Surf Forecasts:
How big are the waves at Keaulanas 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 Keaulanas at 6AM is: 1.0m 16s primary swell from a South-southwest direction (forecast issued at 01:00am September 19). An open ocean swell of 0.4m 7s is not directed at the surf break, a second open ocean swell of 1.1m 7s 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 Keaulanas. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Sat morning, min 25°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
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 16 | SSW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 635 | 525 | 512 | 414 | 506 | 506 | 512 | 273 | 287 | 350 | 452 | 329 | 304 | 375 | 380 | 468 | 449 | 437 | 411 | 400 | 317 | 304 | 299 | 295 |
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 | off | off | off | off | off | off | off |
High Tide | 11:24AM0.56m | 11:58PM0.21m | 12:17PM0.58m | 00:48AM0.25m | 12:57PM0.60m | |||||||||||||||||||
Low Tide | 1:44AM0.17m | 8:14PM0.18m | 3:50AM0.18m | 8:11PM0.16m | 5:19AM0.17m | 8:19PM0.15m | ||||||||||||||||||
 | |  | | | | |  | | | |  | | | | | | | | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 27 | 25 | 26 |
Feels °C | 26 | 25 | 25 | 27 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 25 | 26 | 24 | 24 | 24 | 26 | 26 | 26 | 24 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SW 16 | SSW 15 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 14 | S 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 |
| kJ | 635 | 525 | 512 | 414 | 506 | 506 | 512 | 255 | 287 | 350 | 452 | 329 | 304 | 375 | 380 | 468 | 449 | 437 | 411 | 400 | 317 | 304 | 299 | 295 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 7 | SSE 7 | E 8 | S 18 | S 18 | S 18 | SSW 16 | S 16 | SW 14 | SSE 6 | SSW 15 | SW 15 | SW 15 | SW 15 | SSE 6 | SSE 6 | NNW 10 | SE 8 | SSW 15 | SW 14 | W 11 | W 11 | N 14 |
| kJ | 13 | 21 | 18 | 29 | 162 | 162 | 99 | 273 | 257 | 214 | 16 | 142 | 104 | 104 | 104 | 4 | 3 | 11 | 14 | 21 | 51 | 9 | 9 | 36 |
Swell 3 Height (m) Direction Period (s) | S 20 | S 20 | S 20 | S 18 | SSE 6 | W 8 | SE 6 | SE 6 | SSE 6 | SSE 6 | ENE 8 | SSE 6 | E 10 | SE 8 | ESE 8 | N 11 | N 10 | W 12 | SSW 15 | W 11 | W 11 | NNW 12 | N 10 | W 11 |
| kJ | 67 | 67 | 67 | 162 | 13 | 1 | 9 | 10 | 15 | 16 | 21 | 15 | 8 | 16 | 26 | 9 | 8 | 11 | 21 | 10 | 9 | 14 | 7 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | NE 7 | NE 6 | NE 7 | ENE 7 | NE 7 | NE 7 | NE 7 | NE 7 | NE 6 | NE 7 | ENE 6 | NE 6 | NE 6 | ENE 6 | ENE 6 | ENE 6 | NE 6 | ENE 6 | NE 6 | NE 6 | NE 6 | NE 5 |
| kJ | 120 | 120 | 91 | 58 | 73 | 107 | 106 | 73 | 79 | 65 | 42 | 54 | 80 | 54 | 64 | 67 | 82 | 80 | 62 | 77 | 73 | 68 | 52 | 41 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 5 | 9 | 5 | 5 | 9 | 6 | 5 | 2 | 2 | 2 | 2 | 5 | 6 | 5 | 5 | 2 | 2 | 0 | 6 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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