Surf Forecasts:
How big are the waves at Makapu'u today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 6.5ft (2.0m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 6ft (1.9m), 8s period with ENE swell.
- Evening surf: Evening surf (21 Sep, local time) - 6ft (1.9m), 8s period with ENE swell.
The current surf forecast for Makapu'u at 1AM is: 2.5m 8s primary swell from a East-northeast direction and 0.9m 15s secondary swell from a South-southwest direction (forecast issued at 07:00pm September 20). An open ocean swell of 0.3m 15s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 6.5ft (2.0m) | 8s |
| Afternoon (21 Sep) | 6ft (1.9m) | 8s |
| Evening (21 Sep) | 6ft (1.9m) | 8s |
Table - waves today at Makapu'u. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Mon morning, min 25°C on Sun night). Mainly strong winds. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 22 | |||||||||||||||||
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 7 | ENE 8 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 9 |
Wave Graph  | |||||||||||||||||||
 kJ | 491 | 528 | 645 | 756 | 528 | 507 | 484 | 449 | 475 | 463 | 498 | 484 | 449 | 414 | 414 | 392 | 437 | 500 | 646 |
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 | 11:21PM0.27m | 12:47PM0.59m | 00:00AM0.32m | 1:08PM0.61m | |||||||||||||||
Low Tide | 7:51PM0.20m | 4:53AM0.10m | 7:29PM0.19m | 5:39AM0.07m | 7:29PM0.17m | ||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 22 | 21 | 21 | 21 | 21 | 21 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 13 | S 13 | S 13 | S 13 | S 13 | SSW 13 | S 13 | NNW 12 | NNW 12 | NNW 11 | NNW 11 |
| kJ | 300 | 370 | 365 | 346 | 336 | 331 | 261 | 247 | 229 | 225 | 171 | 168 | 168 | 176 | 158 | 147 | 140 | 126 | 123 |
Swell 2 Height (m) Direction Period (s) | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | N 13 | N 13 | N 12 | S 12 | S 12 | S 12 | S 12 |
| kJ | 104 | 75 | 33 | 33 | 33 | 21 | 53 | 32 | 46 | 46 | 46 | 46 | 89 | 117 | 144 | 151 | 146 | 106 | 106 |
Swell 3 Height (m) Direction Period (s) | N 11 | N 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | W 11 | NNW 10 | N 14 | N 14 | SW 13 | SSW 13 | SSW 19 | SW 19 | SW 19 | SW 17 | SW 17 |
| kJ | 2 | 2 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 9 | 16 | 33 | 46 | 17 | 36 | 57 | 92 | 72 | 74 |
Wind waves Height (m) Direction Period (s) | E 7 | ENE 8 | ENE 7 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 9 |
| kJ | 491 | 528 | 645 | 756 | 528 | 507 | 484 | 449 | 475 | 463 | 498 | 484 | 449 | 414 | 414 | 392 | 437 | 500 | 646 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 58 | 55 | 55 | 55 | 49 | 49 | 49 | 49 | 55 | 49 | 49 | 49 | 20 | 49 | 49 | 49 | 55 | 49 | 49 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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