Surf Forecasts:
Lymans surf forecast from 10 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 5AM (local time) - 2ft (0.6m), 21s period, SSW swell with glassy winds.
- Most powerful swell: Wednesday 16 Sep, 11AM (local time) - 2.5ft (0.8m), 18s period, SSW swell with 395 kJ wave energy.
- Next surfable swell (1★+): Saturday 12 Sep, 11PM (local time) - 1.5ft (0.4m), 13s 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 12) at 11PM. The primary swell is predicted to be 0.4m and 13s period with a secondary swell of 0.4m and 9s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Lymans in the next 16 days are 0.8m 18s and forecast to arrive on Wednesday (Sep 16) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 5s period and expected on Thursday (Sep 10) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sat 12th Sep) | 1.5ft (0.4m) 13s |
| Best Surf | 5AM (Tue 15th Sep) | 2ft (0.6m) 21s |
| Most Powerful | 11AM (Wed 16th Sep) | 2.5ft (0.8m) 18s |
Table - best surf conditions forecast for Lymans over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s break it down in imperial.
The water temp is sitting at about 82°F, which is just a hair warmer than the usual for this time of year—nothing wild.
Honestly, the outlook for Lymans is a bit of a grind for the first week. From Thursday the 10th through the middle of the following week, it’s mostly a bust. The swell is tiny, often around 1ft to 2ft, and the wind is mostly cross or cross-on, which is a buzzkill. The combined energy is weak, sitting in the low hundreds most of the time, with values like 329 dropping to 122. The surf is too small and choppy to bother with. There’s even some rain and thunderstorms mixed in.
The best shot in the whole 16-day window comes on Friday the 18th. That afternoon, we get a little bump to 3ft from the SW, with a period of 17 seconds. That’s a long-period groundswell, which will bring some real push and shape, especially for a reef and point setup like Lymans. The combined energy hits 653 (moderate energy), and the wind goes glassy. That’s the one to circle. The swell is still small, so it’s good for beginners, and the wind direction is WNW, which is spot on for the break’s optimum.
After that, the surf drops off again, with a few more days of marginal, small stuff. The last few days, around the 23rd to the 25th, see a bit more energy (up to 543) but the wind is still cross-on or onshore, so it won’t be clean. The swell direction is SSW, not the best fit, and the period drops to 14-16 seconds. It’s surfable, but nothing special.
Bottom line: your best bet is that glassy Friday afternoon on the 18th. The rest of the time, you’re better off waiting or hoping the forecast changes.
Rusty
Short Range ForecastModerate rain (total 15mm), heaviest on Thu night. Warm (max 28°C on Thu morning, min 25°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Sun afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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 13 | SW 18 | SW 16 | SSW 16 | SSW 15 | SW 15 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SSW 14 | SW 23 | SW 22 | SSW 21 | SW 20 | SW 19 | SW 19 | SSW 18 | SSW 18 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 170 | 154 | 211 | 166 | 150 | 178 | 66 | 64 | 69 | 104 | 54 | 79 | 137 | 118 | 180 | 309 | 303 | 372 | 395 | 395 | 368 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | cross-on | cross-on | cross-on | on | cross-on | glassy | on | cross-on | cross | on | cross-on | glassy | on | cross-on | glassy | cross-on | on | glassy |
High Tide | 3:26PM0.76m | 3:55AM0.62m | 3:57PM0.70m | 4:32AM0.67m | 4:26PM0.62m | 5:10AM0.70m | 4:53PM0.54m | 5:48AM0.70m | 5:17PM0.47m | 6:30AM0.68m | 5:38PM0.40m | 7:18AM0.65m | 5:51PM0.35m | ||||||||
Low Tide | 9:01AM0.09m | 9:53PM0.06m | 9:48AM0.11m | 10:16PM0.06m | 10:34AM0.15m | 10:39PM0.06m | 11:20AM0.19m | 11:01PM0.07m | 12:10PM0.24m | 11:23PM0.09m | 1:07PM0.28m | 11:47PM0.12m | 2:30PM0.31m | 00:13AM0.14m | |||||||
 |  |  | | |  |  | |  | |  |  | | | | | | | | | | |
 | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — |
 | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | — | 6:24 | — |
mm | 2 | 2 | 5 | 2 | 2 | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 27 | 27 | 26 | 27 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 32 | 30 | 31 | 30 | 29 | 29 | 30 | 29 | 30 | 29 | 30 | 29 | 29 | 30 | 30 | 30 | 29 | 30 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSE 4 | SW 16 | SSW 16 | SSW 15 | SW 15 | SW 14 | SW 16 | SSW 13 | SW 15 | SW 15 | SSW 14 | NNE 8 | SW 22 | SSW 21 | SW 20 | SW 19 | SW 19 | SSW 18 | SSW 18 | SSW 17 |
| kJ | 170 | 16 | 211 | 166 | 150 | 178 | 65 | 64 | 69 | 104 | 54 | 79 | 23 | 118 | 180 | 309 | 303 | 372 | 395 | 395 | 368 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SSW 12 | S 12 | N 5 | SW 9 | NNE 7 | SW 16 | SW 13 | NNE 9 | NNE 9 | NNE 9 | NNE 4 | SW 14 | SW 14 | NNE 8 | NNE 8 | NNE 8 | N 5 | NNE 7 | N 6 | N 7 |
| kJ | 142 | 117 | 71 | 12 | 29 | 18 | 66 | 45 | 30 | 30 | 15 | 6 | 50 | 48 | 21 | 11 | 11 | 13 | 18 | 17 | 23 |
Swell 3 Height (m) Direction Period (s) | NNE 7 | SW 18 | SW 10 | SW 9 | NNE 4 | SW 9 | NNE 8 | NNE 8 | SW 16 | SSE 8 | SE 8 | NNE 8 | SW 23 | NNE 8 | SSE 7 | S 7 | SW 12 | SW 12 | SSE 11 | SSW 11 | SSE 4 |
| kJ | 17 | 154 | 34 | 41 | 7 | 20 | 12 | 13 | 65 | 7 | 10 | 14 | 137 | 22 | 18 | 8 | 38 | 37 | 25 | 12 | 4 |
Wind waves Height (m) Direction Period (s) | SE 4 | SE 5 | — | — | — | — | — | — | — | — | NNE 4 | — | — | — | — | — | — | — | — | W 8 | — |
| kJ | 5 | 32 | — | — | — | — | — | — | — | — | 6 | — | — | — | — | — | — | — | — | 12 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 22 | 22 | 49 | 99 | 99 | 16 | 99 | 16 | 0 | 120 | 16 | 83 | 78 | 79 | 0 | 49 | 16 | 0 | 52 | 47 | 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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