Surf Forecasts:
How big are the waves at Mahai'ula Bay today (14 Jul):
- Morning surf: Morning surf (14 Jul, local time) - 2ft (0.6m), 18s period with W swell.
- Afternoon surf: Afternoon surf (14 Jul, local time) - 2.5ft (0.7m), 17s period with W swell.
- Evening surf: Evening surf (14 Jul, local time) - 2.5ft (0.8m), 17s period with W swell.
The current surf forecast for Mahai'ula Bay at 4AM is: 0.6m 18s primary swell from a West direction (forecast issued at 01:00am July 14). An open ocean swell of 0.7m 14s is not directed at the surf break, a second open ocean swell of 0.7m 7s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Jul) | 2ft (0.6m) | 18s |
| Afternoon (14 Jul) | 2.5ft (0.7m) | 17s |
| Evening (14 Jul) | 2.5ft (0.8m) | 17s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Tue morning. Warm (max 27°C on Thu afternoon, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 14 | Wednesday 15 | Thursday 16 | ||||||||||||||||||||||
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 | 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) | W 18 | W 18 | W 18 | W 16 | W 17 | W 16 | W 17 | W 17 | W 17 | W 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 230 | 230 | 238 | 131 | 270 | 267 | 351 | 364 | 351 | 322 | 411 | 406 | 406 | 400 | 395 | 385 | 380 | 380 | 370 | 360 | 355 | 355 | 355 | 280 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-on | cross-on | on | cross-on | cross | cross-off | cross | glassy | cross | cross-on | on | cross-on | cross-off | cross | glassy | cross-on | glassy | glassy | cross-on | cross-on | cross-on | cross | cross |
High Tide | 3:37AM0.34m | 4:24PM0.95m | 4:28AM0.37m | 5:04PM0.91m | 5:19AM0.41m | 5:42PM0.85m | ||||||||||||||||||
Low Tide | 9:03AM-0.02m | 11:30PM0.09m | 9:53AM0.01m | 00:05AM0.08m | 10:42AM0.06m | |||||||||||||||||||
 | |  |  |  | |  |  | | | | | | | | | | | | | | | | | |
 | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:06 | — | — |
mm | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 25 | 24 | 25 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 28 | 26 | 27 | 28 | 28 | 27 | 26 | 27 | 27 | 25 | 25 | 27 | 28 | 27 | 27 | 28 | 27 | 28 | 29 | 28 | 29 | 29 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | W 16 | W 17 | W 17 | W 17 | W 16 | WNW 16 | WNW 16 | WNW 16 | WNW 16 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 15 | WNW 14 |
| kJ | 206 | 200 | 197 | 194 | 191 | 267 | 351 | 364 | 351 | 322 | 411 | 406 | 406 | 400 | 395 | 385 | 380 | 380 | 370 | 360 | 355 | 355 | 355 | 280 |
Swell 2 Height (m) Direction Period (s) | NNE 7 | NNE 7 | W 18 | NNE 7 | W 17 | SW 14 | NNE 7 | NNE 8 | SSW 17 | SSW 17 | SSW 13 | SSW 13 | SW 12 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | S 7 | SSW 13 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 |
| kJ | 41 | 41 | 238 | 27 | 270 | 186 | 62 | 50 | 200 | 202 | 111 | 111 | 71 | 43 | 59 | 54 | 43 | 39 | 111 | 31 | 42 | 53 | 53 | 57 |
Swell 3 Height (m) Direction Period (s) | W 18 | W 18 | NNE 7 | W 16 | NNE 7 | NNE 4 | SSW 13 | SSW 13 | NNE 8 | SSW 13 | SSW 18 | SSW 18 | SSW 15 | SW 14 | SW 15 | SW 15 | SW 16 | SW 13 | S 7 | SW 12 | SSW 13 | SSW 14 | SSW 18 | SSW 18 |
| kJ | 230 | 230 | 26 | 131 | 29 | 12 | 151 | 111 | 37 | 109 | 204 | 204 | 84 | 206 | 229 | 229 | 201 | 84 | 26 | 73 | 109 | 131 | 243 | 240 |
Wind waves Height (m) Direction Period (s) | — | — | N 7 | N 7 | — | — | SSE 6 | S 2 | S 3 | — | NNW 2 | NNE 7 | NNE 7 | — | — | S 8 | S 3 | NNE 7 | NNE 7 | N 4 | — | — | — | — |
| kJ | — | — | 23 | 23 | — | — | 3 | 1 | 3 | — | 1 | 18 | 30 | — | — | 31 | 6 | 30 | 57 | 6 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 19 | 18 | 0 | 36 | 24 | 0 | 0 | 19 | 19 | 4 | 36 | 34 | 36 | 19 | 18 | 4 | 0 | 0 | 36 | 36 | 14 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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