Surf Forecasts:
Utua Mamao (Atafu) surf forecast from 18 Aug 2026:
- Most powerful swell: Sunday 23 Aug, 4AM (local time) - 4ft (1.2m), 15s period, SSW swell with 648 kJ wave energy.
Best Forecast Surf Conditions for Utua Mamao (Atafu) this week:
The most powerful waves expected at Utua Mamao (Atafu) in the next 16 days are 1.2m 15s and forecast to arrive on Sunday (Aug 23) at 4AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 9s period and expected on Wednesday (Aug 19) at 1AM.
| Wave Type | Time (+13) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 4AM (Sun 23rd Aug) | 4ft (1.2m) 15s |
Table - best surf conditions forecast for Utua Mamao (Atafu) over the next 16 days.
Short Range ForecastLight rain (total 9mm), mostly falling on Tue afternoon. Warm (max 28°C on Tue afternoon, min 27°C on Tue night). Mainly fresh winds. | Days 5-7 Weather SummaryHeavy rain (total 22mm), heaviest during Sat night. Warm (max 28°C on Fri afternoon, min 27°C on Fri night). Mainly fresh winds. | |||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 12 | ESE 7 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 458 | 608 | 532 | 532 | 430 | 414 | 382 | 402 | 278 | 315 | 407 | 530 | 478 | 478 | 529 | 530 | 490 | 530 | 427 | 582 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:59PM1.04m | 10:20AM0.91m | 10:59PM0.96m | 11:34AM0.82m | 00:23AM0.91m | 1:13PM0.79m | 1:49AM0.93m | 2:31PM0.83m | 2:50AM0.98m | 3:22PM0.89m | 3:35AM1.06m | 3:59PM0.97m | ||||||||
Low Tide | 4:15AM0.42m | 4:25PM0.44m | 5:25AM0.49m | 5:33PM0.50m | 7:02AM0.50m | 7:06PM0.51m | 8:27AM0.46m | 8:23PM0.46m | 9:20AM0.38m | 9:15PM0.38m | 9:57AM0.31m | 9:54PM0.31m | ||||||||
 |  |  | | | |  |  | | |  | | | | | | | | | | |
 | — | — | 6:37 | — | — | 6:37 | — | — | 6:37 | — | — | 6:35 | — | — | 6:35 | — | — | 6:35 | — | — |
 | 6:29 | — | — | 6:29 | — | — | 6:29 | — | — | 6:29 | — | — | 6:29 | — | — | 6:29 | — | — | 6:28 | — |
mm | 1 | 2 | — | 2 | 3 | 1 | — | — | — | — | 3 | 2 | 1 | 6 | 2 | 2 | 3 | 3 | 2 | 6 |
Temp °C | 28 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 27 |
Feels °C | 29 | 27 | 29 | 29 | 29 | 27 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 27 | 27 | 26 | 27 | 26 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 14 | SSW 12 | SSW 11 | SSW 12 | S 12 | S 13 | S 12 | SSW 14 | SSW 12 | SSW 13 | SSW 12 | S 11 | S 16 |
| kJ | 458 | 608 | 532 | 532 | 430 | 414 | 382 | 402 | 278 | 200 | 308 | 274 | 339 | 314 | 529 | 186 | 269 | 179 | 86 | 181 |
Swell 2 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 9 | WNW 9 | NE 11 | NE 10 | NE 11 | NE 10 | S 14 | S 13 | SSE 14 | SSW 13 | SSW 17 | S 16 | NE 9 | S 14 | NE 9 | S 17 | S 17 | S 10 |
| kJ | 85 | 75 | 65 | 45 | 76 | 89 | 92 | 48 | 203 | 219 | 71 | 69 | 160 | 188 | 21 | 103 | 20 | 153 | 147 | 46 |
Swell 3 Height (m) Direction Period (s) | SSE 10 | NE 10 | NE 10 | NE 14 | WNW 9 | SSW 10 | SSW 8 | SSW 8 | SW 15 | SSW 15 | SSW 14 | SSE 13 | SE 13 | NNE 9 | SSE 13 | SW 15 | S 18 | NE 9 | NE 9 | N 10 |
| kJ | 34 | 36 | 35 | 99 | 29 | 36 | 24 | 22 | 106 | 84 | 74 | 66 | 42 | 17 | 16 | 56 | 57 | 21 | 12 | 17 |
Wind waves Height (m) Direction Period (s) | ESE 8 | ESE 8 | E 8 | E 8 | ESE 8 | ESE 5 | ESE 6 | ESE 6 | ESE 6 | ESE 7 | SE 7 | SE 8 | SE 8 | SE 8 | ESE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 |
| kJ | 235 | 235 | 195 | 165 | 167 | 99 | 122 | 140 | 249 | 315 | 407 | 530 | 478 | 478 | 504 | 530 | 490 | 530 | 427 | 582 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 565 | 595 | 565 | 580 | 565 | 1961 | 1961 | 1523 | 1521 | 1521 | 1521 | 1521 | 1507 | 1453 | 2002 | 1523 | 1974 | 1974 | 1523 | 1521 |
Best forecast wave conditions in Tokelau | ||||||||||||||||||||
Best forecast wave conditions in Tokelau | ||||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Utua Mamao (Atafu) 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 Utua Mamao (Atafu) Surf forecast
The above surf forecast table for Utua Mamao (Atafu) provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Utua Mamao (Atafu) can be found by selecting the local surf guide option on the grey menu. Our Utua Mamao (Atafu) 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 (Utua Mamao (Atafu)) 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 Utua Mamao (Atafu) 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.
Are you planning a holiday in Tokelau? If you are looking for accommodation near Utua Mamao (Atafu), camping, hotels and holiday cottages in Tokelau, consider staying in Fakaofo which is 162 km (101 miles) away.
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