Surf Forecasts:
How big are the waves at Boat Basin Lefts today (13 Sep):
- Morning surf: Morning surf (13 Sep, local time) - 2.5ft (0.8m), 13s period with ENE swell.
- Afternoon surf: Afternoon surf (13 Sep, local time) - 2.5ft (0.8m), 12s period with ENE swell.
- Evening surf: Evening surf (13 Sep, local time) - 3ft (0.9m), 12s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 6AM is: 0.9m 13s primary swell from a East-northeast direction (forecast issued at 09:00pm September 12). An open ocean swell of 0.5m 8s is not directed at the surf break. The wind direction is predicted to be glassy and the swell rating is 2.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (13 Sep) | 2.5ft (0.8m) | 13s |
| Afternoon (13 Sep) | 2.5ft (0.8m) | 12s |
| Evening (13 Sep) | 3ft (0.9m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Sun afternoon. Warm (max 29°C on Sun morning, min 27°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Sat 12 | Sunday 13 | Monday 14 | ||||||||||||||||
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) | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||
 kJ | 303 | 286 | 282 | 282 | 222 | 215 | 205 | 198 | 195 | 206 | 294 | 294 | 243 | 239 | 256 | 238 | 184 | 180 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | glassy | cross-off | glassy | glassy | glassy | cross-off | cross-off | glassy | glassy | glassy | cross | cross | cross-on | cross | cross |
High Tide | 8:35PM0.90m | 8:58AM0.87m | 8:59PM0.90m | 9:53AM0.85m | 9:23PM0.88m | |||||||||||||
Low Tide | 2:52AM0.33m | 2:59PM0.39m | 3:31AM0.28m | 3:35PM0.47m | ||||||||||||||
 |  | | |  | | |  | | | | |  | | | | |  | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:23 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | 1 | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 |
Feels °C | 32 | 32 | 31 | 32 | 31 | 32 | 34 | 34 | 32 | 33 | 32 | 32 | 32 | 31 | 33 | 33 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 9 | ENE 9 |
| kJ | 303 | 286 | 282 | 282 | 222 | 215 | 205 | 198 | 195 | 206 | 294 | 294 | 243 | 239 | 256 | 238 | 184 | 180 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | SE 9 | SE 8 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 18 | 18 | 35 | 37 | 35 | 35 | 34 | 46 | 46 | 45 | 45 | 45 | 58 | 58 | 58 | 58 | 58 | 73 |
Swell 3 Height (m) Direction Period (s) | W 7 | W 7 | W 7 | NNE 8 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | WSW 6 | ENE 15 | ENE 15 | ENE 16 | WSW 6 | WSW 7 | ENE 14 | ENE 14 |
| kJ | 8 | 8 | 8 | 24 | 9 | 21 | 21 | 24 | 23 | 25 | 4 | 22 | 22 | 24 | 4 | 5 | 65 | 65 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1836 | 16 | 11 | 2064 | 1290 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
Header Global | ||||||||||||||||||
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