Surf Forecasts:
How big are the waves at Boat Basin Lefts today (09 Oct):
- Morning surf: Morning surf (09 Oct, local time) - 5ft (1.5m), 16s period with ENE swell.
- Afternoon surf: Afternoon surf (09 Oct, local time) - 4.5ft (1.4m), 16s period with ENE swell.
- Evening surf: Evening surf (09 Oct, local time) - 4.5ft (1.4m), 15s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 7AM is: 1.4m 16s primary swell from a East-northeast direction and 0.8m 10s secondary swell from a North direction (forecast issued at 03:00am October 09). The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (09 Oct) | 5ft (1.5m) | 16s |
| Afternoon (09 Oct) | 4.5ft (1.4m) | 16s |
| Evening (09 Oct) | 4.5ft (1.4m) | 15s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Fri afternoon. Warm (max 28°C on Sun morning, min 26°C on Fri morning). Wind will be generally light. | ||||||||||||||||||||||||
Friday 9 | Saturday 10 | Sunday 11 | ||||||||||||||||||||||
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) | ENE 17 | ENE 17 | ENE 16 | ENE 16 | ENE 16 | ENE 16 | ENE 15 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | N 12 | N 11 | N 11 | N 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 742 | 890 | 1018 | 1136 | 1081 | 945 | 829 | 796 | 621 | 536 | 458 | 397 | 299 | 239 | 324 | 330 | 243 | 256 | 219 | 151 | 322 | 289 | 284 | 231 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-off | cross-off | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on |
High Tide | 6:21AM0.83m | 6:45PM0.89m | 7:20AM0.86m | 7:09PM0.89m | 8:14AM0.87m | 7:34PM0.88m | ||||||||||||||||||
Low Tide | 00:31AM0.42m | 12:33PM0.36m | 1:09AM0.33m | 1:16PM0.42m | 1:45AM0.25m | 1:57PM0.48m | ||||||||||||||||||
 |  |  |  |  | | | | | | | | | | | |  |  |  | | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:04 | — | — |
mm | 3 | 1 | — | — | 2 | 2 | 4 | 2 | 4 | 3 | 1 | 1 | 4 | 1 | 1 | 1 | — | — | — | — | 1 | 1 | — | — |
Temp °C | 26 | 26 | 25 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 29 | 29 | 28 | 30 | 30 | 29 | 28 | 28 | 29 | 28 | 29 | 31 | 30 | 28 | 30 | 30 | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | ENE 17 | ENE 17 | ENE 16 | ENE 16 | ENE 16 | ENE 16 | ENE 15 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | N 12 | N 11 | N 11 | N 11 |
| kJ | 742 | 890 | 1018 | 1136 | 1081 | 945 | 829 | 796 | 621 | 536 | 458 | 397 | 299 | 239 | 324 | 330 | 243 | 256 | 219 | 151 | 322 | 289 | 284 | 231 |
Swell 2 Height (m) Direction Period (s) | N 10 | N 10 | N 10 | N 10 | N 10 | SW 7 | SW 7 | SW 6 | SW 6 | SW 6 | SW 6 | N 10 | SW 7 | N 11 | SW 7 | SW 7 | SW 7 | SW 7 | SW 7 | N 10 | SW 6 | SW 7 | SW 6 | SW 6 |
| kJ | 130 | 127 | 127 | 127 | 127 | 71 | 77 | 83 | 101 | 88 | 80 | 94 | 54 | 141 | 45 | 54 | 65 | 67 | 65 | 138 | 58 | 88 | 70 | 56 |
Swell 3 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 7 | SW 7 | N 10 | N 10 | N 10 | N 11 | N 11 | N 10 | SSW 6 | N 10 | SW 7 | N 11 | N 11 | N 10 | N 10 | N 10 | SW 6 | NE 11 | NE 11 | NE 11 | NE 10 |
| kJ | 64 | 50 | 50 | 47 | 53 | 125 | 125 | 127 | 143 | 110 | 175 | 34 | 94 | 55 | 144 | 110 | 104 | 98 | 94 | 51 | 117 | 117 | 92 | 87 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | SW 7 | SW 6 | WSW 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | 131 | 162 | 145 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1836 | 0 | 0 | 11 | 11 | 16 | 16 | 16 | 16 | 16 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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