Surf Forecasts:
How big are the waves at Boat Basin Lefts today (15 Jul):
- Morning surf: Morning surf (15 Jul, local time) - 1.5ft (0.4m), 10s period with ENE swell.
- Afternoon surf: Afternoon surf (15 Jul, local time) - 1.5ft (0.4m), 10s period with E swell.
- Evening surf: Evening surf (15 Jul, local time) - 1.5ft (0.4m), 10s period with E swell.
The current surf forecast for Boat Basin Lefts at 10AM is: 0.4m 10s primary swell from a East-northeast direction (forecast issued at 03:00am July 15). An open ocean swell of 0.5m 7s is not directed at the surf break, a second open ocean swell of 1.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Jul) | 1.5ft (0.4m) | 10s |
| Afternoon (15 Jul) | 1.5ft (0.4m) | 10s |
| Evening (15 Jul) | 1.5ft (0.4m) | 10s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 8mm), mostly falling on Wed night. Warm (max 29°C on Wed morning, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 15 | Thursday 16 | Friday 17 | ||||||||||||||||||||||
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) | WNW 11 | WNW 10 | WNW 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 64 | 58 | 38 | 31 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 28 | 28 | 28 | 28 | 29 | 43 | 43 | 43 | 44 | 44 | 44 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 6:45AM0.95m | 9:50PM0.94m | 7:44AM0.93m | 10:26PM0.94m | 8:44AM0.90m | |||||||||||||||||||
Low Tide | 2:00AM0.71m | 2:22PM-0.06m | 2:54AM0.67m | 3:09PM-0.00m | 3:47AM0.62m | 3:53PM0.08m | ||||||||||||||||||
 |  |  | | | |  | | | | | |  | | | | | | | | |  | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — |
mm | — | 1 | — | — | — | — | — | 1 | 3 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | 1 | 1 | — |
Temp °C | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 |
Feels °C | 30 | 30 | 30 | 29 | 31 | 31 | 31 | 31 | 29 | 29 | 29 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SE 8 | SE 7 | SSE 7 | SE 7 | SE 7 | SE 8 | SE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SSE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | E 9 | E 9 | E 9 | E 9 | E 9 | WSW 7 |
| kJ | 45 | 26 | 35 | 24 | 25 | 34 | 36 | 28 | 28 | 27 | 27 | 27 | 34 | 27 | 28 | 28 | 28 | 29 | 43 | 43 | 43 | 44 | 44 | 163 |
Swell 2 Height (m) Direction Period (s) | WNW 11 | WNW 10 | WNW 10 | ENE 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 9 | ENE 9 | ENE 9 | SSE 8 | SSE 8 | SSE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | E 9 |
| kJ | 64 | 58 | 38 | 31 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 28 | 27 | 26 | 26 | 17 | 17 | 17 | 16 | 16 | 15 | 44 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | ENE 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | NNE 8 | NNE 8 | NNE 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | S 8 | SE 8 |
| kJ | 45 | 46 | 31 | 31 | 29 | 17 | 16 | 8 | 6 | 6 | 7 | 5 | 5 | 5 | 5 | 5 | 10 | 10 | 10 | 10 | 10 | 10 | 5 | 9 |
Wind waves Height (m) Direction Period (s) | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 8 | WSW 8 | WSW 8 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | — |
| kJ | 215 | 223 | 223 | 229 | 236 | 236 | 219 | 204 | 209 | 204 | 204 | 247 | 240 | 270 | 249 | 256 | 256 | 256 | 208 | 208 | 208 | 203 | 193 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 229 | 1837 | 1836 | 1836 | 1885 | 229 | 229 | 229 | 229 | 1858 | 1858 | 1958 | 1958 | 2200 | 229 | 229 | 2075 | 229 | 2075 | 1958 | 1958 | 229 | 229 | 229 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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