Surf Forecasts:
How big are the waves at Boat Basin Lefts today (05 Aug):
- Morning surf: Morning surf (05 Aug, local time) - 4.5ft (1.4m), 12s period with N swell.
- Afternoon surf: Afternoon surf (05 Aug, local time) - 4.5ft (1.4m), 12s period with N swell.
- Evening surf: Evening surf (05 Aug, local time) - 4.5ft (1.3m), 12s period with NNW swell.
The current surf forecast for Boat Basin Lefts at 5PM is: 1.3m 12s primary swell from a North direction and 0.4m 12s secondary swell from a Northeast direction (forecast issued at 09:00am August 05). An open ocean swell of 2.3m 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 Aug) | 4.5ft (1.4m) | 12s |
| Afternoon (05 Aug) | 4.5ft (1.4m) | 12s |
| Evening (05 Aug) | 4.5ft (1.3m) | 12s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 37mm), heaviest during Wed night. Warm (max 29°C on Thu morning, min 28°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | ||||||||||||||||||||
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) | N 13 | N 12 | N 12 | N 12 | N 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | W 9 | W 10 | W 9 | W 10 | W 10 | W 10 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 610 | 591 | 594 | 505 | 497 | 511 | 650 | 629 | 656 | 585 | 598 | 589 | 525 | 554 | 691 | 760 | 707 | 804 | 731 | 804 | 902 | 937 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | 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 | cross-on | cross | cross | cross-on | cross-on | cross-on |
High Tide | 12:35PM0.71m | 11:59PM0.89m | 2:12PM0.71m | 00:35AM0.89m | 4:04PM0.73m | |||||||||||||||||
Low Tide | 6:27AM0.34m | 5:46PM0.52m | 7:23AM0.27m | 6:34PM0.61m | 8:25AM0.20m | 7:41PM0.68m | ||||||||||||||||
 | | | |  | | | | | | | | | | | |  | | | |  | | |
 | 6:05 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | 5 | 2 | 1 | 1 | 3 | 4 | 5 | 1 | 2 | 1 | 1 | 1 | 2 | 4 | 1 | 1 | — | 1 | 1 | 1 | — | 1 |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 |
Feels °C | 30 | 29 | 28 | 28 | 30 | 29 | 29 | 30 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | N 13 | N 12 | N 12 | N 12 | N 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 |
| kJ | 610 | 591 | 594 | 505 | 497 | 511 | 650 | 629 | 656 | 585 | 598 | 589 | 525 | 554 | 691 | 760 | 700 | 613 | 613 | 511 | 437 | 335 |
Swell 2 Height (m) Direction Period (s) | SSE 8 | SE 8 | NE 12 | NE 12 | NE 12 | ENE 12 | ENE 12 | S 6 | ENE 11 | ENE 10 | S 8 | SSE 10 | SSE 10 | SSE 9 | SSE 9 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 11 | ENE 10 |
| kJ | 28 | 18 | 35 | 35 | 35 | 54 | 52 | 18 | 48 | 42 | 48 | 72 | 52 | 47 | 46 | 71 | 72 | 69 | 68 | 69 | 99 | 95 |
Swell 3 Height (m) Direction Period (s) | ENE 13 | NE 13 | SE 8 | SE 12 | SE 12 | SE 12 | SSE 11 | ENE 11 | SSE 8 | SSE 8 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | SSE 9 | SSE 9 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | SSE 8 |
| kJ | 33 | 41 | 17 | 6 | 22 | 5 | 12 | 49 | 22 | 22 | 41 | 43 | 42 | 42 | 69 | 46 | 31 | 29 | 28 | 13 | 27 | 24 |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 8 | WSW 8 | W 8 | W 8 | WSW 8 | W 8 | WSW 8 | WSW 8 | W 9 | W 9 | W 10 | W 9 | W 10 | W 10 | W 10 |
| kJ | 541 | 492 | 541 | 688 | 669 | 561 | 561 | 488 | 497 | 488 | 481 | 497 | 562 | 509 | 522 | 593 | 707 | 804 | 731 | 804 | 902 | 937 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1290 | 1908 | 1905 | 1908 | 1839 | 1290 | 1836 | 1836 | 1836 | 1836 | 1905 | 1905 | 16 | 16 | 1836 | 16 | 16 | 1836 | 1864 | 1864 | 16 | 16 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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