Surf Forecasts:
How big are the waves at Makapu'u today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 3.5ft (1.1m), 6s period with NE swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 3ft (0.9m), 18s period with SSW swell.
- Evening surf: Evening surf (16 Sep, local time) - 3ft (0.9m), 18s period with SSW swell.
The current surf forecast for Makapu'u at 6AM is: 0.8m 18s primary swell from a South-southwest direction and 0.6m 11s secondary swell from a East direction, 1.2m 6s secondary swell from a Northeast direction (forecast issued at 01:00am September 16). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 3.5ft (1.1m) | 6s |
| Afternoon (16 Sep) | 3ft (0.9m) | 18s |
| Evening (16 Sep) | 3ft (0.9m) | 18s |
Table - waves today at Makapu'u. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 10mm), heaviest on Thu night. Warm (max 27°C on Fri morning, min 26°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 16 | Thursday 17 | Friday 18 | ||||||||||||||||||||||
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 | 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) | SSW 19 | SSW 19 | NE 6 | NE 6 | NE 6 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 16 | ENE 7 | ENE 7 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSW 18 | SSW 18 | ENE 8 | SSW 17 | ENE 8 | SSW 17 | ENE 8 | SSW 17 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 470 | 446 | 92 | 100 | 147 | 541 | 541 | 534 | 516 | 469 | 431 | 482 | 833 | 737 | 697 | 666 | 644 | 644 | 533 | 622 | 601 | 580 | 493 | 580 |
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 | on | on | on |
High Tide | 6:53AM0.51m | 2:37PM0.40m | 8:54AM0.49m | 10:52AM0.51m | ||||||||||||||||||||
Low Tide | 12:57PM0.34m | 11:02PM0.07m | 11:41PM0.10m | |||||||||||||||||||||
 | |  |  | | | |  | | | | |  | |  | | | | | | | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 3 | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 19 | SSW 19 | SW 18 | SW 18 | SW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | E 10 | SSW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SSW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 17 | SSW 17 |
| kJ | 470 | 446 | 460 | 455 | 449 | 541 | 541 | 534 | 516 | 158 | 407 | 261 | 326 | 258 | 251 | 629 | 644 | 644 | 480 | 622 | 601 | 580 | 493 | 580 |
Swell 2 Height (m) Direction Period (s) | NNE 7 | E 11 | E 10 | E 10 | E 10 | E 10 | SW 11 | SW 11 | E 10 | SSW 16 | SW 11 | SSW 20 | SSW 20 | SSW 19 | SSW 19 | SSW 10 | SSE 10 | SSE 10 | SSW 14 | SE 10 | SSE 9 | SSE 6 | SSE 6 | SSW 16 |
| kJ | 70 | 56 | 76 | 100 | 98 | 133 | 31 | 19 | 125 | 469 | 19 | 149 | 151 | 210 | 312 | 10 | 9 | 9 | 133 | 4 | 8 | 8 | 7 | 51 |
Swell 3 Height (m) Direction Period (s) | E 11 | SW 12 | SW 12 | SW 12 | SW 11 | SW 11 | S 8 | S 22 | SSW 11 | SSW 11 | SSE 11 | SW 11 | SSE 10 | SSW 10 | SSW 10 | SSE 10 | SW 10 | SW 10 | SSE 10 | W 9 | S 21 | WSW 9 | SSW 16 | SSE 9 |
| kJ | 58 | 37 | 37 | 35 | 33 | 31 | 5 | 37 | 12 | 12 | 11 | 18 | 10 | 10 | 10 | 9 | 4 | 4 | 9 | 2 | 34 | 8 | 50 | 8 |
Wind waves Height (m) Direction Period (s) | E 6 | ENE 6 | NE 6 | NE 6 | NE 6 | NE 6 | ENE 6 | ENE 6 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 7 |
| kJ | 54 | 90 | 92 | 96 | 147 | 170 | 277 | 357 | 314 | 296 | 431 | 482 | 833 | 737 | 697 | 666 | 575 | 547 | 533 | 595 | 542 | 460 | 460 | 465 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 19 | 18 | 22 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 49 | 55 | 50 | 49 | 49 | 49 | 49 | 51 | 55 | 55 | 55 | 55 | 49 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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