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Surf Forecasts:
Rutaki Passage surfForecast / Rarotonga / Cook Islands
16 Day Weather and Surf, issued 1 am Tuesday 19 May 2026 -10Forecast update in hr min s Forecast update imminent
Rutaki Passage surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Rutaki Passage sea temperature is
26.6° C
(Which is 1.1°C warmer than normal for this time of year)Best Forecast Surf Conditions for Rutaki Passage this week:
The surf forecast for Rutaki Passage over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (May 19) at 11PM. The primary swell is predicted to be 1.6m and 13s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Rutaki Passage in the next 16 days are 3.0m 18s and forecast to arrive on Tuesday (May 26) at 8AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 7s period and expected on Tuesday (May 19) at 5PM.
| Wave Type | Time (-10) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Tue 19th May) | 5ft (1.6m) 13s |
| Best Surf | 8AM (Tue 26th May) | 10ft (3.0m) 18s |
| Most Powerful | 8AM (Tue 26th May) | 10ft (3.0m) 18s |
Table - best surf conditions forecast for Rutaki Passage over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 22mm), heaviest during Tue morning. Warm (max 26°C on Wed afternoon, min 21°C on Tue morning). Winds decreasing (strong winds from the ENE on Tue afternoon, light winds from the WSW by Thu night). | Days 4-6 Weather SummaryLight rain (total 3mm), mostly falling on Sun morning. Warm (max 24°C on Fri morning, min 23°C on Fri night). Winds increasing (light winds from the SW on Fri night, fresh winds from the ESE by Sun night). | ||||||||||||||||||||
Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | Sunday 24 | Monday 25 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
S 14 | SSW 13 | S 13 | S 14 | S 12 | S 12 | S 12 | S 12 | S 11 | S 14 | S 12 | S 12 | SSE 11 | S 11 | S 11 | SSE 10 | SSE 10 | SSE 12 | SE 10 | SSW 21 | SSW 19 | |
1509 | 1074 | 752 | 442 | 423 | 423 | 432 | 496 | 396 | 715 | 771 | 933 | 731 | 588 | 795 | 1118 | 1044 | 718 | 1230 | 1525 | 4826 | |
Wind (km/h) | |||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-on | on | cross-on | cross-on | on | on | on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 11:05AM0.72m | 11:47PM0.52m | 12:07PM0.66m | 00:53AM0.50m | 1:12PM0.61m | 2:00AM0.49m | 2:18PM0.57m | 3:05AM0.49m | 3:22PM0.53m | 4:04AM0.51m | 4:22PM0.51m | 4:56AM0.53m | 5:15PM0.49m | ||||||||
Low Tide | 5:23PM-0.07m | 5:32AM0.04m | 6:26PM-0.04m | 6:41AM0.07m | 7:31PM-0.02m | 7:51AM0.08m | 8:33PM-0.00m | 8:57AM0.07m | 9:30PM0.01m | 9:58AM0.06m | 10:22PM0.02m | 10:53AM0.05m | 11:09PM0.03m | ||||||||
 |  |  |  | |  |  | | | | |  | | | | | | | | | | |
 | 7:03 | — | — | 7:03 | — | — | 7:03 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — |
 | — | 6:07 | — | — | 6:06 | — | — | 6:06 | — | — | 6:06 | — | — | 6:06 | — | — | 6:05 | — | — | 6:05 | — |
7 | 2 | — | — | — | 5 | 3 | 5 | — | — | — | — | — | — | — | 1 | 2 | — | — | — | — | |
Temp °C | 21 | 22 | 24 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
18 | 16 | 25 | 25 | 28 | 27 | 25 | 24 | 25 | 24 | 25 | 26 | 23 | 23 | 24 | 21 | 21 | 20 | 19 | 20 | 18 | |
Swell 1 Height (m) Direction Period (s) | S 14 | SSW 13 | E 8 | E 8 | S 12 | ESE 8 | S 12 | S 12 | S 11 | S 14 | S 12 | S 12 | SSE 11 | S 11 | S 11 | SSW 16 | SSW 17 | SSE 12 | SSW 15 | SSE 10 | SSW 19 |
 kJ | 1509 | 1074 | 475 | 290 | 423 | 207 | 432 | 496 | 396 | 715 | 771 | 933 | 731 | 588 | 795 | 214 | 399 | 718 | 381 | 363 | 4826 |
Swell 2 Height (m) Direction Period (s) | SE 12 | SE 12 | S 13 | S 14 | SE 8 | S 12 | E 9 | E 9 | S 13 | SSE 10 | SE 9 | S 15 | W 6 | SE 10 | SE 10 | NE 8 | NE 8 | SSW 14 | NE 9 | SSW 21 | SW 20 |
| kJ | 68 | 34 | 752 | 442 | 176 | 423 | 230 | 165 | 366 | 186 | 128 | 109 | 79 | 231 | 110 | 18 | 18 | 178 | 19 | 1525 | 15 |
Swell 3 Height (m) Direction Period (s) | NNW 14 | NNW 13 | SSE 16 | SSW 12 | ENE 7 | SSW 14 | NE 8 | NE 8 | E 9 | E 8 | E 8 | NNE 10 | SSW 12 | SSW 12 | NNE 9 | S 20 | NNW 12 | S 16 | SSW 23 | SSW 13 | W 20 |
| kJ | 36 | 17 | 85 | 278 | 101 | 73 | 18 | 18 | 101 | 51 | 33 | 38 | 248 | 113 | 31 | 119 | 14 | 134 | 105 | 149 | 7 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | — | — | — | NNW 4 | NW 5 | WNW 6 | W 8 | W 8 | W 7 | W 7 | — | — | — | SSE 10 | SSE 10 | ESE 6 | SE 10 | ESE 6 | ESE 8 |
| kJ | 324 | 657 | — | — | — | 20 | 71 | 87 | 324 | 216 | 230 | 199 | — | — | — | 1118 | 1044 | 129 | 1230 | 220 | 645 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 1508 | 1010 | 0 | 1003 | 0 | 1002 | 9 | 9 | 8 | 8 | 8 | 8 | 6 | 6 | 1002 | 1002 | 1052 | 1052 | 1379 | 1050 | 1383 |
Best forecast wave conditions in Cook-Islands - Rarotonga | |||||||||||||||||||||
Best forecast wave conditions in Cook Islands | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Rutaki Passage surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Rutaki Passage Surf forecast
The above surf forecast table for Rutaki Passage provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Rutaki Passage can be found by selecting the local surf guide option on the grey menu. Our Rutaki Passage surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Rutaki Passage) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Rutaki Passage may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
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