Surf Forecasts:
How big are the waves at Boat Basin Lefts today (25 Oct):
- Morning surf: Morning surf (25 Oct, local time) - 3.5ft (1.0m), 14s period with WNW swell.
- Afternoon surf: Afternoon surf (25 Oct, local time) - 5.5ft (1.7m), 9s period with ENE swell.
- Evening surf: Evening surf (25 Oct, local time) - 4.5ft (1.4m), 9s period with ENE swell.
The current surf forecast for Boat Basin Lefts at 7AM is: 1.1m 13s primary swell from a West-northwest direction and 1.3m 9s secondary swell from a East-northeast direction (forecast issued at 03:00am October 25). The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 Oct) | 3.5ft (1.0m) | 14s |
| Afternoon (25 Oct) | 5.5ft (1.7m) | 9s |
| Evening (25 Oct) | 4.5ft (1.4m) | 9s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Sun morning. Warm (max 28°C on Sun morning, min 26°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sunday 25 | Monday 26 | Tuesday 27 | ||||||||||||||||||||||
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) | WNW 14 | WNW 14 | WNW 13 | WNW 14 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 512 | 490 | 408 | 395 | 405 | 381 | 331 | 311 | 311 | 273 | 257 | 295 | 232 | 238 | 262 | 262 | 232 | 237 | 242 | 242 | 181 | 185 | 185 | 185 |
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off |
High Tide | 7:06AM0.84m | 6:25PM0.89m | 8:01AM0.89m | 6:53PM0.90m | 8:56AM0.91m | 7:24PM0.91m | ||||||||||||||||||
Low Tide | 00:39AM0.28m | 12:44PM0.48m | 1:15AM0.18m | 1:30PM0.54m | 1:55AM0.09m | 2:16PM0.59m | ||||||||||||||||||
 | |  |  | | | | |  | | | | | |  | | | | | | | | | | |
 | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:55 | — | — | — | — | — | — | — | 5:55 | — | — |
mm | 2 | 1 | 1 | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — |
Temp °C | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 26 | 28 | 28 | 28 | 27 | 26 |
Feels °C | 31 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 29 | 30 | 29 | 29 | 31 | 31 | 32 | 31 | 30 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 9 | ENE 9 | ENE 9 | WNW 13 | WNW 13 | WNW 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SE 9 | N 10 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
| kJ | 282 | 276 | 276 | 270 | 307 | 246 | 173 | 115 | 81 | 81 | 56 | 52 | 29 | 28 | 262 | 262 | 232 | 237 | 242 | 242 | 181 | 185 | 185 | 185 |
Swell 2 Height (m) Direction Period (s) | WNW 14 | WNW 14 | WNW 13 | WNW 14 | WSW 7 | SE 8 | SE 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | N 10 | SE 9 | N 9 | N 9 | SE 9 | N 9 | WNW 12 | N 8 | N 8 | N 8 | N 8 | N 8 |
| kJ | 512 | 490 | 408 | 395 | 5 | 20 | 25 | 28 | 28 | 28 | 28 | 29 | 31 | 27 | 27 | 26 | 29 | 24 | 55 | 22 | 36 | 35 | 34 | 34 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | WSW 7 | SE 8 | WSW 7 | WSW 7 | WSW 7 | N 12 | N 11 | N 10 | N 10 | N 7 | WNW 12 | SE 9 | SE 9 | N 9 | SE 9 | SE 9 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SE 9 |
| kJ | 24 | 24 | 23 | 5 | 35 | 5 | 5 | 5 | 11 | 22 | 19 | 33 | 14 | 45 | 29 | 29 | 25 | 30 | 30 | 51 | 47 | 46 | 44 | 21 |
Wind waves Height (m) Direction Period (s) | — | — | — | ESE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | 83 | 405 | 381 | 331 | 311 | 311 | 273 | 257 | 295 | 232 | 238 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 1836 | 20 | 20 | 20 | 20 | 1304 | 20 | 1304 | 1304 | 1304 | 26 | 1290 | 1290 | 1290 | 1290 | 0 | 0 | 0 | 0 | 20 | 17 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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