Surf Forecasts:
How big are the waves at Alao today (18 Sep):
- Morning surf: Morning surf (18 Sep, local time) - 0.5ft (0.2m), 9s period with N swell.
The current surf forecast for Alao at 9AM is: 0.2m 9s primary swell from a North direction (forecast issued at 06:00am September 18). An open ocean swell of 1.0m 12s is not directed at the surf break, a second open ocean swell of 0.5m 13s is not directed at the surf break, a second open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (SST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Sep) | 0.5ft (0.2m) | 9s |
| Afternoon (18 Sep) | - | - |
| Evening (18 Sep) | - | - |
Table - waves today at Alao. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 38mm), heaviest during Fri afternoon. Warm (max 27°C on Fri morning, min 25°C on Fri afternoon). Wind will be generally light. | |||||||||||||||||||||||
Friday 18 | Saturday 19 | Sunday 20 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | S 12 | S 12 | N 9 | S 12 | S 11 | S 11 | ESE 7 | ESE 7 | S 13 | S 12 | E 7 | E 7 | E 7 | SW 16 | E 7 | E 7 | E 7 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 138 | 113 | 113 | 0 | 70 | 70 | 56 | 54 | 67 | 80 | 78 | 97 | 103 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross | cross | glassy | on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-on | on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on |
High Tide | 1:20PM0.71m | 1:35AM0.81m | 2:16PM0.73m | 2:27AM0.84m | 3:02PM0.76m | ||||||||||||||||||
Low Tide | 7:09AM0.31m | 7:09PM0.36m | 8:08AM0.30m | 8:07PM0.34m | 8:56AM0.27m | 8:55PM0.31m | |||||||||||||||||
 |  | | | | | | | |  | | | | | | |  | | | | | | | |
 | 6:15 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | 2 | 1 | 3 | 5 | 8 | 2 | 2 | 1 | 1 | — | — | — | 1 | 2 | 1 | 1 | — | — | — | 1 | 2 | 1 | 2 |
Temp °C | 26 | 27 | 27 | 27 | 27 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 27 | 28 | 28 | 29 | 32 | 26 | 27 | 28 | 27 | 28 | 29 | 30 | 31 | 31 | 31 | 29 | 28 | 28 | 27 | 29 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | S 12 | ESE 7 | ESE 7 | ESE 7 | S 11 | S 11 | ESE 7 | ESE 7 | E 7 | E 7 | E 7 | E 7 | E 7 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 |
| kJ | 165 | 189 | 268 | 208 | 186 | 162 | 146 | 146 | 168 | 149 | 138 | 113 | 113 | 92 | 70 | 421 | 528 | 534 | 588 | 647 | 637 | 618 | 555 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | SW 13 | S 12 | S 11 | S 11 | SSE 14 | SSE 13 | S 13 | S 12 | S 12 | S 12 | S 12 | SSE 12 | SSE 12 | E 7 | E 7 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | E 6 | E 7 |
| kJ | 330 | 325 | 85 | 259 | 242 | 189 | 61 | 60 | 272 | 290 | 294 | 294 | 289 | 228 | 224 | 70 | 56 | 164 | 121 | 121 | 90 | 97 | 103 |
Swell 3 Height (m) Direction Period (s) | SW 14 | SW 14 | N 9 | SW 13 | SW 13 | SW 13 | SW 13 | SW 13 | SW 16 | SW 16 | SW 16 | SW 15 | SW 17 | SW 16 | SW 15 | SSE 11 | SSE 11 | E 6 | SE 12 | SE 12 | SE 12 | SSE 11 | SSE 11 |
| kJ | 123 | 92 | 6 | 59 | 58 | 58 | 58 | 42 | 68 | 129 | 159 | 104 | 287 | 322 | 390 | 167 | 161 | 54 | 37 | 37 | 36 | 90 | 90 |
Wind waves Height (m) Direction Period (s) | — | — | SE 7 | — | — | — | ESE 7 | ESE 7 | — | — | — | — | — | — | — | — | — | — | E 6 | E 6 | E 6 | — | — |
| kJ | — | — | 217 | — | — | — | 183 | 178 | — | — | — | — | — | — | — | — | — | — | 67 | 80 | 78 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 2 | 2 | 5 | 5 | 2 | 193 | 2 | 2 | 5 | 5 | 5 | 2 | 0 | 2 | 2 | 2 | 2 | 2 | 26 | 5 | 5 | 2 | 2 |
Best forecast wave conditions in American-Samoa - Tutuila | |||||||||||||||||||||||
Best forecast wave conditions in American Samoa | |||||||||||||||||||||||
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