Surf Forecasts:
How big are the waves at Makapu'u today (21 Aug):
- Morning surf: Morning surf (21 Aug, local time) - 2.5ft (0.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Aug, local time) - 3.5ft (1.0m), 7s period with NE swell.
- Evening surf: Evening surf (21 Aug, local time) - 4ft (1.2m), 7s period with ENE swell.
The current surf forecast for Makapu'u at 7AM is: 0.8m 7s primary swell from a East-northeast direction (forecast issued at 01:00am August 21). An open ocean swell of 0.7m 17s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Aug) | 2.5ft (0.8m) | 7s |
| Afternoon (21 Aug) | 3.5ft (1.0m) | 7s |
| Evening (21 Aug) | 4ft (1.2m) | 7s |
Table - waves today at Makapu'u. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri afternoon, min 25°C on Sat night). Winds increasing (calm on Fri morning, strong winds from the ENE by Sun afternoon). | ||||||||||||||||||||||||
Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||||||||||
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) | NE 7 | NE 7 | ENE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | SSW 16 | SSW 16 | SSW 16 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 119 | 116 | 65 | 112 | 91 | 106 | 123 | 322 | 322 | 322 | 187 | 219 | 254 | 285 | 332 | 439 | 427 | 376 | 383 | 327 | 285 | 268 | 273 | 245 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 12:32PM0.55m | 1:04PM0.58m | 10:27PM0.27m | 1:31PM0.61m | ||||||||||||||||||||
Low Tide | 2:41AM0.09m | 4:16AM0.08m | 9:18PM0.23m | 5:19AM0.05m | 8:24PM0.22m | |||||||||||||||||||
 | |  |  | | | | | | | | | | | |  | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:53 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 31 | 30 | 31 | 30 | 30 | 29 | 28 | 27 | 26 | 27 | 26 | 24 | 24 | 24 | 22 | 22 | 23 | 23 | 22 | 21 | 21 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | ENE 7 | NE 7 | NE 7 | SW 16 | ENE 7 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SSW 15 | SW 14 | SW 14 |
| kJ | 119 | 116 | 65 | 112 | 91 | 264 | 123 | 322 | 322 | 322 | 261 | 261 | 258 | 255 | 251 | 215 | 212 | 209 | 156 | 144 | 107 | 191 | 102 | 102 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SW 17 | SW 17 | SW 17 | SW 17 | W 10 | SW 16 | W 10 | E 8 | S 13 | S 14 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | SSE 12 | S 14 | S 14 | S 13 | S 13 | SSE 13 | SSE 13 | S 13 | SSE 13 |
| kJ | 278 | 288 | 295 | 295 | 288 | 32 | 255 | 31 | 20 | 87 | 144 | 50 | 51 | 50 | 49 | 49 | 104 | 96 | 92 | 90 | 59 | 59 | 89 | 57 |
Swell 3 Height (m) Direction Period (s) | W 9 | W 9 | NNE 7 | W 11 | W 11 | E 8 | W 10 | E 8 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 12 | SSW 15 | NW 11 | SSW 15 | NW 12 | SSW 15 | SSW 15 |
| kJ | 28 | 27 | 54 | 21 | 35 | 21 | 31 | 21 | 31 | 30 | 33 | 32 | 33 | 33 | 36 | 20 | 19 | 56 | 47 | 31 | 76 | 34 | 44 | 72 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | NE 7 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 |
| kJ | — | — | — | — | — | 106 | 85 | 129 | 144 | 163 | 187 | 219 | 254 | 285 | 332 | 439 | 427 | 376 | 383 | 327 | 285 | 268 | 273 | 245 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2 | 2 | 2 | 8 | 8 | 16 | 17 | 49 | 49 | 18 | 18 | 50 | 55 | 58 | 55 | 56 | 55 | 55 | 55 | 56 | 58 | 58 | 55 | 55 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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