Surf Forecasts:
How big are the waves at Big Beach today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 2.5ft (0.8m), 17s period with SSW swell.
- Evening surf: Evening surf (18 Sep, local time) - 3ft (0.9m), 17s period with SSW swell.
The current surf forecast for Big Beach at 2AM is: 0.9m 18s primary swell from a South-southwest direction and 0.3m 18s secondary swell from a South-southwest direction (forecast issued at 07:00pm September 17). An open ocean swell of 1.9m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 3ft (0.9m) | 16s |
| Afternoon (18 Sep) | 2.5ft (0.8m) | 17s |
| Evening (18 Sep) | 3ft (0.9m) | 17s |
Table - waves today at Big Beach. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Thu night. Warm (max 29°C on Sun afternoon, min 26°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||
5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 16 | SSW 16 | SSW 16 | SSW 18 | SW 18 | SSW 16 | SSW 16 | SW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 16 | SSW 16 | SSW 16 |
Wave Graph  | |||||||||||||||||||
 kJ | 255 | 326 | 458 | 541 | 449 | 427 | 412 | 305 | 522 | 516 | 504 | 390 | 266 | 314 | 196 | 188 | 258 | 273 | 346 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:31AM0.42m | 12:44PM0.45m | |||||||||||||||||
Low Tide | 00:22AM0.08m | 1:27AM0.10m | |||||||||||||||||
 |  | | | |  |  | | |  | | |  | | | | | | | |
 | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | 6:25 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — |
mm | 2 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 29 | 30 | 28 | 28 | 26 | 27 | 28 | 29 | 29 | 27 | 28 | 27 | 26 | 26 | 29 | 27 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SSW 16 | SSW 16 | SSW 18 | SW 18 | SSW 16 | SSW 16 | SW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SW 16 | SSW 16 | SSW 16 |
| kJ | 255 | 326 | 458 | 541 | 449 | 427 | 412 | 305 | 522 | 516 | 504 | 390 | 266 | 314 | 196 | 188 | 258 | 273 | 346 |
Swell 2 Height (m) Direction Period (s) | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SW 18 | SW 18 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 15 | SSW 16 | SW 16 |
| kJ | 188 | 110 | 61 | 61 | 168 | 152 | 80 | 216 | 50 | 51 | 51 | 125 | 127 | 93 | 129 | 127 | 112 | 169 | 119 |
Swell 3 Height (m) Direction Period (s) | SW 20 | SSW 20 | WSW 10 | WSW 8 | WSW 8 | WSW 9 | W 9 | W 9 | S 20 | S 5 | W 9 | W 9 | SSW 19 | S 5 | SSW 18 | S 18 | S 18 | S 6 | SSW 14 |
| kJ | 60 | 37 | 10 | 7 | 7 | 8 | 6 | 7 | 32 | 2 | 6 | 2 | 69 | 2 | 107 | 158 | 99 | 3 | 36 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 8 | E 8 | E 8 | E 6 | E 6 | E 8 | E 8 | E 8 |
| kJ | 413 | 498 | 414 | 282 | 275 | 312 | 312 | 252 | 245 | 291 | 311 | 417 | 390 | 439 | 302 | 291 | 392 | 400 | 401 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | 0 | 0 | 0 | 2 | 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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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
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