Surf Forecasts:
How big are the waves at Boat Basin Lefts today (02 Sep):
- Morning surf: Morning surf (02 Sep, local time) - 4.5ft (1.4m), 9s period with W swell.
- Afternoon surf: Afternoon surf (02 Sep, local time) - 5ft (1.5m), 9s period with W swell.
- Evening surf: Evening surf (02 Sep, local time) - 5ft (1.5m), 8s period with W swell.
The current surf forecast for Boat Basin Lefts at 10AM is: 1.4m 9s primary swell from a West direction and 0.5m 9s secondary swell from a Northeast direction, 0.2m 10s secondary swell from a East direction (forecast issued at 03:00am September 02). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (02 Sep) | 4.5ft (1.4m) | 9s |
| Afternoon (02 Sep) | 5ft (1.5m) | 9s |
| Evening (02 Sep) | 5ft (1.5m) | 8s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 36mm), heaviest during Fri night. Warm (max 28°C on Wed morning, min 26°C on Wed night). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 2 | Thursday 3 | Friday 4 | ||||||||||||||||||||||
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) | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | WNW 8 | WNW 9 | WNW 9 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | W 9 | WNW 11 | WNW 10 | W 9 | W 9 | W 9 | W 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 306 | 306 | 306 | 304 | 351 | 440 | 334 | 305 | 305 | 297 | 180 | 199 | 193 | 385 | 451 | 540 | 521 | 971 | 352 | 416 | 885 | 800 | 707 | 609 |
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 | cross-on | cross-on | cross | cross | on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on |
High Tide | 10:06PM0.89m | 11:32AM0.79m | 10:34PM0.89m | 12:49PM0.76m | 11:08PM0.88m | 2:25PM0.75m | ||||||||||||||||||
Low Tide | 5:00AM0.25m | 4:48PM0.54m | 5:51AM0.21m | 5:32PM0.62m | 6:50AM0.18m | 6:28PM0.68m | ||||||||||||||||||
 | |  | | |  | | | | | | | | | |  | | | |  | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | 2 | 2 | — | — | — | 1 | 1 | 3 | 4 | 2 | 2 | — | 1 | 2 | 2 | — | 1 | 1 | 1 | — | 1 | 2 | 1 | 1 |
Temp °C | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 27 | 27 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 30 | 28 | 29 | 30 | 30 | 31 | 30 | 32 | 31 | 29 | 30 | 29 | 27 | 26 | 27 | 29 | 28 | 28 | 29 | 28 | 28 | 28 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | W 9 | W 9 | W 9 | NE 9 | W 9 | W 9 | W 9 | W 8 | W 8 | W 8 | WNW 8 | WNW 9 | WNW 9 | WNW 12 | WNW 11 | WNW 11 | WNW 11 | NE 9 | WNW 11 | WNW 10 | NE 9 | NE 9 | SE 8 | SE 8 |
| kJ | 306 | 306 | 306 | 43 | 351 | 351 | 334 | 305 | 305 | 297 | 180 | 199 | 193 | 385 | 451 | 540 | 521 | 27 | 352 | 416 | 20 | 21 | 17 | 17 |
Swell 2 Height (m) Direction Period (s) | NE 10 | NE 10 | NE 9 | E 10 | NE 9 | NE 9 | NE 9 | NE 10 | NE 10 | NE 10 | WSW 7 | WSW 8 | NW 12 | NE 9 | NE 9 | NE 9 | NE 9 | SSE 8 | NE 8 | NE 8 | ESE 12 | SE 8 | NE 10 | ESE 11 |
| kJ | 47 | 46 | 43 | 8 | 41 | 41 | 42 | 45 | 46 | 47 | 93 | 98 | 149 | 29 | 29 | 28 | 28 | 6 | 11 | 11 | 13 | 17 | 15 | 11 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | E 10 | SE 9 | E 10 | E 10 | E 10 | SE 8 | SE 9 | SE 9 | NE 10 | NE 10 | NE 9 | E 9 | SE 9 | SE 9 | SE 9 | E 9 | SE 9 | SE 8 | SE 9 | ESE 11 | ESE 11 | E 9 |
| kJ | 8 | 8 | 8 | 3 | 8 | 8 | 8 | 11 | 13 | 13 | 46 | 44 | 41 | 7 | 12 | 12 | 12 | 6 | 12 | 14 | 3 | 12 | 11 | 6 |
Wind waves Height (m) Direction Period (s) | — | — | — | W 9 | SW 6 | W 9 | — | — | — | — | — | — | SW 8 | WSW 8 | WSW 7 | SW 6 | SW 6 | W 9 | WSW 9 | WSW 8 | W 9 | W 9 | W 9 | W 9 |
| kJ | — | — | — | 304 | 47 | 440 | — | — | — | — | — | — | 151 | 270 | 289 | 200 | 202 | 971 | 770 | 466 | 885 | 800 | 707 | 609 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 11 | 11 | 11 | 11 | 11 | 11 | 16 | 11 | 11 | 229 | 16 | 16 | 2069 | 229 | 229 | 229 | 1304 | 1836 | 1996 | 1905 | 1905 | 231 | 16 | 16 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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