). These large-scale winds are useful for tracking a storm’s strength and also keeping an eye on weather and wind conditions at your location so you can score when swell arrives...more information


South Pacific Islands Surf Regions