Surf Forecasts:
How big are the waves at Boat Basin Lefts today (03 Oct):
- Morning surf: Morning surf (03 Oct, local time) - 5ft (1.6m), 10s period with NW swell.
- Afternoon surf: Afternoon surf (03 Oct, local time) - 0.5ft (0.2m), 17s period with E swell.
- Evening surf: Evening surf (03 Oct, local time) - 4ft (1.2m), 10s period with NNW swell.
The current surf forecast for Boat Basin Lefts at 4AM is: 1.3m 10s primary swell from a Northwest direction (forecast issued at 09:00pm October 02). An open ocean swell of 0.3m 13s is not directed at the surf break, a second open ocean swell of 5.0m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (03 Oct) | 5ft (1.6m) | 10s |
| Afternoon (03 Oct) | 0.5ft (0.2m) | 17s |
| Evening (03 Oct) | 4ft (1.2m) | 10s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 30mm), heaviest during Fri night. Warm (max 29°C on Sun morning, min 27°C on Fri night). Winds decreasing (near gales from the SW on Fri night, fresh winds from the WSW by Sun night). | ||||||||||||||||||
Fri 2 | Saturday 3 | Sunday 4 | ||||||||||||||||
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 10 | NNE 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | E 17 | NNW 10 | NNW 10 | NNW 10 | NNW 11 | NNW 10 | NNW 10 | N 11 | N 11 | N 11 | N 11 |
Wave Graph  | ||||||||||||||||||
 kJ | 71 | 36 | 114 | 328 | 425 | 520 | 489 | 22 | 137 | 281 | 548 | 469 | 435 | 520 | 514 | 617 | 617 | 652 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide | 10:31PM0.86m | 2:25PM0.81m | 11:24PM0.83m | 3:43PM0.82m | ||||||||||||||
Low Tide | 5:38PM0.69m | 6:26AM0.12m | 6:54PM0.72m | 7:34AM0.14m | 8:32PM0.71m | |||||||||||||
 | | | |  | | | |  | | | | | | |  | | | |
 | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:08 | — | — | — | — | — | — | — | 6:08 | — | — |
mm | 5 | 2 | 3 | 2 | 3 | 3 | 2 | 1 | — | 1 | 1 | 1 | 2 | 1 | 1 | — | 1 | 1 |
Temp °C | 27 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 28 | 28 | 28 |
Feels °C | 22 | 23 | 24 | 24 | 23 | 23 | 25 | 25 | 25 | 26 | 25 | 25 | 26 | 26 | 28 | 26 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | N 10 | NNE 10 | NNW 10 | NW 10 | NW 10 | NW 10 | NW 10 | SE 10 | NW 8 | NNW 10 | NNW 10 | NNW 11 | NNW 10 | NNW 10 | N 11 | N 11 | N 11 | N 11 |
| kJ | 71 | 36 | 114 | 328 | 425 | 520 | 489 | 16 | 95 | 281 | 548 | 469 | 435 | 520 | 514 | 617 | 617 | 652 |
Swell 2 Height (m) Direction Period (s) | NW 9 | ESE 13 | ESE 13 | SE 13 | SE 12 | SE 10 | SE 10 | E 17 | NNW 10 | SE 10 | ENE 16 | NW 9 | NW 9 | ENE 15 | NW 8 | NW 8 | NW 9 | ENE 14 |
| kJ | 41 | 17 | 17 | 25 | 24 | 15 | 16 | 22 | 137 | 16 | 50 | 123 | 74 | 74 | 109 | 69 | 49 | 68 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | ESE 13 | NNE 12 | NE 12 | E 15 | ESE 12 | E 16 | ESE 12 | SE 10 | ENE 15 | SE 10 | SE 10 | SE 10 | SE 9 | ENE 15 | ENE 14 | ENE 14 | SE 9 |
| kJ | 17 | 17 | 13 | 6 | 18 | 15 | 21 | 15 | 16 | 45 | 16 | 35 | 25 | 14 | 71 | 70 | 69 | 23 |
Wind waves Height (m) Direction Period (s) | SW 9 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 9 | SW 8 | WSW 8 | WSW 8 |
| kJ | 3604 | 4216 | 4448 | 4341 | 3544 | 3406 | 2763 | 2812 | 2344 | 2366 | 2104 | 1903 | 1714 | 1634 | 1305 | 1235 | 1093 | 1030 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 2069 | 1858 | 1858 | 1836 | 1836 | 1836 | 1858 | 1958 | 2278 | 2270 | 2278 | 1958 | 1958 | 1958 | 1958 | 1905 | 1905 | 1836 |
Best forecast wave conditions in Guam | ||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||
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