Surf Forecasts:
How big are the waves at Ewa Beach Park today (30 Sep):
- Morning surf: Morning surf (30 Sep, local time) - 2.5ft (0.8m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (30 Sep, local time) - 2.5ft (0.7m), 14s period with E swell.
- Evening surf: Evening surf (30 Sep, local time) - 3.5ft (1.1m), 6s period with S swell.
The current surf forecast for Ewa Beach Park at 5AM is: 0.8m 15s primary swell from a South-southwest direction and 0.9m 8s secondary swell from a East-northeast direction, 0.9m 6s secondary swell from a South direction (forecast issued at 01:00am September 30). An open ocean swell of 1.1m 11s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Sep) | 2.5ft (0.8m) | 15s |
| Afternoon (30 Sep) | 2.5ft (0.7m) | 14s |
| Evening (30 Sep) | 3.5ft (1.1m) | 6s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Wed afternoon. Warm (max 27°C on Thu morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 30 | Thursday 1 | Friday 2 | ||||||||||||||||||||||
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) | SSW 16 | SSW 15 | SSW 15 | E 14 | E 14 | E 13 | S 6 | SSW 14 | E 8 | E 14 | SW 14 | SW 13 | E 8 | S 14 | E 8 | E 8 | E 8 | S 14 | S 14 | S 13 | SSW 14 | SSW 13 | SSW 13 | SSW 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 318 | 302 | 283 | 253 | 191 | 119 | 98 | 186 | 103 | 383 | 91 | 88 | 84 | 98 | 78 | 80 | 78 | 101 | 94 | 130 | 201 | 176 | 168 | 160 |
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 | cross-on | on | cross-on | cross-on | cross | cross | cross | cross-on | on | cross-on | cross | cross |
High Tide | 6:27AM0.70m | 5:17PM0.31m | 7:29AM0.69m | 5:40PM0.26m | 8:45AM0.67m | |||||||||||||||||||
Low Tide | 1:39PM0.25m | 11:28PM0.06m | 3:46PM0.26m | 00:10AM0.09m | ||||||||||||||||||||
 | |  |  | | |  | | |  | |  | | | |  | | | | | |  | | | |
 | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | — | — | — | 2 | 3 | 1 | 2 | 2 | 1 | — | 2 | 3 | — | — | — | 1 | 2 | 1 | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 25 | 25 | 26 | 27 | 26 | 26 | 26 | 25 |
Feels °C | 26 | 27 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | WSW 12 | W 11 | W 10 | W 10 | W 11 | W 10 | S 6 | S 6 | S 6 | E 14 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 7 | E 7 | E 6 | SSW 13 | E 7 |
| kJ | 288 | 286 | 202 | 188 | 267 | 192 | 98 | 66 | 50 | 383 | 82 | 84 | 84 | 80 | 78 | 80 | 78 | 60 | 57 | 54 | 49 | 54 | 168 | 56 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | W 8 | W 8 | W 8 | W 8 | W 8 | S 5 | S 5 | S 5 | W 8 | W 8 | W 8 | W 9 | SSW 13 | W 8 | SSW 12 |
| kJ | 107 | 107 | 104 | 100 | 80 | 80 | 80 | 80 | 103 | 66 | 68 | 47 | 45 | 42 | 33 | 25 | 19 | 45 | 64 | 69 | 74 | 176 | 71 | 160 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 15 | SSW 15 | E 14 | E 14 | E 13 | W 9 | SSW 14 | W 8 | SW 14 | SW 14 | SW 13 | E 13 | S 14 | W 8 | W 8 | W 8 | S 14 | S 14 | S 13 | SSW 14 | W 9 | S 5 | W 8 |
| kJ | 318 | 302 | 283 | 253 | 191 | 119 | 102 | 186 | 63 | 102 | 91 | 88 | 54 | 98 | 42 | 44 | 44 | 101 | 94 | 130 | 201 | 74 | 20 | 69 |
Wind waves Height (m) Direction Period (s) | SSE 6 | S 6 | S 6 | S 6 | S 6 | S 6 | — | S 6 | — | S 5 | S 5 | S 5 | S 5 | S 5 | SSE 5 | SSE 5 | — | SSE 5 | SSE 5 | SSE 5 | SSE 5 | S 5 | — | ENE 6 |
| kJ | 48 | 54 | 89 | 109 | 98 | 98 | — | 77 | — | 46 | 43 | 42 | 52 | 42 | 39 | 37 | — | 18 | 19 | 19 | 13 | 17 | — | 33 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 26 | 26 | 33 | 33 | 35 | 36 | 28 | 35 | 28 | 25 | 28 | 13 | 33 | 35 | 13 | 13 | 10 | 10 | 10 | 13 | 13 | 10 | 4 | 4 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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