Surf Forecasts:
How big are the waves at Boat Basin Lefts today (06 Aug):
- Morning surf: Morning surf (06 Aug, local time) - 5ft (1.5m), 12s period with NNW swell.
- Afternoon surf: Afternoon surf (06 Aug, local time) - 4.5ft (1.4m), 12s period with NNW swell.
- Evening surf: Evening surf (06 Aug, local time) - 4.5ft (1.4m), 12s period with NNW swell.
The current surf forecast for Boat Basin Lefts at 6AM is: 1.5m 12s primary swell from a North-northwest direction and 1.8m 8s secondary swell from a West direction (forecast issued at 03:00am August 06). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Aug) | 5ft (1.5m) | 12s |
| Afternoon (06 Aug) | 4.5ft (1.4m) | 12s |
| Evening (06 Aug) | 4.5ft (1.4m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 24mm), heaviest during Thu morning. Warm (max 29°C on Thu morning, min 28°C on Thu afternoon). Mainly fresh winds. | ||||||||||||||||||||||||
Thursday 6 | Friday 7 | Saturday 8 | ||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NW 13 | NW 13 | NW 13 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 650 | 656 | 656 | 666 | 598 | 517 | 554 | 554 | 691 | 841 | 841 | 689 | 670 | 715 | 900 | 913 | 932 | 1045 | 1066 | 1066 | 1170 | 1184 | 1282 | 1268 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on |
High Tide | 11:59PM0.89m | 2:12PM0.71m | 00:35AM0.89m | 4:04PM0.73m | 1:21AM0.89m | 5:38PM0.78m | ||||||||||||||||||
Low Tide | 7:23AM0.27m | 6:34PM0.61m | 8:25AM0.20m | 7:41PM0.68m | 9:30AM0.13m | 9:14PM0.73m | ||||||||||||||||||
 |  |  | | | | | | |  | |  | | | | | | | | | | |  | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:07 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 7 | 3 | 1 | 4 | 3 | 3 | 2 | 1 | 1 | — | 1 | — | 1 | 1 | 1 | — | 1 | — | 1 | 1 | — | — | — | 1 |
Temp °C | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 30 | 30 | 29 | 31 | 30 | 30 | 29 | 30 | 29 | 29 | 30 | 31 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 31 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 13 | NW 13 | NW 13 |
| kJ | 650 | 656 | 656 | 666 | 598 | 517 | 554 | 554 | 691 | 841 | 841 | 689 | 519 | 435 | 282 | 240 | 205 | 228 | 236 | 158 | 197 | 269 | 231 | 228 |
Swell 2 Height (m) Direction Period (s) | ENE 12 | S 6 | S 6 | ENE 10 | ENE 10 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 14 |
| kJ | 52 | 28 | 18 | 62 | 59 | 52 | 54 | 48 | 47 | 71 | 71 | 68 | 68 | 71 | 99 | 95 | 92 | 94 | 95 | 95 | 95 | 72 | 60 | 127 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | ENE 11 | ENE 11 | SSE 8 | SSE 8 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | WNW 10 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 9 | ENE 14 | ENE 14 | ENE 14 | NE 14 | ENE 14 | ENE 10 |
| kJ | 22 | 49 | 48 | 22 | 22 | 41 | 41 | 69 | 69 | 58 | 45 | 43 | 28 | 28 | 27 | 24 | 23 | 22 | 41 | 78 | 77 | 96 | 129 | 72 |
Wind waves Height (m) Direction Period (s) | WSW 8 | W 8 | W 8 | W 8 | WSW 8 | W 8 | WSW 8 | W 8 | W 8 | W 8 | W 9 | W 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
| kJ | 547 | 432 | 439 | 488 | 497 | 488 | 497 | 488 | 443 | 450 | 529 | 609 | 670 | 715 | 900 | 913 | 932 | 1045 | 1066 | 1066 | 1170 | 1184 | 1282 | 1268 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 16 | 11 | 1836 | 16 | 1905 | 1864 | 1864 | 16 | 16 | 1836 | 16 | 1836 | 1905 | 1905 | 1864 | 1839 | 1839 | 1836 | 1836 | 1836 | 1908 | 1907 | 1907 | 1836 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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