Surf Forecasts:
Lymans surf forecast from 11 Aug 2026:
- Best quality surf: Tuesday 11 Aug, 8PM (local time) - 3ft (0.9m), 14s period, SSW swell with cross-offshore winds.
- Most powerful swell: Tuesday 11 Aug, 2PM (local time) - 3ft (0.9m), 14s period, SSW swell with 336 kJ wave energy.
- Next surfable swell (1★+): Tuesday 11 Aug, 8PM (local time) - 3ft (0.9m), 14s period with SSW swell.
Best Forecast Surf Conditions for Lymans this week:
The surf forecast for Lymans over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 11) at 8PM. The primary swell is predicted to be 0.9m and 14s period. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Lymans in the next 16 days are 0.9m 14s and forecast to arrive on Tuesday (Aug 11) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 16s period and expected on Thursday (Aug 13) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Tue 11th Aug) | 3ft (0.9m) 14s |
| Best Surf | 8PM (Tue 11th Aug) | 3ft (0.9m) 14s |
| Most Powerful | 2PM (Tue 11th Aug) | 3ft (0.9m) 14s |
Table - best surf conditions forecast for Lymans over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on the cards for our local stretch.
Honestly, the next week and a half is looking pretty grim. We’ve got a long stretch of days where the surf is just too small, the wind is messy, or the conditions are ordinary. If you’re jonesing for a paddle, you’ll be waiting a while. The first real glimmer of hope doesn't show up until late in the period.
Lymans is our only spot with any data, and it’s a reef and point setup that’s fairly consistent. For the first week and a half, from Tuesday the 11th right through to Saturday the 22nd, it’s a write-off. The swell is tiny, often under 2ft, and the wind is coming from the wrong direction or just creating chop. There’s a brief moment on the afternoon of Tuesday the 19th with a glassy surface, but with a 2ft swell and ordinary conditions, it’s not worth the trip. The water temp is sitting at 82°, which is about a degree and a half warmer than usual for this time of year – a nice warm bath, but not much else to get excited about.
The action starts to pick up on Sunday the 23rd of August. The morning sees a 3ft SSW groundswell with a 15-second period, and the wind is light offshore (moderate wave energy of 388). This is a surfable setup, but the conditions are still considered marginal. The afternoon is similar, but with a 14-second period. The real standout, the one to circle on your calendar, is Monday the 24th of August. The morning brings a 3ft groundswell from the SSW with a very long 18-second period, and the combined energy is strong at 705. The wind is offshore, which is a huge plus. The afternoon picks up to 4ft from the same direction with a 17-second period and energy of 889. This is the best on offer. With that long period and a SSW swell direction matching the optimum WNW direction, it’s going to be a clean, powerful, and well-shaped wave at Lymans. The long period means it’ll be a proper groundswell, with long waits between sets, making paddling out a bit easier. This is shaping up to be a fantastic session, if you can wait that long.
After that high, things drop off again. The rest of the period is small and poor until the afternoon of Wednesday the 26th of August, when a 3ft SSW swell rolls in with a 14-second period and glassy conditions. The combined energy is moderate (321) and while it’s not the blower of the 24th, it’s a clean, fun little wave to end the run.
Stay patient, that Monday the 24th is the one to aim for.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Tue morning. Warm (max 28°C on Wed morning, min 25°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 4mm), mostly falling on Sun morning. Warm (max 29°C on Sat afternoon, min 26°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||
Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | |||||||||||||||
AM | 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 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | WNW 12 | SSW 12 | WNW 12 | NNE 6 | NNE 5 | WNW 12 | WNW 12 | WNW 11 | N 6 | NNE 6 | NNE 7 | NNE 5 | W 12 | NNE 10 | NNE 10 | NNE 9 |
Wave Graph  | |||||||||||||||||||||
 kJ | 273 | 327 | 307 | 294 | 238 | 48 | 111 | 27 | 34 | 30 | 27 | 26 | 24 | 30 | 48 | 41 | 30 | 69 | 97 | 166 | 64 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross | on | cross-on | cross-on | cross-on | glassy | glassy | on | glassy | glassy | cross | glassy | cross-off | cross | cross | cross-off | cross | cross | cross |
High Tide | 3:21PM0.90m | 3:28AM0.42m | 3:58PM0.88m | 4:13AM0.48m | 4:32PM0.83m | 4:57AM0.53m | 5:04PM0.75m | 5:42AM0.57m | 5:33PM0.67m | 6:28AM0.60m | 5:59PM0.57m | 7:17AM0.61m | 6:21PM0.49m | ||||||||
Low Tide | 8:09AM0.02m | 10:17PM0.09m | 9:00AM0.02m | 10:45PM0.08m | 9:48AM0.06m | 11:13PM0.07m | 10:35AM0.11m | 11:39PM0.07m | 11:24AM0.17m | 00:04AM0.08m | 12:15PM0.24m | 00:29AM0.10m | 1:15PM0.31m | 00:55AM0.11m | |||||||
 |  |  |  | |  | | |  | | | | | | | | |  |  | | | |
 | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — |
 | — | 6:53 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — |
mm | 1 | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 1 | 5 | 6 |
Temp °C | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 27 | 27 | 28 | 29 | 28 | 28 | 28 | 29 | 28 | 28 | 27 |
Feels °C | 30 | 30 | 29 | 29 | 30 | 30 | 31 | 32 | 31 | 31 | 30 | 31 | 31 | 32 | 32 | 32 | 30 | 31 | 32 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | SSW 14 | SSW 14 | SSW 13 | S 18 | S 17 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 14 | S 13 | S 13 | S 15 | S 14 | S 14 | S 13 |
| kJ | 273 | 327 | 307 | 620 | 572 | 1017 | 674 | 753 | 619 | 508 | 405 | 356 | 350 | 284 | 311 | 219 | 215 | 418 | 325 | 316 | 215 |
Swell 2 Height (m) Direction Period (s) | SSE 9 | SSW 20 | S 19 | SSW 13 | SSW 13 | N 6 | SSW 12 | N 5 | NNE 6 | NNE 5 | N 6 | N 5 | N 6 | N 6 | NNE 6 | NNE 7 | NNE 5 | NNE 7 | NNE 10 | NNE 10 | NNE 9 |
| kJ | 30 | 132 | 365 | 294 | 238 | 15 | 111 | 21 | 34 | 30 | 18 | 20 | 17 | 30 | 48 | 41 | 30 | 41 | 97 | 166 | 64 |
Swell 3 Height (m) Direction Period (s) | NNE 6 | NNE 6 | N 5 | NW 13 | N 5 | WNW 12 | N 6 | WNW 12 | WNW 12 | WNW 11 | WNW 12 | WNW 12 | WNW 11 | S 18 | S 18 | S 16 | S 16 | W 12 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 10 | 12 | 14 | 108 | 14 | 48 | 15 | 27 | 27 | 25 | 27 | 26 | 24 | 57 | 97 | 185 | 183 | 69 | 41 | 41 | 41 |
Wind waves Height (m) Direction Period (s) | WNW 10 | W 12 | — | — | — | — | — | — | — | — | N 5 | — | — | — | — | — | — | — | — | S 3 | S 3 |
| kJ | 33 | 44 | — | — | — | — | — | — | — | — | 12 | — | — | — | — | — | — | — | — | 3 | 11 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 99 | 2 | 1 | 78 | 122 | 22 | 8 | 1 | 1 | 11 | 1 | 1 | 2 | 1 | 1 | 3 | 72 | 0 | 2 | 22 | 83 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Lymans Surf forecast
The above surf forecast table for Lymans provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lymans can be found by selecting the local surf guide option on the grey menu. Our Lymans 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 (Lymans) 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 Lymans 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.
Lymans is 94 km (58 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.
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