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Surf Forecasts:
Ewa Beach Park surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Sunday 31 May 2026 HSTForecast update in hr min s Forecast update imminent
Ewa Beach Park surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Ewa Beach Park sea temperature is
25.3° C
(Which is normal for this time of year)How big are the waves at Ewa Beach Park today (31 May):
- Morning surf: Morning surf (31 May, local time) - 3ft (0.9m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 2.5ft (0.8m), 15s period with SSW swell.
- Evening surf: Evening surf (31 May, local time) - 2.5ft (0.8m), 14s period with SSW swell.
The current surf forecast for Ewa Beach Park at 4PM is: 0.8m 15s primary swell from a South-southwest direction and 0.7m 7s secondary swell from a East direction (forecast issued at 01:00pm May 31). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 3ft (0.9m) | 15s |
| Afternoon (31 May) | 2.5ft (0.8m) | 15s |
| Evening (31 May) | 2.5ft (0.8m) | 14s |
Table - waves today at Ewa Beach Park. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 26°C on Sun afternoon, min 23°C on Sun night). Winds increasing (light winds from the E on Sun afternoon, fresh winds from the E by Wed morning). | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 19 | S 19 | S 19 | S 19 | SSW 18 | S 18 | S 18 | SSW 17 | S 17 | S 16 | S 20 | SSW 16 | S 16 | S 19 | SSW 17 | S 18 | SSW 18 | SSW 18 | S 18 | SSW 17 | |
375 | 288 | 280 | 276 | 276 | 369 | 361 | 441 | 534 | 639 | 632 | 505 | 589 | 542 | 618 | 778 | 752 | 752 | 997 | 1421 | 1081 | 919 | 632 | 1175 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 4:24PM0.75m | 3:45AM0.27m | 5:00PM0.74m | 4:20AM0.26m | 5:37PM0.73m | 5:01AM0.25m | ||||||||||||||||||
Low Tide | 8:43AM0.05m | 11:50PM0.18m | 9:16AM0.05m | 00:33AM0.18m | 9:48AM0.06m | 1:17AM0.19m | ||||||||||||||||||
 | |  |  | |  | | | | | | | | | | | | | | | | |  | | |
 | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — |
 | — | — | 7:08 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | — | — | — | 7:09 | — | — | — | — | 7:10 |
— | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 26 | 26 | 25 | 24 | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 24 | 24 | 24 | 24 | 24 |
26 | 27 | 27 | 26 | 25 | 24 | 24 | 24 | 25 | 26 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 23 | 23 | 25 | 24 | 22 | |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 19 | SSW 18 | S 18 | S 18 | SSW 17 | S 17 | S 16 | S 20 | SSW 16 | S 16 | S 16 | SSW 17 | S 18 | SSW 18 | SSW 18 | SSW 15 | SSW 17 |
 kJ | 375 | 288 | 280 | 276 | 276 | 346 | 341 | 441 | 534 | 639 | 632 | 505 | 589 | 542 | 618 | 778 | 752 | 620 | 997 | 1421 | 1081 | 919 | 558 | 1175 |
Swell 2 Height (m) Direction Period (s) | E 8 | E 7 | E 7 | E 8 | E 8 | E 8 | S 19 | SSW 14 | S 14 | E 7 | SSW 13 | S 13 | S 13 | S 21 | SSW 16 | S 20 | SSW 20 | S 19 | S 20 | NNW 11 | SSW 14 | SSW 14 | S 18 | E 7 |
| kJ | 72 | 70 | 54 | 55 | 55 | 57 | 361 | 213 | 195 | 70 | 137 | 125 | 125 | 436 | 346 | 611 | 634 | 752 | 373 | 23 | 276 | 350 | 632 | 111 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | SSW 20 | S 19 | S 19 | NNW 10 | S 10 | S 10 | S 14 | S 21 | S 21 | S 21 | S 13 | S 13 | NNW 9 | NNW 12 | NNW 12 | NNW 11 | SE 9 | NNW 11 | ENE 6 | ENE 7 | NNW 10 |
| kJ | 36 | 35 | 35 | 131 | 273 | 369 | 10 | 17 | 7 | 132 | 81 | 329 | 332 | 125 | 176 | 8 | 14 | 28 | 25 | 3 | 22 | 70 | 73 | 19 |
Wind waves Height (m) Direction Period (s) | NE 7 | ENE 7 | NE 7 | — | — | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 7 | E 7 | ENE 7 | ENE 6 | ENE 6 | ENE 6 | E 6 | E 6 | ENE 5 | ENE 6 | ENE 6 | E 6 | — | ENE 6 | ENE 7 |
| kJ | 79 | 117 | 60 | — | — | 99 | 77 | 94 | 90 | 117 | 70 | 89 | 52 | 67 | 72 | 73 | 80 | 87 | 114 | 126 | 81 | — | 153 | 186 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 5 | 0 | 0 | 4 | 0 | 0 | 0 | 12 | 12 | 12 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 15 | 14 | 14 | 14 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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