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Surf Forecasts:
Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Monday 25 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
28.7° C
(Which is normal for this time of year)How big are the waves at Threes today?
The current surf forecast for Threes at 9PM is: 0.2m 12s primary swell from a North direction (forecast issued at 03:00pm May 25). An open ocean swell of 0.1m 14s is not directed at the surf break, a second open ocean swell of 1.7m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (25 May) | - | - |
| Afternoon (25 May) | 0.5ft (0.1m) | 13s |
| Evening (25 May) | 0.5ft (0.2m) | 12s |
Table - waves today at Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 39mm), heaviest during Wed night. Warm (max 28°C on Mon afternoon, min 25°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Mon 25 | Tuesday 26 | Wednesday 27 | Thu 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 |    |    |    |    | ||||||||||||||||||||
N 13 | N 13 | N 12 | N 12 | N 12 | N 11 | N 11 | N 11 | N 10 | N 10 | N 10 | N 10 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | |
3 | 3 | 3 | 11 | 24 | 39 | 37 | 55 | 51 | 51 | 54 | 53 | 66 | 64 | 115 | 111 | 109 | 77 | 73 | 86 | 84 | 80 | 78 | 78 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | cross-off | cross | cross-off | cross-off | |
High Tide | 3:26PM0.53m | 4:04AM0.73m | 4:56PM0.55m | 4:36AM0.72m | 6:09PM0.59m | 5:05AM0.72m | ||||||||||||||||||
Low Tide | 10:02AM0.28m | 9:20PM0.20m | 10:51AM0.18m | 10:18PM0.29m | 11:34AM0.09m | 11:13PM0.36m | ||||||||||||||||||
 | |  |  | | | | | |  | |  | | | |  |  | | | | |  | | | |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
 | — | 6:42 | — | — | — | — | — | — | — | 6:42 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | 6:43 |
1 | 1 | — | 1 | — | — | 2 | 3 | 1 | — | — | — | 3 | 4 | 4 | 2 | — | — | — | 1 | 1 | 10 | 5 | 1 | |
Temp °C | 28 | 28 | 28 | 27 | 28 | 27 | 27 | 27 | 28 | 28 | 27 | 27 | 26 | 27 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 25 | 25 |
29 | 28 | 29 | 27 | 29 | 28 | 28 | 27 | 29 | 29 | 27 | 28 | 26 | 28 | 26 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 28 | 25 | |
Swell 1 Height (m) Direction Period (s) | SE 14 | SE 14 | SE 14 | N 12 | N 12 | N 11 | N 11 | S 5 | N 10 | N 10 | N 10 | N 10 | NNE 10 | NNE 13 | NNE 12 | E 9 | E 9 | E 9 | SW 8 | SW 8 | SW 8 | E 9 | E 8 | SW 8 |
 kJ | 8 | 8 | 8 | 11 | 24 | 39 | 37 | 15 | 51 | 51 | 54 | 53 | 33 | 64 | 115 | 393 | 347 | 304 | 53 | 86 | 84 | 335 | 320 | 78 |
Swell 2 Height (m) Direction Period (s) | N 11 | N 13 | N 12 | SE 14 | SE 14 | SE 14 | SE 14 | N 11 | S 6 | NNE 14 | NNE 14 | S 5 | NNE 13 | NNE 10 | SSW 8 | NNE 12 | NNE 12 | SW 8 | NNE 11 | NNE 11 | NNE 11 | SW 8 | SW 8 | E 10 |
| kJ | 2 | 3 | 3 | 8 | 8 | 7 | 7 | 55 | 15 | 20 | 37 | 8 | 66 | 33 | 7 | 111 | 109 | 53 | 73 | 70 | 69 | 80 | 78 | 51 |
Swell 3 Height (m) Direction Period (s) | N 13 | N 11 | N 10 | N 10 | N 10 | — | N 15 | NNE 14 | NNE 14 | SE 13 | SSW 8 | NNE 14 | SW 7 | SW 7 | SW 7 | SW 8 | SSW 8 | NNE 12 | NNE 14 | NNE 14 | ESE 12 | NNE 11 | NNE 11 | NNE 11 |
| kJ | 3 | 2 | 2 | 2 | 2 | — | 4 | 20 | 18 | 7 | 6 | 36 | 7 | 7 | 7 | 34 | 45 | 77 | 18 | 18 | 14 | 38 | 38 | 38 |
Wind waves Height (m) Direction Period (s) | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | ESE 9 | E 9 | E 9 | ESE 9 | E 9 | — | — | — | E 8 | E 9 | E 9 | — | — | E 8 |
| kJ | 279 | 298 | 298 | 374 | 383 | 349 | 358 | 313 | 328 | 347 | 404 | 386 | 393 | 442 | 384 | — | — | — | 283 | 304 | 304 | — | — | 245 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1270 | 1270 | 1810 | 1810 | 1270 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 0 | 13 | 13 | 0 | 1810 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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