Surf Forecasts:
Icelands surf forecast from 20 Aug 2026:
- Best quality surf: Friday 21 Aug, 1AM (local time) - 7ft (2.2m), 16s period, SSW swell with cross-offshore winds.
- Most powerful swell: Saturday 22 Aug, 7AM (local time) - 7ft (2.2m), 16s period, SSW swell with 2,335 kJ wave energy.
- Next surfable swell (1★+): Friday 21 Aug, 1AM (local time) - 7ft (2.2m), 16s period with SSW swell.
Best Forecast Surf Conditions for Icelands this week:
The surf forecast for Icelands over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Aug 21) at 1AM. The primary swell is predicted to be 2.2m and 16s period with a secondary swell of 0.2m and 11s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Icelands in the next 16 days are 2.2m 16s and forecast to arrive on Saturday (Aug 22) at 7AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 5s period and expected on Monday (Aug 24) at 10AM.
| Wave Type | Time (WIB) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 1AM (Fri 21st Aug) | 7ft (2.2m) 16s |
| Best Surf | 1AM (Fri 21st Aug) | 7ft (2.2m) 16s |
| Most Powerful | 7AM (Sat 22nd Aug) | 7ft (2.2m) 16s |
Table - best surf conditions forecast for Icelands over the next 16 days.
The Lowdown
G’day, Rusty here. Let’s talk about what’s cooking at Icelands. This is a proper reef break that’s open to a south-southwest swell, and that’s exactly what we’ve got stacked up. Water temp is about 85°F, right on the money for this time of year, nothing weird going on there.
So the whole 16-day window is basically one long south-southwest groundswell train. The energy is strong right out of the gate, drops a bit in the middle of the week, then comes roaring back for the second week. The wind is mostly cross-off, so it’s going to be clean a lot of the time, but this spot is for experienced surfers only—when the waves are running over 5 feet with that kind of period, it’s not beginner territory.
Thursday the 20th starts us off with a solid 8ft south-southwest swell, a 16-second period, and a ton of energy—2754 in the tank. The wind is a clean cross-off, so the lines should be looking sharp. The tide’s a bit tricky, but it’s a decent start. Friday the 21st morning drops to 6ft but the period holds, energy still high at 2279. Same clean wind. Friday afternoon drops to 6ft and the forecast calls it excellent for experienced surfers. That’s your first real standout—clean, solid, and the swell direction is exactly what this break wants.
Saturday the 22nd bumps back to 7ft in the morning with a 16-second period and 2261 energy. If you’re fit and experienced, that’s a big session. The afternoon gets a cross wind and the quality drops. Sunday the 23rd runs 5ft in the morning and 6ft in the afternoon, still clean, decent board time. Early next week from Monday the 24th through Wednesday the 26th, the swell backs off—we’re looking at 4ft to 6ft, energy drops from 1674 down to 553. It’s clean in the mornings but the afternoons get a cross wind and go marginal. A quiet patch.
Now here’s the good stuff. Thursday the 27th morning brings a 4ft swell with a massive 19-second period—that’s very long-period groundswell. Energy jumps to 1382, light cross-off wind, and the report says it’s excellent for experienced surfers. On a reef, that long period will push in with real power, but you’ll be waiting between sets. That afternoon goes to 5ft, 18 seconds, and 1844 energy. Friday the 28th delivers a consistent 5ft, 15-second period, 1548 energy, clean both morning and afternoon, and both are rated excellent. That’s a great run.
The real standout, the one you want to circle on the calendar, is Monday the 31st of August into September. Monday morning is only 4ft but has a 20-second period and 1911 energy—proper groundswell pulse. Monday afternoon jumps to 6ft, 19 seconds, and a huge 2598 energy with light clean wind. That afternoon is excellent for experienced surfers. Tuesday the 1st of September is even bigger: 7ft, 18-second period, and 2745 energy in the morning with light cross-off wind. That’s a proper, powerful, clean day. Then Wednesday the 2nd of September morning is glass—flat calm wind, 7ft, 16-second period, and 2193 energy. Perfect reef conditions, clean as a whistle. That stretch from Monday the 31st through Wednesday the 2nd is the best of the whole window.
After that, Thursday the 3rd drops to 6ft, cross wind and chop, not worth rushing. But Friday the 4th of September morning is glass again—5ft, a 20-second period, and 2058 energy. Clean as glass. The afternoon sits at 5ft with a 19-second period and 2410 energy, still clean. That’s a lovely way to finish the window. A few flat-ish days sit between the standouts, but overall, this reef is going to fire at least a couple of times. Keep your eye on the end of August and that glassy Wednesday morning in early September.
Rusty.
Short Range ForecastModerate rain (total 15mm), heaviest on Fri night. Warm (max 28°C on Thu afternoon, min 26°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 23mm), heaviest during Sun night. Warm (max 28°C on Sun afternoon, min 26°C on Mon morning). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map | ||||||||||||||||||||
Wave Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 16 | S 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 16 |
Wave Graph | ||||||||||||||||||||
2716 | 2295 | 1676 | 1208 | 2254 | 2247 | 1682 | 1321 | 892 | 1106 | 899 | 661 | 1672 | 1168 | 1223 | 1031 | 595 | 472 | 479 | 430 | |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross | cross |
High Tide | 11:54PM0.90m | 11:18AM0.55m | 1:13AM0.85m | 1:47PM0.49m | 2:41AM0.85m | 3:37PM0.51m | 3:51AM0.91m | 4:40PM0.58m | 4:43AM0.98m | 5:22PM0.67m | 5:23AM1.05m | 5:57PM0.77m | ||||||||
Low Tide | 4:30PM0.22m | 5:56AM0.41m | 5:10PM0.28m | 7:37AM0.45m | 6:09PM0.34m | 11:10AM0.39m | 7:38PM0.37m | 11:24AM0.32m | 9:14PM0.35m | 11:37AM0.26m | 10:21PM0.30m | 11:55AM0.19m | 11:10PM0.24m | |||||||
— | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | |
6:25 | — | — | 6:25 | — | — | 6:25 | — | — | 6:25 | — | — | 6:25 | — | — | 6:24 | — | — | 6:24 | — | |
mm | — | — | — | 2 | 4 | — | — | 7 | 2 | — | 6 | 5 | 3 | 5 | 3 | — | 1 | — | — | — |
Temp °C | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 28 | 27 |
Feels °C | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 30 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 30 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | S 14 | SSW 16 | S 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 16 |
2716 | 2295 | 1676 | 1208 | 2254 | 2247 | 1682 | 1321 | 892 | 1106 | 899 | 661 | 1672 | 1168 | 1223 | 1031 | 595 | 472 | 479 | 430 | |
Swell 2 Height (m) Direction Period (s) | WNW 10 | WNW 11 | S 19 | S 18 | WNW 10 | WNW 10 | WNW 9 | S 18 | S 20 | S 19 | S 18 | SSW 13 | W 10 | SW 16 | W 9 | W 9 | W 8 | SSW 18 | SE 8 | SSW 12 |
10 | 11 | 592 | 1033 | 10 | 9 | 8 | 99 | 373 | 738 | 759 | 390 | 2 | 10 | 2 | 2 | 1 | 63 | 9 | 187 | |
Swell 3 Height (m) Direction Period (s) | — | S 22 | WNW 11 | WNW 11 | W 16 | W 16 | S 24 | SSW 22 | W 9 | SSW 16 | — | SSW 19 | — | W 10 | W 7 | — | SW 20 | SW 18 | W 8 | S 8 |
— | 37 | 11 | 11 | 5 | 5 | 11 | 156 | 6 | 50 | — | 37 | — | 2 | 1 | — | 15 | 82 | 1 | 48 | |
Wind waves Height (m) Direction Period (s) | SW 10 | SSE 4 | SSE 5 | SSE 5 | SSE 5 | — | SE 6 | SSE 4 | SSE 5 | SSE 6 | — | SSE 5 | — | — | — | SSE 7 | S 8 | S 8 | S 8 | — |
28 | 9 | 14 | 14 | 19 | — | 12 | 19 | 40 | 72 | — | 66 | — | — | — | 41 | 64 | 63 | 64 | — | |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 39 | 0 | 33 | 0 | 0 | 33 | 33 | 0 | 33 | 76 | 33 | 33 | 414 | 39 | 33 | 76 | 76 | 0 | 33 | 33 |
Best forecast wave conditions in Mentawi Islands | ||||||||||||||||||||
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Information about the Icelands Surf forecast
The above surf forecast table for Icelands provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Icelands can be found by selecting the local surf guide option on the grey menu. Our Icelands surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Icelands) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Icelands may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.











