Surf Forecasts:
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 1.5ft (0.5m) | 7s |
| Afternoon (19 Sep) | - | - |
| Evening (19 Sep) | 1.5ft (0.4m) | 8s |
Table - waves today at Mahai'ula Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Mon afternoon, min 26°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||
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) | N 7 | SW 17 | SSW 16 | SSW 16 | N 5 | N 7 | W 9 | SW 16 | SSW 17 | WSW 8 | SSW 16 | SSW 16 | SW 15 | SSW 15 | W 8 | SW 15 | SW 15 | SW 15 | SW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 32 | 0 | 0 | 0 | 14 | 21 | 14 | 0 | 0 | 24 | 0 | 0 | 77 | 0 | 5 | 75 | 75 | 75 | 33 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | glassy | cross | cross-off | glassy | cross-on | on | glassy | cross-off | glassy | cross | cross-off | glassy | glassy | cross-on | glassy | cross | cross-off |
High Tide | 11:11AM0.62m | 11:51PM0.27m | 12:12PM0.65m | ||||||||||||||||
Low Tide | 2:02AM0.21m | 7:43PM0.22m | 4:05AM0.22m | 7:52PM0.19m | |||||||||||||||
 |  | |  | |  |  | | | | | | | | | | | | | |
 | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 32 | 30 | 31 | 29 | 28 | 30 | 31 | 30 | 31 | 32 | 31 | 29 | 27 | 29 | 32 | 32 | 30 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 7 | SSW 16 | SSW 16 | SSW 15 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | NNE 6 | NNE 6 |
| kJ | 73 | 57 | 366 | 344 | 322 | 38 | 56 | 70 | 70 | 346 | 346 | 432 | 421 | 385 | 365 | 365 | 365 | 72 | 70 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SW 17 | NNE 7 | NNE 6 | NNE 6 | SSW 15 | SW 16 | SW 16 | SSW 17 | NNE 7 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | SSW 15 | SSW 14 |
| kJ | 298 | 284 | 50 | 42 | 31 | 174 | 203 | 203 | 414 | 50 | 47 | 53 | 37 | 36 | 48 | 48 | 62 | 355 | 341 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | S 18 | SSW 15 | SSW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 208 | 276 | 132 | 129 | 124 | 129 | 225 | 121 | 169 | 124 | 118 | 110 | 77 | 53 | 54 | 75 | 75 | 75 | 33 |
Wind waves Height (m) Direction Period (s) | N 7 | — | S 4 | S 3 | N 5 | N 7 | W 9 | S 6 | SSW 3 | WSW 8 | — | — | — | — | W 8 | — | — | — | W 8 |
| kJ | 32 | — | 6 | 3 | 14 | 21 | 14 | 6 | 2 | 24 | — | — | — | — | 5 | — | — | — | 6 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 1 | 18 | 1 | 19 | 1 | 1 | 1 | 34 | 1 | 1 | 1 | 19 | 0 | 11 | 100 | 100 | 0 | 19 | 1 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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