Surf Forecasts:
Big Beach surf forecast from 22 Jul 2026:
- Best quality surf: Wednesday 22 Jul, 8AM (local time) - 2ft (0.6m), 24s period, SSW swell with offshore winds.
- Most powerful swell: Saturday 25 Jul, 5PM (local time) - 3.5ft (1.0m), 18s period, SSW swell with 670 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 8PM (local time) - 3ft (0.9m), 14s 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 (Jul 21) at 8PM. The primary swell is predicted to be 0.9m and 14s 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 1.0m 18s and forecast to arrive on Saturday (Jul 25) at 5PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.2m 6s period and expected on Friday (Jul 24) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Tue 21st Jul) | 3ft (0.9m) 14s |
| Best Surf | 8AM (Wed 22nd Jul) | 2ft (0.6m) 24s |
| Most Powerful | 5PM (Sat 25th Jul) | 3.5ft (1.0m) 18s |
Table - best surf conditions forecast for Big Beach over the next 16 days.
The Lowdown
Alright, let's have a look at the coming couple of weeks for Big Beach.
Water temp's around 80°, so it's about standard for this time of year. We've got a stretch of small, clean, surfable waves kicking off on July 21st.
Tuesday the 21st starts things off with 3ft swell from the S, period about 14 seconds. It’s clean with a light cross-off breeze. Energy’s moderate at 416. Nothing to write home about, but it’s ridable.
Wednesday the 22nd morning drops to 2ft but the period jumps way up to 24 seconds – that's a long-period groundswell from the SSW. With offshore ENE wind at 9 mph, it’ll be super clean. Energy jumps to 645. That morning window is the pick for a patient, glassy session with real shape.
Thursday the 23rd holds around 3-3ft with 20-second period, still from the SSW. Winds stay cross-off, keeping it clean. Energy’s up in the 750-779 range. Solid run of small but quality swell.
The standout is Saturday the 25th. The morning has 3ft swell, but the afternoon is the real deal: 3ft from the SSW, 18-second period, with true offshore wind from the NE at 12 mph. Energy’s at 732. That’s going to be the cleanest, best-shaped day in the whole window.
Sunday the 26th and Monday the 27th keep the fun alive with 3-3ft and offshore winds, but the period drops, losing some punch.
Then we hit a lull from Tuesday the 28th through Thursday the 30th. Swell drops to 2-3ft, period drops to 12-14 seconds, and things get “very ordinary.” Energy falls below 250. Glassy mornings on the 28th and 30th are nice, but the waves are flat.
Friday the 31st tries to revive things with a new 3ft swell from the W, period around 14 seconds, energy back up to 518. Still cross-off, but surfable.
From August 1st through the 5th, it’s weak and small. Swell hangs around 2-2ft. A couple glassy mornings, but nothing worth chasing. That early August stretch is a real quiet period, barely breaking waist-high.
Overall, Saturday the 25th afternoon is your best shot. Smaller but cleaner and more powerful than the rest. Keep that one marked.
- Rusty
Short Range ForecastMostly dry. Warm (max 27°C on Wed afternoon, min 24°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Fri afternoon, min 23°C on Fri night). Wind will be generally light. | |||||||||||||||||||
Tue 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | ||||||||||||||
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) | S 14 | S 13 | SSW 24 | SSW 23 | SSW 22 | SSW 20 | SSW 20 | SSW 18 | SSW 18 | SSW 17 | SSW 20 | SSW 19 | SSW 18 | SSW 18 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 311 | 273 | 437 | 426 | 616 | 523 | 507 | 578 | 418 | 344 | 407 | 502 | 670 | 662 | 463 | 452 | 329 | 288 | 284 | 213 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | off |
High Tide | 7:05PM0.36m | 1:01PM0.42m | 1:48PM0.47m | 2:22PM0.51m | 2:51PM0.54m | 00:40AM0.25m | 3:19PM0.56m | 1:39AM0.27m | 3:46PM0.59m | 2:23AM0.29m | ||||||||||
Low Tide | 3:25PM0.25m | 3:34AM0.06m | 4:32AM0.05m | 5:34AM0.03m | 6:30AM0.02m | 9:48PM0.17m | 7:16AM-0.01m | 9:54PM0.16m | 7:56AM-0.02m | 10:10PM0.15m | ||||||||||
 |  | |  |  | | | | | | | | | | | | | | | | |
 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — |
 | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:07 | — | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 25 | 26 | 27 | 25 | 27 | 27 | 25 | 25 | 27 | 25 | 26 | 27 | 25 | 26 | 26 | 25 |
Feels °C | 27 | 28 | 26 | 27 | 24 | 25 | 26 | 24 | 27 | 26 | 24 | 25 | 26 | 25 | 26 | 27 | 25 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 13 | S 13 | E 12 | SSW 22 | SSW 20 | SSW 20 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | E 8 | SSW 18 | SSW 18 | E 16 | E 16 | E 15 | E 14 | E 14 | E 14 |
| kJ | 311 | 273 | 125 | 319 | 616 | 523 | 507 | 578 | 418 | 344 | 302 | 146 | 670 | 662 | 678 | 796 | 706 | 682 | 779 | 880 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | E 12 | SSW 24 | S 13 | S 12 | S 12 | S 13 | S 13 | S 12 | S 12 | SSW 20 | SSW 19 | S 11 | E 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 105 | 102 | 437 | 209 | 143 | 127 | 170 | 165 | 148 | 106 | 407 | 502 | 62 | 222 | 463 | 452 | 329 | 288 | 284 | 213 |
Swell 3 Height (m) Direction Period (s) | E 13 | SSW 26 | S 11 | SSW 23 | SW 17 | SSW 16 | SSW 16 | E 18 | ENE 10 | S 21 | S 12 | SSW 16 | E 13 | SSW 11 | SW 10 | SW 10 | SW 9 | SW 9 | SW 10 | SW 9 |
| kJ | 55 | 224 | 83 | 426 | 107 | 100 | 102 | 6 | 19 | 329 | 101 | 223 | 54 | 39 | 36 | 33 | 29 | 21 | 14 | 13 |
Wind waves Height (m) Direction Period (s) | E 5 | E 6 | E 6 | E 12 | E 5 | E 6 | E 6 | E 6 | E 7 | E 6 | E 6 | ENE 8 | E 8 | E 6 | E 8 | E 8 | E 5 | E 7 | E 5 | E 5 |
| kJ | 65 | 100 | 157 | 555 | 124 | 205 | 167 | 245 | 168 | 390 | 166 | 202 | 146 | 117 | 135 | 160 | 87 | 86 | 44 | 34 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 11 | 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.
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