Surf Forecasts:
How big are the waves at Boat Basin Lefts today (05 Sep):
- Morning surf: Morning surf (05 Sep, local time) - 4.5ft (1.4m), 9s period with W swell.
- 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 4AM is: 1.6m 9s primary swell from a West direction (forecast issued at 09:00pm September 04). An open ocean swell of 0.4m 8s 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) | 4.5ft (1.4m) | 9s |
| 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 ForecastModerate rain (total 11mm), heaviest on Sat night. Warm (max 29°C on Sat morning, min 27°C on Sun afternoon). Wind will be generally light. | ||||||||||||||||||
Fri 4 | Saturday 5 | Sunday 6 | ||||||||||||||||
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 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 10 | W 10 | WNW 9 | WNW 9 | WNW 10 |
Wave Graph  | ||||||||||||||||||
 kJ | 465 | 461 | 413 | 404 | 356 | 311 | 311 | 263 | 210 | 205 | 205 | 200 | 169 | 273 | 267 | 254 | 254 | 294 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-on |
High Tide | 11:51PM0.87m | 4:09PM0.77m | 00:49AM0.85m | 5:24PM0.81m | ||||||||||||||
Low Tide | 6:28PM0.68m | 7:58AM0.15m | 7:54PM0.72m | 9:09AM0.13m | 9:37PM0.73m | |||||||||||||
 | | |  |  |  | |  | | | | | | | | | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | 1 | 1 | 1 | — | 1 | — | — | — | — | 1 | — | 3 | 3 | 1 | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 27 | 27 |
Feels °C | 31 | 32 | 31 | 31 | 31 | 32 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 30 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | W 8 | W 8 | W 10 | W 10 | WNW 9 | WNW 9 | WNW 10 |
| kJ | 465 | 461 | 413 | 404 | 356 | 311 | 311 | 263 | 210 | 205 | 205 | 200 | 169 | 273 | 267 | 254 | 254 | 294 |
Swell 2 Height (m) Direction Period (s) | S 6 | SE 8 | SSE 8 | SE 8 | SE 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | WNW 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 18 | 18 | 27 | 18 | 18 | 25 | 25 | 48 | 61 | 61 | 61 | 60 | 60 | 59 | 59 | 33 | 33 | 33 |
Swell 3 Height (m) Direction Period (s) | SE 8 | ENE 9 | ENE 9 | SE 10 | SE 10 | SE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | SE 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 18 | 8 | 15 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 14 | 14 | 60 | 15 | 15 | 15 | 15 | 15 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | WNW 2 | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 16 | 16 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 1290 | 1290 | 11 | 11 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
Header Global | ||||||||||||||||||
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