Surf Forecasts:
How big are the waves at Tennis Courts today (31 Jul):
- Morning surf: Morning surf (31 Jul, local time) - 5.5ft (1.7m), 8s period with E swell.
- Afternoon surf: Afternoon surf (31 Jul, local time) - 6ft (1.9m), 8s period with ENE swell.
- Evening surf: Evening surf (31 Jul, local time) - 8ft (2.5m), 8s period with E swell.
The current surf forecast for Tennis Courts at 7AM is: 1.6m 7s primary swell from a East direction and 0.7m 13s secondary swell from a South direction, 0.7m 16s secondary swell from a East direction (forecast issued at 07:00pm July 30). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Jul) | 5.5ft (1.7m) | 8s |
| Afternoon (31 Jul) | 6ft (1.9m) | 8s |
| Evening (31 Jul) | 8ft (2.5m) | 8s |
Table - waves today at Tennis Courts. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Thu night. Warm (max 27°C on Fri morning, min 25°C on Fri night). Winds increasing (light winds from the ENE on Thu night, strong winds from the ENE by Fri night). | |||||||||||||||||||
Thu 30 | Friday 31 | Saturday 1 | |||||||||||||||||
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 18 | ENE 7 | ENE 7 | E 7 | E 7 | E 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 207 | 199 | 214 | 245 | 285 | 320 | 375 | 416 | 469 | 653 | 1049 | 1130 | 1220 | 1220 | 1220 | 1009 | 871 | 1009 | 1009 |
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 | cross-off | cross-off |
High Tide | 4:58PM0.68m | 5:11AM0.31m | 5:26PM0.64m | 5:57AM0.34m | 5:55PM0.59m | ||||||||||||||
Low Tide | 11:58PM0.07m | 10:29AM0.06m | 00:22AM0.06m | 11:14AM0.11m | |||||||||||||||
 |  |  | | |  | | | |  | | | | | | | | | | |
 | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:03 | — | — | — | — | — | — |
 | 7:10 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 |
Feels °C | 27 | 27 | 27 | 27 | 26 | 24 | 24 | 22 | 23 | 21 | 21 | 21 | 20 | 20 | 22 | 21 | 23 | 22 | 22 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 7 | ENE 7 | E 7 | S 13 | S 13 | S 12 | E 16 | E 16 | E 15 | SW 15 | E 15 | SW 15 | SSW 14 | SSW 14 | E 14 | E 14 | E 14 | E 14 |
| kJ | 181 | 199 | 214 | 245 | 163 | 158 | 153 | 231 | 301 | 222 | 223 | 205 | 171 | 138 | 127 | 196 | 196 | 257 | 260 |
Swell 2 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | S 13 | E 16 | E 15 | E 15 | SW 16 | SW 15 | SW 15 | S 12 | SW 15 | SSW 12 | SSW 12 | S 12 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
| kJ | 171 | 168 | 168 | 166 | 185 | 228 | 159 | 201 | 239 | 229 | 72 | 176 | 46 | 46 | 42 | 123 | 123 | 123 | 125 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SW 18 | SW 17 | SSW 16 | SW 16 | SW 16 | SW 16 | S 12 | S 12 | S 12 | N 8 | S 12 | N 8 | N 8 | S 15 | S 11 | S 11 | S 11 | S 11 |
| kJ | 207 | 152 | 145 | 177 | 208 | 208 | 206 | 110 | 106 | 73 | 5 | 72 | 5 | 5 | 5 | 39 | 39 | 22 | 22 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | E 7 | E 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | — | — | — | — | 285 | 320 | 375 | 416 | 469 | 653 | 1049 | 1130 | 1220 | 1220 | 1220 | 1009 | 871 | 1009 | 1009 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 36 | 28 | 28 | 0 | 28 | 36 | 39 | 39 | 129 | 131 | 131 | 39 | 132 | 45 | 158 | 128 | 131 | 43 | 45 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
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