Surf Forecasts:
How big are the waves at Alofau Gas Station today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 4.5ft (1.3m), 14s period with SW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 4.5ft (1.3m), 13s period with SW swell.
- Evening surf: Evening surf (20 Sep, local time) - 4.5ft (1.3m), 13s period with SW swell.
The current surf forecast for Alofau Gas Station at 11AM is: 1.3m 14s primary swell from a Southwest direction and 0.8m 11s secondary swell from a South-southeast direction (forecast issued at 06:00am September 20). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (SST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 4.5ft (1.3m) | 14s |
| Afternoon (20 Sep) | 4.5ft (1.3m) | 13s |
| Evening (20 Sep) | 4.5ft (1.3m) | 13s |
Table - waves today at Alofau Gas Station. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 31mm), heaviest during Mon night. Warm (max 27°C on Sun morning, min 25°C on Mon night). Winds increasing (calm on Sun afternoon, fresh winds from the ESE by Mon night). | |||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | |||||||||||||||||||||
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) | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | SW 15 | SW 17 | SW 18 | SW 15 | SW 15 | SW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 14 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 581 | 588 | 647 | 647 | 637 | 609 | 546 | 324 | 373 | 314 | 284 | 413 | 300 | 390 | 395 | 400 | 628 | 822 | 628 | 628 | 539 | 301 | 681 |
Wind (km/h) | |||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross-off | off | glassy | cross | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:27AM0.84m | 3:02PM0.76m | 3:11AM0.87m | 3:42PM0.81m | 3:51AM0.92m | 4:18PM0.86m | |||||||||||||||||
Low Tide | 8:56AM0.27m | 8:55PM0.31m | 9:35AM0.24m | 9:37PM0.27m | 10:11AM0.20m | ||||||||||||||||||
 |  | | |  |  | | | |  | | | | | | | | | | |  |  | | |
 | 6:13 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:17 | — | — |
mm | — | — | — | — | — | 3 | 2 | 1 | 2 | 2 | 3 | 3 | 1 | 2 | 3 | 4 | 4 | 1 | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 29 | 29 | 29 | 31 | 31 | 31 | 29 | 27 | 27 | 27 | 26 | 27 | 28 | 26 | 26 | 24 | 23 | 24 | 24 | 25 | 25 | 25 | 25 |
Swell 1 Height (m) Direction Period (s) | SW 14 | SW 14 | SW 14 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 | SW 12 | SW 12 | S 7 | S 7 | SW 11 | SW 15 | SW 15 | SW 16 | SW 16 | SSW 16 | SW 16 | SW 16 | SW 16 | SSW 13 | SSW 14 |
| kJ | 581 | 588 | 647 | 647 | 637 | 609 | 546 | 324 | 373 | 314 | 127 | 70 | 202 | 390 | 395 | 400 | 628 | 822 | 628 | 628 | 539 | 289 | 681 |
Swell 2 Height (m) Direction Period (s) | SSE 11 | SSE 11 | SSE 11 | E 7 | E 6 | E 7 | E 6 | SW 15 | E 6 | SW 15 | SW 12 | SW 11 | S 6 | S 6 | S 6 | S 6 | S 6 | S 13 | S 6 | S 6 | SSW 13 | SW 15 | SW 15 |
| kJ | 170 | 164 | 161 | 56 | 54 | 55 | 53 | 262 | 39 | 224 | 224 | 209 | 50 | 51 | 50 | 38 | 27 | 92 | 41 | 48 | 294 | 301 | 499 |
Swell 3 Height (m) Direction Period (s) | ESE 7 | ESE 7 | E 7 | SSE 11 | S 11 | S 11 | SSW 19 | E 6 | SW 15 | SSE 10 | SW 15 | SW 17 | SW 18 | SW 11 | SW 11 | SW 10 | S 14 | SSE 10 | S 13 | SSW 13 | S 6 | S 15 | SE 10 |
| kJ | 47 | 47 | 56 | 126 | 112 | 112 | 123 | 53 | 181 | 62 | 284 | 413 | 300 | 137 | 134 | 89 | 101 | 41 | 126 | 176 | 49 | 163 | 27 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | S 11 | S 5 | S 6 | SSE 6 | E 6 | E 6 | E 6 | ENE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | ESE 6 | ESE 6 |
| kJ | — | — | — | — | — | — | 181 | 33 | 69 | 161 | 39 | 48 | 49 | 60 | 92 | 124 | 127 | 127 | 115 | 111 | 99 | 137 | 132 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 5 | 0 | 0 | 0 | 0 | 0 | 5 | 25 | 621 | 903 | 5 | 619 | 5 | 5 | 21 | 621 | 902 | 903 | 621 | 902 | 902 | 621 | 621 |
Best forecast wave conditions in American-Samoa - Tutuila | |||||||||||||||||||||||
Best forecast wave conditions in American Samoa | |||||||||||||||||||||||
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