Surf Forecasts:
How big are the waves at Boat Basin Lefts today (19 Jul):
- Morning surf: Morning surf (19 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (19 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
- Evening surf: Evening surf (19 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
The current surf forecast for Boat Basin Lefts at 12PM is: 0.5m 9s primary swell from a East direction (forecast issued at 09:00am July 19). An open ocean swell of 0.6m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Jul) | 1.5ft (0.5m) | 9s |
| Afternoon (19 Jul) | 1.5ft (0.5m) | 9s |
| Evening (19 Jul) | 1.5ft (0.5m) | 9s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 4mm), mostly falling on Mon night. Warm (max 29°C on Sun morning, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | ||||||||||||||||||||
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) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 45 | 45 | 46 | 46 | 44 | 43 | 43 | 42 | 42 | 42 | 28 | 27 | 27 | 27 | 27 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | off | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:51AM0.78m | 11:58PM0.92m | 12:04PM0.72m | 00:26AM0.90m | 1:30PM0.68m | |||||||||||||||||
Low Tide | 5:36AM0.49m | 5:13PM0.31m | 6:32AM0.43m | 5:50PM0.42m | 7:27AM0.37m | 6:26PM0.53m | ||||||||||||||||
 |  |  | |  | | | | | | | | |  | | | | | | | | | |
 | 6:01 | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | 6:52 | — | — | — | — | — | — | — | 6:51 | — | — | — | — | — | — | — | 6:51 | — | — |
mm | 2 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | — |
Temp °C | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 28 | 29 | 29 | 28 | 27 |
Feels °C | 31 | 31 | 31 | 31 | 31 | 32 | 31 | 31 | 31 | 30 | 31 | 31 | 31 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | WSW 6 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | SW 6 | SW 6 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | SW 7 | SW 8 | SW 7 |
| kJ | 30 | 30 | 22 | 23 | 28 | 40 | 41 | 46 | 57 | 49 | 50 | 50 | 71 | 51 | 44 | 43 | 43 | 33 | 35 | 56 | 41 | 54 |
Swell 2 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | SSE 10 | ENE 9 | WSW 7 | SE 11 |
| kJ | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 45 | 45 | 46 | 46 | 44 | 43 | 43 | 42 | 42 | 42 | 28 | 37 | 27 | 21 | 41 |
Swell 3 Height (m) Direction Period (s) | S 6 | S 6 | S 5 | S 5 | S 5 | SE 9 | SE 8 | SE 10 | SSE 8 | SE 8 | SSE 7 | SE 9 | SE 9 | SE 9 | SSE 6 | SSE 6 | SE 9 | SE 9 | ENE 9 | SE 10 | ENE 9 | ENE 9 |
| kJ | 6 | 11 | 9 | 9 | 8 | 21 | 17 | 23 | 12 | 15 | 10 | 21 | 21 | 21 | 10 | 10 | 21 | 30 | 27 | 35 | 27 | 27 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | S 5 | SSE 6 | SSE 6 | — | SSE 5 | — | — | — | E 2 | ESE 3 | ESE 3 | E 3 | E 3 |
| kJ | — | — | — | — | — | — | — | — | — | 5 | 10 | 10 | — | 10 | — | — | — | 1 | 2 | 2 | 2 | 2 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 20 | 20 | 15 | 15 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||
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