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Surf Forecasts:
Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Saturday 25 Apr 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
27.9° C
(Which is normal for this time of year)How big are the waves at Threes today?
The current surf forecast for Threes at 12AM is: 0.5m 13s primary swell from a North-northeast direction and 0.4m 9s secondary swell from a Northeast direction (forecast issued at 03:00pm April 25). An open ocean swell of 1.1m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (26 Apr) | - | - |
| Afternoon (26 Apr) | 1.5ft (0.5m) | 14s |
| Evening (26 Apr) | 1.5ft (0.5m) | 13s |
Table - waves today at Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 6mm), mostly falling on Mon morning. Warm (max 28°C on Sat afternoon, min 26°C on Sat night). Mainly fresh winds. | ||||||||||||||||||||||||
Sat 25 | Sunday 26 | Monday 27 | Tue 28 | |||||||||||||||||||||
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 | 1 AM | 4 AM | 7 AM | 10 AM | |
Swell Height Map |   |    |    |    | ||||||||||||||||||||
NNE 14 | NNE 14 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 14 | NNE 14 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 15 | NNE 15 | NNE 14 | NNE 14 | |
113 | 108 | 102 | 99 | 98 | 66 | 66 | 65 | 64 | 59 | 56 | 47 | 46 | 80 | 71 | 68 | 34 | 57 | 57 | 67 | 44 | 42 | 120 | 118 | |
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 | off | off | off | off | off | off | off | off | |
High Tide | 1:37PM0.57m | 4:33AM0.73m | 3:23PM0.56m | 5:10AM0.73m | 4:50PM0.58m | 5:41AM0.73m | ||||||||||||||||||
Low Tide | 9:01PM0.02m | 10:36AM0.39m | 10:05PM0.08m | 11:25AM0.29m | 11:02PM0.14m | |||||||||||||||||||
 | |  | |  | | | | | | | | | | |  | | |  | | | | |  | |
 | — | — | — | — | — | 6:03 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — |
 | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | 6:35 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | 1 | 1 | 1 | 1 | — | — | |
Temp °C | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 27 |
28 | 28 | 28 | 28 | 26 | 24 | 24 | 26 | 25 | 26 | 27 | 27 | 26 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 26 | 27 | 27 | |
Swell 1 Height (m) Direction Period (s) | NNE 14 | NNE 14 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 14 | NNE 14 | NNE 13 | ENE 8 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | NNE 15 | NNE 14 | NNE 14 |
 kJ | 113 | 108 | 102 | 99 | 98 | 66 | 66 | 65 | 64 | 59 | 56 | 47 | 46 | 80 | 71 | 68 | 280 | 57 | 57 | 67 | 31 | 42 | 120 | 118 |
Swell 2 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NW 8 | NW 8 | NW 8 | NW 7 | ENE 10 | NW 7 | NNE 15 | NNE 15 | N 18 | N 18 | NE 18 | NNE 13 | NNE 16 | NNE 16 | NNE 16 | NNE 15 | NNE 12 | N 11 | N 10 |
| kJ | 29 | 29 | 29 | 27 | 29 | 2 | 2 | 2 | 2 | 10 | 2 | 21 | 21 | 6 | 6 | 12 | 34 | 26 | 25 | 25 | 44 | 28 | 21 | 18 |
Swell 3 Height (m) Direction Period (s) | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 12 | SE 11 | SE 11 | SE 11 | NW 7 | S 13 | NW 7 | SE 11 | NW 10 | SE 11 | SE 10 | NNE 17 | NW 9 | NW 9 | NW 8 | NW 9 | N 11 | S 13 | S 13 |
| kJ | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 2 | 3 | 2 | 5 | 4 | 5 | 4 | 27 | 3 | 3 | 3 | 3 | 10 | 3 | 3 |
Wind waves Height (m) Direction Period (s) | E 6 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | — | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 101 | 86 | 110 | 113 | 110 | 168 | 189 | 214 | 220 | 227 | 233 | 270 | 319 | 327 | 308 | 308 | — | 238 | 238 | 273 | 277 | 373 | 372 | 417 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1284 | 1284 | 1284 | 1352 | 1284 | 1352 | 1352 | 1352 | 1352 | 1352 | 1352 | 1810 | 1810 | 1810 | 1810 | 1810 | 0 | 0 | 0 | 0 | 0 | 9 | 1810 | 1810 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
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