Surf Forecasts:
How big are the waves at Makapu'u today (13 Aug):
- Morning surf: Morning surf (13 Aug, local time) - 4ft (1.2m), 16s period with S swell.
- Afternoon surf: Afternoon surf (13 Aug, local time) - 3.5ft (1.1m), 15s period with S swell.
- Evening surf: Evening surf (13 Aug, local time) - 3.5ft (1.1m), 15s period with S swell.
The current surf forecast for Makapu'u at 2AM is: 1.0m 16s primary swell from a South direction and 0.8m 13s secondary swell from a South-southwest direction, 1.6m 6s secondary swell from a East-northeast direction (forecast issued at 07:00pm August 12). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Aug) | 4ft (1.2m) | 16s |
| Afternoon (13 Aug) | 3.5ft (1.1m) | 15s |
| Evening (13 Aug) | 3.5ft (1.1m) | 15s |
Table - waves today at Makapu'u. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Fri night. Warm (max 26°C on Wed night, min 25°C on Wed night). Winds increasing (fresh winds from the ENE on Wed night, near gales from the ENE by Sat morning). | |||||||||||||||||||
Wed 12 | Thursday 13 | Friday 14 | |||||||||||||||||
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) | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 613 | 487 | 533 | 520 | 879 | 743 | 501 | 482 | 653 | 544 | 563 | 645 | 639 | 607 | 607 | 708 | 620 | 689 | 968 |
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 | 3:21PM0.72m | 2:36AM0.40m | 3:49PM0.69m | 3:28AM0.42m | 4:12PM0.63m | ||||||||||||||
Low Tide | 9:41PM0.17m | 8:39AM-0.03m | 10:07PM0.14m | 9:20AM0.03m | 10:33PM0.12m | ||||||||||||||
 |  | | | | | | | | | | | | | | | |  | | |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 21 | 21 | 23 | 22 | 22 | 22 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 |
| kJ | 613 | 487 | 533 | 520 | 879 | 743 | 501 | 482 | 653 | 544 | 537 | 537 | 517 | 510 | 411 | 411 | 411 | 329 | 324 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | WNW 12 | WNW 12 | SSW 12 | SSW 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 12 | W 12 | E 11 | ESE 11 | SSW 18 | SSW 18 |
| kJ | 218 | 218 | 218 | 222 | 14 | 14 | 150 | 113 | 11 | 11 | 11 | 10 | 10 | 11 | 11 | 65 | 126 | 30 | 30 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | W 9 | S 20 | W 12 | W 12 | NNW 8 | NNW 8 | NNW 7 | NNW 7 | NNW 7 | NNW 7 | NNW 8 | W 12 | SSW 18 | NNW 8 | NNW 8 |
| kJ | 25 | 11 | 11 | 11 | 2 | 8 | 11 | 11 | 6 | 6 | 5 | 5 | 5 | 5 | 6 | 11 | 30 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 218 | 273 | 253 | 225 | 280 | 280 | 252 | 298 | 374 | 432 | 563 | 645 | 639 | 607 | 607 | 708 | 620 | 689 | 968 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 110 | 49 | 49 | 49 | 19 | 49 | 51 | 111 | 110 | 56 | 51 | 49 | 49 | 60 | 60 | 110 | 63 | 56 | 60 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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