Surf Forecasts:
How big are the waves at Mahai'ula Bay today (08 Oct):
- Morning surf: Morning surf (08 Oct, local time) - 2.5ft (0.8m), 17s period with W swell.
- Afternoon surf: Afternoon surf (08 Oct, local time) - 2.5ft (0.8m), 16s period with W swell.
- Evening surf: Evening surf (08 Oct, local time) - 2.5ft (0.8m), 15s period with W swell.
The current surf forecast for Mahai'ula Bay at 11AM is: 0.8m 16s primary swell from a West direction (forecast issued at 07:00am October 08). An open ocean swell of 0.7m 18s is not directed at the surf break, a second open ocean swell of 1.7m 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 (08 Oct) | 2.5ft (0.8m) | 17s |
| Afternoon (08 Oct) | 2.5ft (0.8m) | 16s |
| Evening (08 Oct) | 2.5ft (0.8m) | 15s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Thu morning. Warm (max 29°C on Fri afternoon, min 25°C on Sat night). Winds decreasing (fresh winds from the S on Thu morning, calm by Fri night). | |||||||||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | |||||||||||||||||||||
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 17 | W 17 | W 16 | W 16 | W 15 | W 15 | W 15 | W 14 | W 14 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | W 13 | S 20 | S 19 | S 19 | S 18 | S 18 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 373 | 373 | 314 | 306 | 302 | 381 | 275 | 261 | 257 | 320 | 246 | 232 | 225 | 171 | 171 | 171 | 171 | 166 | 0 | 0 | 0 | 0 | 0 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | on | cross-off | cross-off | glassy | on | glassy | glassy | glassy | cross-on | glassy | cross-off | cross |
High Tide | 2:28AM0.61m | 2:21PM0.66m | 3:02AM0.69m | 2:54PM0.60m | 3:36AM0.75m | 3:25PM0.55m | |||||||||||||||||
Low Tide | 8:20AM0.15m | 8:39PM0.05m | 9:08AM0.15m | 9:01PM0.05m | 9:54AM0.15m | 9:24PM0.04m | |||||||||||||||||
 |  |  | |  |  | |  | | | | | | | | | | |  | | | | | |
 | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | 2 | 1 | — | — | 1 | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 27 | 28 | 29 | 28 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 |
Feels °C | 26 | 26 | 26 | 26 | 28 | 28 | 31 | 30 | 28 | 29 | 30 | 32 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | W 17 | W 17 | W 16 | W 16 | SSW 18 | W 15 | W 15 | SSW 17 | S 5 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | SSW 15 | S 15 | S 15 | SSW 14 | S 14 | S 18 | S 18 |
| kJ | 373 | 373 | 314 | 306 | 522 | 381 | 275 | 399 | 43 | 596 | 555 | 529 | 522 | 620 | 503 | 559 | 365 | 422 | 435 | 350 | 264 | 398 | 620 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | S 18 | S 18 | W 15 | S 18 | SSW 17 | W 14 | W 14 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | W 13 | W 13 | S 20 | S 20 | S 19 | NNE 5 | S 14 | S 14 |
| kJ | 336 | 311 | 307 | 307 | 302 | 304 | 399 | 261 | 257 | 320 | 246 | 232 | 225 | 171 | 171 | 171 | 171 | 477 | 753 | 472 | 36 | 253 | 239 |
Swell 3 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | S 12 | S 12 | S 12 | SSW 17 | S 5 | S 5 | NW 11 | NW 10 | NNE 6 | NE 6 | NNE 6 | NNE 5 | W 13 | N 11 | NNE 5 | S 19 | NNE 5 | NNE 5 |
| kJ | 85 | 84 | 42 | 53 | 37 | 108 | 110 | 108 | 394 | 34 | 20 | 57 | 69 | 32 | 40 | 23 | 19 | 166 | 149 | 37 | 351 | 30 | 22 |
Wind waves Height (m) Direction Period (s) | S 13 | S 5 | S 6 | S 6 | S 6 | S 6 | S 5 | S 6 | — | — | — | N 3 | NNE 3 | SSW 5 | S 5 | — | — | — | — | — | — | — | — |
| kJ | 772 | 168 | 172 | 202 | 141 | 117 | 83 | 74 | — | — | — | 2 | 3 | 11 | 12 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 14 | 18 | 54 | 58 | 57 | 14 | 0 | 11 | 15 | 11 | 36 | 34 | 24 | 0 | 0 | 14 | 0 | 0 | 1 | 34 | 14 | 4 | 4 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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