Surf Forecasts:
How big are the waves at Boat Basin Lefts today (19 Jun):
- Morning surf: Morning surf (19 Jun, local time) - 1.5ft (0.4m), 7s period with NNE swell.
- Afternoon surf: Afternoon surf (19 Jun, local time) - 3.5ft (1.0m), 8s period with E swell.
- Evening surf: Evening surf (19 Jun, local time) - 1ft (0.3m), 7s period with NNE swell.
The current surf forecast for Boat Basin Lefts at 1AM is: 1.5m 8s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a North-northeast direction (forecast issued at 09:00pm June 18). An open ocean swell of 0.5m 10s 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 Jun) | 1.5ft (0.4m) | 7s |
| Afternoon (19 Jun) | 3.5ft (1.0m) | 8s |
| Evening (19 Jun) | 1ft (0.3m) | 7s |
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 88mm), heaviest during Fri morning. Warm (max 30°C on Sat afternoon, min 25°C on Thu night). Winds decreasing (fresh winds from the SSE on Fri morning, light winds from the S by Sun afternoon). | ||||||||||||||||||||||||
Thu 18 | Friday 19 | Saturday 20 | Sunday 21 | |||||||||||||||||||||
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) | ENE 7 | ENE 8 | ENE 8 | E 8 | E 8 | NNE 7 | NNE 7 | E 8 | E 8 | NNE 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 223 | 264 | 257 | 268 | 381 | 18 | 11 | 120 | 80 | 9 | 63 | 63 | 82 | 63 | 61 | 28 | 31 | 31 | 31 | 30 | 43 | 30 | 47 | 33 |
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 | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:45PM0.94m | 9:41AM0.85m | 00:25AM0.93m | 10:47AM0.79m | 1:01AM0.92m | 12:04PM0.72m | ||||||||||||||||||
Low Tide | 4:14PM-0.01m | 5:06AM0.66m | 5:02PM0.09m | 6:10AM0.61m | 5:48PM0.21m | 7:16AM0.54m | ||||||||||||||||||
 |  | | |  |  | | | |  | | |  | | | |  | | | | |  | | | |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 |
mm | — | 1 | 2 | 3 | 8 | 31 | 17 | 2 | 1 | 7 | 4 | 1 | — | — | — | — | — | — | — | 2 | 5 | — | — | — |
Temp °C | 28 | 27 | 27 | 26 | 25 | 25 | 26 | 27 | 26 | 27 | 27 | 27 | 27 | 28 | 29 | 30 | 28 | 28 | 28 | 27 | 27 | 29 | 30 | 29 |
Feels °C | 30 | 28 | 28 | 26 | 25 | 24 | 25 | 27 | 27 | 28 | 28 | 29 | 29 | 30 | 31 | 33 | 31 | 31 | 31 | 30 | 30 | 32 | 33 | 32 |
Swell 1 Height (m) Direction Period (s) | SE 11 | SE 10 | SE 10 | N 7 | NNE 7 | NNE 7 | NNE 7 | E 8 | E 8 | SE 10 | S 6 | E 8 | E 8 | E 8 | E 8 | S 5 | SSW 5 | SSW 5 | S 7 | S 7 | S 7 | E 8 | ENE 8 | ENE 8 |
| kJ | 55 | 52 | 49 | 27 | 15 | 18 | 11 | 120 | 80 | 33 | 40 | 63 | 82 | 63 | 61 | 12 | 15 | 16 | 25 | 23 | 33 | 30 | 47 | 33 |
Swell 2 Height (m) Direction Period (s) | NNE 8 | NNE 8 | NNE 7 | N 10 | N 10 | N 10 | N 10 | SE 10 | SE 10 | NNE 7 | E 8 | SE 9 | SE 9 | SE 10 | SE 10 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | S 6 | S 6 | S 6 |
| kJ | 6 | 6 | 10 | 2 | 2 | 2 | 2 | 16 | 33 | 9 | 63 | 22 | 43 | 48 | 44 | 28 | 31 | 31 | 31 | 30 | 43 | 22 | 21 | 21 |
Swell 3 Height (m) Direction Period (s) | NW 9 | N 10 | NW 9 | NW 8 | NW 8 | NW 8 | W 8 | NNE 6 | NNE 6 | N 10 | SE 9 | NNE 6 | NNE 7 | NNE 7 | N 10 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 10 | SE 10 |
| kJ | 3 | 2 | 3 | 3 | 3 | 3 | 1 | 8 | 8 | 7 | 42 | 7 | 9 | 9 | 18 | 49 | 34 | 41 | 40 | 40 | 36 | 36 | 36 | 36 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 8 | ENE 8 | E 8 | E 8 | ESE 7 | SE 7 | SSE 7 | S 6 | SE 6 | ESE 4 | SSE 5 | S 5 | S 5 | S 5 | — | — | — | — | — | — | — | — | — |
| kJ | 223 | 264 | 257 | 268 | 381 | 530 | 453 | 189 | 112 | 136 | 18 | 44 | 33 | 23 | 17 | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 1290 | 0 | 1290 | 0 | 0 | 1290 | 2064 | 0 | 229 | 1290 | 1290 | 1836 | 229 | 0 | 229 | 0 | 229 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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