Surf Forecasts:
Big Beach surf forecast from 15 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 8AM (local time) - 2ft (0.6m), 21s period, SW swell with offshore winds.
- Most powerful swell: Friday 18 Sep, 2AM (local time) - 3ft (0.9m), 18s period, SSW swell with 541 kJ wave energy.
- Next surfable swell (1★+): Tuesday 15 Sep, 8AM (local time) - 2ft (0.6m), 21s 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 Tuesday (Sep 15) at 8AM. The primary swell is predicted to be 0.6m and 21s period. The wind is predicted to be 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 Friday (Sep 18) at 2AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 9s period and expected on Tuesday (Sep 22) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Tue 15th Sep) | 2ft (0.6m) 21s |
| Best Surf | 8AM (Tue 15th Sep) | 2ft (0.6m) 21s |
| Most Powerful | 2AM (Fri 18th Sep) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Big Beach over the next 16 days.
The Lowdown
Alright, listen up. It’s looking pretty sleepy out here for the next couple of weeks. We’ve got a whole lot of small, clean surf but nothing that’s gonna have you doing cartwheels in the parking lot. The first real pulse of size shows up on the 26th, but even that’s not exactly mast-high. Still, the water’s warm and the wind’s mostly offshore or light, so you can still get your fix if you’re keen.
The best window is from the 26th through the 28th. That’s when we see the swell settle into a consistent 3ft with a bit more energy behind it. The juice jumps into the 460-500 range, which is a solid step up from the mid-300s we’ve been dealing with. The direction is SSW, which Big Beach absolutely loves. Winds stay light and cross-off, keeping things clean. It’s not big, but it’s the most rideable stretch in the whole outlook.
Before that, from the 15th to the 25th, it’s a lot of knee-to-thigh high slop. Swell hangs around 2ft to 3ft, with periods in the 15-20 second range. That long period keeps things lined up, especially for a spot like this. The morning sessions on the 16th and 20th see some light offshore winds, which will make the surface glassy and inviting. Don’t expect much oomph, but the waves will be clean and fun for a longboard or a fish.
The 23rd and 24th see the swell drop to 2ft and the energy falls off a cliff, down to the low-200s. That’s weak, gutless stuff. The 30th is worse, with the swell shrinking to 2ft and the energy bottoming out around 127. Slim pickings, folks.
Water temp is a toasty 81° with a +0.5° anomaly. That’s pretty much average for this time of year, so no surprises. Just your typical warm, tropical bathwater.
So, if you’ve got the itch, your best bet is to head to Big Beach (Maui) for the last week of the month. It’s not going to challenge you, but it’ll scratch the itch. The 26th and 27th look like the pick of the days, with the 28th also holding on. Just keep your expectations low on the size and you’ll be smiling.
Rusty
Short Range ForecastLight rain (total 9mm), mostly falling on Thu afternoon. Warm (max 29°C on Wed afternoon, min 26°C on Tue morning). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Fri morning, min 25°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||
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 20 | SW 20 | SW 19 | SSW 18 | SW 18 | SSW 17 | SW 16 | SW 16 | SSW 18 | SSW 16 | SSW 17 | SSW 16 | SSW 15 | SW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 392 | 388 | 376 | 399 | 449 | 381 | 371 | 255 | 541 | 412 | 522 | 390 | 196 | 258 | 346 | 300 | 370 | 331 | 247 | 236 | 178 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | off | off | cross-off | off | off |
High Tide | 4:53PM0.38m | 7:18AM0.45m | 4:37PM0.35m | 8:46AM0.42m | 11:31AM0.42m | 12:44PM0.45m | 1:19PM0.49m | 00:25AM0.24m | 1:45PM0.52m | 1:07AM0.29m | |||||||||||
Low Tide | 12:03PM0.20m | 11:28PM0.03m | 12:57PM0.23m | 11:52PM0.05m | 00:22AM0.08m | 1:27AM0.10m | 4:31AM0.11m | 8:38PM0.15m | 5:56AM0.09m | 8:23PM0.14m | |||||||||||
 |  |  | | | | |  |  | | | | | | | | | | | |  | |
 | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | — | 6:24 | — | — | 6:24 | — | — | 6:23 | — | — | 6:22 | — |
mm | — | — | — | — | — | — | — | 5 | 4 | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 28 | 29 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 28 | 26 | 27 | 28 | 26 | 28 | 28 | 27 |
Feels °C | 31 | 30 | 29 | 31 | 31 | 29 | 30 | 30 | 28 | 29 | 28 | 27 | 30 | 29 | 26 | 28 | 29 | 26 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SW 20 | SW 20 | SW 19 | SSW 18 | SW 18 | E 10 | SW 16 | SW 16 | SSW 18 | SSW 16 | SSW 17 | SSW 16 | SSW 15 | SW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
| kJ | 392 | 388 | 376 | 399 | 449 | 158 | 371 | 255 | 541 | 412 | 522 | 390 | 196 | 258 | 346 | 300 | 370 | 331 | 247 | 236 | 178 |
Swell 2 Height (m) Direction Period (s) | E 12 | E 11 | E 11 | E 10 | E 10 | SSW 17 | SSW 20 | SSW 18 | SSW 18 | SW 18 | SSW 16 | SW 16 | SW 16 | S 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 |
| kJ | 45 | 39 | 56 | 98 | 98 | 381 | 38 | 188 | 61 | 80 | 50 | 125 | 129 | 112 | 113 | 54 | 54 | 33 | 32 | 31 | 30 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SSW 12 | SW 12 | SW 12 | SW 11 | SW 11 | SSW 19 | SW 20 | WSW 8 | WSW 9 | S 20 | W 9 | SSW 18 | S 18 | SSW 14 | S 12 | W 13 | W 12 | W 12 | W 13 | W 12 |
| kJ | 42 | 58 | 38 | 35 | 31 | 19 | 37 | 60 | 7 | 8 | 32 | 2 | 107 | 99 | 61 | 3 | 3 | 3 | 12 | 13 | 11 |
Wind waves Height (m) Direction Period (s) | E 4 | E 4 | E 5 | E 4 | E 5 | ENE 5 | E 10 | E 9 | E 7 | E 7 | E 7 | E 6 | E 8 | E 8 | E 6 | E 8 | E 8 | E 8 | E 6 | E 6 | E 9 |
| kJ | 22 | 22 | 47 | 18 | 50 | 41 | 361 | 521 | 378 | 342 | 318 | 245 | 354 | 311 | 172 | 339 | 291 | 313 | 214 | 293 | 600 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Big Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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.
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