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Surf Forecasts:
Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 9 pm Saturday 09 May 2026 ChSTForecast update in hr min s Forecast update imminent
Threes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Threes sea temperature is
28.5° C
(Which is normal for this time of year)How big are the waves at Threes today?
The current surf forecast for Threes at 2AM is: 0.2m 9s primary swell from a North direction (forecast issued at 09:00pm May 09). An open ocean swell of 0.2m 6s is not directed at the surf break, a second open ocean swell of 2.3m 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 (10 May) | 0.5ft (0.2m) | 8s |
| Afternoon (10 May) | 0.5ft (0.1m) | 6s |
| Evening (10 May) | 0.5ft (0.1m) | 6s |
Table - waves today at Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 25mm), heaviest during Mon night. Warm (max 28°C on Mon morning, min 27°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Sat 9 | Sunday 10 | Monday 11 | Tuesday 12 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
N 10 | N 9 | N 9 | N 9 | N 9 | N 8 | SW 6 | SW 6 | SW 6 | E 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 8 | E 10 | E 10 | N 8 | N 7 | E 9 | E 9 | E 9 | NW 10 | |
7 | 6 | 6 | 6 | 6 | 5 | 1 | 1 | 1 | 0 | 2 | 2 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 4 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | off | cross-off | off | off | cross-off | off | off | |
High Tide | 2:51AM0.67m | 12:24PM0.55m | 3:27AM0.68m | 2:04PM0.54m | 3:58AM0.69m | 3:38PM0.55m | ||||||||||||||||||
Low Tide | 6:56PM0.04m | 8:28AM0.48m | 7:52PM0.08m | 9:27AM0.41m | 8:50PM0.12m | 10:14AM0.31m | ||||||||||||||||||
 | |  | |  | | |  |  | | | | | |  | | | | | |  | | | | |
 | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 | — | — | — | — | — | — | — | 6:37 |
— | — | — | — | 1 | 1 | 2 | — | 1 | 2 | 2 | — | 1 | 1 | — | — | — | 1 | 1 | 3 | 6 | 3 | — | — | |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 |
27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 29 | 29 | 29 | 30 | 29 | 29 | 29 | 30 | 30 | 29 | 30 | |
Swell 1 Height (m) Direction Period (s) | S 6 | S 6 | SSW 6 | N 9 | N 9 | N 8 | SW 6 | E 10 | E 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | E 10 | E 10 | SE 9 | E 10 | SE 12 | E 9 | E 9 | E 9 | E 9 |
 kJ | 3 | 3 | 4 | 6 | 6 | 1 | 1 | 895 | 895 | 4 | 4 | 4 | 4 | 4 | 4 | 782 | 710 | 3 | 639 | 5 | 549 | 490 | 425 | 427 |
Swell 2 Height (m) Direction Period (s) | N 10 | N 9 | N 9 | S 11 | S 11 | N 8 | SW 6 | SW 6 | SW 6 | — | N 8 | N 10 | N 10 | N 9 | N 9 | N 8 | SE 9 | SE 9 | SE 9 | SE 9 | SE 12 | SE 12 | SE 12 | SE 11 |
| kJ | 7 | 6 | 6 | 2 | 2 | 5 | 1 | 1 | 1 | — | 1 | 2 | 2 | 1 | 1 | 1 | 3 | 3 | 3 | 3 | 5 | 5 | 21 | 20 |
Swell 3 Height (m) Direction Period (s) | S 12 | S 12 | S 11 | S 11 | S 11 | — | — | SW 6 | — | — | N 10 | — | — | — | — | — | — | — | N 8 | N 7 | SE 9 | SE 9 | SE 9 | NW 10 |
| kJ | 3 | 3 | 3 | 2 | 2 | — | — | 1 | — | — | 2 | — | — | — | — | — | — | — | 1 | 1 | 3 | 3 | 3 | 4 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 10 | E 10 | E 10 | E 10 | E 10 | — | — | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | — | — | E 10 | — | E 9 | — | — | — | — |
| kJ | 845 | 845 | 943 | 858 | 876 | 876 | 895 | — | — | 895 | 895 | 895 | 876 | 876 | 876 | — | — | 639 | — | 625 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1838 | 1810 | 1810 | 1810 | 1810 | 1810 | 1885 | 1885 | 1859 | 1810 | 1810 | 1810 | 1810 | 1810 | 1885 | 1887 | 1889 | 1270 | 1810 | 1270 | 23 | 23 | 1270 | 1270 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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