Surf Forecasts:
How big are the waves at Boat Basin Lefts today (09 Jul):
- Morning surf: Morning surf (09 Jul, local time) - 6ft (1.9m), 13s period with WNW swell.
- Afternoon surf: Afternoon surf (09 Jul, local time) - 6ft (1.9m), 13s period with WNW swell.
- Evening surf: Evening surf (09 Jul, local time) - 7ft (2.1m), 14s period with W swell.
The current surf forecast for Boat Basin Lefts at 2PM is: 1.9m 13s primary swell from a West-northwest direction (forecast issued at 09:00am July 09). An open ocean swell of 2.0m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Jul) | 6ft (1.9m) | 13s |
| Afternoon (09 Jul) | 6ft (1.9m) | 13s |
| Evening (09 Jul) | 7ft (2.1m) | 14s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Warm (max 28°C on Thu morning, min 26°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Thursday 9 | Friday 10 | Saturday 11 | Sun 12 | |||||||||||||||||||||
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) | WNW 13 | WNW 13 | WNW 13 | WNW 13 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 13 | W 14 | W 14 | W 14 | W 14 | W 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 1269 | 1269 | 1288 | 1308 | 1509 | 1894 | 1949 | 2766 | 2491 | 2416 | 2380 | 2565 | 2406 | 1756 | 1731 | 1756 | 1817 | 1868 | 1752 | 1591 | 1569 | 1399 | 1399 | 1399 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | glassy | cross-on | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off |
High Tide | 3:50PM0.70m | 2:09AM0.90m | 5:27PM0.76m | 2:54AM0.91m | 6:41PM0.82m | 3:47AM0.92m | ||||||||||||||||||
Low Tide | 9:00AM0.28m | 8:06PM0.61m | 9:56AM0.18m | 9:24PM0.68m | 10:52AM0.08m | 10:47PM0.72m | ||||||||||||||||||
 | | |  |  |  | |  |  | | | | | | | | | | | | | | | | |
 | 5:58 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 |
 | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | 6:52 |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 28 | 28 | 28 | 27 | 27 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 27 |
Feels °C | 30 | 33 | 31 | 31 | 31 | 30 | 29 | 28 | 29 | 31 | 30 | 30 | 30 | 30 | 28 | 29 | 29 | 28 | 29 | 28 | 29 | 29 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SW 10 | SW 11 | WSW 11 | WSW 11 | W 14 | W 14 | W 14 | W 14 | W 14 | W 14 | W 13 | W 14 | W 14 | W 14 | W 14 | W 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 | WNW 14 |
| kJ | 804 | 898 | 991 | 957 | 1509 | 1894 | 1949 | 2766 | 2491 | 2416 | 2380 | 2565 | 2406 | 1756 | 1731 | 1756 | 1817 | 1868 | 1752 | 1591 | 1569 | 1399 | 1399 | 1399 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WSW 11 | WSW 11 | WSW 11 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | WSW 12 | WSW 12 | WSW 12 | WSW 12 | WSW 11 | WSW 11 | WSW 12 | WSW 12 | WSW 10 | WSW 11 | WSW 10 |
| kJ | 1269 | 1269 | 1288 | 1308 | 926 | 814 | 698 | 26 | 26 | 26 | 40 | 40 | 40 | 429 | 368 | 306 | 301 | 229 | 254 | 298 | 193 | 155 | 130 | 125 |
Swell 3 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SE 9 | ENE 9 | ENE 9 | ENE 9 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | E 9 | ENE 9 | SE 9 | SE 9 | SE 12 | SE 12 | SE 12 | E 9 | SE 12 | SE 12 | ENE 9 |
| kJ | 31 | 31 | 31 | 31 | 25 | 25 | 26 | 33 | 31 | 23 | 22 | 31 | 31 | 40 | 45 | 21 | 21 | 37 | 36 | 36 | 39 | 36 | 22 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 5 | ENE 6 | ENE 6 | ENE 6 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 45 | 71 | 71 | 82 | 106 | 62 | 90 | 97 | 98 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 0 | 15 | 24 | 1885 | 1885 | 1864 | 1836 | 20 | 20 | 24 | 1837 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1304 | 1836 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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