Surf Forecasts:
How big are the waves at Hakalau today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.7m), 9s period with ESE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 2.5ft (0.8m), 7s period with NE swell.
- Evening surf: Evening surf (21 Aug, local time) - 5ft (1.5m), 8s period with E swell.
The current surf forecast for Hakalau at 2PM is: 0.8m 7s primary swell from a Northeast direction and 0.6m 8s secondary swell from a East direction, 0.7m 6s secondary swell from a East-southeast direction (forecast issued at 07:00am August 21). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.7m) | 9s |
| Afternoon (21 Aug) | 2.5ft (0.8m) | 7s |
| Evening (21 Aug) | 5ft (1.5m) | 8s |
Table - waves today at Hakalau. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Sat night. Warm (max 28°C on Fri morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | |||||||||||||||||||||
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) | E 8 | ESE 9 | NE 7 | NE 7 | ESE 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 58 | 79 | 55 | 55 | 149 | 253 | 302 | 378 | 250 | 338 | 408 | 554 | 664 | 944 | 1048 | 904 | 848 | 742 | 710 | 621 | 493 | 461 | 454 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:55AM0.77m | 12:41PM0.82m | 11:36PM0.43m | 1:15PM0.88m | |||||||||||||||||||
Low Tide | 2:34AM0.27m | 4:18AM0.26m | 8:21PM0.39m | 5:31AM0.21m | 8:20PM0.36m | ||||||||||||||||||
 |  |  | | | |  | | | | | |  |  | | | | | |  | | | | |
 | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 1 | 1 | — | — | 1 | 2 | 2 | 2 |
Temp °C | 26 | 27 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 27 | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 28 | 26 | 27 | 26 | 27 | 27 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 7 | NE 7 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 9 | E 9 | E 9 | E 9 | ESE 9 | E 8 | E 8 |
| kJ | 46 | 52 | 55 | 55 | 149 | 176 | 201 | 232 | 250 | 338 | 408 | 554 | 664 | 763 | 854 | 904 | 848 | 742 | 710 | 621 | 493 | 461 | 454 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 8 | SE 8 | E 8 | NE 7 | NE 7 | NE 7 | NE 7 | NE 7 | SSE 15 | NE 7 | SSE 15 | SSE 15 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 14 | SSE 13 | SSE 13 | NNE 6 | SSE 13 | SSE 13 |
| kJ | 49 | 35 | 44 | 48 | 35 | 55 | 55 | 61 | 73 | 22 | 63 | 21 | 21 | 41 | 40 | 40 | 37 | 36 | 35 | 35 | 15 | 34 | 34 |
Swell 3 Height (m) Direction Period (s) | S 15 | S 15 | ESE 8 | SE 9 | NNE 7 | NNE 6 | NNE 7 | S 14 | SSE 15 | S 12 | SSE 15 | S 12 | S 12 | S 17 | S 17 | W 10 | W 10 | NW 13 | NW 12 | NW 12 | SSE 13 | NW 12 | NW 12 |
| kJ | 17 | 17 | 24 | 28 | 16 | 14 | 15 | 14 | 43 | 12 | 21 | 11 | 11 | 6 | 6 | 2 | 2 | 7 | 6 | 6 | 34 | 5 | 6 |
Wind waves Height (m) Direction Period (s) | E 8 | ESE 9 | ESE 6 | ESE 6 | — | E 8 | E 8 | E 8 | — | NE 7 | — | — | — | E 9 | E 10 | — | — | — | — | — | — | — | — |
| kJ | 58 | 79 | 34 | 33 | — | 253 | 302 | 378 | — | 84 | — | — | — | 944 | 1048 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 16 | 16 | 20 | 76 | 74 | 20 | 14 | 14 | 14 | 20 | 20 | 74 | 74 | 20 | 20 | 16 | 20 | 18 | 18 | 18 | 18 | 20 | 18 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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