Surf Forecasts:
How big are the waves at Boat Basin Lefts today (11 Sep):
- Morning surf: Morning surf (11 Sep, local time) - 2ft (0.6m), 14s period with E swell.
- Afternoon surf: Afternoon surf (11 Sep, local time) - 2.5ft (0.7m), 14s period with E swell.
- Evening surf: Evening surf (11 Sep, local time) - 2.5ft (0.7m), 14s period with E swell.
The current surf forecast for Boat Basin Lefts at 10AM is: 0.6m 14s primary swell from a East direction and 0.8m 8s secondary swell from a East-northeast direction (forecast issued at 03:00am September 11). The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 Sep) | 2ft (0.6m) | 14s |
| Afternoon (11 Sep) | 2.5ft (0.7m) | 14s |
| Evening (11 Sep) | 2.5ft (0.7m) | 14s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Fri night. Warm (max 29°C on Fri morning, min 27°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | ||||||||||||||||||||||
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) | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 144 | 144 | 136 | 132 | 132 | 184 | 195 | 198 | 198 | 187 | 176 | 173 | 173 | 173 | 286 | 286 | 282 | 282 | 277 | 215 | 205 | 248 | 195 | 274 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off |
High Tide | 7:04AM0.88m | 8:11PM0.90m | 8:02AM0.88m | 8:35PM0.90m | 8:58AM0.87m | 8:59PM0.90m | ||||||||||||||||||
Low Tide | 1:31AM0.48m | 1:42PM0.23m | 2:12AM0.40m | 2:22PM0.31m | 2:52AM0.33m | 2:59PM0.39m | ||||||||||||||||||
 | |  | | | | | |  | |  | | | | | | | | | |  | | |  | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — | — | 6:23 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 |
Temp °C | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 29 | 29 | 29 | 28 | 28 |
Feels °C | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 31 | 31 | 32 | 32 | 32 | 33 | 32 | 31 | 31 | 31 | 31 | 31 | 33 | 31 | 31 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 14 | E 14 | E 13 | E 13 | E 13 | E 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 |
| kJ | 86 | 84 | 76 | 76 | 76 | 59 | 61 | 59 | 198 | 187 | 176 | 173 | 173 | 173 | 286 | 286 | 282 | 282 | 277 | 215 | 205 | 248 | 195 | 274 |
Swell 2 Height (m) Direction Period (s) | WNW 8 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | E 14 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | SE 8 | SE 8 | SSE 8 | SE 9 | SE 8 | SE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 51 | 144 | 136 | 132 | 132 | 184 | 195 | 198 | 61 | 61 | 62 | 57 | 43 | 43 | 18 | 18 | 28 | 36 | 35 | 35 | 46 | 46 | 59 | 59 |
Swell 3 Height (m) Direction Period (s) | E 14 | W 8 | W 8 | W 8 | W 8 | W 7 | W 7 | W 7 | W 7 | W 7 | W 7 | SE 9 | WNW 7 | SE 9 | NNE 10 | W 7 | W 7 | NNE 7 | NNE 6 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | WSW 6 |
| kJ | 144 | 44 | 44 | 29 | 29 | 17 | 17 | 16 | 16 | 16 | 15 | 28 | 16 | 27 | 19 | 8 | 8 | 15 | 8 | 21 | 20 | 20 | 20 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 20 | 0 | 1290 | 1836 | 1858 | 1864 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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