Surf Forecasts:
Big Beach surf forecast from 13 Sep 2026:
- Best quality surf: Monday 14 Sep, 5PM (local time) - 1.5ft (0.5m), 22s period, SW swell with offshore winds.
- Most powerful swell: Friday 18 Sep, 2AM (local time) - 3ft (0.9m), 18s period, SSW swell with 547 kJ wave energy.
- Next surfable swell (1★+): Sunday 13 Sep, 8AM (local time) - 2ft (0.6m), 15s period with SSW 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 Sunday (Sep 13) at 8AM. The primary swell is predicted to be 0.6m and 15s 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 cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 6s period and expected on Thursday (Sep 17) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 13th Sep) | 2ft (0.6m) 15s |
| Best Surf | 5PM (Mon 14th Sep) | 1.5ft (0.5m) 22s |
| 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, let’s talk surf. Big Beach is looking pretty flat for the next couple of weeks, and the water’s at 81°, which is normal for this time of year.
For the first few days, from Sunday the 13th through Monday the 14th, we’ve got tiny swell, around 2 to 2 feet. Monday afternoon has a slight bump to 2 feet with a nicer period, and that light offshore wind will keep things clean. Still, it’s very small.
Tuesday the 15th has a touch more energy – 3 feet, but still weak to moderate. Light cross-off winds, so the surface should be okay, but the waves are marginal.
Wednesday the 16th through Friday the 18th, the swell pushes up slightly to 3 feet, but the period drops to the 16-18 second range. It’s cleaner with the cross-off winds, but the energy is still modest, nothing special.
The weekend of the 20th and 21st is similar – 3 to 3 feet, but the period keeps dropping. The 21st morning has a bit more offshore, so it might look glassy, but the waves are still marginal.
From the 22nd through the 25th, it fades further. We’re down to 2 feet or less, with energy dropping significantly. Some days are clean, but the surf is poor – really poor on the 24th and 25th.
The 26th and 27th stay small and weak, with poor conditions on the 27th. The 28th picks up slightly to 2 feet, but the period drops to 18 seconds, which at this size means nothing.
So, to be straight with you: there’s no standout window. The best you might get is Monday the 14th afternoon or Tuesday the 15th morning – a few clean, knee-to-waist high waves on a longboard. It’s not going to be memorable.
Keep the board close, but don’t hold your breath.
- Rusty
Short Range ForecastMostly dry. Warm (max 28°C on Tue morning, min 25°C on Sun morning). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Thu night. Warm (max 29°C on Wed afternoon, min 26°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | |||||||||||||||
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 15 | SW 15 | SW 14 | SW 14 | SW 22 | SSW 21 | SW 20 | SW 20 | SW 19 | SSW 18 | SW 18 | SSW 17 | SSW 16 | SW 16 | SSW 18 | SSW 16 | SSW 17 | SSW 16 | SSW 15 | SW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 60 | 54 | 100 | 54 | 227 | 180 | 392 | 388 | 376 | 399 | 449 | 381 | 326 | 255 | 547 | 412 | 522 | 390 | 196 | 258 | 350 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | off | off | cross-off | cross-off | off | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off |
High Tide | 4:35PM0.47m | 5:42AM0.50m | 4:48PM0.42m | 6:25AM0.48m | 4:53PM0.38m | 7:18AM0.45m | 4:37PM0.35m | 8:46AM0.42m | 11:31AM0.42m | 12:44PM0.45m | |||||||||||
Low Tide | 10:44AM0.11m | 10:45PM0.02m | 11:22AM0.16m | 11:07PM0.02m | 12:03PM0.20m | 11:28PM0.03m | 12:57PM0.23m | 11:52PM0.05m | 00:22AM0.08m | 1:27AM0.10m | 4:31AM0.11m | ||||||||||
 | |  | |  | | | | | | | | |  |  | | |  | | | | |
 | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — |
 | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | — | 6:24 | — | — | 6:24 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 7 | 1 | 1 | — | — | — | — |
Temp °C | 27 | 27 | 25 | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 29 | 27 | 28 | 28 | 27 | 28 | 28 | 27 | 28 | 27 | 27 |
Feels °C | 29 | 28 | 25 | 29 | 29 | 27 | 31 | 31 | 28 | 29 | 31 | 28 | 30 | 30 | 29 | 29 | 29 | 28 | 31 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | E 4 | SW 15 | SW 14 | SW 14 | SSW 14 | SSW 21 | SW 20 | SW 20 | SW 19 | SSW 18 | SW 18 | SSW 17 | SSW 16 | SW 16 | SSW 18 | SSW 16 | SSW 17 | SSW 16 | SSW 15 | SW 16 | SSW 16 |
| kJ | 7 | 54 | 100 | 50 | 76 | 180 | 392 | 388 | 376 | 399 | 449 | 381 | 326 | 255 | 547 | 412 | 522 | 390 | 196 | 258 | 350 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SW 12 | SSW 24 | SSW 23 | SW 22 | SSW 13 | E 12 | E 11 | E 11 | SW 12 | SW 11 | SW 11 | SSW 20 | SSW 18 | SSW 18 | SW 18 | SSW 16 | SW 16 | SW 16 | S 15 | SW 15 |
| kJ | 60 | 37 | 54 | 54 | 227 | 68 | 45 | 39 | 56 | 35 | 31 | 19 | 38 | 188 | 61 | 80 | 50 | 125 | 129 | 112 | 113 |
Swell 3 Height (m) Direction Period (s) | SW 15 | ENE 8 | S 10 | SSW 11 | WSW 9 | E 13 | SW 13 | SW 12 | SW 12 | WSW 8 | SW 8 | S 8 | SSW 19 | SW 20 | W 8 | W 9 | S 21 | W 9 | SSW 18 | SSW 18 | SSW 14 |
| kJ | 57 | 14 | 8 | 12 | 7 | 30 | 42 | 38 | 38 | 6 | 3 | 1 | 37 | 60 | 6 | 6 | 34 | 2 | 107 | 106 | 61 |
Wind waves Height (m) Direction Period (s) | E 4 | ESE 4 | E 4 | E 4 | E 6 | E 5 | E 4 | E 4 | E 5 | E 10 | E 6 | E 10 | E 6 | E 9 | E 6 | E 7 | E 8 | E 7 | E 8 | E 8 | E 8 |
| kJ | 6 | 5 | 22 | 10 | 18 | 28 | 15 | 22 | 76 | 290 | 185 | 379 | 304 | 695 | 390 | 342 | 408 | 342 | 428 | 427 | 428 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 11 | 0 | 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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