
Surf Forecasts:
How big are the waves at Boat Basin Lefts today (05 Jul):
- Morning surf: Morning surf (05 Jul, local time) - 11ft (3.5m), 14s period with E swell.
- Afternoon surf: Afternoon surf (05 Jul, local time) - 11ft (3.5m), 15s period with E swell.
- Evening surf: Evening surf (05 Jul, local time) - 15ft (4.5m), 15s period with E swell.
The current surf forecast for Boat Basin Lefts at 2AM is: 3.0m 15s primary swell from a East direction and 1.3m 6s secondary swell from a North-northeast direction (forecast issued at 09:00pm July 04). An open ocean swell of 0.3m 9s 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 Jul) | 11ft (3.5m) | 14s |
| Afternoon (05 Jul) | 11ft (3.5m) | 15s |
| Evening (05 Jul) | 15ft (4.5m) | 15s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 141mm), heaviest during Sun night. Warm (max 29°C on Sat night, min 26°C on Sun night). Winds increasing (fresh winds from the NNE on Sat night, stormy winds from the SW by Mon morning). | ||||||||||||||||||||||||
Sat 4 | Sunday 5 | Monday 6 | Tuesday 7 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | |
Swell Height Map | ||||||||||||||||||||||||
Wave Height (m) Direction Period (s) | E 15 | E 16 | E 15 | ENE 14 | ENE 15 | E 14 | E 14 | E 15 | E 15 | ENE 15 | ENE 15 | NE 15 | NNE 14 | N 13 | NNW 13 | NNW 12 | NNW 12 | NW 12 | W 11 | W 12 | W 11 | W 12 | ENE 8 | W 12 |
Wave Graph | ||||||||||||||||||||||||
2679 | 4765 | 3778 | 4181 | 5762 | 4704 | 5067 | 6156 | 7933 | 8249 | 8635 | 9459 | 9883 | 9576 | 6395 | 3352 | 1906 | 1240 | 2764 | 3200 | 1719 | 2693 | 14 | 2346 | |
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-on | on | on | cross-on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:46PM0.88m | 10:00AM0.76m | 00:09AM0.89m | 11:03AM0.72m | 00:33AM0.89m | 12:23PM0.69m | ||||||||||||||||||
Low Tide | 4:25PM0.18m | 5:28AM0.61m | 4:59PM0.25m | 6:19AM0.55m | 5:34PM0.33m | 7:12AM0.47m | ||||||||||||||||||
— | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | |
— | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:52 | |
mm | 1 | 1 | 1 | — | 1 | 3 | 4 | 4 | 7 | 4 | 17 | 11 | 28 | 22 | 12 | 9 | 1 | 1 | 1 | 2 | 3 | 3 | 2 | 2 |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 29 | 29 |
Feels °C | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 25 | 25 | 22 | 18 | 16 | 14 | 13 | 15 | 17 | 20 | 21 | 22 | 24 | 25 | 25 | 26 | 28 |
Swell 1 Height (m) Direction Period (s) | E 15 | E 16 | E 15 | ENE 14 | ENE 15 | E 14 | E 14 | E 15 | E 15 | ENE 15 | ENE 15 | NE 15 | NNE 14 | N 13 | NNW 13 | NNW 12 | NNW 12 | NW 12 | W 11 | W 12 | W 11 | W 12 | ENE 8 | W 12 |
2679 | 4765 | 3778 | 4181 | 5762 | 4704 | 5067 | 6156 | 7933 | 8249 | 8635 | 9459 | 9883 | 9576 | 6395 | 3352 | 1906 | 1240 | 2764 | 3200 | 1719 | 2693 | 14 | 2346 | |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SSE 10 | SE 10 | — | — | — | — | — | NNE 9 | N 10 | NE 14 | SSE 10 | SE 10 | ENE 10 | ENE 10 | ENE 9 | NW 12 | ENE 9 | WNW 13 | ENE 8 | N 10 | ENE 8 |
22 | 22 | 23 | 9 | 15 | — | — | — | — | — | 826 | 1351 | 4435 | 10 | 16 | 41 | 38 | 17 | 854 | 15 | 998 | 14 | 2 | 13 | |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | NE 10 | NE 10 | NE 12 | NE 9 | N 11 | ENE 8 | N 10 | N 10 | N 10 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 27 | 25 | 6 | 21 | 2 | 14 | 2 | 2 | 2 | |
Wind waves Height (m) Direction Period (s) | NNE 10 | NNE 10 | NNE 6 | NNE 10 | NNE 10 | N 6 | N 7 | N 7 | N 8 | N 8 | NW 7 | WNW 8 | W 9 | WSW 10 | WSW 10 | WSW 10 | SW 10 | SW 10 | SSW 9 | SSW 9 | S 9 | S 9 | WSW 12 | S 9 |
34 | 33 | 106 | 19 | 19 | 221 | 353 | 611 | 892 | 1338 | 979 | 2648 | 5167 | 8427 | 6697 | 6786 | 5967 | 5525 | 1723 | 1362 | 1345 | 1215 | 4287 | 1138 | |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1836 | 1864 | 1864 | 1836 | 1836 | 1836 | 1836 | 1836 | 1864 | 1864 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)
Wind Speed (km/h)












