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Surf Forecasts:
Threes surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Wednesday 27 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 10PM is: 0.5m 11s primary swell from a North-northeast direction and 0.6m 8s secondary swell from a Southwest direction (forecast issued at 03:00pm May 27). An open ocean swell of 1.5m 8s 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) | - | - |
| 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 30mm), heaviest during Fri night. Warm (max 28°C on Thu morning, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 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 10 | SW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 | |
109 | 77 | 73 | 70 | 69 | 77 | 78 | 78 | 63 | 204 | 303 | 388 | 425 | 475 | 408 | 659 | 538 | 612 | 510 | 471 | 437 | 416 | 282 | 277 | |
Wind (km/h) | ||||||||||||||||||||||||
off | off | off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | off | off | cross-off | cross-off | off | off | off | off | off | off | off | off | off | |
High Tide | 6:09PM0.59m | 5:05AM0.72m | 7:08PM0.63m | 5:33AM0.71m | 7:58PM0.66m | 6:00AM0.70m | ||||||||||||||||||
Low Tide | 11:34AM0.09m | 11:13PM0.36m | 12:12PM0.02m | 00:04AM0.41m | 12:47PM-0.03m | 00:50AM0.45m | ||||||||||||||||||
 |  |  |  |  | | |  | | | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
 | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | 6:44 |
2 | — | — | — | 3 | — | 2 | — | 1 | 3 | 1 | 1 | 1 | — | — | — | — | — | 2 | 5 | 5 | 3 | 2 | — | |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 27 | 26 | 25 | 26 | 26 | 26 | 27 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 |
29 | 29 | 29 | 29 | 28 | 29 | 28 | 30 | 31 | 28 | 27 | 27 | 29 | 30 | 30 | 30 | 31 | 31 | 30 | 29 | 29 | 30 | 29 | 28 | |
Swell 1 Height (m) Direction Period (s) | NNE 12 | SSW 8 | E 8 | E 8 | E 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | SW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 10 | WSW 9 |
 kJ | 109 | 42 | 356 | 317 | 324 | 77 | 78 | 78 | 63 | 204 | 303 | 388 | 425 | 475 | 408 | 659 | 538 | 612 | 510 | 471 | 437 | 416 | 282 | 277 |
Swell 2 Height (m) Direction Period (s) | SW 8 | NNE 12 | SW 8 | SW 8 | SW 8 | NNE 11 | NNE 11 | NNE 11 | SW 10 | NNE 13 | NNE 10 | NNE 12 | NNE 12 | WSW 13 | WSW 11 | NNE 11 | WSW 12 | NNE 11 | NNE 11 | NNE 11 | E 10 | E 10 | E 10 | E 10 |
| kJ | 32 | 77 | 46 | 46 | 49 | 38 | 38 | 38 | 46 | 63 | 20 | 57 | 56 | 90 | 197 | 51 | 162 | 47 | 47 | 47 | 279 | 277 | 237 | 237 |
Swell 3 Height (m) Direction Period (s) | ESE 13 | NNE 14 | NNE 11 | NNE 11 | NNE 11 | NE 13 | NE 13 | NE 13 | NNE 11 | SE 12 | NE 12 | SE 12 | SE 12 | NNE 12 | NNE 12 | SE 11 | NNE 11 | SE 11 | SE 10 | SE 11 | NNE 11 | NNE 11 | SW 8 | NNE 11 |
| kJ | 16 | 19 | 73 | 70 | 69 | 41 | 42 | 42 | 46 | 21 | 39 | 34 | 35 | 56 | 54 | 19 | 49 | 29 | 28 | 29 | 46 | 46 | 33 | 46 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | — | — | — | E 8 | E 8 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 9 | E 9 | E 9 | E 10 | E 10 | — | — | — | — |
| kJ | 347 | 354 | — | — | — | 324 | 283 | 290 | 297 | 297 | 386 | 260 | 203 | 234 | 245 | 269 | 240 | 210 | 279 | 279 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 13 | 13 | 13 | 0 | 13 | 0 | 0 | 0 | 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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