Surf Forecasts:
How big are the waves at Boat Basin Lefts today (07 Sep):
- Morning surf: Morning surf (07 Sep, local time) - 3.5ft (1.0m), 9s period with WNW swell.
- Afternoon surf: Afternoon surf (07 Sep, local time) - 3.5ft (1.0m), 9s period with W swell.
- Evening surf: Evening surf (07 Sep, local time) - 3.5ft (1.0m), 9s period with W swell.
The current surf forecast for Boat Basin Lefts at 11AM is: 1.0m 9s primary swell from a West-northwest direction (forecast issued at 03:00am September 07). An open ocean swell of 0.4m 9s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Sep) | 3.5ft (1.0m) | 9s |
| Afternoon (07 Sep) | 3.5ft (1.0m) | 9s |
| Evening (07 Sep) | 3.5ft (1.0m) | 9s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 28°C on Mon morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Monday 7 | Tuesday 8 | Wednesday 9 | ||||||||||||||||||||||
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 10 | WNW 9 | WNW 9 | WNW 9 | W 9 | W 9 | W 9 | W 9 | WNW 9 | W 9 | W 8 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 235 | 216 | 211 | 169 | 154 | 154 | 154 | 151 | 123 | 151 | 177 | 126 | 181 | 177 | 177 | 140 | 197 | 175 | 175 | 175 | 175 | 164 | 158 | 154 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 2:06AM0.84m | 6:12PM0.84m | 3:32AM0.84m | 6:48PM0.87m | 4:51AM0.86m | 7:18PM0.89m | ||||||||||||||||||
Low Tide | 10:17AM0.12m | 10:58PM0.70m | 11:18AM0.11m | 11:58PM0.64m | 12:11PM0.13m | |||||||||||||||||||
 |  |  | | |  | | |  | | | |  | |  | | | | | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | 3 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 30 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 31 | 32 | 30 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | WNW 10 | WNW 9 | WNW 9 | WNW 9 | W 9 | W 9 | W 9 | W 9 | WNW 9 | W 9 | W 8 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 |
| kJ | 235 | 216 | 211 | 169 | 154 | 154 | 154 | 151 | 123 | 151 | 177 | 126 | 181 | 177 | 177 | 140 | 197 | 175 | 175 | 175 | 175 | 164 | 158 | 154 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | WNW 10 | ENE 9 | ENE 9 | ENE 9 | NW 11 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 12 |
| kJ | 32 | 31 | 31 | 30 | 30 | 30 | 29 | 22 | 13 | 22 | 22 | 40 | 28 | 28 | 28 | 59 | 57 | 55 | 50 | 49 | 48 | 47 | 46 | 46 |
Swell 3 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | E 9 | ENE 11 | ENE 11 | SE 11 | NNE 14 | NNE 13 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 14 | 14 | 14 | 14 | 6 | 7 | 13 | 13 | 16 | 6 | 22 | 22 | 29 | 36 | 59 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 26 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NNW 2 | NNW 3 | NNW 3 | NNW 3 | NNW 3 | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | 1 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 1290 | 1290 | 16 | 16 | 16 | 16 | 11 | 1958 | 26 | 11 | 11 | 2074 | 11 | 1958 | 1958 | 1958 | 1905 | 1905 | 11 | 11 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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