
Surf Forecasts:
How big are the waves at Waimanalo today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 5.5ft (1.7m), 7s period with E swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 6.5ft (2.0m), 7s period with E swell.
- Evening surf: Evening surf (31 Jul, local time) - 7.5ft (2.3m), 8s period with E swell.
The current surf forecast for Waimanalo at 1PM is: 1.9m 7s primary swell from a East direction and 0.7m 15s secondary swell from a East direction, 0.4m 8s secondary swell from a North direction (forecast issued at 07:00am July 31). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 5.5ft (1.7m) | 7s |
| Afternoon (31 Jul) | 6.5ft (2.0m) | 7s |
| Evening (31 Jul) | 7.5ft (2.3m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Fri morning, min 24°C on Sun night). Mainly strong winds. | |||||||||||||||||||||||
Friday 31 | Saturday 1 | Sunday 2 | |||||||||||||||||||||
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) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph | |||||||||||||||||||||||
279 | 315 | 352 | 416 | 439 | 578 | 737 | 838 | 825 | 890 | 836 | 792 | 824 | 824 | 889 | 908 | 864 | 740 | 740 | 682 | 705 | 688 | 619 | |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | on | on |
High Tide | 2:57AM0.35m | 4:27PM0.64m | 3:46AM0.36m | 4:44PM0.61m | 4:42AM0.37m | 4:58PM0.57m | |||||||||||||||||
Low Tide | 9:04AM-0.01m | 10:57PM0.16m | 9:37AM0.05m | 11:22PM0.13m | 10:12AM0.11m | ||||||||||||||||||
6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — | |
— | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 26 | 25 | 23 | 21 | 22 | 21 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | E 16 | E 15 | E 15 | E 15 | E 16 | E 15 | E 15 | E 15 | E 14 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 |
185 | 167 | 157 | 228 | 231 | 222 | 213 | 205 | 202 | 205 | 205 | 199 | 196 | 199 | 199 | 253 | 138 | 191 | 138 | 136 | 134 | 127 | 121 | |
Swell 2 Height (m) Direction Period (s) | N 9 | N 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 7 | N 8 | SSW 14 | N 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | N 8 |
25 | 24 | 23 | 12 | 12 | 12 | 12 | 11 | 11 | 5 | 10 | 4 | 18 | 9 | 18 | 17 | 16 | 16 | 26 | 25 | 14 | 13 | 13 | |
Swell 3 Height (m) Direction Period (s) | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 14 | SSW 14 | S 11 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SW 13 | SW 13 | S 13 |
29 | 28 | 27 | 26 | 26 | 25 | 25 | 11 | 11 | 11 | 19 | 18 | 9 | 18 | 19 | 20 | 20 | 20 | 19 | 18 | 7 | 7 | 14 | |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
279 | 315 | 352 | 416 | 439 | 578 | 737 | 838 | 825 | 890 | 836 | 792 | 824 | 824 | 889 | 908 | 864 | 740 | 740 | 682 | 705 | 688 | 619 | |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 18 | 50 | 52 | 56 | 56 | 52 | 117 | 118 | 118 | 147 | 138 | 118 | 118 | 50 | 57 | 118 | 50 | 52 | 118 | 118 | 146 | 50 | 50 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
Header Global | |||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)













