Surf Forecasts:
How big are the waves at Boat Basin Lefts today (29 Jul):
- Morning surf: Morning surf (29 Jul, local time) - 2.5ft (0.8m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (29 Jul, local time) - 2.5ft (0.7m), 7s period with ENE swell.
- Evening surf: Evening surf (29 Jul, local time) - 1.5ft (0.5m), 7s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 9AM is: 0.8m 7s primary swell from a East-northeast direction (forecast issued at 03:00am July 29). An open ocean swell of 0.4m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Jul) | 2.5ft (0.8m) | 7s |
| Afternoon (29 Jul) | 2.5ft (0.7m) | 7s |
| Evening (29 Jul) | 1.5ft (0.5m) | 7s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 20mm), heaviest during Thu night. Warm (max 30°C on Wed morning, min 27°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 29 | Thursday 30 | Friday 31 | ||||||||||||||||||||||
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 | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | NE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 14 | ENE 8 | E 14 | E 16 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 54 | 59 | 59 | 59 | 54 | 40 | 38 | 27 | 17 | 18 | 18 | 43 | 30 | 30 | 29 | 28 | 23 | 26 | 26 | 22 | 40 | 22 | 60 | 314 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | off | off | cross-off | cross-off | glassy | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross |
High Tide | 6:06AM0.84m | 9:15PM0.85m | 6:53AM0.85m | 9:40PM0.86m | 7:39AM0.85m | |||||||||||||||||||
Low Tide | 1:24AM0.68m | 1:43PM0.10m | 2:05AM0.66m | 2:19PM0.11m | 2:45AM0.63m | 2:52PM0.14m | ||||||||||||||||||
 |  |  |  |  | | |  | | | | | | | | | | | | | | | | | |
 | — | 6:03 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — |
mm | — | 1 | — | 1 | — | 1 | 2 | — | — | — | — | — | 1 | 1 | 1 | — | 3 | 4 | 1 | — | — | 3 | 1 | 1 |
Temp °C | 28 | 28 | 28 | 29 | 30 | 30 | 28 | 28 | 28 | 27 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 29 | 30 | 29 | 28 | 28 |
Feels °C | 31 | 31 | 31 | 31 | 32 | 33 | 32 | 33 | 32 | 31 | 32 | 32 | 31 | 31 | 32 | 33 | 33 | 31 | 31 | 33 | 34 | 33 | 31 | 33 |
Swell 1 Height (m) Direction Period (s) | SSE 7 | SSE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | S 7 | ENE 7 | ENE 7 | ENE 9 | ENE 9 | ENE 9 | SW 6 | SW 6 | SW 8 | SSW 8 | SSW 8 | SW 7 | SSW 7 | S 7 | SSW 7 | SSW 7 |
| kJ | 18 | 18 | 59 | 59 | 54 | 40 | 38 | 27 | 22 | 18 | 18 | 43 | 30 | 30 | 19 | 20 | 50 | 113 | 138 | 107 | 108 | 92 | 162 | 151 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | ENE 7 | S 7 | SSE 7 | SSW 6 | SSW 6 | SSE 7 | S 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SW 8 | ENE 8 | E 16 |
| kJ | 16 | 16 | 17 | 15 | 18 | 15 | 15 | 15 | 17 | 24 | 17 | 12 | 13 | 15 | 14 | 28 | 23 | 26 | 26 | 22 | 22 | 45 | 22 | 314 |
Swell 3 Height (m) Direction Period (s) | E 10 | E 10 | SE 10 | SE 9 | E 9 | SE 9 | E 9 | SE 9 | ENE 9 | SE 9 | SSW 6 | SSE 7 | SSE 7 | SSW 6 | ENE 9 | SSE 7 | SSE 7 | SE 8 | SE 8 | SSE 7 | ENE 14 | ENE 8 | E 14 | ENE 8 |
| kJ | 8 | 17 | 15 | 14 | 15 | 14 | 7 | 12 | 16 | 13 | 12 | 16 | 17 | 16 | 29 | 15 | 16 | 17 | 16 | 15 | 40 | 22 | 60 | 22 |
Wind waves Height (m) Direction Period (s) | NE 7 | ENE 7 | — | — | — | S 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 7 | SSW 7 | SSW 7 | SSW 7 |
| kJ | 54 | 59 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 33 | 158 | 274 | 230 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 2200 | 0 | 0 | 2200 | 0 | 0 | 229 | 2200 | 2200 | 1996 | 0 | 229 | 229 | 16 | 16 | 15 | 11 | 16 | 15 | 0 | 11 | 229 | 11 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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