Surf Forecasts:
Big Beach surf forecast from 1 Sep 2026:
- Best quality surf: Monday 7 Sep, 5AM (local time) - 3ft (0.9m), 17s period, SSW swell with offshore winds.
- Most powerful swell: Tuesday 8 Sep, 11AM (local time) - 5ft (1.5m), 15s period, SSW swell with 936 kJ wave energy.
- Next surfable swell (1★+): Tuesday 1 Sep, 2PM (local time) - 2.5ft (0.7m), 18s period with S 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 01) at 2PM. The primary swell is predicted to be 0.7m and 18s period with a secondary swell of 0.5m 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 1.5m 15s and forecast to arrive on Tuesday (Sep 08) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 7s period and expected on Thursday (Sep 03) at 11AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Tue 1st Sep) | 2.5ft (0.7m) 18s |
| Best Surf | 5AM (Mon 7th Sep) | 3ft (0.9m) 17s |
| Most Powerful | 11AM (Tue 8th Sep) | 5ft (1.5m) 15s |
Table - best surf conditions forecast for Big Beach over the next 16 days.
The Lowdown
G’day, Rusty here. Look, to be straight with you, the next 16 days at Big Beach are a mixed bag at best. We’ve got a long run of mediocre conditions in the first week thanks to persistent cross-off winds that mess with the shape, and the swell’s not got any real punch. Don’t get your hopes up for anything firing straight away.
The water’s about 81°, which is spot on average for this time of year, so you won’t need a thick suit.
Starting off Tuesday, the 1st of September, the morning’s a tease. There’s a clean 3ft SSW swell coming in at a long 18 seconds, with a light NNE breeze making it glassy. The wave energy’s moderate (592) and the swell direction is off from the optimum WSW, so it’s a bit wonky. The afternoon drops to 2ft and the wind swings to a 12 mph cross-off from the east, killing the vibe. Wednesday and Thursday are a write-off – moderate cross-off breezes all day, swell under 4ft, and energy dropping into the low hundreds. It’s frustrating.
Friday the 4th finally sees a shift. The morning serves up a clean 5ft S swell with a moderate 12-second period and a clean offshore breeze out of the ENE at 16 mph. Energy’s strong (619) and the wind’s right offshore. The afternoon’s similar at 5ft with an offshore. This is the first real standout. Saturday the 5th keeps the run going with a clean 4ft SSW swell in the morning and a light offshore breeze. Both mornings are looking tidy.
Sunday the 6th is a step down, but Monday the 7th brings a solid return. The morning delivers a clean 3ft SSW swell with a long 17-second period and a light cross-off breeze, but the energy’s surging (787). Then Tuesday the 8th is the absolute best on offer – a 5ft SSW swell with a long 15-second period, light cross-off winds from the ESE, and killer wave energy at 1201. It’s a strong, long-period groundswell, so keep in mind at a beach break it might jack up and close out a bit, but for experienced surfers it’s a proper session. The afternoon stays good with 4ft from the WSW and energy at 1091.
After that, the second week mellows out. Wednesday the 9th still has some clean morning waves at 4ft, then it fades. Thursday the 10th is small with offshore winds, but only 2ft. From Friday the 11th to Monday the 14th it’s mostly small, weak surf with energy under 400, and conditions are just ordinary. The 15th and 16th see a tiny bump from a very long-period SSW swell (21 seconds on the 15th morning), but it’s only 2ft to 3ft, so more a longboard wave than anything punchy. The afternoons on the 15th and 16th are okay but nothing special.
Best bet: get out Friday the 4th morning or Tuesday the 8th morning for the cleanest, most powerful waves of the run. Tuesday the 8th is the clear standout.
Rusty.
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 25°C on Wed night). Winds increasing (light winds from the NNE on Tue morning, fresh winds from the ENE by Thu afternoon). | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sat afternoon, min 25°C on Fri morning). Mainly fresh winds. | ||||||||||||||||||||
Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | |||||||||||||||
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 18 | S 18 | S 17 | S 16 | S 16 | S 15 | S 15 | S 13 | S 12 | S 12 | S 11 | SSW 11 | SSW 11 | SSW 12 | SW 11 | SW 11 | SSW 19 | SSW 18 | SSW 17 | SSW 16 | SSW 15 |
Wave Graph | |||||||||||||||||||||
528 | 311 | 443 | 422 | 391 | 275 | 212 | 423 | 594 | 607 | 510 | 531 | 340 | 414 | 224 | 194 | 271 | 432 | 596 | 582 | 494 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 5:21PM0.42m | 7:37AM0.45m | 5:16PM0.38m | 9:24AM0.45m | 11:43AM0.48m | 12:54PM0.54m | 1:38PM0.58m | 00:39AM0.26m | 2:12PM0.61m | 1:38AM0.31m | |||||||||||
Low Tide | 11:49AM0.18m | 00:08AM0.02m | 12:45PM0.23m | 00:47AM0.03m | 1:46AM0.04m | 3:29AM0.05m | 5:16AM0.04m | 8:52PM0.15m | 6:28AM0.02m | 8:53PM0.13m | |||||||||||
6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | |
— | 6:40 | — | — | 6:39 | — | — | 6:38 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:36 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 28 | 28 | 27 | 27 | 28 | 26 | 27 | 28 | 25 | 27 | 27 | 26 | 27 | 28 | 26 | 28 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 30 | 29 | 28 | 27 | 27 | 25 | 26 | 27 | 23 | 26 | 27 | 25 | 28 | 29 | 27 | 30 | 28 | 27 | 30 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | S 18 | S 17 | S 16 | S 16 | S 15 | S 15 | S 13 | S 12 | S 12 | S 11 | SSW 11 | E 13 | E 13 | E 13 | E 13 | E 12 | ENE 12 | ENE 12 | ENE 11 | SSW 15 |
528 | 311 | 443 | 422 | 391 | 275 | 212 | 423 | 594 | 607 | 510 | 531 | 673 | 891 | 986 | 912 | 746 | 569 | 569 | 320 | 494 | |
Swell 2 Height (m) Direction Period (s) | SW 14 | S 12 | S 10 | S 10 | E 14 | S 11 | S 13 | E 16 | E 14 | E 14 | SW 20 | SSW 20 | SSW 11 | SSW 12 | SW 11 | SW 11 | SW 11 | SW 11 | SSW 17 | SSW 16 | WSW 12 |
52 | 49 | 18 | 33 | 62 | 36 | 84 | 80 | 329 | 452 | 16 | 38 | 340 | 414 | 224 | 194 | 224 | 220 | 596 | 582 | 285 | |
Swell 3 Height (m) Direction Period (s) | W 12 | SW 14 | SW 14 | E 14 | S 11 | SSW 13 | SSW 13 | SW 13 | SW 18 | SW 18 | — | SSW 20 | S 12 | S 12 | S 12 | SW 16 | SSW 19 | SSW 18 | SW 11 | SW 12 | SSW 10 |
12 | 53 | 51 | 66 | 21 | 17 | 17 | 7 | 12 | 12 | — | 38 | 75 | 44 | 71 | 124 | 271 | 432 | 191 | 268 | 98 | |
Wind waves Height (m) Direction Period (s) | E 8 | E 5 | E 6 | E 6 | E 7 | E 6 | E 7 | E 7 | E 6 | E 6 | E 14 | E 14 | E 5 | ENE 5 | ENE 13 | ENE 13 | ENE 5 | E 4 | ENE 4 | E 4 | ENE 11 |
205 | 152 | 209 | 335 | 331 | 346 | 495 | 364 | 284 | 253 | 1371 | 1313 | 27 | 35 | 1452 | 1202 | 37 | 16 | 10 | 6 | 415 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 11 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Maui | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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.











