Surf Forecasts:
How big are the waves at Kahalu'u Beach Park today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 5.5ft (1.7m), 12s period with S swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 5ft (1.6m), 12s period with SSW swell.
- Evening surf: Evening surf (04 Sep, local time) - 4.5ft (1.4m), 12s period with SSW swell.
The current surf forecast for Kahalu'u Beach Park at 5AM is: 1.7m 13s primary swell from a South direction and 0.1m 22s secondary swell from a South direction (forecast issued at 01:00am September 04). The wind direction is predicted to be glassy and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 5.5ft (1.7m) | 12s |
| Afternoon (04 Sep) | 5ft (1.6m) | 12s |
| Evening (04 Sep) | 4.5ft (1.4m) | 12s |
Table - waves today at Kahalu'u Beach Park. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sun night. Warm (max 28°C on Fri morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||||
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) | S 13 | S 13 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 826 | 956 | 898 | 748 | 934 | 743 | 494 | 420 | 706 | 583 | 612 | 816 | 864 | 782 | 782 | 850 | 760 | 819 | 956 | 929 | 899 | 1137 | 1086 | 624 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | glassy | cross-on | cross-on | glassy | cross | glassy | cross-on | cross-on | glassy | cross-on | on | cross-on | cross-on | glassy | glassy | glassy | cross-on | on | on | cross-on | cross-on | glassy |
High Tide | 10:26AM0.70m | 9:19PM0.26m | 11:45AM0.74m | 11:51PM0.27m | 12:46PM0.78m | |||||||||||||||||||
Low Tide | 1:51AM0.12m | 7:24PM0.25m | 3:16AM0.14m | 7:47PM0.20m | 4:55AM0.13m | 8:14PM0.16m | ||||||||||||||||||
 |  |  |  | | | | | | | | | |  | | | | | | |  | |  | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | 1 | 1 | 2 | — |
Temp °C | 27 | 27 | 27 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 30 | 31 | 30 | 31 | 30 | 31 | 29 | 30 | 28 | 29 | 30 | 30 | 30 | 30 | 29 | 30 | 30 | 30 | 30 | 31 | 30 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 12 | S 12 | SSW 12 | SSW 12 | SSW 11 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | SW 12 |
| kJ | 826 | 956 | 898 | 748 | 934 | 743 | 494 | 420 | 706 | 583 | 612 | 816 | 864 | 782 | 782 | 850 | 760 | 819 | 956 | 929 | 899 | 1137 | 1086 | 624 |
Swell 2 Height (m) Direction Period (s) | WNW 9 | S 22 | S 21 | S 21 | S 21 | SSW 20 | SSW 20 | S 10 | SSW 20 | S 13 | SW 16 | SSW 18 | S 12 | S 12 | S 12 | S 12 | SSW 16 | S 12 | S 12 | S 12 | SSW 19 | SSW 18 | SSW 18 | SW 15 |
| kJ | 8 | 9 | 9 | 9 | 9 | 38 | 38 | 204 | 38 | 52 | 124 | 32 | 27 | 26 | 44 | 44 | 90 | 45 | 46 | 44 | 280 | 352 | 352 | 543 |
Swell 3 Height (m) Direction Period (s) | S 22 | NW 9 | — | — | — | — | NW 10 | SSW 20 | SSW 20 | SW 16 | S 13 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | S 12 | SSW 16 | SSW 20 | SSW 20 | S 12 | S 12 | S 12 | SSW 18 |
| kJ | 9 | 13 | — | — | — | — | 4 | 38 | 37 | 41 | 31 | 63 | 63 | 63 | 63 | 55 | 44 | 26 | 76 | 75 | 44 | 24 | 24 | 552 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 13 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 0 | 0 | 128 | 128 | 0 | 1 | 0 | 6 | 13 | 0 | 49 | 52 | 49 | 49 | 0 | 0 | 0 | 6 | 52 | 47 | 49 | 32 | 0 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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