Surf Forecasts:
How big are the waves at Honokohau Harbour today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2ft (0.6m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 1.5ft (0.5m), 16s period with SW swell.
- Evening surf: Evening surf (21 Aug, local time) - 2.5ft (0.7m), 16s period with SW swell.
The current surf forecast for Honokohau Harbour at 4AM is: 0.7m 17s primary swell from a Southwest direction and 0.5m 10s secondary swell from a West direction (forecast issued at 07:00pm August 20). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2ft (0.6m) | 16s |
| Afternoon (21 Aug) | 1.5ft (0.5m) | 16s |
| Evening (21 Aug) | 2.5ft (0.7m) | 16s |
Table - waves today at Honokohau Harbour. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sun afternoon. Warm (max 28°C on Fri morning, min 26°C on Thu night). Wind will be generally light. | |||||||||||||||||||
Thu 20 | Friday 21 | Saturday 22 | |||||||||||||||||
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 17 | SW 16 | SSW 16 | SW 17 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 143 | 133 | 177 | 284 | 298 | 224 | 127 | 124 | 121 | 261 | 261 | 261 | 160 | 164 | 164 | 150 | 112 | 110 | 152 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | glassy | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | glassy | glassy | glassy | glassy | cross-on | on | cross-on | glassy | glassy |
High Tide | 9:25PM0.24m | 11:51AM0.62m | 11:15PM0.23m | 12:41PM0.65m | |||||||||||||||
Low Tide | 7:02PM0.23m | 3:38AM0.10m | 7:46PM0.19m | 4:47AM0.10m | 8:16PM0.16m | ||||||||||||||
 |  | | | | | |  | |  | | | | | | | | | | |
 | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | 6:49 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 27 | 26 |
Feels °C | 31 | 30 | 30 | 31 | 31 | 31 | 32 | 31 | 30 | 30 | 31 | 31 | 31 | 30 | 32 | 32 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | SW 17 | SW 16 | SSW 16 | SW 17 | SW 17 | SW 17 | SW 16 | W 11 | NNE 7 | NNE 7 | NNE 7 | SW 16 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 6 |
| kJ | 143 | 133 | 177 | 284 | 298 | 224 | 127 | 58 | 30 | 40 | 50 | 261 | 36 | 27 | 34 | 62 | 64 | 62 | 58 |
Swell 2 Height (m) Direction Period (s) | NNE 7 | NNE 7 | NNE 7 | NNE 7 | W 10 | W 10 | W 10 | SW 16 | W 11 | SW 16 | SW 16 | NNE 7 | S 14 | SSW 16 | SSW 16 | SSW 15 | WNW 11 | WNW 10 | WNW 10 |
| kJ | 19 | 19 | 18 | 18 | 52 | 51 | 52 | 124 | 83 | 261 | 261 | 38 | 138 | 164 | 164 | 150 | 88 | 82 | 80 |
Swell 3 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 10 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | SW 16 | W 10 | W 10 | S 13 | SSW 16 | W 10 | W 10 | W 10 | SW 15 | SW 15 | SSW 15 |
| kJ | 61 | 61 | 59 | 53 | 18 | 18 | 18 | 18 | 121 | 54 | 51 | 126 | 160 | 51 | 51 | 56 | 112 | 110 | 152 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | SW 9 | SW 9 | SW 9 | — | — | — | SW 10 | SW 2 | SSE 8 | — | WNW 2 |
| kJ | — | — | — | — | — | — | — | — | 12 | 12 | 12 | — | — | — | 26 | 1 | 24 | — | 1 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 25 | 0 | 0 | 0 | 0 | 2 | 47 | 47 | 25 | 6 | 0 | 0 | 0 | 0 | 47 | 45 | 7 | 0 | 0 |
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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