Surf Forecasts:
Lymans surf forecast from 5 Sep 2026:
- Best quality surf: Sunday 6 Sep, 11PM (local time) - 5ft (1.6m), 12s period, SW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 11PM (local time) - 7ft (2.2m), 13s period, WSW swell with 1,725 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 8AM (local time) - 6ft (1.8m), 12s 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 Saturday (Sep 05) at 8AM. The primary swell is predicted to be 1.8m and 12s period with a secondary swell of 0.3m and 18s. Another secondary swell of 0.4m and 6s 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 2.2m 13s and forecast to arrive on Monday (Sep 07) at 11PM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Monday (Sep 07) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sat 5th Sep) | 6ft (1.8m) 12s |
| Best Surf | 11PM (Sun 6th Sep) | 5ft (1.6m) 12s |
| Most Powerful | 11PM (Mon 7th Sep) | 7ft (2.2m) 13s |
Table - best surf conditions forecast for Lymans over the next 16 days.
The Lowdown
Alright, Rusty here for the imperial crew. Let’s break down Lymans for the next couple weeks.
For Saturday the 5th and Sunday the 6th, it’s a bit of a grind. Swell around 5 to 6 ft from the SSW and SW, winds mainly cross-on or onshore with light breezes. The water temp is about average, nothing crazy. Combined wave energy is moderate to strong (825 to 1049), but the winds keep it from looking good.
Monday the 7th and Tuesday the 8th bring the best early push – swell runs 6 to 7 ft from the WSW and W, period around 11 to 13 seconds. That’s some proper groundswell. Winds are light from the west-northwest, but still onshore or cross-on, so not perfect. Wave energy jumps into the strong range (up to 2068). That’s the top end of the first week.
From Wednesday the 9th, it drops fast. Swell falls under 3 ft, and by the weekend of the 12th it’s barely ankle-high. Mid-week of the 15th and 16th brings very long period swell (18 to 21 seconds) but only 2 to 3 ft – too small to get worked up over. Energy readings are low, mostly 74 to 614, and conditions are poor or marginal.
Your best chance is Thursday the 17th afternoon. Glassy conditions, light wind, and 2 ft of SW swell with a 16-second period. Combined energy jumps to 514 – that’s a solid signal for a clean, fun session. The swell direction isn’t dead on to optimum WNW, but with that long period and glassy surface, it’s the pick of the fortnight. Crowds are possible.
No true standout, but that Thursday the 17th window is the one to circle. First week has size but messy, second week is small and inconsistent. Things can turn quick around here though.
Rusty.
Short Range ForecastLight rain (total 6mm), mostly falling on Sun night. Warm (max 28°C on Sat afternoon, min 26°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 14mm), heaviest on Wed afternoon. Warm (max 28°C on Mon night, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||
Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | Wednesday 9 | Thursday 10 | ||||||||||||||
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 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 13 | WSW 13 | WSW 13 | W 11 | W 11 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SW 17 | SW 18 | SSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 861 | 811 | 646 | 615 | 594 | 689 | 944 | 1110 | 1405 | 1442 | 790 | 599 | 351 | 265 | 253 | 176 | 140 | 154 | 175 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | on | cross | on | cross-on | cross-on | on | cross-on | glassy | on | on | glassy | on | cross | cross-on | cross | cross-on | cross-off |
High Tide | 9:19PM0.26m | 11:45AM0.74m | 11:51PM0.27m | 12:46PM0.78m | 1:04AM0.33m | 1:35PM0.81m | 1:54AM0.40m | 2:16PM0.82m | 2:37AM0.48m | 2:53PM0.80m | 3:17AM0.55m | 3:26PM0.76m | 3:55AM0.62m | ||||||
Low Tide | 3:16AM0.14m | 7:47PM0.20m | 4:55AM0.13m | 8:14PM0.16m | 6:15AM0.11m | 8:40PM0.12m | 7:18AM0.09m | 9:05PM0.09m | 8:11AM0.08m | 9:29PM0.07m | 9:01AM0.09m | 9:53PM0.06m | |||||||
 |  | |  |  |  |  | | | | |  |  | | | | | | | |
 | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — |
 | 6:36 | — | 6:35 | — | — | 6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:31 | — | — | 6:30 | — |
mm | — | — | — | — | — | 3 | 3 | — | — | — | — | 1 | 3 | 2 | 3 | 4 | 1 | — | 1 |
Temp °C | 27 | 27 | 28 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 26 | 26 | 27 | 26 |
Feels °C | 30 | 30 | 31 | 30 | 30 | 30 | 32 | 31 | 31 | 33 | 33 | 32 | 32 | 30 | 32 | 30 | 28 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 13 | WSW 13 | WSW 13 | W 11 | W 11 | WNW 10 | SSW 14 | SSW 13 | SSW 13 | N 5 | S 12 | SSW 16 |
| kJ | 861 | 811 | 646 | 615 | 594 | 689 | 944 | 1110 | 1405 | 1442 | 790 | 599 | 274 | 265 | 253 | 176 | 20 | 77 | 175 |
Swell 2 Height (m) Direction Period (s) | N 6 | NNE 6 | S 12 | S 12 | NNE 6 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 8 | SW 8 | SSW 7 | SSW 7 | SW 7 | SSW 13 | N 7 | SSW 12 |
| kJ | 16 | 14 | 75 | 45 | 13 | 360 | 540 | 719 | 654 | 621 | 543 | 184 | 116 | 68 | 46 | 24 | 131 | 22 | 47 |
Swell 3 Height (m) Direction Period (s) | SSW 20 | S 12 | N 6 | NNE 6 | S 12 | S 12 | NNE 6 | S 8 | NNE 7 | NNE 13 | NE 13 | SSW 14 | SSW 14 | WNW 9 | WNW 9 | NW 10 | SW 17 | SW 18 | SSE 4 |
| kJ | 38 | 48 | 20 | 12 | 44 | 70 | 13 | 116 | 9 | 35 | 42 | 443 | 351 | 106 | 50 | 54 | 140 | 154 | 7 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SSE 5 | SSE 9 | S 6 | S 9 | SSW 8 | — | — | — | — | N 7 | SSE 10 | S 4 | N 6 |
| kJ | — | — | — | — | — | — | 42 | 251 | 151 | 214 | 180 | — | — | — | — | 24 | 35 | 6 | 20 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 49 | 47 | 3 | 49 | 36 | 23 | 49 | 29 | 0 | 99 | 52 | 0 | 22 | 2 | 3 | 22 | 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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