Surf Forecasts:
Lymans surf forecast from 31 Aug 2026:
- Best quality surf: Tuesday 1 Sep, 5AM (local time) - 2.5ft (0.7m), 18s period, SSW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 2AM (local time) - 3ft (0.9m), 18s period, SSW swell with 547 kJ wave energy.
- Next surfable swell (1★+): Monday 31 Aug, 2AM (local time) - 1.5ft (0.4m), 15s 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 Monday (Aug 31) at 2AM. The primary swell is predicted to be 0.4m and 15s period with a secondary swell of 0.6m and 7s. Another secondary swell of 0.3m and 8s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Lymans in the next 16 days are 0.9m 18s and forecast to arrive on Monday (Sep 07) at 2AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 10s period and expected on Friday (Sep 04) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Mon 31st Aug) | 1.5ft (0.4m) 15s |
| Best Surf | 5AM (Tue 1st Sep) | 2.5ft (0.7m) 18s |
| Most Powerful | 2AM (Mon 7th Sep) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Lymans over the next 16 days.
The Lowdown
Let’s get into it.
Honestly, the next week and a half is looking pretty bleak for a proper surf at Lymans. We’ve got a long stretch of tiny, weak, and poorly organized swell. From now through Thursday the 4th, it’s a whole lot of nothing – most of that swell is coming from the north, which does nothing for this spot, and it’s short-period junk. There’s a tiny blip of energy Saturday the 5th, but it’s barely 3 feet and it’s marginal at best. The water temp is sitting right around the norm for this time of year, nothing weird there.
The real hope shows up on Sunday the 6th. That afternoon, we finally see a proper pulse of long-period southwest groundswell start to fill in. The energy jumps to a moderate 479, and the period is a meaty 19 seconds. It’s only 2 feet, but it’s glassy. The air is still, and that sets the stage.
Monday the 7th is where it gets interesting. It’s the standout of the whole run. That SW groundswell is still pumping through with solid energy (855 in the morning, 747 in the arvo), and it’s bringing 4-foot swell with a 16-17 second period. The wind is what seals it – light offshore in the morning from the NNW, and then completely glassy by the afternoon. That’s the window. It’s a reef and point set-up so it should handle that longer period fine and wrap in nice and clean. Keep in mind the wave energy is strong on that Monday, so it’s not for the faint of heart, but for anyone with a bit of experience, that Monday afternoon is the one to chase.
After that, it all fades pretty quickly. From Tuesday the 8th through the rest of the run, the swell backs off and the winds turn cross-onshore or onshore, chopping it up. There’s a little pulse of long-period swell around the 12th and 13th, but it’s under 2 feet and will barely break. And the following week, the 15th has some 18-second energy, but again, its tiny and ultimately poor.
So, to sum it up – this is a classic case of waiting for one good day. The only real, honest-to-goodness surf on offer is Monday, September 7th. Get on it if you can. The long-range stuff after that is promising in period, but there’s just not enough size to get excited about.
Alright, I’m out.
Rusty
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 26°C on Sun night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sat afternoon. Warm (max 28°C on Thu morning, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Monday 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | ||||||||||||||
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 15 | SW 15 | N 7 | N 7 | SW 14 | N 7 | SSW 16 | N 7 | N 7 | N 7 | NNE 7 | NNE 7 | N 6 | N 6 | N 7 | SSW 20 | SSW 10 | SW 10 | SW 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 76 | 109 | 40 | 39 | 32 | 45 | 291 | 35 | 36 | 43 | 45 | 58 | 41 | 35 | 43 | 38 | 314 | 240 | 236 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | on | cross-on | glassy | on | cross | cross | cross-on | on | cross-on | cross-on | glassy | glassy | on | on | glassy | on | cross-on | glassy |
High Tide | 5:54AM0.65m | 5:27PM0.55m | 6:42AM0.67m | 5:54PM0.47m | 7:42AM0.68m | 6:21PM0.39m | 8:58AM0.68m | 6:47PM0.32m | 10:26AM0.70m | 9:19PM0.26m | 11:45AM0.74m | 11:51PM0.27m | |||||||
Low Tide | 11:22PM0.07m | 11:55AM0.23m | 11:48PM0.07m | 12:57PM0.28m | 00:18AM0.08m | 2:27PM0.32m | 00:56AM0.09m | 5:18PM0.32m | 1:51AM0.12m | 7:24PM0.25m | 3:16AM0.14m | 7:47PM0.20m | 4:55AM0.13m | ||||||
 |  |  | | | |  | | | | | | | | | | |  |  | |
 | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — |
 | 6:39 | — | 6:38 | — | — | 6:38 | — | — | 6:37 | — | — | 6:37 | — | — | 6:36 | — | — | 6:35 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 |
Temp °C | 26 | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 30 | 30 | 30 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 33 | 31 | 32 | 33 |
Swell 1 Height (m) Direction Period (s) | S 11 | NNE 7 | N 7 | S 19 | S 18 | S 18 | SSW 16 | S 16 | S 15 | S 15 | SE 12 | SSE 12 | SSE 11 | S 10 | S 10 | S 10 | SSW 10 | SW 10 | SW 10 |
| kJ | 82 | 51 | 40 | 265 | 627 | 404 | 291 | 507 | 452 | 343 | 212 | 289 | 370 | 320 | 543 | 510 | 314 | 240 | 236 |
Swell 2 Height (m) Direction Period (s) | N 7 | S 11 | S 10 | N 7 | N 5 | N 7 | S 17 | N 7 | N 7 | N 7 | S 14 | NNE 7 | N 6 | N 6 | SSW 20 | N 6 | S 12 | SSE 6 | N 7 |
| kJ | 32 | 108 | 76 | 39 | 20 | 45 | 291 | 35 | 36 | 43 | 261 | 58 | 41 | 35 | 38 | 28 | 144 | 41 | 37 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SW 15 | S 19 | S 10 | SW 14 | S 12 | NNE 7 | S 11 | S 11 | SE 13 | NNE 7 | S 14 | SSW 13 | S 13 | S 16 | SSW 20 | SSE 6 | NNE 7 | S 6 |
| kJ | 76 | 109 | 190 | 47 | 32 | 73 | 34 | 58 | 58 | 132 | 45 | 187 | 34 | 127 | 21 | 38 | 18 | 40 | 15 |
Wind waves Height (m) Direction Period (s) | SW 8 | — | S 3 | — | SW 8 | WSW 8 | — | WSW 7 | WSW 7 | — | — | NW 5 | — | — | N 7 | — | — | — | — |
| kJ | 10 | — | 3 | — | 9 | 11 | — | 5 | 5 | — | — | 4 | — | — | 43 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 22 | 8 | 1 | 8 | 22 | 3 | 22 | 22 | 1 | 11 | 1 | 1 | 95 | 22 | 1 | 49 | 99 | 0 |
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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