Surf Forecasts:
How big are the waves at Waimanalo today (16 Sep):
- Morning surf: Morning surf (16 Sep, local time) - 4.5ft (1.3m), 6s period with ENE swell.
- Afternoon surf: Afternoon surf (16 Sep, local time) - 4.5ft (1.4m), 6s period with NE swell.
- Evening surf: Evening surf (16 Sep, local time) - 5ft (1.6m), 6s period with NE swell.
The current surf forecast for Waimanalo at 7AM is: 1.3m 6s primary swell from a East-northeast direction and 0.5m 11s secondary swell from a East direction (forecast issued at 01:00am September 16). An open ocean swell of 0.4m 18s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | 4.5ft (1.3m) | 6s |
| Afternoon (16 Sep) | 4.5ft (1.4m) | 6s |
| Evening (16 Sep) | 5ft (1.6m) | 6s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 12mm), 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) | ENE 6 | ENE 6 | ENE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NE 6 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 9 | ENE 9 | E 9 | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 7 | E 7 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 65 | 107 | 120 | 131 | 152 | 195 | 192 | 255 | 287 | 296 | 342 | 407 | 489 | 721 | 623 | 506 | 494 | 520 | 472 | 484 | 461 | 459 | 411 | 411 |
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 | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on | cross-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 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:32 | — | — | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | — | — | — | — | — | — | — | 1 | — | — | 1 | 1 | 3 | 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 | 27 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 25 | 25 | 26 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | E 11 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | SW 16 | SSW 16 | SSW 16 | SW 16 | SW 17 | NNE 6 | NNE 7 | SW 17 | SSW 17 | SSW 17 | SW 17 | SW 17 | SSW 16 | SSW 16 |
| kJ | 37 | 57 | 53 | 51 | 72 | 73 | 75 | 72 | 96 | 94 | 66 | 25 | 25 | 40 | 71 | 53 | 47 | 76 | 119 | 116 | 74 | 70 | 107 | 49 |
Swell 2 Height (m) Direction Period (s) | E 11 | SW 19 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | SW 17 | SW 16 | S 11 | SSW 19 | SSW 19 | SSW 19 | S 10 | SW 18 | SSW 18 | SSW 18 | S 10 | S 10 | S 21 | SE 9 | SSE 6 | SW 16 |
| kJ | 37 | 90 | 82 | 80 | 79 | 79 | 79 | 78 | 76 | 69 | 2 | 37 | 37 | 36 | 2 | 83 | 124 | 31 | 2 | 2 | 9 | 3 | 4 | 43 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SW 12 | SW 12 | N 9 | N 10 | SW 11 | SW 11 | SW 11 | SW 11 | S 11 | SW 11 | SE 11 | S 10 | SE 10 | S 10 | S 10 | S 10 | S 10 | NW 11 | NW 10 | S 9 | S 21 | SE 8 | S 9 |
| kJ | 95 | 6 | 6 | 2 | 7 | 5 | 5 | 5 | 5 | 2 | 5 | 4 | 2 | 4 | 2 | 2 | 2 | 2 | 5 | 4 | 2 | 9 | 3 | 2 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | ENE 6 | NE 6 | NE 6 | NE 6 | NE 7 | NE 6 | NE 7 | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 9 | ENE 9 | E 9 | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 7 | E 7 |
| kJ | 65 | 107 | 120 | 131 | 152 | 195 | 192 | 255 | 287 | 296 | 342 | 407 | 489 | 721 | 623 | 506 | 494 | 520 | 472 | 484 | 461 | 459 | 411 | 411 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 15 | 16 | 15 | 18 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 44 | 50 | 45 | 44 | 44 | 44 | 44 | 46 | 50 | 50 | 50 | 50 | 44 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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