Surf Forecasts:
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | - | - |
| Afternoon (18 Sep) | 1.5ft (0.5m) | 3s |
| Evening (18 Sep) | - | - |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri night. Warm (max 29°C on Fri afternoon, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | ||||||||||||||||||||||
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) | WNW 8 | SSW 17 | SSW 16 | SSW 17 | NW 3 | N 7 | SW 17 | SSW 16 | SSW 16 | N 5 | SSW 15 | SW 16 | SW 3 | N 6 | SW 16 | SSW 16 | SSW 16 | WNW 8 | N 6 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 24 | 0 | 0 | 0 | 4 | 32 | 0 | 0 | 0 | 19 | 0 | 159 | 3 | 27 | 0 | 0 | 0 | 14 | 23 | 0 | 0 | 75 | 75 | 33 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-off | cross-off | on | cross-on | glassy | cross-off | cross | cross | cross-off | cross-off | on | on | cross-off | glassy | glassy | cross | glassy | glassy | glassy | on | glassy | cross | glassy |
High Tide | 9:47AM0.61m | 11:11AM0.62m | 11:51PM0.27m | 12:12PM0.65m | ||||||||||||||||||||
Low Tide | 00:53AM0.18m | 2:02AM0.21m | 7:43PM0.22m | 4:05AM0.22m | 7:52PM0.19m | |||||||||||||||||||
 |  |  |  | | | | |  | | | | | | | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 1 | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 28 | 28 | 29 | 29 | 28 | 27 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 26 | 26 | 27 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 30 | 31 | 32 | 30 | 31 | 34 | 30 | 29 | 28 | 28 | 29 | 31 | 31 | 31 | 32 | 31 | 30 | 30 | 31 | 31 | 31 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | SSW 18 | SSW 17 | SSW 16 | SSW 17 | NNE 7 | NNE 7 | NNE 7 | SSW 16 | SSW 16 | SSW 15 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | SSW 16 | SSW 16 | SSW 15 | NNE 6 | NNE 6 | SSW 15 | SSW 15 | SSW 14 |
| kJ | 534 | 448 | 422 | 381 | 66 | 73 | 73 | 366 | 344 | 322 | 46 | 55 | 68 | 50 | 75 | 73 | 432 | 421 | 385 | 51 | 66 | 365 | 355 | 341 |
Swell 2 Height (m) Direction Period (s) | NNE 7 | SW 18 | NNE 7 | NNE 7 | SW 17 | SW 17 | SW 17 | NNE 7 | NNE 7 | NNE 7 | SSW 15 | S 18 | SW 16 | SSW 17 | SW 16 | SSW 16 | NNE 6 | NNE 6 | NNE 6 | SSW 15 | SSW 15 | NNE 6 | NNE 6 | SW 15 |
| kJ | 68 | 152 | 59 | 51 | 302 | 298 | 284 | 50 | 50 | 38 | 174 | 225 | 203 | 385 | 203 | 346 | 55 | 44 | 44 | 365 | 365 | 60 | 66 | 33 |
Swell 3 Height (m) Direction Period (s) | SW 8 | SSE 5 | SW 18 | S 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | S 4 | S 4 | SW 16 | SW 16 | SSW 15 | SW 16 | S 16 | SW 16 | SW 15 | S 4 | S 4 | SW 15 | SW 15 | SW 15 | SW 15 | W 12 |
| kJ | 18 | 8 | 152 | 139 | 211 | 208 | 208 | 132 | 17 | 9 | 129 | 159 | 121 | 124 | 195 | 118 | 112 | 7 | 5 | 54 | 54 | 75 | 75 | 3 |
Wind waves Height (m) Direction Period (s) | WNW 8 | NNE 7 | — | S 4 | NW 3 | N 7 | — | S 4 | — | N 5 | — | S 8 | SW 3 | N 6 | — | S 5 | S 4 | WNW 8 | N 6 | — | SSE 6 | SSE 3 | — | NNE 6 |
| kJ | 24 | 56 | — | 3 | 4 | 32 | — | 12 | — | 19 | — | 34 | 3 | 27 | — | 7 | 9 | 14 | 23 | — | 6 | 3 | — | 70 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 32 | 1 | 1 | 34 | 32 | 1 | 1 | 32 | 11 | 11 | 1 | 100 | 34 | 1 | 1 | 1 | 19 | 11 | 1 | 100 | 100 | 0 | 4 | 4 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
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)
Ocean Swells (m)- Wind Speed (km/h)
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