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Avana surfForecast / Rarotonga / Cook Islands
48hr Weather and Surf, issued 1 pm Thursday 21 May 2026 -10Forecast update in hr min s Forecast update imminent
Avana surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Avana sea temperature is
26.6° C
(Which is 1.3°C warmer than normal for this time of year)How big are the waves at Avana today?
The current surf forecast for Avana at 6PM is: 1.3m 12s primary swell from a South direction and 0.8m 8s secondary swell from a East direction (forecast issued at 01:00pm May 21). An open ocean swell of 1.0m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (-10) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 May) | 4ft (1.2m) | 12s |
| Afternoon (21 May) | 4.5ft (1.3m) | 12s |
| Evening (21 May) | 5ft (1.5m) | 12s |
Table - waves today at Avana. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Thu afternoon, min 23°C on Fri night). Mainly fresh winds. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
S 12 | S 12 | S 12 | S 12 | S 11 | S 13 | S 12 | S 14 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 12 | SSW 12 | S 11 | S 11 | S 11 | S 11 | SSE 10 | SE 10 | SE 10 | SE 10 | |
416 | 496 | 496 | 547 | 630 | 395 | 537 | 1267 | 1305 | 1459 | 1519 | 1447 | 1310 | 1187 | 983 | 872 | 651 | 441 | 629 | 533 | 500 | 524 | 681 | 712 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 1:12PM0.61m | 2:00AM0.49m | 2:18PM0.57m | 3:05AM0.49m | 3:22PM0.53m | 4:04AM0.51m | ||||||||||||||||||
Low Tide | 7:31PM-0.02m | 7:51AM0.08m | 8:33PM-0.00m | 8:57AM0.07m | 9:30PM0.01m | |||||||||||||||||||
 | | |  | |  | |  |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | — | 7:05 | — |
 | — | — | 6:06 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | 6:05 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 23 |
25 | 25 | 24 | 24 | 23 | 22 | 22 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 21 | 21 | 19 | 18 | 19 | 20 | 21 | 19 | |
Swell 1 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | S 12 | S 11 | S 13 | S 12 | S 14 | S 13 | S 12 | S 12 | S 12 | S 12 | S 12 | SSW 12 | SSW 12 | S 11 | SE 10 | S 11 | S 11 | SSE 10 | S 10 | S 10 | S 10 |
 kJ | 416 | 496 | 496 | 547 | 630 | 395 | 537 | 1267 | 1305 | 1459 | 1519 | 1447 | 1310 | 1187 | 983 | 872 | 651 | 424 | 629 | 533 | 500 | 327 | 284 | 230 |
Swell 2 Height (m) Direction Period (s) | ESE 8 | ESE 8 | E 8 | E 8 | E 8 | SSE 11 | S 14 | E 8 | SW 7 | E 8 | NNE 10 | NNE 10 | S 15 | SSW 14 | SSE 11 | SSE 11 | SE 10 | S 11 | SE 10 | SE 10 | SSW 11 | SSW 11 | SSW 11 | SSW 17 |
| kJ | 87 | 87 | 82 | 63 | 64 | 286 | 496 | 45 | 79 | 31 | 40 | 38 | 109 | 207 | 450 | 433 | 392 | 441 | 450 | 396 | 401 | 98 | 51 | 101 |
Swell 3 Height (m) Direction Period (s) | N 5 | N 5 | NNW 5 | NNW 5 | NNE 9 | E 8 | E 8 | NE 9 | E 8 | NE 9 | E 8 | E 8 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | SSW 13 | SSW 12 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NE 9 | NE 9 |
| kJ | 13 | 12 | 8 | 8 | 31 | 46 | 46 | 20 | 31 | 20 | 31 | 19 | 38 | 38 | 38 | 36 | 235 | 195 | 32 | 32 | 32 | 20 | 20 | 19 |
Wind waves Height (m) Direction Period (s) | W 5 | WSW 6 | WSW 6 | WSW 7 | W 7 | W 7 | W 7 | W 7 | WNW 7 | WSW 7 | W 7 | W 7 | W 6 | WSW 6 | WSW 6 | — | — | — | — | — | SE 4 | SE 10 | SE 10 | SE 10 |
| kJ | 55 | 59 | 85 | 111 | 138 | 166 | 146 | 150 | 62 | 143 | 134 | 107 | 81 | 62 | 48 | — | — | — | — | — | 8 | 524 | 681 | 712 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 994 | 0 | 994 | 0 | 994 | 994 | 994 | 994 | 2 | 2 | 2 | 2 | 1160 | 1140 | 1140 | 1043 | 994 | 995 | 994 | 994 |
Best forecast wave conditions in Cook-Islands - Rarotonga | ||||||||||||||||||||||||
Best forecast wave conditions in Cook Islands | ||||||||||||||||||||||||
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