Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 2.5ft (0.8m), 9s period with SSW swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 2ft (0.6m), 17s period with SSW swell.
- Evening surf: Evening surf (28 Sep, local time) - 2ft (0.6m), 17s period with SSW swell.
The current surf forecast for Kahalu'u Beach Park at 10PM is: 0.6m 17s primary swell from a South-southwest direction and 0.7m 10s secondary swell from a Southwest direction (forecast issued at 01:00pm September 28). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 2.5ft (0.8m) | 9s |
| Afternoon (28 Sep) | 2ft (0.6m) | 17s |
| Evening (28 Sep) | 2ft (0.6m) | 17s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu morning. Warm (max 27°C on Mon afternoon, min 26°C on Mon night). Wind will be generally light. | |||||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||||
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) | SSW 10 | SSW 17 | SW 17 | SSW 17 | SSW 17 | SW 17 | SW 17 | SSW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SW 16 | SSW 16 | W 10 | W 10 | WNW 11 | W 11 | W 11 | WNW 10 |
Wave Graph  | |||||||||||||||||||||
 kJ | 133 | 188 | 147 | 197 | 197 | 147 | 142 | 179 | 206 | 206 | 203 | 169 | 166 | 121 | 160 | 175 | 171 | 135 | 291 | 238 | 195 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | glassy | glassy | glassy | cross-on | glassy | on | on | cross-on | cross-on | glassy | glassy | glassy | glassy | on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:30PM0.50m | 5:31AM0.78m | 5:01PM0.43m | 6:20AM0.77m | 5:35PM0.36m | ||||||||||||||||
Low Tide | 11:13AM0.18m | 10:31PM0.03m | 12:10PM0.21m | 11:01PM0.04m | 1:20PM0.25m | ||||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | 6:14 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 |
Feels °C | 28 | 29 | 30 | 31 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 10 | SW 10 | SW 9 | SW 8 | SW 10 | SW 10 | SW 9 | SSW 16 | SW 16 | WSW 11 | SW 10 | WSW 10 | SSW 16 | W 10 | W 10 | W 10 | W 10 | WNW 11 | W 11 | W 11 | WNW 10 |
| kJ | 133 | 142 | 83 | 71 | 98 | 90 | 79 | 179 | 206 | 149 | 120 | 75 | 166 | 100 | 130 | 175 | 171 | 135 | 291 | 238 | 195 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 17 | SSW 12 | SSW 17 | SSW 17 | SSW 12 | SSW 12 | SW 9 | SW 8 | SW 16 | SW 16 | SSW 16 | W 10 | SW 16 | SSW 16 | SW 15 | SW 15 | W 10 | S 5 | S 5 | S 5 |
| kJ | 89 | 188 | 85 | 197 | 197 | 82 | 81 | 46 | 45 | 206 | 203 | 169 | 67 | 121 | 160 | 107 | 104 | 92 | 21 | 20 | 15 |
Swell 3 Height (m) Direction Period (s) | SW 14 | S 12 | SW 17 | SSW 12 | SSW 12 | SW 17 | SW 17 | SSW 12 | SSW 12 | SSW 11 | SSW 11 | S 5 | S 5 | SSW 11 | SSW 11 | S 5 | S 5 | S 5 | SW 15 | SW 14 | SW 14 |
| kJ | 100 | 77 | 147 | 83 | 83 | 147 | 142 | 75 | 44 | 42 | 40 | 11 | 7 | 39 | 39 | 8 | 13 | 10 | 104 | 102 | 51 |
Wind waves Height (m) Direction Period (s) | NW 2 | WNW 3 | NW 3 | — | — | — | — | — | — | SSE 5 | SSE 5 | — | — | SSE 4 | SSE 4 | — | SSE 4 | SSE 4 | SSE 4 | SSE 4 | SSE 4 |
| kJ | 1 | 3 | 2 | — | — | — | — | — | — | 19 | 24 | — | — | 11 | 12 | — | 18 | 29 | 28 | 25 | 16 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 52 | 55 | 55 | 0 | 0 | 0 | 52 | 0 | 55 | 99 | 52 | 6 | 0 | 0 | 0 | 0 | 76 | 76 | 6 | 6 | 25 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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