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Avana surfForecast / Rarotonga / Cook Islands
48hr Weather and Surf, issued 7 am Monday 18 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
26.7° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Avana today?
The current surf forecast for Avana at 10AM is: 1.6m 13s primary swell from a South-southwest direction and 0.7m 13s secondary swell from a Southeast direction, 1.9m 7s secondary swell from a East-southeast direction (forecast issued at 07:00am May 18). The wind direction is predicted to be onshore.
| Time (-10) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5.5ft (1.7m) | 13s |
| Afternoon (18 May) | 5ft (1.5m) | 13s |
| Evening (18 May) | 5.5ft (1.7m) | 16s |
Table - waves today at Avana. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 60mm), heaviest during Tue morning. Warm (max 26°C on Wed afternoon, min 20°C on Mon night). Winds decreasing (strong winds from the ENE on Tue afternoon, light winds from the N by Wed morning). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | Thu 21 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 17 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | SSW 14 | SSW 13 | S 13 | SSW 13 | SSW 13 | SSW 13 | E 8 | S 14 | S 13 | S 12 | S 13 | E 9 | E 9 | |
1106 | 975 | 841 | 732 | 930 | 1321 | 2209 | 1989 | 1715 | 1622 | 1509 | 1215 | 1197 | 919 | 929 | 692 | 638 | 439 | 442 | 426 | 423 | 420 | 413 | 371 | |
Wind (km/h) | ||||||||||||||||||||||||
on | cross-on | on | on | cross-on | on | on | on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 10:07AM0.76m | 10:45PM0.56m | 11:05AM0.72m | 11:47PM0.52m | 12:07PM0.66m | 00:53AM0.50m | ||||||||||||||||||
Low Tide | 3:28AM-0.03m | 4:21PM-0.11m | 4:28AM0.00m | 5:23PM-0.07m | 5:32AM0.04m | 6:26PM-0.04m | ||||||||||||||||||
 |  | | | | | |  | |  | |  | |  | | | |  |  |  | |  | |  | |
 | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | — | 7:03 | — | — | — | — | — | — | 7:03 |
 | — | — | — | — | 6:07 | — | — | — | — | — | — | — | 6:06 | — | — | — | — | — | — | — | 6:06 | — | — | 6:06 |
— | — | — | — | — | — | — | 2 | 4 | 12 | 28 | 10 | — | — | — | — | — | — | — | 1 | 2 | 1 | — | — | |
Temp °C | 24 | 23 | 23 | 24 | 24 | 24 | 23 | 21 | 20 | 21 | 20 | 21 | 22 | 23 | 24 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 |
18 | 18 | 17 | 19 | 18 | 18 | 17 | 15 | 15 | 17 | 17 | 16 | 15 | 19 | 22 | 24 | 26 | 27 | 26 | 26 | 24 | 24 | 24 | 24 | |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 13 | SSW 13 | S 16 | S 16 | S 15 | S 14 | S 14 | S 14 | SSW 14 | SSW 13 | S 13 | SSW 13 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | ESE 9 | ESE 9 | E 9 | E 9 |
 kJ | 1106 | 975 | 841 | 732 | 643 | 1321 | 2209 | 1989 | 1715 | 1622 | 1509 | 1215 | 1197 | 919 | 929 | 385 | 310 | 378 | 337 | 173 | 252 | 304 | 390 | 340 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 13 | SE 13 | S 17 | S 17 | SSW 13 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SSW 16 | SE 9 | SSW 13 | SSW 13 | SSW 12 | S 14 | SE 8 | S 12 | S 13 | S 13 | S 12 |
| kJ | 149 | 167 | 196 | 600 | 930 | 522 | 118 | 69 | 68 | 68 | 68 | 67 | 47 | 229 | 75 | 692 | 638 | 439 | 442 | 167 | 423 | 420 | 413 | 371 |
Swell 3 Height (m) Direction Period (s) | NNW 15 | S 18 | S 18 | SE 12 | SE 12 | SE 12 | NNW 14 | NNW 14 | NNW 14 | NNW 14 | NNW 14 | NNW 14 | NNW 13 | SE 8 | SSE 16 | SE 8 | SE 8 | S 14 | SSW 12 | S 13 | ENE 8 | ENE 7 | SSW 12 | SSW 13 |
| kJ | 23 | 101 | 224 | 106 | 114 | 118 | 20 | 37 | 36 | 36 | 36 | 18 | 17 | 34 | 51 | 70 | 109 | 264 | 278 | 426 | 120 | 93 | 129 | 114 |
Wind waves Height (m) Direction Period (s) | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 8 | — | — | — | — | — | — | — | NNW 6 | NNW 4 |
| kJ | 394 | 384 | 358 | 384 | 384 | 348 | 395 | 435 | 408 | 345 | 351 | 412 | 480 | 547 | 481 | — | — | — | — | — | — | — | 4 | 11 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 2446 | 1570 | 2435 | 2435 | 1602 | 1602 | 1389 | 1389 | 1403 | 1395 | 1521 | 1395 | 1388 | 1388 | 1388 | 995 | 1388 | 7 | 0 | 7 | 1043 | 996 | 996 | 996 |
Best forecast wave conditions in Cook-Islands - Rarotonga | ||||||||||||||||||||||||
Best forecast wave conditions in Cook Islands | ||||||||||||||||||||||||
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