Surf Forecasts:
How big are the waves at Waimanalo today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 7ft (2.1m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 7.5ft (2.3m), 8s period with ENE swell.
- Evening surf: Evening surf (17 Sep, local time) - 6.5ft (2.0m), 9s period with ENE swell.
The current surf forecast for Waimanalo at 4AM is: 2.0m 7s primary swell from a East-northeast direction (forecast issued at 07:00pm September 16). An open ocean swell of 0.4m 16s is not directed at the surf break, a second open ocean swell of 0.1m 11s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 7ft (2.1m) | 7s |
| Afternoon (17 Sep) | 7.5ft (2.3m) | 8s |
| Evening (17 Sep) | 6.5ft (2.0m) | 9s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Thu night. Warm (max 27°C on Fri morning, min 26°C on Wed night). Mainly fresh winds. | |||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | |||||||||||||||||
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) | NE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 164 | 277 | 332 | 323 | 407 | 456 | 508 | 545 | 559 | 631 | 608 | 523 | 507 | 460 | 449 | 438 | 427 | 416 | 394 |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:37PM0.40m | 8:54AM0.49m | 10:52AM0.51m | ||||||||||||||||
Low Tide | 11:02PM0.07m | 11:41PM0.10m | |||||||||||||||||
 |  | | |  |  |  | | | | |  | | | | | | | | |
 | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | 1 | 1 | — | 1 | 1 | 2 | 1 | — | 1 | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 |
Feels °C | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | E 10 | SW 18 | SW 18 | E 10 | SW 16 | SW 16 | SSW 16 | SW 16 | SSW 19 | SW 19 | SW 18 | SSW 18 | SW 17 | SSW 17 | SSW 17 | SW 17 | SW 17 | SSW 16 | SSW 16 |
| kJ | 73 | 79 | 78 | 96 | 69 | 66 | 25 | 66 | 35 | 89 | 83 | 124 | 76 | 119 | 116 | 74 | 71 | 107 | 50 |
Swell 2 Height (m) Direction Period (s) | SW 18 | SW 11 | SW 11 | SW 17 | S 11 | S 11 | SSW 19 | SW 19 | SSW 16 | S 10 | S 10 | S 10 | SSW 18 | S 10 | S 10 | SE 9 | SSE 7 | SSE 6 | SW 16 |
| kJ | 79 | 5 | 5 | 76 | 2 | 2 | 37 | 15 | 24 | 2 | 2 | 2 | 31 | 2 | 2 | 3 | 5 | 4 | 43 |
Swell 3 Height (m) Direction Period (s) | SW 11 | S 11 | S 11 | SW 11 | SW 11 | SW 11 | S 11 | S 20 | SE 10 | S 10 | NW 12 | NW 12 | S 10 | NW 11 | NW 10 | NW 10 | S 21 | S 21 | S 9 |
| kJ | 5 | 3 | 2 | 5 | 5 | 5 | 2 | 8 | 4 | 2 | 6 | 6 | 2 | 5 | 4 | 4 | 9 | 8 | 2 |
Wind waves Height (m) Direction Period (s) | NE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
| kJ | 164 | 277 | 332 | 323 | 407 | 456 | 508 | 545 | 559 | 631 | 608 | 523 | 507 | 460 | 449 | 438 | 427 | 416 | 394 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 44 | 45 | 46 | 44 | 44 | 44 | 44 | 116 | 46 | 44 | 44 | 44 | 44 | 50 | 50 | 50 | 50 | 44 | 44 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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