
Surf Forecasts:
Big Beach surf forecast from 10 Sep 2026:
- Best quality surf: Thursday 10 Sep, 11PM (local time) - 2ft (0.6m), 17s period, SSW swell with offshore winds.
- Most powerful swell: Wednesday 16 Sep, 2PM (local time) - 3ft (0.9m), 18s period, SW swell with 449 kJ wave energy.
- Next surfable swell (1★+): Thursday 10 Sep, 11AM (local time) - 1.5ft (0.5m), 16s period with SW swell.
Best Forecast Surf Conditions for Big Beach this week:
The surf forecast for Big Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Thursday (Sep 10) at 11AM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 0.6m and 13s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Big Beach in the next 16 days are 0.9m 18s and forecast to arrive on Wednesday (Sep 16) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.8m 6s period and expected on Thursday (Sep 17) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11AM (Thu 10th Sep) | 1.5ft (0.5m) 16s |
| Best Surf | 11PM (Thu 10th Sep) | 2ft (0.6m) 17s |
| Most Powerful | 2PM (Wed 16th Sep) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Big Beach over the next 16 days.
The Lowdown
Alright, let’s get into it. It’s been a bit slow out there, and honestly, for the next few days, you’re not missing much. We’ve got a stretch of small, weak surf with a lot of cross-off wind, which just makes everything a bit meh. There’s energy out there, but it’s not doing us any favors yet. The water’s sitting at 80°, which is pretty much bang on average for this time of year, so at least it’s comfortable while you’re waiting.
Thursday the 10th kicks things off with a tiny 2ft SW swell, period around 16 seconds, but the combined energy is weak at 264. The ENE wind is cross-off, so it’s clean, but there’s just not enough push to get excited about. It’s surfable, but you’ll be working for every little crumble. Friday’s not much better, still ankle to knee high, and the energy drops a bit.
The weekend is pretty flat, to be honest. Saturday and Sunday, we’re looking at 1ft to 2ft, with the energy in the low 100s to 200s. It’s clean, but it’s a total knee-paddler. You’d be better off finding something else to do. This flat spell runs through Monday the 14th morning, but hold on, because Monday afternoon something shifts.
Monday afternoon the wind goes light offshore from the NE, and the swell, while still small at 2ft, picks up a longer period and the energy jumps to 276. It’s the first sign of life. Then Tuesday the 15th is where it starts to get interesting. Glassy conditions in the morning with a 2ft SW swell, a 20-second period, and the energy is climbing to 392. This is proper groundswell, and it’s going to have some push to it. The afternoon stays clean with a gentle offshore. This is a good window.
Wednesday the 16th keeps that momentum. The swell bumps up to 3ft, period drops slightly to 18 seconds, but the energy is now at 427 in the morning. It’s still clean with a light cross-off, but there’s a risk of a thunderstorm in the afternoon. The energy keeps building into Thursday and Friday, hitting 615 on Friday the 18th, but the wind picks up from the ENE at 16 mph, making it a bit bumpy and the conditions a little more challenging. The swell is around 3ft, but it’s not as clean.
We get a bit of a lull again over the weekend of the 19th and 20th, with the energy backing off and the wind getting a bit stronger in the afternoons. But then Tuesday the 23rd is the standout. It’s glassy in the morning, and by the afternoon it’s dead calm. The swell is 3ft from the SSW with a 17-second period, and the combined energy is a strong 492. This is the best conditions you’ll see in this whole run – clean, glassy, and with some real groundswell to work with. This is your day.
After that, we drift back down. The 24th sees a bit of a cross-on wind from the S, making things a little less inviting. But Friday the 25th brings back the glassy morning with a clean 2ft SW swell and energy at 333. It’s a nice way to end the run, but it doesn’t have the same power as Tuesday.
So, overall, don’t bother with the first week. The standout is Tuesday the 23rd, with that glassy afternoon and solid SSW groundswell. Monday the 15th is also worth a look, but it’s smaller. Just remember, this all being a week or more out, we’ll need to keep an eye on it, but the pattern looks promising. For a beginner, this is all fine, it stays under 3ft. For everyone else, it’s all about the period and the clean conditions.
Rusty
Short Range ForecastMostly dry. Warm (max 27°C on Thu morning, min 24°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Tue morning, min 25°C on Sun morning). 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) | SW 16 | SW 18 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | SW 14 | SW 16 | SSW 15 | SW 15 | SW 14 | SW 14 | SW 22 | SSW 21 | SW 20 | SW 20 | SW 19 | SSW 18 | SW 18 | SSW 17 |
Wave Graph | |||||||||||||||||||||
133 | 155 | 211 | 206 | 183 | 226 | 191 | 91 | 64 | 87 | 54 | 100 | 54 | 227 | 180 | 392 | 388 | 376 | 399 | 449 | 381 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | off | cross-off | glassy | off | off | cross-off | cross-off | off |
High Tide | 3:35PM0.60m | 3:44AM0.47m | 3:58PM0.56m | 4:23AM0.50m | 4:18PM0.52m | 5:02AM0.51m | 4:35PM0.47m | 5:42AM0.50m | 4:48PM0.42m | 6:25AM0.48m | 4:53PM0.38m | 7:18AM0.45m | 4:37PM0.35m | ||||||||
Low Tide | 8:50AM0.01m | 9:44PM0.06m | 9:29AM0.04m | 10:04PM0.04m | 10:07AM0.07m | 10:25PM0.03m | 10:44AM0.11m | 10:45PM0.02m | 11:22AM0.16m | 11:07PM0.02m | 12:03PM0.20m | 11:28PM0.03m | 12:57PM0.23m | 11:52PM0.05m | |||||||
6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | |
— | 6:32 | — | — | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 27 | 27 | 26 | 27 | 27 | 25 | 26 | 26 | 25 | 26 | 27 | 25 | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 29 | 28 | 27 | 29 | 28 | 25 | 28 | 28 | 25 | 27 | 28 | 25 | 29 | 30 | 28 | 32 | 31 | 30 | 31 | 31 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | E 7 | SW 16 | SW 16 | SW 15 | SW 15 | SW 15 | E 9 | SW 13 | E 4 | SW 15 | SW 14 | SW 14 | E 7 | SSW 21 | SW 20 | SW 20 | SW 19 | SSW 18 | SW 18 | SSW 17 |
131 | 96 | 211 | 206 | 183 | 226 | 191 | 45 | 44 | 8 | 54 | 100 | 50 | 24 | 180 | 392 | 388 | 376 | 399 | 449 | 381 | |
Swell 2 Height (m) Direction Period (s) | SW 16 | SSW 13 | SSW 12 | E 11 | E 11 | ENE 10 | E 10 | SW 14 | SW 16 | SSW 12 | SW 12 | ENE 8 | E 7 | SW 22 | E 7 | E 7 | E 11 | SW 12 | SW 12 | SW 11 | SSW 11 |
133 | 127 | 78 | 88 | 85 | 57 | 49 | 91 | 64 | 60 | 37 | 7 | 17 | 227 | 16 | 27 | 39 | 38 | 22 | 19 | 12 | |
Swell 3 Height (m) Direction Period (s) | E 12 | SW 18 | E 11 | SSW 12 | E 4 | SSW 11 | E 4 | SW 16 | S 11 | SSW 15 | ENE 8 | SSW 24 | SSW 24 | SW 14 | SW 13 | E 12 | SW 12 | WSW 8 | WSW 8 | WSW 8 | S 21 |
70 | 155 | 62 | 46 | 9 | 25 | 4 | 66 | 9 | 87 | 14 | 54 | 54 | 49 | 44 | 45 | 38 | 7 | 6 | 6 | 36 | |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 5 | E 4 | ENE 11 | E 4 | ENE 4 | ENE 10 | E 4 | E 8 | ESE 4 | E 4 | ENE 3 | ENE 8 | E 4 | E 4 | E 7 | E 11 | E 8 | E 8 | E 5 |
139 | 166 | 50 | 18 | 245 | 17 | 17 | 129 | 38 | 51 | 5 | 7 | 1 | 94 | 19 | 4 | 70 | 372 | 260 | 266 | 168 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Information about the Big Beach Surf forecast
The above surf forecast table for Big Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Big Beach can be found by selecting the local surf guide option on the grey menu. Our Big Beach 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 (Big Beach) 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 Big Beach 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.
Are you planning a vacation in Maui? If you are looking for accommodation near Big Beach, camping, hotels and condos and appartments in Maui, consider staying in Kihei which is 17 km (11 miles) away. Other places in and around Maui where you can find information about places to rent, and car hire include Wailuku which is 28 km (17 miles) away, Kahului, Lanai - Lanai and Kaunakakai - Molokai.










