Surf Forecasts:
How big are the waves at Makapu'u today (20 Jul):
- Morning surf: Morning surf (20 Jul, local time) - 5ft (1.5m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Jul, local time) - 2.5ft (0.8m), 16s period with S swell.
- Evening surf: Evening surf (20 Jul, local time) - 5ft (1.5m), 7s period with ENE swell.
The current surf forecast for Makapu'u at 3AM is: 1.6m 7s primary swell from a East-northeast direction and 0.5m 18s secondary swell from a South direction, 0.4m 12s secondary swell from a South-southwest direction (forecast issued at 07:00pm July 19). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Jul) | 5ft (1.5m) | 8s |
| Afternoon (20 Jul) | 2.5ft (0.8m) | 16s |
| Evening (20 Jul) | 5ft (1.5m) | 7s |
Table - waves today at Makapu'u. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Mon morning. Warm (max 26°C on Mon morning, min 25°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Sun 19 | Monday 20 | Tuesday 21 | |||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 8 | ENE 8 | S 16 | S 16 | S 16 | ENE 7 | ENE 7 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 310 | 277 | 303 | 265 | 169 | 240 | 329 | 325 | 321 | 228 | 242 | 339 | 339 | 334 | 329 | 320 | 311 | 289 | 281 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide | 6:08PM0.51m | 9:13AM0.37m | 6:04PM0.45m | 11:19AM0.44m | 4:59PM0.41m | ||||||||||||||
Low Tide | 1:25AM0.09m | 12:37PM0.29m | 2:03AM0.07m | 3:19PM0.35m | |||||||||||||||
 |  | | | | |  | | | | |  | |  | | | |  | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — |
 | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — | — | — | — | — | — | 7:14 | — | — |
mm | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 |
Feels °C | 23 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 24 | 23 | 23 | 24 | 24 | 25 | 25 | 24 | 23 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | S 18 | S 18 | NNE 6 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 14 | S 14 | E 7 | S 14 | S 14 | S 13 |
| kJ | 95 | 55 | 160 | 158 | 57 | 195 | 329 | 325 | 321 | 174 | 163 | 339 | 339 | 334 | 329 | 110 | 311 | 289 | 281 |
Swell 2 Height (m) Direction Period (s) | S 18 | S 18 | SSW 12 | SSW 12 | S 17 | S 12 | SW 18 | SW 18 | SW 18 | S 13 | S 13 | SW 16 | SSW 16 | SW 17 | SW 17 | NE 7 | SW 16 | SSW 16 | E 13 |
| kJ | 105 | 163 | 75 | 45 | 149 | 70 | 83 | 82 | 81 | 121 | 121 | 69 | 105 | 70 | 72 | 73 | 68 | 98 | 85 |
Swell 3 Height (m) Direction Period (s) | NE 8 | NNE 8 | NNE 8 | NE 8 | SSW 12 | SW 18 | W 11 | W 12 | W 12 | SW 18 | SW 17 | E 12 | E 12 | E 12 | E 12 | S 14 | E 11 | E 14 | SW 15 |
| kJ | 16 | 13 | 13 | 17 | 56 | 86 | 10 | 10 | 11 | 78 | 72 | 12 | 11 | 25 | 25 | 320 | 39 | 57 | 60 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 310 | 277 | 303 | 265 | 169 | 240 | 240 | 234 | 207 | 228 | 242 | 217 | 210 | 200 | 200 | 131 | 176 | 210 | 210 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 113 | 18 | 18 | 18 | 18 | 18 | 18 | 49 | 49 | 49 | 49 | 18 | 18 | 49 | 49 | 49 | 49 | 49 | 49 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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