Surf Forecasts:
How big are the waves at Boat Basin Lefts today (07 Jul):
- Afternoon surf: Afternoon surf (07 Jul, local time) - 8ft (2.4m), 11s period with W swell.
- Evening surf: Evening surf (07 Jul, local time) - 7.5ft (2.3m), 12s period with WNW swell.
The current surf forecast for Boat Basin Lefts at 7PM is: 2.3m 12s primary swell from a West-northwest direction and 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 03:00pm July 07). An open ocean swell of 3.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Jul) | - | - |
| Afternoon (07 Jul) | 8ft (2.4m) | 11s |
| Evening (07 Jul) | 7.5ft (2.3m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 19mm), heaviest on Tue afternoon. Warm (max 28°C on Tue afternoon, min 24°C on Wed night). Winds decreasing (fresh winds from the S on Tue afternoon, calm by Wed night). | ||||||||||||||||||||||||
Tue 7 | Wednesday 8 | Thursday 9 | Fri 10 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | W 11 | WNW 11 | WNW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | W 13 | W 13 | WNW 13 | WNW 14 | WNW 14 | W 14 | W 13 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1596 | 1338 | 1366 | 1342 | 1227 | 1136 | 1098 | 976 | 1136 | 1214 | 1194 | 1080 | 884 | 1075 | 1092 | 1109 | 1144 | 1003 | 892 | 1074 | 1233 | 1367 | 1462 | 1998 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | glassy | glassy | off | off | cross-off | cross | cross-off | cross | cross | cross | cross | cross |
High Tide | 12:23PM0.69m | 1:00AM0.90m | 2:01PM0.67m | 1:31AM0.90m | 3:50PM0.70m | 2:09AM0.90m | ||||||||||||||||||
Low Tide | 6:15PM0.42m | 8:06AM0.38m | 7:03PM0.52m | 9:00AM0.28m | 8:06PM0.61m | 9:56AM0.18m | ||||||||||||||||||
 | |  | | | | | |  | | | |  | |  | | | |  | | |  |  | | |
 | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — |
 | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | 6:52 |
mm | 1 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | — | 1 | 2 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 27 | 27 | 26 | 25 | 24 | 25 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 |
Feels °C | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 29 | 29 | 30 | 31 | 30 | 30 | 30 | 30 | 29 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | W 11 | WNW 11 | WNW 12 | W 12 | SW 10 | SW 10 | W 12 | W 12 | SW 10 | W 12 | SSW 10 | SSW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | WSW 11 | WSW 11 | WSW 11 | WNW 14 | WNW 14 | W 14 | W 13 |
| kJ | 1596 | 1338 | 1366 | 1342 | 910 | 999 | 1098 | 976 | 833 | 1214 | 867 | 831 | 904 | 820 | 706 | 720 | 791 | 829 | 862 | 894 | 1233 | 1367 | 1462 | 1998 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | W 12 | W 12 | E 7 | N 9 | W 12 | SW 10 | W 12 | W 12 | W 12 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | W 13 | W 13 | WNW 13 | WSW 11 | WSW 11 | WSW 10 | ENE 9 |
| kJ | 22 | 21 | 20 | 19 | 1227 | 1136 | 26 | 2 | 1136 | 724 | 1194 | 1080 | 884 | 1075 | 1092 | 1109 | 1144 | 1003 | 892 | 1074 | 686 | 650 | 371 | 26 |
Swell 3 Height (m) Direction Period (s) | N 10 | N 10 | N 10 | N 10 | ENE 8 | N 10 | N 10 | ENE 9 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SE 9 |
| kJ | 2 | 2 | 2 | 2 | 19 | 2 | 2 | 26 | 32 | 34 | 34 | 34 | 31 | 54 | 31 | 31 | 31 | 31 | 31 | 25 | 26 | 26 | 26 | 31 |
Wind waves Height (m) Direction Period (s) | S 9 | SSW 9 | SSW 10 | SSW 10 | SE 9 | SE 9 | SSW 10 | SSW 10 | SSE 7 | SE 7 | SSE 7 | SSE 7 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 1535 | 1535 | 1531 | 1402 | 237 | 225 | 1209 | 1172 | 154 | 114 | 120 | 91 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1864 | 1864 | 1905 | 1866 | 1836 | 1836 | 1836 | 1836 | 1864 | 0 | 1905 | 0 | 0 | 0 | 0 | 0 | 0 | 20 | 0 | 20 | 1836 | 1839 | 20 | 1836 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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