Surf Forecasts:
How big are the waves at Boat Basin Lefts today (07 Jul):
- Morning surf: Morning surf (07 Jul, local time) - 10ft (3.0m), 11s period with W swell.
- Afternoon surf: Afternoon surf (07 Jul, local time) - 8ft (2.5m), 11s period with W swell.
- Evening surf: Evening surf (07 Jul, local time) - 7ft (2.2m), 12s period with W swell.
The current surf forecast for Boat Basin Lefts at 12PM is: 2.5m 11s primary swell from a West direction and 0.4m 8s secondary swell from a East-northeast direction (forecast issued at 09:00am July 07). An open ocean swell of 3.0m 9s 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) | 10ft (3.0m) | 11s |
| Afternoon (07 Jul) | 8ft (2.5m) | 11s |
| Evening (07 Jul) | 7ft (2.2m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 20mm), heaviest during Tue night. Warm (max 28°C on Tue morning, min 25°C on Wed night). Winds decreasing (strong winds from the S on Tue morning, calm by Wed night). | ||||||||||||||||||||||||
Tuesday 7 | Wednesday 8 | Thursday 9 | Fri 10 | |||||||||||||||||||||
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 | 1 AM | 4 AM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | WNW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 14 | WNW 14 | W 14 | W 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2539 | 1555 | 1719 | 1430 | 1366 | 1319 | 1248 | 1248 | 1269 | 1175 | 1334 | 1507 | 1378 | 1357 | 1273 | 1092 | 949 | 980 | 1011 | 1179 | 1233 | 1387 | 1599 | 1576 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | glassy | cross-off | cross | cross-on | cross-on | 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 | 7:12AM0.47m | 6:15PM0.42m | 8:06AM0.38m | 7:03PM0.52m | 9:00AM0.28m | 8:06PM0.61m | ||||||||||||||||||
 | | | |  | | | | | |  | |  | | |  | |  |  | | | |  | | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 |
 | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | 6:52 |
mm | 3 | 2 | 1 | 1 | 2 | 2 | 3 | 5 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 25 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 27 |
Feels °C | 26 | 27 | 27 | 28 | 28 | 30 | 29 | 29 | 29 | 29 | 28 | 27 | 26 | 25 | 28 | 30 | 30 | 31 | 30 | 30 | 29 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | W 11 | W 11 | W 11 | W 11 | WNW 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 12 | W 13 | SW 10 | SW 10 | SW 10 | SW 11 | WSW 11 | WSW 11 | WNW 14 | W 14 | W 14 |
| kJ | 2539 | 1555 | 1719 | 1430 | 1366 | 1319 | 1248 | 1248 | 1269 | 1175 | 1334 | 1507 | 1378 | 1357 | 1273 | 784 | 788 | 720 | 762 | 857 | 862 | 1387 | 1599 | 1576 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | NW 12 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | N 10 | W 12 | SE 10 | SE 10 | ENE 9 | SE 10 | SE 10 | SW 10 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 14 | WSW 11 | WSW 11 | WSW 11 |
| kJ | 24 | 578 | 22 | 21 | 20 | 19 | 19 | 2 | 661 | 33 | 33 | 16 | 33 | 34 | 739 | 1092 | 949 | 980 | 1011 | 1179 | 1233 | 838 | 661 | 540 |
Swell 3 Height (m) Direction Period (s) | N 11 | ENE 8 | N 10 | N 10 | N 10 | N 10 | N 10 | E 8 | ENE 9 | N 9 | ENE 9 | SE 10 | ENE 9 | ENE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 10 | ENE 9 | ENE 9 | E 9 |
| kJ | 9 | 23 | 2 | 2 | 2 | 2 | 2 | 29 | 25 | 2 | 16 | 44 | 16 | 16 | 31 | 31 | 31 | 41 | 30 | 31 | 32 | 25 | 26 | 39 |
Wind waves Height (m) Direction Period (s) | S 9 | S 9 | S 9 | SSW 9 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | SSW 10 | — | — | — | — | — | — | — | — | — | — |
| kJ | 1437 | 1437 | 1437 | 1382 | 1433 | 1245 | 1187 | 1212 | 1149 | 1163 | 1145 | 1053 | 962 | 922 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1836 | 1836 | 1836 | 1836 | 1864 | 1864 | 1905 | 1858 | 1836 | 1836 | 1836 | 1836 | 1885 | 1905 | 1866 | 1836 | 0 | 0 | 0 | 0 | 0 | 11 | 1836 | 1836 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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