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Surf Forecasts:
Pass (Ovaka) surfForecast / Vava'u / Tonga
48hr Weather and Surf, issued 12 pm Monday 18 May 2026 +13Forecast update in hr min s Forecast update imminent
Pass (Ovaka) surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Pass (Ovaka) sea temperature is
27.8° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Pass (Ovaka) today?
The current surf forecast for Pass (Ovaka) at 6PM is: 0.8m 14s primary swell from a South direction and 0.3m 10s secondary swell from a South direction (forecast issued at 12:00pm May 18). An open ocean swell of 2.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (+13) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 2.5ft (0.8m) | 15s |
| Afternoon (18 May) | 2.5ft (0.7m) | 14s |
| Evening (18 May) | 2.5ft (0.8m) | 13s |
Table - waves today at Pass (Ovaka). (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 32mm), heaviest during Tue morning. Warm (max 25°C on Mon morning, min 22°C on Tue morning). Winds decreasing (strong winds from the ESE on Mon morning, calm by Tue night). | ||||||||||||||||||||||||
Mon 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | SSE 8 | SE 8 | S 16 | S 16 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | |
272 | 257 | 184 | 232 | 229 | 222 | 212 | 199 | 148 | 146 | 106 | 102 | 126 | 153 | 183 | 178 | 119 | 107 | 103 | 144 | 125 | 119 | 117 | 100 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-on | cross-on | on | on | on | on | on | on | |
High Tide | 7:48AM1.35m | 8:35PM1.18m | 8:46AM1.34m | 9:34PM1.17m | 9:45AM1.32m | 10:35PM1.16m | ||||||||||||||||||
Low Tide | 2:19PM-0.04m | 2:32AM0.14m | 3:17PM-0.04m | 3:31AM0.16m | 4:16PM-0.02m | 4:33AM0.18m | ||||||||||||||||||
 |  | |  | | |  |  |  |  |  |  |  | | | |  | | | | | | | | |
 | 6:56 | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — |
 | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | 6:07 |
— | — | — | — | — | — | 2 | 5 | 9 | 11 | 4 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 | 24 |
21 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 22 | 24 | 21 | 24 | 26 | 27 | 28 | 27 | 27 | 26 | 24 | 25 | 26 | 24 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | SSE 8 | SSE 8 | SSE 8 | ESE 8 | S 12 | ESE 8 | E 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 | ESE 9 |
 kJ | 272 | 257 | 184 | 232 | 229 | 222 | 88 | 117 | 108 | 398 | 106 | 314 | 169 | 153 | 267 | 261 | 235 | 247 | 252 | 252 | 300 | 313 | 313 | 313 |
Swell 2 Height (m) Direction Period (s) | SW 13 | SW 13 | S 16 | S 10 | SW 13 | SW 13 | S 13 | S 12 | S 12 | S 12 | SE 14 | S 12 | SSE 8 | E 8 | S 16 | S 16 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 |
| kJ | 45 | 27 | 46 | 19 | 27 | 27 | 212 | 199 | 148 | 146 | 48 | 102 | 126 | 121 | 183 | 178 | 119 | 107 | 103 | 144 | 125 | 119 | 117 | 100 |
Swell 3 Height (m) Direction Period (s) | N 9 | S 16 | S 10 | SW 13 | ESE 14 | SE 14 | SE 14 | SE 14 | SE 14 | SE 14 | S 18 | SE 13 | S 12 | S 16 | S 12 | S 12 | S 12 | S 11 | S 11 | SE 13 | NE 8 | NE 8 | ESE 13 | NE 8 |
| kJ | 6 | 20 | 18 | 27 | 21 | 31 | 46 | 47 | 49 | 49 | 57 | 44 | 98 | 130 | 67 | 42 | 42 | 37 | 41 | 45 | 17 | 17 | 17 | 16 |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 7 | E 7 | E 8 | — | ESE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 688 | 672 | 650 | 578 | 547 | 498 | 303 | 302 | 282 | — | 376 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 583 | 583 | 588 | 916 | 916 | 588 | 874 | 916 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 611 | 583 | 578 | 578 | 581 | 581 |
Best forecast wave conditions in Tonga Vava'u | ||||||||||||||||||||||||
Best forecast wave conditions in Tonga | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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