Surf Forecasts:
How big are the waves at Boat Basin Lefts today (14 Sep):
- Morning surf: Morning surf (14 Sep, local time) - 3ft (0.9m), 12s period with ENE swell.
- Afternoon surf: Afternoon surf (14 Sep, local time) - 3.5ft (1.0m), 11s period with ENE swell.
- Evening surf: Evening surf (14 Sep, local time) - 3.5ft (1.0m), 10s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 4PM is: 1.0m 11s primary swell from a East-northeast direction (forecast issued at 09:00am September 14). An open ocean swell of 0.7m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Sep) | 3ft (0.9m) | 12s |
| Afternoon (14 Sep) | 3.5ft (1.0m) | 11s |
| Evening (14 Sep) | 3.5ft (1.0m) | 10s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Mon morning. Warm (max 29°C on Mon morning, min 27°C on Mon afternoon). Wind will be generally light. | ||||||||||||||||||||||
Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||||||||
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) | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 13 | ENE 13 | NE 9 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 11 | ENE 10 | ENE 10 | ENE 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 289 | 239 | 261 | 238 | 234 | 184 | 198 | 198 | 231 | 226 | 181 | 181 | 145 | 233 | 183 | 183 | 229 | 198 | 275 | 308 | 308 | 261 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross | cross-off | cross-off | cross-off | cross-off | glassy | glassy | glassy | cross-on | on | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 9:53AM0.85m | 9:23PM0.88m | 10:48AM0.81m | 9:47PM0.86m | 11:47AM0.78m | |||||||||||||||||
Low Tide | 3:35PM0.47m | 4:10AM0.24m | 4:10PM0.54m | 4:50AM0.22m | 4:44PM0.60m | |||||||||||||||||
 | |  |  |  |  | | | | | |  |  | | | | | | | | |  | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:22 | — | — |
mm | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 27 | 28 | 29 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 |
Feels °C | 33 | 33 | 32 | 31 | 31 | 30 | 31 | 31 | 32 | 32 | 32 | 31 | 31 | 32 | 32 | 32 | 32 | 33 | 32 | 31 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | NE 9 | NE 8 | NE 9 | NE 8 | ENE 8 | S 8 | ENE 9 | ENE 9 | ENE 11 | ENE 10 | ENE 10 | ENE 10 |
| kJ | 289 | 239 | 261 | 238 | 234 | 184 | 198 | 198 | 231 | 226 | 152 | 118 | 145 | 135 | 150 | 144 | 129 | 132 | 275 | 308 | 308 | 261 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | ENE 14 | SSW 9 | ENE 8 | SSW 8 | SW 8 | SSW 8 | SSW 8 | SSW 8 | S 7 |
| kJ | 58 | 58 | 58 | 58 | 56 | 55 | 54 | 55 | 75 | 94 | 94 | 94 | 87 | 233 | 108 | 126 | 86 | 73 | 113 | 119 | 106 | 47 |
Swell 3 Height (m) Direction Period (s) | ENE 15 | ENE 16 | WSW 6 | WSW 7 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | SW 7 | SW 7 | ENE 13 | ENE 13 | ENE 13 | SSE 8 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | SW 8 |
| kJ | 22 | 24 | 3 | 4 | 65 | 78 | 76 | 74 | 7 | 7 | 181 | 181 | 131 | 67 | 183 | 183 | 229 | 198 | 118 | 70 | 69 | 54 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNE 3 | NNE 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 1 | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 1836 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 16 | 11 | 16 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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