Surf Forecasts:
How big are the waves at Makapu'u today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 4.5ft (1.4m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 4ft (1.2m), 7s period with ENE swell.
- Evening surf: Evening surf (18 Aug, local time) - 4ft (1.2m), 8s period with ENE swell.
The current surf forecast for Makapu'u at 5AM is: 1.4m 7s primary swell from a East-northeast direction and 0.7m 13s secondary swell from a South direction, 0.3m 9s secondary swell from a East direction (forecast issued at 01:00am August 18). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4.5ft (1.4m) | 7s |
| Afternoon (18 Aug) | 4ft (1.2m) | 7s |
| Evening (18 Aug) | 4ft (1.2m) | 8s |
Table - waves today at Makapu'u. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed afternoon, min 24°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Tuesday 18 | Wednesday 19 | Thursday 20 | ||||||||||||||||||||||
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 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 13 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 193 | 188 | 183 | 188 | 164 | 121 | 155 | 147 | 155 | 184 | 112 | 109 | 84 | 107 | 104 | 104 | 102 | 99 | 204 | 207 | 207 | 202 | 186 | 179 |
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 | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 8:02AM0.45m | 4:17PM0.43m | 10:23AM0.47m | 11:48AM0.51m | ||||||||||||||||||||
Low Tide | 11:52PM0.07m | 12:27PM0.33m | 00:26AM0.08m | 1:15AM0.09m | ||||||||||||||||||||
 | |  | | | |  | | | |  | | | | | | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 25 |
Feels °C | 23 | 24 | 23 | 24 | 23 | 23 | 24 | 24 | 23 | 23 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 25 | 25 | 27 | 26 | 27 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 13 | S 13 | ENE 7 | ENE 7 | E 8 | S 13 | S 13 | S 13 | S 12 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | NE 7 | NE 7 |
| kJ | 170 | 167 | 165 | 188 | 164 | 99 | 119 | 119 | 117 | 72 | 112 | 109 | 84 | 107 | 104 | 104 | 102 | 99 | 76 | 74 | 71 | 72 | 94 | 96 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | SW 16 | S 13 | S 13 | S 13 | SW 18 | SW 18 | SW 18 | NE 7 | S 12 | S 12 | SW 16 | S 12 | SW 16 | S 12 | SW 16 | SW 17 | NE 6 | SSW 18 | SSW 18 | NE 7 | SSW 17 | SSW 16 |
| kJ | 15 | 15 | 69 | 121 | 119 | 119 | 80 | 80 | 79 | 14 | 69 | 69 | 130 | 71 | 129 | 45 | 129 | 140 | 40 | 207 | 207 | 46 | 186 | 179 |
Swell 3 Height (m) Direction Period (s) | SW 6 | SW 6 | E 9 | SW 17 | SW 18 | SSW 18 | W 13 | W 12 | W 12 | NNE 7 | SW 16 | SW 16 | S 12 | SSW 16 | S 12 | SW 16 | S 12 | S 12 | SSW 18 | S 11 | SSE 12 | SSW 17 | E 8 | E 8 |
| kJ | 6 | 6 | 15 | 74 | 78 | 121 | 13 | 12 | 11 | 9 | 68 | 129 | 44 | 100 | 45 | 66 | 45 | 44 | 204 | 39 | 28 | 202 | 41 | 28 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | — | NE 6 | NE 6 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NE 7 | NE 7 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | NE 6 | — | NNE 6 | NE 6 | — | — | — |
| kJ | 193 | 188 | 183 | — | 39 | 31 | 155 | 147 | 155 | 184 | 47 | 44 | 40 | 39 | 31 | 46 | 42 | 42 | — | 35 | 42 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 49 | 20 | 49 | 21 | 49 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 16 | 8 | 16 | 16 | 8 | 8 | 8 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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