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 4AM is: 1.4m 13s primary swell from a North direction and 0.3m 13s secondary swell from a East-northeast direction (forecast issued at 09:00pm August 04). An open ocean swell of 2.1m 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 (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 57mm), heaviest during Thu night. Warm (max 29°C on Wed morning, min 27°C on Tue night). Mainly fresh winds. | ||||||||||||||||||
Tue 4 | Wednesday 5 | Thursday 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) | NNE 13 | N 13 | N 13 | N 13 | 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 | W 8 |
Wave Graph  | ||||||||||||||||||
 kJ | 690 | 663 | 737 | 643 | 610 | 591 | 594 | 505 | 497 | 511 | 650 | 629 | 656 | 585 | 598 | 525 | 534 | 608 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:30PM0.90m | 12:35PM0.71m | 11:59PM0.89m | 2:12PM0.71m | ||||||||||||||
Low Tide | 5:06PM0.43m | 6:27AM0.34m | 5:46PM0.52m | 7:23AM0.27m | 6:34PM0.61m | |||||||||||||
 | | | |  | | | | | | | | | | | | | | |
 | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:46 | — | — |
mm | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 2 | 1 | 2 | 2 | 3 | 3 | 2 | 3 | 3 | 4 | 4 |
Temp °C | 27 | 27 | 27 | 28 | 28 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 28 |
Feels °C | 27 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | NNE 13 | N 13 | N 13 | N 13 | 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 |
| kJ | 690 | 663 | 737 | 643 | 610 | 591 | 594 | 505 | 497 | 511 | 650 | 629 | 656 | 585 | 598 | 525 | 534 | 591 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | ENE 13 | SSE 8 | SE 8 | NE 12 | SSE 8 | NE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 10 | ENE 10 | ENE 10 | SSE 8 | SSE 9 |
| kJ | 11 | 17 | 17 | 33 | 28 | 18 | 36 | 27 | 35 | 54 | 52 | 49 | 48 | 42 | 41 | 41 | 55 | 46 |
Swell 3 Height (m) Direction Period (s) | ENE 13 | ENE 13 | ENE 13 | SE 8 | ENE 13 | NE 13 | SE 8 | NE 12 | SE 12 | SE 12 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | ENE 10 | ENE 10 |
| kJ | 34 | 34 | 33 | 18 | 33 | 41 | 18 | 35 | 22 | 6 | 21 | 20 | 21 | 22 | 21 | 22 | 42 | 42 |
Wind waves Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | W 8 | W 8 | W 8 |
| kJ | 604 | 619 | 534 | 583 | 612 | 612 | 597 | 630 | 630 | 629 | 560 | 560 | 574 | 521 | 521 | 562 | 562 | 608 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 1864 | 1836 | 1836 | 1837 | 1290 | 1908 | 1905 | 1864 | 1864 | 1836 | 1836 | 1836 | 1836 | 16 | 2064 | 1864 | 1905 | 16 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
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