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Surf Forecasts:
Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 9 pm Tuesday 26 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?
The current surf forecast for Threes at 5AM is: 0.5m 13s primary swell from a North-northeast direction and 0.4m 10s secondary swell from a North-northeast direction (forecast issued at 09:00pm May 26). An open ocean swell of 1.6m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 May) | 2ft (0.6m) | 12s |
| Afternoon (27 May) | 1.5ft (0.5m) | 12s |
| Evening (27 May) | 1.5ft (0.5m) | 11s |
Table - waves today at Threes. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastHeavy rain (total 27mm), heaviest during Tue night. Warm (max 29°C on Thu morning, min 26°C on Wed morning). Winds decreasing (fresh winds from the ESE on Wed morning, light winds from the E by Wed night). | ||||||||||||||||||||||||
Tue 26 | Wednesday 27 | Thursday 28 | Friday 29 | |||||||||||||||||||||
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 10 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | NNE 11 | NNE 11 | SW 8 | SW 8 | SW 8 | SW 8 | SW 10 | SW 10 | SW 10 | SW 10 | SW 11 | SW 10 | SW 10 | SW 10 | WSW 10 | |
54 | 53 | 66 | 64 | 115 | 111 | 109 | 77 | 73 | 70 | 69 | 77 | 77 | 77 | 112 | 231 | 451 | 588 | 677 | 690 | 685 | 580 | 500 | 578 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | off | off | off | off | off | off | off | cross-off | off | off | off | cross-off | off | off | cross-off | cross-off | off | off | cross-off | |
High Tide | 4:56PM0.55m | 4:36AM0.72m | 6:09PM0.59m | 5:05AM0.72m | 7:08PM0.63m | 5:33AM0.71m | ||||||||||||||||||
Low Tide | 10:18PM0.29m | 11:34AM0.09m | 11:13PM0.36m | 12:12PM0.02m | 00:04AM0.41m | 12:47PM-0.03m | ||||||||||||||||||
 |  | | |  | | |  | | |  | |  | | | | | | | | | | | | |
 | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 |
1 | — | 1 | 5 | 5 | 2 | 1 | — | — | — | — | — | — | — | — | 2 | 4 | 2 | 3 | 1 | — | — | — | — | |
Temp °C | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 28 | 28 |
28 | 28 | 28 | 28 | 27 | 26 | 28 | 29 | 27 | 29 | 29 | 31 | 31 | 31 | 32 | 31 | 30 | 28 | 29 | 29 | 29 | 28 | 31 | 31 | |
Swell 1 Height (m) Direction Period (s) | N 10 | N 10 | NNE 10 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | SW 8 | E 8 | SW 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 9 | SW 10 | SW 10 | SW 10 | SW 11 | SW 10 | SW 10 | SW 10 | WSW 10 |
 kJ | 54 | 53 | 33 | 64 | 115 | 111 | 109 | 31 | 356 | 48 | 305 | 298 | 266 | 273 | 205 | 209 | 451 | 588 | 677 | 690 | 685 | 580 | 500 | 578 |
Swell 2 Height (m) Direction Period (s) | S 5 | SSE 5 | NNE 13 | NNE 10 | SW 7 | SSW 8 | SW 8 | NNE 12 | SW 8 | NNE 11 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 10 | E 9 | E 9 | E 8 | E 8 | NNE 12 | E 8 | WSW 13 | E 9 |
| kJ | 5 | 8 | 66 | 33 | 7 | 27 | 32 | 77 | 48 | 70 | 49 | 77 | 77 | 77 | 112 | 231 | 219 | 219 | 204 | 171 | 54 | 204 | 165 | 247 |
Swell 3 Height (m) Direction Period (s) | NNE 14 | NNE 14 | SSE 5 | SW 7 | SSW 8 | ESE 13 | ESE 13 | NNE 14 | NNE 11 | NNE 14 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | E 10 | NNE 13 | NNE 10 | NNE 12 | NNE 12 | NNE 12 | SE 10 | WSW 13 | NNE 11 | NNE 11 |
| kJ | 37 | 36 | 4 | 7 | 7 | 16 | 16 | 19 | 73 | 18 | 69 | 69 | 38 | 38 | 51 | 62 | 20 | 57 | 56 | 56 | 17 | 137 | 49 | 47 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | — | E 8 | — | — | — | — | — | — | — | — | — | — | E 8 | — | E 10 | — |
| kJ | 299 | 298 | 298 | 343 | 440 | 381 | 381 | 364 | — | 356 | — | — | — | — | — | — | — | — | — | — | 204 | — | 225 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 9 | 1270 | 1270 | 1810 | 1810 | 1810 | 0 | 0 | 1859 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 1810 | 23 | 0 | 0 | 0 |
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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