Surf Forecasts:
How big are the waves at Boat Basin Lefts today (04 Sep):
- Morning surf: Morning surf (04 Sep, local time) - 7ft (2.1m), 9s period with W swell.
- Afternoon surf: Afternoon surf (04 Sep, local time) - 6ft (1.9m), 9s period with W swell.
- Evening surf: Evening surf (04 Sep, local time) - 6ft (1.8m), 9s period with W swell.
The current surf forecast for Boat Basin Lefts at 4PM is: 1.9m 9s primary swell from a West direction (forecast issued at 09:00am 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-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (04 Sep) | 7ft (2.1m) | 9s |
| Afternoon (04 Sep) | 6ft (1.9m) | 9s |
| Evening (04 Sep) | 6ft (1.8m) | 9s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Sun morning. Warm (max 29°C on Fri morning, min 26°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||
Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||||||||
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 9 | W 9 | W 9 | W 9 | WNW 9 | W 9 | W 8 | W 8 | W 8 | W 8 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 771 | 734 | 606 | 588 | 515 | 461 | 461 | 404 | 413 | 440 | 388 | 326 | 263 | 210 | 205 | 239 | 239 | 342 | 328 | 322 | 458 | 370 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | on | on | on | on | on | on | cross-on |
High Tide | 2:25PM0.75m | 11:51PM0.87m | 4:09PM0.77m | 00:49AM0.85m | 5:24PM0.81m | |||||||||||||||||
Low Tide | 6:50AM0.18m | 6:28PM0.68m | 7:58AM0.15m | 7:54PM0.72m | 9:09AM0.13m | 9:37PM0.73m | ||||||||||||||||
 |  | | |  | | |  |  | | | |  | |  | | |  |  | | | | |
 | 6:09 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 1 | 1 | — | — | — | 1 | 6 | — | — | — | — |
Temp °C | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 26 | 26 | 27 | 27 |
Feels °C | 30 | 30 | 29 | 30 | 30 | 31 | 31 | 31 | 32 | 31 | 33 | 33 | 33 | 33 | 32 | 31 | 31 | 31 | 27 | 27 | 28 | 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 9 | W 9 | W 9 | WNW 9 | W 9 | W 8 | W 8 | W 8 | W 8 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 |
| kJ | 771 | 734 | 606 | 588 | 515 | 461 | 461 | 404 | 413 | 440 | 388 | 326 | 263 | 210 | 205 | 239 | 239 | 342 | 328 | 322 | 458 | 370 |
Swell 2 Height (m) Direction Period (s) | NE 8 | NE 8 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SSE 8 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 11 | 11 | 14 | 16 | 18 | 18 | 18 | 18 | 18 | 26 | 25 | 48 | 61 | 61 | 61 | 47 | 47 | 33 | 33 | 33 | 46 | 45 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | SE 8 | NE 8 | NE 10 | ENE 9 | ENE 9 | ESE 11 | SE 10 | SSE 6 | SE 10 | SSE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | E 8 | E 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 11 | 14 | 11 | 15 | 16 | 8 | 11 | 17 | 7 | 25 | 13 | 16 | 15 | 15 | 14 | 6 | 6 | 15 | 15 | 15 | 15 | 15 |
Wind waves Height (m) Direction Period (s) | S 6 | S 6 | S 6 | — | — | — | — | — | — | — | — | — | — | — | WSW 7 | — | — | — | — | — | — | — |
| kJ | 36 | 44 | 32 | — | — | — | — | — | — | — | — | — | — | — | 31 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1836 | 1836 | 2069 | 2064 | 231 | 16 | 11 | 11 | 11 | 11 | 11 | 11 | 0 | 2 | 11 | 11 | 11 | 11 | 1290 | 11 | 1290 | 16 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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