Surf Forecasts:
How big are the waves at Makapu'u today (15 Aug):
- Morning surf: Morning surf (15 Aug, local time) - 13ft (4.0m), 9s period with ENE swell.
- Afternoon surf: Afternoon surf (15 Aug, local time) - 15ft (4.5m), 10s period with E swell.
- Evening surf: Evening surf (15 Aug, local time) - 16ft (5.0m), 10s period with E swell.
The current surf forecast for Makapu'u at 1AM is: 3.0m 8s primary swell from a East-northeast direction and 0.9m 14s secondary swell from a South direction, 0.2m 17s secondary swell from a South-southwest direction (forecast issued at 07:00pm August 14). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Aug) | 13ft (4.0m) | 9s |
| Afternoon (15 Aug) | 15ft (4.5m) | 10s |
| Evening (15 Aug) | 16ft (5.0m) | 10s |
Table - waves today at Makapu'u. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 50mm), heaviest during Sat night. Warm (max 27°C on Sun afternoon, min 24°C on Sat night). Winds decreasing (gales from the ENE on Sat night, light winds from the E by Sun night). | |||||||||||||||||||
Fri 14 | Saturday 15 | Sunday 16 | |||||||||||||||||
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 8 | ENE 8 | ENE 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 604 | 749 | 978 | 1191 | 1505 | 2139 | 3088 | 3602 | 3934 | 4137 | 6497 | 4931 | 2968 | 1520 | 1126 | 1004 | 800 | 644 | 614 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:12PM0.63m | 4:22AM0.43m | 4:30PM0.58m | 5:20AM0.44m | 4:40PM0.52m | ||||||||||||||
Low Tide | 10:33PM0.12m | 10:00AM0.11m | 10:59PM0.09m | 10:41AM0.19m | |||||||||||||||
 |  | |  | |  |  | | | | |  |  |  | | | | | | |
 | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | 1 | 1 | — | — | — | 7 | 16 | 8 | 7 | 4 | 3 | 2 | 1 |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 25 | 24 | 25 | 26 | 26 | 26 | 27 | 27 | 27 |
Feels °C | 22 | 22 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 16 | 16 | 21 | 24 | 25 | 25 | 27 | 28 | 29 |
Swell 1 Height (m) Direction Period (s) | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | SSE 10 | SSE 9 | ENE 9 | ENE 8 | S 8 | ENE 8 |
| kJ | 411 | 329 | 324 | 243 | 229 | 225 | 225 | 168 | 168 | 171 | 176 | 189 | 146 | 856 | 600 | 1004 | 800 | 221 | 614 |
Swell 2 Height (m) Direction Period (s) | E 11 | SSW 18 | SSW 18 | SSW 17 | NNW 8 | W 11 | W 11 | S 16 | S 16 | S 17 | S 18 | S 18 | S 18 | S 17 | S 16 | SSE 8 | S 8 | S 13 | S 7 |
| kJ | 91 | 30 | 30 | 29 | 7 | 9 | 9 | 43 | 80 | 95 | 98 | 99 | 98 | 209 | 185 | 402 | 286 | 125 | 124 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | NNW 8 | NNW 8 | NNW 8 | W 11 | SW 17 | S 20 | W 11 | NNW 8 | W 13 | SSW 16 | W 13 | W 13 | S 12 | S 12 | S 16 | S 13 | S 16 | S 13 |
| kJ | 30 | 6 | 6 | 6 | 9 | 12 | 30 | 10 | 6 | 13 | 25 | 13 | 13 | 26 | 26 | 185 | 125 | 127 | 123 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | — | — | ENE 8 | — |
| kJ | 604 | 749 | 978 | 1191 | 1505 | 2139 | 3088 | 3602 | 3934 | 4137 | 6497 | 4931 | 2968 | 1520 | 1126 | — | — | 644 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 113 | 114 | 63 | 217 | 217 | 217 | 217 | 217 | 217 | 217 | 217 | 226 | 219 | 149 | 57 | 110 | 42 | 42 | 8 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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