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Surf Forecasts:
Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 9 pm Sunday 31 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
28.9° C
(Which is normal for this time of year)How big are the waves at Threes today (01 Jun):
- Morning surf: Morning surf (01 Jun, local time) - 2.5ft (0.8m), 10s period with W swell.
- Afternoon surf: Afternoon surf (01 Jun, local time) - 3ft (0.9m), 10s period with W swell.
- Evening surf: Evening surf (01 Jun, local time) - 2.5ft (0.8m), 10s period with W swell.
The current surf forecast for Threes at 1AM is: 0.8m 10s primary swell from a West direction and 0.5m 8s secondary swell from a Southwest direction (forecast issued at 09:00pm May 31). An open ocean swell of 1.1m 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 (01 Jun) | 2.5ft (0.8m) | 10s |
| Afternoon (01 Jun) | 3ft (0.9m) | 10s |
| Evening (01 Jun) | 2.5ft (0.8m) | 10s |
Table - waves today at Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Mon morning. Warm (max 28°C on Sun night, min 27°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wednesday 3 | |||||||||||||||||||||
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 |   |    |    |    | ||||||||||||||||||||
W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | WNW 10 | W 10 | WNW 11 | WNW 11 | WNW 10 | WNW 11 | |
81 | 122 | 125 | 125 | 122 | 92 | 122 | 196 | 177 | 141 | 106 | 102 | 102 | 100 | 75 | 78 | 80 | 49 | 85 | 48 | 91 | 101 | 95 | 99 | |
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 | off | cross-off | cross-off | off | off | off | off | cross-off | glassy | glassy | cross-off | cross-off | cross-off | |
High Tide | 9:21PM0.69m | 6:56AM0.69m | 10:00PM0.70m | 7:25AM0.68m | 10:38PM0.70m | 7:55AM0.67m | ||||||||||||||||||
Low Tide | 2:11AM0.50m | 2:26PM-0.09m | 2:49AM0.52m | 2:59PM-0.09m | 3:27AM0.53m | 3:33PM-0.08m | ||||||||||||||||||
 | | | |  |  | | | | | | | | | | | | | | | | | |  | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | — | — | 6:45 |
— | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | |
Temp °C | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 28 | 28 | 28 |
30 | 30 | 29 | 29 | 29 | 30 | 30 | 29 | 30 | 30 | 31 | 30 | 30 | 32 | 31 | 31 | 31 | 32 | 31 | 32 | 32 | 31 | 32 | 31 | |
Swell 1 Height (m) Direction Period (s) | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | E 9 | W 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 |
 kJ | 81 | 122 | 125 | 125 | 122 | 92 | 122 | 196 | 202 | 141 | 164 | 164 | 168 | 168 | 136 | 133 | 133 | 133 | 138 | 138 | 135 | 135 | 135 | 135 |
Swell 2 Height (m) Direction Period (s) | SW 8 | SW 8 | SW 8 | WSW 8 | E 10 | E 10 | E 9 | E 9 | W 10 | SW 8 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | WNW 10 | W 10 | WNW 11 | WNW 11 | WNW 10 | WNW 11 |
| kJ | 51 | 51 | 31 | 40 | 68 | 67 | 64 | 63 | 177 | 17 | 106 | 102 | 102 | 100 | 75 | 78 | 80 | 49 | 85 | 48 | 91 | 101 | 95 | 99 |
Swell 3 Height (m) Direction Period (s) | NE 11 | NE 11 | NE 11 | NE 11 | SW 8 | WSW 7 | SW 7 | NE 11 | NE 11 | NE 11 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 7 | SW 7 | WSW 7 | WSW 7 | WNW 11 | SE 12 | SE 12 | SE 12 | SE 11 |
| kJ | 32 | 31 | 31 | 31 | 28 | 21 | 13 | 30 | 29 | 29 | 23 | 22 | 22 | 22 | 23 | 14 | 14 | 10 | 10 | 48 | 35 | 35 | 34 | 33 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 6 | E 6 | E 6 | E 7 | — | E 9 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 230 | 273 | 225 | 225 | 66 | 68 | 67 | 69 | — | 198 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1270 | 1270 | 1270 | 1270 | 1270 | 1284 | 1352 | 1352 | 25 | 26 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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