Surf Forecasts:
How big are the waves at Boat Basin Lefts today (23 Oct):
- Morning surf: Morning surf (23 Oct, local time) - 3.5ft (1.0m), 13s period with W swell.
- Afternoon surf: Afternoon surf (23 Oct, local time) - 3.5ft (1.1m), 13s period with W swell.
- Evening surf: Evening surf (23 Oct, local time) - 3.5ft (1.1m), 13s period with W swell.
The current surf forecast for Boat Basin Lefts at 12PM is: 1.0m 13s primary swell from a West direction and 1.4m 9s secondary swell from a East-northeast direction (forecast issued at 03:00am October 23). The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Oct) | 3.5ft (1.0m) | 13s |
| Afternoon (23 Oct) | 3.5ft (1.1m) | 13s |
| Evening (23 Oct) | 3.5ft (1.1m) | 13s |
Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 11mm), heaviest on Sun morning. Warm (max 28°C on Fri morning, min 26°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||
Friday 23 | Saturday 24 | Sunday 25 | ||||||||||||||||||||||
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 9 | NE 9 | NE 9 | W 13 | W 13 | W 12 | W 13 | WNW 13 | WNW 12 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 14 | WNW 14 | WNW 13 | WNW 14 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 346 | 309 | 316 | 355 | 414 | 377 | 395 | 418 | 398 | 411 | 424 | 424 | 431 | 507 | 507 | 461 | 512 | 490 | 408 | 395 | 326 | 326 | 280 | 280 |
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-off | cross-off | cross-off |
High Tide | 5:02AM0.74m | 5:37PM0.86m | 6:07AM0.79m | 6:00PM0.88m | 7:06AM0.84m | 6:25PM0.89m | ||||||||||||||||||
Low Tide | 11:30PM0.48m | 11:08AM0.39m | 00:04AM0.39m | 11:57AM0.43m | 00:39AM0.28m | 12:44PM0.48m | ||||||||||||||||||
 |  |  | | | | | | | | | |  | |  | | | | | | | | | | |
 | — | 6:11 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — |
 | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — | — | — | — | — | — | 5:57 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | 1 | — | 1 | 1 | 2 | 1 | — | — | 1 |
Temp °C | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 27 | 27 |
Feels °C | 30 | 28 | 29 | 29 | 29 | 30 | 30 | 30 | 31 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 | 30 | 29 | 30 | 30 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | W 12 | W 12 | NE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | NE 9 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 9 | ENE 9 | WNW 13 | ENE 9 | ENE 9 | ENE 9 | WNW 14 | WNW 13 | WNW 13 | ENE 9 | WNW 12 |
| kJ | 266 | 276 | 316 | 300 | 300 | 307 | 270 | 264 | 231 | 231 | 231 | 237 | 276 | 282 | 282 | 461 | 385 | 362 | 313 | 395 | 312 | 246 | 280 | 117 |
Swell 2 Height (m) Direction Period (s) | SE 9 | SE 9 | W 12 | W 13 | W 13 | W 12 | W 13 | WNW 13 | WNW 12 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | WNW 13 | SE 8 | WNW 14 | WNW 14 | WNW 13 | SE 8 | SE 8 | SE 7 | WNW 13 | SE 9 |
| kJ | 22 | 13 | 216 | 355 | 414 | 377 | 395 | 418 | 398 | 411 | 424 | 424 | 431 | 507 | 507 | 24 | 512 | 490 | 408 | 22 | 20 | 25 | 176 | 37 |
Swell 3 Height (m) Direction Period (s) | N 11 | N 11 | W 14 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | SE 8 | WSW 8 | SE 8 | SE 8 | SE 8 | WSW 8 | WSW 8 | WSW 7 | SE 7 | WSW 7 |
| kJ | 10 | 20 | 106 | 14 | 22 | 22 | 22 | 29 | 38 | 35 | 41 | 37 | 28 | 29 | 32 | 12 | 24 | 24 | 33 | 6 | 6 | 5 | 32 | 5 |
Wind waves Height (m) Direction Period (s) | ENE 9 | NE 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | ENE 9 | — | — | — | ENE 9 | ENE 9 | ENE 9 | — | ENE 9 |
| kJ | 346 | 309 | — | — | — | — | — | — | — | — | — | — | — | — | — | 362 | — | — | — | 292 | 326 | 326 | — | 280 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1304 | 1373 | 1373 | 1373 | 1373 | 1373 | 0 | 0 | 0 | 0 | 0 | 20 | 1905 | 1864 | 1864 | 1864 | 20 | 20 | 20 | 20 | 20 | 20 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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