Sanur - Grand Hyatt Surf Forecast and Surf Report

Alright, folks, Rusty here. Let's be straight with you – this stretch of the Sanur coastline is looking like a tough ask for the next couple of weeks. We’ve only got one spot to work with and it’s a tricky one.

The setup is Sanur - Grand Hyatt, a reef break that’s usually pretty fickle, with the consistency listed as "inconsistent" and the optimum swell direction from the south. The water temp is sitting at 80°, which is pretty much bang on average for this time of year, so no surprises there.

The problem is, for the first week and a half, we’ve got a solid, long-period SSW groundswell pushing through, but it’s constantly battling a cross-onshore wind. The combined wave energy is moderate to strong (2903 to 1093), but with the wind state being "fairly choppy" or "unknown" and the onshore direction, it just never cleans up. The wave comment stays "marginal" or "poor" with a score of 1 or 0, so it’s not worth paddling out for. The swell is also in the 5 ft to 8 ft range, which is already too big for beginners and at times over 8 ft, making it expert-only territory. The period is long (14 to 18 seconds), so this is a proper groundswell, but at a beach-reef setup like this, a long period tends to make the waves break too straight and mushy, especially with the wind on it.

The first real glimmer doesn’t come until Saturday, September 21st morning. The wind switches to "on" or offshore, and the swell is still a solid 6 ft to 7 ft from the SSW, with a period of 15 seconds and moderate energy (1854). This is the standout moment. It’s not huge, but the clean offshore wind on a decent groundswell will make the reef start to work. The crowds are listed as "often", so expect a few locals out, but it’s a reef break so the lineup will be manageable.

The absolute best day on the cards, however, is Tuesday, September 23rd into Wednesday, September 24th. The swell jumps up to 8 ft to a proper 10 ft from the SSW, with a period of 17 seconds and the combined energy surging into the four-digit range (5012 and 4862) – that’s strong to very strong wave energy. The wind is still coming from the SE, but it’s light (6 to 9 mph) and mostly cross-onshore, so the surface will only have light wind ripples. This is a powerful, big-wave setup. It’s only for experts, but if you can handle it, the reef will be throwing. The crowd factor is "often", but with this size, half the lineup will be on the beach.

The rest of the period after that sees the swell drop back to 4 ft to 5 ft, with the wind staying cross-onshore. It’s a no-go.

So, to sum it up: the window is tight. The first real chance is Saturday, September 21st morning for a clean, medium-sized reef session. The standout for the big boys is Tuesday, September 23rd and Wednesday, September 24th when the 8 ft to 10 ft SSW groundswell meets light winds. Get on it if you’re experienced, because after that, it’s back to flat and choppy.

Rusty.

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