Surf Forecasts:
How big are the waves at Halawa today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 0.5ft (0.1m), 10s period with NW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 0.5ft (0.1m), 11s period with N swell.
- Evening surf: Evening surf (20 Sep, local time) - 7.5ft (2.3m), 7s period with ENE swell.
The current surf forecast for Halawa at 10AM is: 0.1m 9s primary swell from a Northwest direction (forecast issued at 01:00am September 20). An open ocean swell of 0.5m 15s is not directed at the surf break, a second open ocean swell of 2.2m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 0.5ft (0.1m) | 10s |
| Afternoon (20 Sep) | 0.5ft (0.1m) | 11s |
| Evening (20 Sep) | 7.5ft (2.3m) | 7s |
Table - waves today at Halawa. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sun morning, min 25°C on Sun afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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) | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | N 11 | NW 9 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | N 14 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NNW 12 | NNW 11 | NNW 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 461 | 528 | 509 | 521 | 521 | 509 | 547 | 547 | 34 | 402 | 359 | 359 | 367 | 179 | 164 | 158 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 11:50AM0.74m | 10:58PM0.39m | 12:17PM0.78m | 11:48PM0.46m | 12:40PM0.80m | |||||||||||||||||||
Low Tide | 3:01AM0.27m | 7:44PM0.36m | 4:33AM0.25m | 7:21PM0.34m | 5:28AM0.22m | 7:22PM0.30m | ||||||||||||||||||
 |  |  |  | | | |  | | | | | | | | | | | | | | | | | |
 | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 24 | 25 | 24 | 24 | 24 | 23 | 22 | 23 | 23 | 22 | 24 | 23 | 24 | 25 | 25 | 24 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 23 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SW 16 | SW 15 | SSW 15 | SSW 15 | SSW 15 | SW 15 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | N 14 | N 13 | N 13 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 |
| kJ | 166 | 166 | 118 | 109 | 85 | 85 | 85 | 55 | 53 | 53 | 52 | 64 | 75 | 71 | 35 | 34 | 34 | 89 | 119 | 152 | 189 | 179 | 164 | 158 |
Swell 2 Height (m) Direction Period (s) | NW 10 | NW 10 | NW 10 | NW 9 | N 11 | N 11 | NW 9 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SW 14 | N 10 | NNW 10 | SW 14 | SW 14 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 12 | SSW 12 | SSW 12 | SSW 12 |
| kJ | 4 | 4 | 4 | 3 | 2 | 2 | 3 | 42 | 42 | 40 | 40 | 32 | 2 | 9 | 29 | 31 | 34 | 33 | 31 | 32 | 31 | 29 | 29 | 29 |
Swell 3 Height (m) Direction Period (s) | N 12 | N 12 | N 12 | N 11 | NW 9 | NW 9 | N 11 | NW 9 | NNW 10 | N 10 | N 10 | N 10 | W 11 | NW 10 | NNW 10 | N 15 | SW 14 | SW 14 | SSW 13 | SSW 13 | SW 13 | W 12 | SSW 17 | SW 17 |
| kJ | 3 | 3 | 3 | 2 | 3 | 3 | 2 | 3 | 10 | 8 | 8 | 8 | 2 | 4 | 10 | 17 | 30 | 29 | 18 | 18 | 7 | 11 | 28 | 44 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | 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 8 | E 9 |
| kJ | 603 | 573 | 467 | 453 | 467 | 427 | 440 | 502 | 461 | 528 | 509 | 521 | 521 | 509 | 547 | 547 | 448 | 402 | 359 | 359 | 367 | 405 | 616 | 791 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 31 | 31 |
Best forecast wave conditions in Molokai | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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