Surf Forecasts:
How big are the waves at Number Fours today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 2.5ft (0.7m), 14s period with S swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 1.5ft (0.5m), 19s period with S swell.
- Evening surf: Evening surf (21 Jun, local time) - 1.5ft (0.5m), 19s period with S swell.
The current surf forecast for Number Fours at 4AM is: 0.7m 14s primary swell from a South direction and 0.4m 18s secondary swell from a Southwest direction (forecast issued at 07:00pm June 20). An open ocean swell of 0.7m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 2.5ft (0.7m) | 14s |
| Afternoon (21 Jun) | 1.5ft (0.5m) | 19s |
| Evening (21 Jun) | 1.5ft (0.5m) | 19s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Tue afternoon. Warm (max 26°C on Sun morning, min 24°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tue 23 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 15 | S 14 | S 14 | S 20 | S 19 | S 19 | S 19 | S 18 | S 18 | S 18 | S 12 | S 12 | S 16 | ENE 10 | S 16 | S 16 | S 16 | SSW 16 | ENE 6 | E 6 | E 6 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 109 | 157 | 110 | 106 | 206 | 191 | 186 | 184 | 184 | 181 | 155 | 221 | 227 | 105 | 72 | 130 | 225 | 186 | 131 | 131 | 86 | 50 | 23 | 19 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:42PM0.47m | 11:01AM0.35m | 9:26PM0.38m | 12:01PM0.42m | 10:12PM0.30m | 12:49PM0.49m | ||||||||||||||||||
Low Tide | 2:14PM0.17m | 4:03AM-0.03m | 3:59PM0.22m | 4:37AM-0.02m | 5:57PM0.23m | 5:09AM-0.02m | ||||||||||||||||||
 |  |  | | | | | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | — | 7:15 | — | — | — | — | — | — | 7:15 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 25 | 24 | 25 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 |
Feels °C | 26 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 26 | 24 | 24 | 25 | 25 | 24 | 24 | 25 | 23 | 22 | 22 | 23 | 22 | 23 | 25 | 26 |
Swell 1 Height (m) Direction Period (s) | S 12 | S 15 | S 12 | S 12 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 18 | S 18 | E 4 | E 5 | NE 11 | S 16 | S 16 | S 12 | S 16 | NE 10 | ENE 6 | E 6 | NE 10 |
| kJ | 99 | 157 | 68 | 69 | 206 | 191 | 173 | 170 | 123 | 123 | 121 | 221 | 227 | 14 | 25 | 72 | 186 | 186 | 72 | 131 | 61 | 50 | 23 | 154 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 12 | S 15 | S 15 | SW 18 | NE 8 | S 20 | S 19 | S 19 | NE 8 | S 18 | S 13 | NE 11 | NE 11 | NE 11 | S 12 | S 12 | S 12 | S 16 | S 12 | SSW 16 | NE 10 | NE 10 | E 6 |
| kJ | 109 | 67 | 110 | 106 | 79 | 17 | 186 | 184 | 184 | 21 | 155 | 117 | 75 | 75 | 73 | 69 | 69 | 72 | 131 | 44 | 86 | 60 | 59 | 19 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | NE 8 | NE 8 | SW 18 | NE 8 | S 20 | NE 8 | NE 8 | SW 16 | S 19 | NE 10 | NE 11 | S 13 | S 12 | S 12 | S 16 | SW 15 | SW 15 | SW 15 | N 7 | S 12 | S 12 | NE 5 | N 9 |
| kJ | 24 | 11 | 11 | 78 | 11 | 69 | 23 | 22 | 40 | 181 | 33 | 76 | 78 | 105 | 72 | 130 | 54 | 54 | 33 | 8 | 44 | 44 | 17 | 39 |
Wind waves Height (m) Direction Period (s) | ENE 5 | ENE 5 | ENE 4 | ENE 5 | ENE 5 | E 5 | ENE 5 | ENE 4 | ENE 8 | ENE 4 | ENE 4 | ENE 4 | E 4 | — | — | E 5 | ENE 10 | ENE 5 | ENE 5 | ENE 5 | ENE 6 | — | — | — |
| kJ | 28 | 22 | 21 | 24 | 25 | 24 | 17 | 21 | 91 | 15 | 16 | 19 | 18 | — | — | 37 | 225 | 71 | 77 | 95 | 80 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 13 | 31 | 1 | 31 | 31 | 31 | 2 | 31 | 1 | 31 | 28 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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