Surf Forecasts:
How big are the waves at Makapu'u today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Sep, local time) - 3.5ft (1.0m), 17s period with SSW swell.
- Evening surf: Evening surf (18 Sep, local time) - 6.5ft (2.0m), 8s period with E swell.
The current surf forecast for Makapu'u at 6PM is: 1.0m 17s primary swell from a South-southwest direction and 1.9m 8s secondary swell from a East-northeast direction, 1.7m 7s secondary swell from a East-northeast direction (forecast issued at 01:00pm September 18). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 7ft (2.1m) | 8s |
| Afternoon (18 Sep) | 3.5ft (1.0m) | 17s |
| Evening (18 Sep) | 6.5ft (2.0m) | 8s |
Table - waves today at Makapu'u. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Fri afternoon, min 25°C on Sun night). Mainly strong winds. | |||||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||
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) | ENE 8 | SSW 17 | SSW 17 | E 8 | SSW 17 | SSW 16 | ENE 8 | E 8 | ENE 7 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | SSW 16 | E 7 | ENE 7 | ENE 7 | E 7 | E 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 622 | 601 | 580 | 496 | 580 | 539 | 525 | 522 | 579 | 644 | 533 | 573 | 473 | 473 | 473 | 452 | 388 | 362 | 373 | 388 | 480 |
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 | on | on |
High Tide | 10:52AM0.51m | 11:47AM0.54m | 12:22PM0.57m | ||||||||||||||||||
Low Tide | 1:18AM0.13m | 3:40AM0.12m | 7:51PM0.20m | ||||||||||||||||||
 | | |  |  | | |  | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 24 | 24 | 25 | 24 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 25 | 24 | 23 | 23 | 22 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 17 | ENE 8 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 622 | 601 | 438 | 493 | 580 | 539 | 525 | 392 | 382 | 382 | 387 | 392 | 201 | 350 | 432 | 452 | 231 | 296 | 300 | 370 | 365 |
Swell 2 Height (m) Direction Period (s) | SSE 10 | SSE 7 | SSW 17 | SSW 16 | SSW 16 | SSE 7 | SSE 6 | S 19 | SSW 18 | SSW 18 | S 18 | S 18 | SSW 14 | SW 16 | SW 15 | SSE 6 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 9 | 10 | 580 | 50 | 51 | 10 | 8 | 66 | 108 | 106 | 99 | 57 | 113 | 122 | 79 | 7 | 156 | 106 | 104 | 75 | 33 |
Swell 3 Height (m) Direction Period (s) | W 9 | S 21 | SSE 6 | SSW 18 | W 9 | S 20 | S 20 | SSE 9 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | S 16 | SSW 14 | SSE 7 | SW 15 | SSE 6 | N 11 | N 11 | N 11 | NNW 11 |
| kJ | 2 | 34 | 8 | 64 | 2 | 30 | 67 | 7 | 5 | 8 | 7 | 3 | 139 | 37 | 5 | 33 | 7 | 2 | 2 | 2 | 11 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 7 | ENE 7 | E 8 | E 7 | E 7 | ENE 8 | E 8 | ENE 7 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 7 | E 7 | ENE 7 | ENE 7 | E 7 | E 7 |
| kJ | 528 | 579 | 235 | 496 | 515 | 452 | 520 | 522 | 579 | 644 | 533 | 573 | 473 | 473 | 473 | 388 | 388 | 362 | 373 | 388 | 480 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 55 | 235 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 56 | 55 | 50 | 49 | 49 | 49 | 49 | 55 | 58 | 56 | 55 | 55 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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