Surf Forecasts:
How big are the waves at Boat Basin Lefts today (05 Sep):
- Afternoon surf: Afternoon surf (05 Sep, local time) - 4.5ft (1.3m), 9s period with W swell.
- Evening surf: Evening surf (05 Sep, local time) - 4ft (1.2m), 8s period with W swell.
The current surf forecast for Boat Basin Lefts at 7PM is: 1.2m 8s primary swell from a West direction (forecast issued at 03:00pm September 05). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 Sep) | - | - |
| Afternoon (05 Sep) | 4.5ft (1.3m) | 9s |
| Evening (05 Sep) | 4ft (1.2m) | 8s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 6mm), mostly falling on Sun morning. Warm (max 29°C on Sat afternoon, min 26°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Sat 5 | Sunday 6 | Monday 7 | ||||||||||||||||||
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) | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 10 | W 10 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | W 9 | WNW 9 | W 9 |
Wave Graph  | ||||||||||||||||||||
 kJ | 311 | 263 | 210 | 205 | 205 | 200 | 161 | 267 | 267 | 254 | 254 | 230 | 235 | 220 | 211 | 206 | 166 | 154 | 166 | 162 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | on | on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 4:09PM0.77m | 00:49AM0.85m | 5:24PM0.81m | 2:06AM0.84m | 6:12PM0.84m | |||||||||||||||
Low Tide | 7:54PM0.72m | 9:09AM0.13m | 9:37PM0.73m | 10:17AM0.12m | ||||||||||||||||
 |  |  |  | |  |  | | |  |  | | | | | | | | | | |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | 1 | — | 1 | 1 | — | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 26 | 26 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 31 | 32 | 31 | 33 | 32 | 32 | 32 | 31 | 31 | 30 | 30 | 30 | 31 | 29 | 30 | 31 | 31 | 31 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 10 | W 10 | WNW 9 | WNW 9 | WNW 10 | WNW 10 | WNW 9 | WNW 9 | WNW 9 | WNW 9 | W 9 | WNW 9 | W 9 |
| kJ | 311 | 263 | 210 | 205 | 205 | 200 | 161 | 267 | 267 | 254 | 254 | 230 | 235 | 220 | 211 | 206 | 166 | 154 | 166 | 162 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | WNW 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | WNW 11 |
| kJ | 35 | 48 | 61 | 61 | 61 | 60 | 59 | 46 | 33 | 33 | 33 | 33 | 32 | 31 | 31 | 30 | 30 | 21 | 21 | 47 |
Swell 3 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | SE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | SE 9 |
| kJ | 16 | 16 | 16 | 15 | 14 | 14 | 47 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 12 | 13 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 17 | 20 | 20 | 11 | 2055 | 1958 | 1290 | 1958 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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