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Alao Surf Forecast
/ Tutuila (19 surf breaks) /
Surf Forecasts:
Alao surfForecast / Tutuila / American Samoa
48hr Weather and Surf, issued 12 am Monday 18 May 2026 SSTForecast update in hr min s Forecast update imminent
Alao surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Alao sea temperature is
30.0° C
(Which is 1.4°C warmer than normal for this time of year)How big are the waves at Alao today?
The current surf forecast for Alao at 4AM is: 0.4m 9s primary swell from a North-northeast direction (forecast issued at 12:00am May 18). An open ocean swell of 1.1m 14s is not directed at the surf break, a second open ocean swell of 2.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (SST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | - | - |
| Afternoon (18 May) | 3.5ft (1.0m) | 8s |
| Evening (18 May) | - | - |
Table - waves today at Alao. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 17mm), heaviest on Sun night. Warm (max 28°C on Mon morning, min 26°C on Mon night). Winds decreasing (fresh winds from the ESE on Sun night, light winds from the WNW by Tue morning). | ||||||||||||||||||||||||
Monday 18 | Tuesday 19 | Wednesday 20 | ||||||||||||||||||||||
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 | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
NE 9 | NNE 9 | NNE 8 | S 13 | E 8 | NE 8 | NNE 8 | S 13 | SE 8 | S 12 | S 12 | S 17 | S 16 | S 16 | SE 9 | SE 9 | NNE 8 | NNE 8 | NNE 9 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 8 | |
20 | 30 | 40 | 0 | 130 | 33 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 44 | 49 | 44 | 35 | 33 | 31 | 40 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-off | cross-off | cross-off | cross | cross | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross | |
High Tide | 8:18AM1.15m | 8:59PM0.96m | 9:19AM1.12m | 10:04PM0.94m | 10:24AM1.07m | |||||||||||||||||||
Low Tide | 1:56AM0.07m | 2:46PM-0.00m | 2:56AM0.10m | 3:48PM0.03m | 3:59AM0.14m | 4:52PM0.07m | ||||||||||||||||||
 | |  | | | | | | | |  |  | | |  | | | |  | | | | |  | |
 | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
1 | 2 | 2 | 2 | 1 | 1 | 2 | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 26 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 |
25 | 26 | 27 | 27 | 28 | 29 | 30 | 29 | 29 | 26 | 30 | 31 | 30 | 31 | 31 | 32 | 30 | 30 | 30 | 30 | 32 | 31 | 32 | 30 | |
Swell 1 Height (m) Direction Period (s) | S 15 | S 14 | S 14 | S 13 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 |
 kJ | 422 | 476 | 442 | 430 | 333 | 380 | 349 | 322 | 291 | 233 | 214 | 229 | 307 | 328 | 405 | 402 | 402 | 367 | 328 | 294 | 266 | 260 | 202 | 189 |
Swell 2 Height (m) Direction Period (s) | E 9 | NNE 9 | NNE 8 | E 9 | S 13 | S 13 | S 13 | S 13 | S 12 | S 12 | S 12 | S 12 | S 16 | S 16 | S 16 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 | S 12 | S 12 | S 12 |
| kJ | 43 | 30 | 40 | 40 | 430 | 345 | 340 | 319 | 251 | 247 | 239 | 187 | 333 | 412 | 317 | 301 | 347 | 333 | 320 | 229 | 260 | 187 | 178 | 178 |
Swell 3 Height (m) Direction Period (s) | NE 9 | ESE 9 | SE 13 | SE 13 | E 9 | NE 8 | NNE 8 | SE 13 | SE 12 | SE 12 | S 17 | S 17 | S 12 | S 12 | S 12 | S 12 | NNE 8 | NNE 8 | NNE 9 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 8 |
| kJ | 20 | 29 | 62 | 62 | 40 | 33 | 26 | 78 | 77 | 75 | 211 | 265 | 141 | 103 | 103 | 98 | 44 | 44 | 49 | 44 | 35 | 33 | 31 | 40 |
Wind waves Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 604 | 560 | 470 | 355 | 130 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 193 | 1358 | 1358 | 227 | 227 | 5 | 5 | 27 | 16 | 187 | 16 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 16 |
Best forecast wave conditions in American-Samoa - Tutuila | ||||||||||||||||||||||||
Best forecast wave conditions in American Samoa | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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