Surf Forecasts:
Lymans surf forecast from 3 Sep 2026:
- Best quality surf: Monday 7 Sep, 8AM (local time) - 10ft (3.0m), 13s period, SW swell with glassy winds.
- Most powerful swell: Monday 7 Sep, 5PM (local time) - 15ft (4.5m), 14s period, SW swell with 7,502 kJ wave energy.
- Next surfable swell (1★+): Saturday 5 Sep, 8AM (local time) - 1ft (0.3m), 18s 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 0.3m and 18s period with a secondary swell of 0.5m and 6s. Another secondary swell of 0.5m and 4s 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 4.5m 14s and forecast to arrive on Monday (Sep 07) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Monday (Sep 07) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sat 5th Sep) | 1ft (0.3m) 18s |
| Best Surf | 8AM (Mon 7th Sep) | 10ft (3.0m) 13s |
| Most Powerful | 5PM (Mon 7th Sep) | 15ft (4.5m) 14s |
Table - best surf conditions forecast for Lymans over the next 16 days.
The Lowdown
Alright, Rusty here, let me walk you through what’s on the table for the next couple weeks.
The water’s about average temp for this time of year, and we’ve got a slow start followed by a couple windows of real action if you’re willing to wait.
From Thursday the 3rd through Friday the 4th, Lymans is dead flat. Swell’s barely 2 feet out of the north, combined energy is weak (29 to 64), and the wind’s cross-on or onshore. Thursday afternoon goes glassy but the wave height just isn’t there.
Saturday the 5th, we get a pulse. Swell jumps to 5 feet from the south-southwest, 12-second period – energy’s at 815, so there’s some weight. But the onshore wind keeps it a marginal call. That’s getting too big for learners.
Sunday the 6th to Monday the 7th, it gets serious. Sunday morning we’ve got nearly 7 feet from the southwest, period up to 13 seconds, energy at 1470. By Sunday afternoon it’s 8 feet (energy 2302), and Monday morning is 10 feet from the southwest with energy at 4283 – big, powerful groundswell. The standout is Monday afternoon, September 7th: 15 feet from the southwest, 14-second period, energy roaring at 8146. That’s a heavy, long-interval groundswell. Lymans being a reef and point, it’ll take that long period well, but this is expert only.
Tuesday the 8th, the swell drops but the wind picks up, making a chop. Still near 7 feet in the morning but cross-shore winds at 25 mph ruin it.
Then from the 9th to the 13th we’re back to tiny and poor. Swell’s mostly under 3 feet, energy in the hundreds. There’s a glassy moment on Friday afternoon the 11th with 2 feet from the south-southwest, 15-second period – surfable but ordinary.
A second small window opens around Monday September 14th with 5 feet from the north-northeast but short period. The real second standout is Tuesday afternoon, September 15th: only 3 feet from the south-southwest, but the period is 20 seconds – that’s a very long groundswell. Combined energy at 766, and the wind is glassy. For a reef and point, that’ll produce clean, lined-up waves with long waits between sets.
So target Monday September 7th for the serious stuff, and Tuesday September 15th for the cleanest, best-shaped waves on offer. The rest, you can sit out.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Thu morning, min 26°C on Thu night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 3mm), mostly falling on Sun afternoon. Warm (max 29°C on Mon afternoon, min 26°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the S by Mon night). | ||||||||||||||||||
Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||
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) | N 7 | N 5 | N 7 | N 6 | N 6 | SSW 20 | SSW 20 | SSW 12 | SSW 12 | SSW 12 | SW 13 | SW 14 | SW 14 | SW 13 | SW 14 | WSW 11 | WNW 11 | SSW 9 | SSW 14 |
Wave Graph  | |||||||||||||||||||
 kJ | 32 | 21 | 33 | 22 | 23 | 38 | 38 | 730 | 660 | 952 | 1457 | 1962 | 2484 | 3581 | 7502 | 1689 | 972 | 449 | 351 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | glassy | glassy | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | glassy |
High Tide | 8:58AM0.68m | 6:47PM0.32m | 10:26AM0.70m | 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 | |||||||
Low Tide | 00:56AM0.09m | 5:18PM0.32m | 1:51AM0.12m | 7:24PM0.25m | 3:16AM0.14m | 7:47PM0.20m | 4:55AM0.13m | 8:14PM0.16m | 6:15AM0.11m | 8:40PM0.12m | 7:18AM0.09m | 9:05PM0.09m | |||||||
 |  |  |  | | | | | | | |  |  |  | | | | | | |
 | — | 6:07 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — |
 | 6:37 | — | 6:37 | — | — | 6:36 | — | — | 6:35 | — | — | 6:34 | — | — | 6:32 | — | — | 6:31 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | — | 3 |
Temp °C | 27 | 28 | 27 | 27 | 27 | 27 | 26 | 28 | 27 | 27 | 28 | 27 | 27 | 27 | 29 | 29 | 29 | 29 | 27 |
Feels °C | 32 | 31 | 30 | 31 | 29 | 30 | 30 | 30 | 29 | 30 | 31 | 30 | 32 | 31 | 31 | 29 | 30 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SSE 13 | SSE 12 | SSE 11 | S 11 | S 11 | S 11 | S 12 | SSW 12 | SSW 12 | SSW 12 | SW 13 | SW 14 | SW 14 | SW 13 | SW 14 | WSW 11 | WNW 11 | SSW 9 | SSW 9 |
| kJ | 351 | 412 | 202 | 345 | 641 | 655 | 710 | 730 | 660 | 952 | 1457 | 1962 | 2484 | 3581 | 7502 | 1689 | 972 | 397 | 243 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | S 13 | N 6 | N 6 | N 6 | N 6 | N 6 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SSW 17 | SSW 16 | SSW 15 | SSW 8 | WNW 10 | SSW 14 |
| kJ | 272 | 261 | 236 | 345 | 23 | 26 | 21 | 21 | 20 | 77 | 96 | 169 | 240 | 702 | 644 | 500 | 550 | 349 | 351 |
Swell 3 Height (m) Direction Period (s) | N 7 | N 5 | N 7 | N 6 | S 21 | SSW 20 | SSW 20 | SSW 18 | SSW 18 | N 6 | NNE 6 | SSW 18 | SSW 17 | — | — | SW 10 | SSW 15 | SSW 14 | WNW 8 |
| kJ | 32 | 21 | 33 | 22 | 9 | 38 | 38 | 64 | 63 | 18 | 13 | 340 | 534 | — | — | 79 | 462 | 449 | 106 |
Wind waves Height (m) Direction Period (s) | — | WNW 9 | NW 3 | — | — | — | — | — | — | — | — | SE 6 | SSE 10 | SSE 10 | SSE 10 | S 9 | — | — | — |
| kJ | — | 8 | 2 | — | — | — | — | — | — | — | — | 83 | 378 | 335 | 473 | 1041 | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 22 | 1 | 1 | 135 | 22 | 3 | 49 | 49 | 3 | 47 | 47 | 47 | 16 | 23 | 36 | 72 | 71 | 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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