Jarosite Reef Surf Forecast and Surf Report

G’day, Rusty here, and I’ve been staring at the charts for Jarosite Reef. This reef setup is an advanced-level wave, and it’s consistent, so it’s got plenty of pulses coming through the 16-day window. The water’s sitting at 56.5°F, which is about average for this time of year, so no surprises there.

The outlook kicks off right now. Friday the 31st of July isn’t the best start—cloudy, cross-on wind from the south at 3 mph, and a 3.3ft SSW swell with a 12-second period. The combined energy is moderate at 409, but it’s a marginal call with iffy tide conditions. Not the one to get excited about.

Saturday the 1st of August is where things turn. The morning is clean as a whistle—clear skies, light cross-off breeze from the north at 6 mph, but the swell dips to 2.3ft from the SW. The period is a very long 17 seconds, so it’s proper groundswell, with moderate energy (527). The afternoon is the real standout: 4.6ft, same SW direction, still that long 17-second period, and the wind drops to 3 mph cross-off. The energy jumps to 1724, which is strong, and the conditions are labelled excellent for experienced surfers. That’s your best bet for the first week—clean, long lines, and the reef will handle that long period beautifully.

Sunday the 2nd starts with a bigger breeze—12 mph north cross-off—and the swell holds at 4.6ft, but the period drops to 16 seconds, energy at 986. It’s a bit lumpy under the wind, so it’s only marginal. The afternoon is more of the same, with 16 mph winds, and the swell drops to 3.9ft. Not great.

Monday the 3rd is a write-off: 19 mph winds from the WNW in the morning, 3.6ft swell, and the quality is poor. The afternoon sees light rain and 16 mph winds, swell down to 3.0ft. Nothing to see here.

Now, Tuesday the 4th of August—hold onto your board. The morning brings a solid 9.8ft SW swell, 12-second period, and that’s a massive 2670 energy—very strong. The wind is 12 mph from the west, cross-off, so it’s clean. But at 9.8ft, that’s expert territory only. The afternoon drops to 6.2ft, but the wind goes cross-shore at 12 mph, creating a chop. Still, if you’re an experienced surfer, the morning window is a big one.

We’ve then got a gap. Wednesday the 5th through to Friday the 7th have surf, but nothing that screams “go now.” Wednesday the 5th morning is a tiny 1.6ft, 19-second period, with 6 mph west wind, good but small. The 7th of August has a nice clean 2.6ft, 15-18 second period, with light cross-off winds, so it’s surfable but not the main event.

Saturday the 8th and Sunday the 9th are a write-off. Fresh 19 mph north winds, poor surf, energy under 400. The Sunday afternoon does have a 12 mph offshore from the NNW, 2.6ft, 16-second period, which is clean, but it’s small.

The second week starts to fire up. Monday the 10th of August morning: 19 mph offshore from the NW, 4.3ft, 14-second period, energy at 1205—strong. The wind is clean, but it’s a fresh breeze, so it’s a bit of a battle. The afternoon is blown out by 25 mph west winds.

Tuesday the 11th is another standout. Morning: 19 mph offshore from the WNW, 5.9ft, 16-second period, energy at 1728. That’s strong, clean, and for experts only over 8.2ft? No, it’s 5.9ft, so it’s still big but manageable for advanced surfers. The afternoon drops to 5.2ft, wind 22 mph, but it’s cross-off and clean.

Wednesday the 12th afternoon: 9 mph cross-off, 4.3ft, 14-second period, moderate energy at 612, and the conditions are labelled very good. It’s a solid session.

The real standout of the second week is Thursday the 14th of August afternoon. Clear skies, 9 mph offshore from the WNW, 5.2ft, 15-second period, energy at 1038—strong. That’s excellent for experienced surfers, clean as a whistle.

Then Friday the 15th of August morning: 6 mph offshore, 3.6ft, 17-second period, energy at 1404—very strong. It’s labelled excellent. The afternoon is 3 mph offshore, 5.2ft, 16-second period, energy at 1215. That’s your pick for the tail end: clean, long period groundswell, and the reef will love it.

So, overall, the best on offer is Saturday the 1st of August afternoon and Tuesday the 4th of August morning,

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