Surf Forecasts:
How big are the waves at Reef Runway (Hickam Harbor) today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 3.5ft (1.0m), 16s period with SSW swell.
- Evening surf: Evening surf (19 Sep, local time) - 3ft (0.9m), 16s period with SSW swell.
The current surf forecast for Reef Runway (Hickam Harbor) at 1AM is: 1.1m 16s primary swell from a South-southwest direction and 0.4m 8s secondary swell from a Southeast direction (forecast issued at 07:00pm September 18). An open ocean swell of 1.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 3.5ft (1.0m) | 16s |
| Afternoon (19 Sep) | 3.5ft (1.0m) | 16s |
| Evening (19 Sep) | 3ft (0.9m) | 16s |
Table - waves today at Reef Runway (Hickam Harbor). (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Sat morning, min 25°C on Sun night). Mainly strong winds. | |||||||||||||||||||
Fri 18 | Saturday 19 | Sunday 20 | |||||||||||||||||
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 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 14 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 675 | 726 | 651 | 627 | 620 | 519 | 506 | 506 | 512 | 512 | 318 | 193 | 326 | 452 | 324 | 370 | 375 | 380 | 468 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:12PM0.18m | 11:46AM0.56m | 00:31AM0.20m | 12:40PM0.58m | |||||||||||||||
Low Tide | 7:20PM0.13m | 3:01AM0.13m | 7:44PM0.11m | 4:42AM0.12m | 8:04PM0.10m | ||||||||||||||
 |  | |  | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 25 |
Feels °C | 24 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 14 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 |
| kJ | 675 | 726 | 651 | 627 | 620 | 519 | 506 | 506 | 512 | 512 | 318 | 175 | 326 | 452 | 324 | 370 | 375 | 380 | 468 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSE 8 | SSE 7 | SSE 7 | SSE 6 | SSW 18 | S 18 | S 18 | S 18 | SSW 16 | S 16 | SW 16 | SSE 6 | SSW 15 | SSW 15 | SW 15 | SW 15 | SW 15 |
| kJ | 15 | 8 | 7 | 21 | 18 | 15 | 107 | 162 | 162 | 99 | 273 | 193 | 248 | 15 | 146 | 144 | 104 | 104 | 54 |
Swell 3 Height (m) Direction Period (s) | WSW 9 | S 21 | W 9 | S 20 | S 20 | S 20 | SE 8 | W 9 | SSE 8 | W 8 | SSE 8 | SW 15 | SSE 8 | SW 15 | SSE 6 | SSE 6 | W 12 | W 12 | W 12 |
| kJ | 8 | 34 | 6 | 67 | 67 | 67 | 18 | 1 | 13 | 1 | 14 | 110 | 13 | 54 | 15 | 7 | 3 | 11 | 11 |
Wind waves Height (m) Direction Period (s) | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 |
| kJ | 371 | 341 | 368 | 341 | 350 | 359 | 326 | 398 | 408 | 408 | 331 | 260 | 260 | 302 | 334 | 346 | 314 | 359 | 290 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 141 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 20 | 19 | 19 | 18 | 19 | 26 | 27 | 26 | 26 | 19 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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