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Pass (Ovaka) surfForecast / Vava'u / Tonga
48hr Weather and Surf, issued 6 am 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 2PM is: 0.7m 14s primary swell from a South direction and 0.3m 13s secondary swell from a Southwest direction (forecast issued at 06:00am 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 ForecastModerate rain (total 12mm), heaviest on Tue morning. Warm (max 25°C on Mon morning, min 22°C on Tue afternoon). Winds decreasing (strong winds from the ESE on Mon morning, light winds from the SW by Wed morning). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SE 8 | SE 8 | SE 8 | S 16 | S 16 | S 16 | SE 9 | SE 9 | SE 9 | S 13 | S 13 | |
157 | 212 | 272 | 257 | 184 | 232 | 229 | 222 | 212 | 199 | 148 | 146 | 106 | 162 | 135 | 132 | 183 | 178 | 119 | 275 | 281 | 275 | 125 | 116 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross-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 | 1:34AM0.14m | 2:19PM-0.04m | 2:32AM0.14m | 3:17PM-0.04m | 3:31AM0.16m | 4:16PM-0.02m | ||||||||||||||||||
 |  | | | |  | | |  |  | | |  |  | | | |  | | | |  | | | |
 | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | — | 6:56 | — | — | — | — | — | — | 6:56 |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:07 | — | — | 6:07 |
— | — | — | — | — | — | — | — | 1 | 1 | 2 | 3 | 2 | 1 | 2 | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 |
20 | 20 | 21 | 20 | 21 | 19 | 21 | 22 | 23 | 21 | 23 | 21 | 21 | 23 | 23 | 24 | 25 | 25 | 26 | 25 | 26 | 26 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 13 | S 13 | SE 8 | SSE 8 | S 12 | ESE 8 | ESE 8 | E 8 | E 8 | SE 8 | ESE 8 | ESE 8 | ESE 8 | SE 9 | SE 9 | SE 9 | ESE 9 | ESE 9 |
 kJ | 157 | 212 | 272 | 257 | 184 | 232 | 229 | 222 | 151 | 106 | 148 | 394 | 376 | 172 | 135 | 132 | 254 | 224 | 230 | 275 | 281 | 275 | 258 | 313 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 13 | SW 13 | S 16 | S 10 | SW 13 | SW 13 | S 13 | S 12 | SE 14 | S 12 | S 12 | SE 8 | SE 8 | E 8 | S 16 | S 16 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 |
| kJ | 53 | 49 | 45 | 27 | 46 | 19 | 27 | 27 | 212 | 199 | 49 | 146 | 106 | 162 | 135 | 95 | 183 | 178 | 119 | 107 | 103 | 142 | 125 | 116 |
Swell 3 Height (m) Direction Period (s) | S 18 | N 9 | N 9 | S 16 | S 10 | SW 13 | ESE 14 | SE 14 | E 10 | SE 14 | E 10 | SE 14 | SE 14 | S 12 | S 12 | S 16 | S 12 | S 12 | S 12 | S 11 | S 11 | SE 14 | NE 8 | NE 8 |
| kJ | 55 | 6 | 6 | 20 | 18 | 44 | 21 | 31 | 17 | 47 | 16 | 49 | 48 | 104 | 98 | 130 | 67 | 66 | 66 | 63 | 64 | 46 | 10 | 17 |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | ESE 8 | E 7 | E 7 | ESE 8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 778 | 731 | 688 | 666 | 597 | 527 | 527 | 463 | 200 | 210 | 384 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 588 | 588 | 588 | 583 | 583 | 916 | 916 | 916 | 916 | 782 | 602 | 588 | 0 | 0 | 0 | 0 | 7 | 286 | 286 | 7 | 7 | 7 | 578 | 591 |
Best forecast wave conditions in Tonga Vava'u | ||||||||||||||||||||||||
Best forecast wave conditions in Tonga | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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