Surf Forecasts:
How big are the waves at Makapu'u today (16 Aug):
- Morning surf: Morning surf (16 Aug, local time) - 15ft (4.5m), 10s period with E swell.
- Afternoon surf: Afternoon surf (16 Aug, local time) - 8ft (2.5m), 9s period with ENE swell.
- Evening surf: Evening surf (16 Aug, local time) - 7ft (2.1m), 8s period with ENE swell.
The current surf forecast for Makapu'u at 8AM is: 4.5m 10s primary swell from a East direction and 0.5m 13s secondary swell from a South direction, 0.5m 17s secondary swell from a South direction (forecast issued at 01:00am August 16). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Aug) | 15ft (4.5m) | 10s |
| Afternoon (16 Aug) | 8ft (2.5m) | 9s |
| Evening (16 Aug) | 7ft (2.1m) | 8s |
Table - waves today at Makapu'u. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 56mm), heaviest during Sun morning. Warm (max 27°C on Sun night, min 25°C on Sun morning). Winds decreasing (strong winds from the ESE on Sun morning, light winds from the E by Sun night). | ||||||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||||||||||
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) | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | S 14 | S 14 | S 14 | ENE 7 | ENE 7 | ENE 7 | S 13 | ENE 6 | ENE 7 | S 13 | S 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 5398 | 3950 | 3544 | 1619 | 1162 | 847 | 644 | 511 | 427 | 406 | 356 | 338 | 294 | 261 | 261 | 242 | 188 | 183 | 183 | 165 | 147 | 158 | 119 | 119 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 5:20AM0.44m | 4:40PM0.52m | 6:27AM0.44m | 4:40PM0.47m | 8:02AM0.45m | 4:17PM0.43m | ||||||||||||||||||
Low Tide | 10:41AM0.19m | 11:25PM0.08m | 11:25AM0.27m | 11:52PM0.07m | 12:27PM0.33m | |||||||||||||||||||
 |  |  | | | | | | |  |  | | | | | | | | | | | |  | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | 2 | 15 | 26 | 16 | 4 | 3 | 3 | 3 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 17 | 19 | 22 | 24 | 26 | 26 | 28 | 27 | 29 | 26 | 24 | 23 | 24 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | S 14 | SSE 11 | S 13 | SSE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | ENE 7 | S 13 | S 13 | S 13 | S 13 |
| kJ | 189 | 328 | 81 | 559 | 1162 | 847 | 644 | 511 | 427 | 406 | 264 | 338 | 260 | 257 | 253 | 242 | 170 | 167 | 165 | 147 | 119 | 119 | 119 | 119 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 14 | S 17 | S 16 | SSE 8 | SSE 8 | SSE 8 | SSE 7 | SSE 7 | S 14 | SSE 6 | SSE 6 | SW 6 | SW 6 | SW 6 | SW 6 | E 9 | E 9 | SW 16 | S 13 | SW 18 | SSW 18 | SW 18 | SW 18 |
| kJ | 99 | 148 | 147 | 188 | 367 | 238 | 181 | 117 | 62 | 338 | 40 | 20 | 13 | 13 | 13 | 8 | 15 | 15 | 69 | 165 | 78 | 123 | 80 | 80 |
Swell 3 Height (m) Direction Period (s) | W 13 | S 18 | W 12 | S 13 | S 16 | S 13 | S 13 | S 13 | S 14 | SSE 7 | SW 6 | SW 6 | SSE 6 | SSE 5 | SSE 5 | SSW 20 | SW 6 | SSW 16 | SSW 6 | SW 17 | WSW 7 | WSW 7 | NE 8 | NE 8 |
| kJ | 13 | 98 | 11 | 81 | 183 | 125 | 125 | 166 | 250 | 58 | 12 | 13 | 11 | 6 | 3 | 37 | 5 | 26 | 3 | 74 | 9 | 10 | 14 | 9 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 9 | — | — | — | — | — | — | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | ENE 7 | ENE 6 | ENE 7 |
| kJ | 5398 | 3950 | 3544 | 1619 | — | — | — | — | — | — | 356 | 310 | 294 | 261 | 261 | 222 | 188 | 183 | 183 | 85 | 147 | 158 | 119 | 118 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 226 | 226 | 141 | 140 | 42 | 42 | 42 | 8 | 8 | 18 | 18 | 49 | 49 | 49 | 20 | 18 | 21 | 20 | 49 | 49 | 49 | 20 | 18 | 21 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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