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Surf Forecasts:
Magoos surfForecast / Guam / Guam
48hr Weather and Surf, issued 3 pm Sunday 31 May 2026 ChSTForecast update in hr min s Forecast update imminent
Magoos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Magoos sea temperature is
28.7° C
(Which is normal for this time of year)How big are the waves at Magoos today (31 May):
- Afternoon surf: Afternoon surf (31 May, local time) - 3.5ft (1.0m), 10s period with E swell.
- Evening surf: Evening surf (31 May, local time) - 3.5ft (1.1m), 10s period with E swell.
The current surf forecast for Magoos at 8PM is: 1.1m 10s primary swell from a East direction and 0.7m 10s secondary swell from a West direction (forecast issued at 03:00pm May 31). An open ocean swell of 0.6m 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 (31 May) | - | - |
| Afternoon (31 May) | 3.5ft (1.0m) | 10s |
| Evening (31 May) | 3.5ft (1.1m) | 10s |
Table - waves today at Magoos. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon night. Warm (max 29°C on Sun afternoon, min 26°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 31 | Monday 1 | Tuesday 2 | Wed 3 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | W 10 | W 10 | W 10 | W 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | WNW 11 | |
194 | 190 | 230 | 230 | 230 | 225 | 231 | 125 | 94 | 162 | 138 | 164 | 164 | 168 | 136 | 136 | 136 | 133 | 133 | 133 | 133 | 133 | 103 | 110 | |
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 | cross-off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 9:13PM0.72m | 6:50AM0.70m | 9:51PM0.73m | 7:24AM0.69m | 10:30PM0.73m | 8:00AM0.69m | ||||||||||||||||||
Low Tide | 1:49PM-0.03m | 2:19AM0.54m | 2:23PM-0.04m | 3:02AM0.55m | 2:59PM-0.04m | 3:43AM0.55m | ||||||||||||||||||
 | |  | | | | | | | | | |  | | | | | | | | | | | | |
 | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — |
 | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:45 | — | — | — | — | — | 6:45 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 29 | 29 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 29 | 28 | 28 | 27 | 27 | 26 | 26 | 28 |
31 | 31 | 30 | 28 | 29 | 29 | 29 | 29 | 30 | 29 | 30 | 29 | 30 | 30 | 30 | 31 | 32 | 30 | 30 | 29 | 30 | 29 | 29 | 31 | |
Swell 1 Height (m) Direction Period (s) | SW 8 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | ENE 9 |
 kJ | 55 | 74 | 76 | 106 | 127 | 125 | 123 | 125 | 94 | 162 | 138 | 133 | 100 | 168 | 136 | 136 | 136 | 133 | 133 | 133 | 133 | 133 | 103 | 110 |
Swell 2 Height (m) Direction Period (s) | W 9 | SW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 | NNE 11 | E 10 | E 10 | E 9 | E 9 | NE 11 | NE 11 | W 10 | W 10 | W 10 | WNW 10 | WNW 10 | WNW 10 | W 10 | WNW 10 | WNW 11 | WNW 11 | WNW 11 |
| kJ | 36 | 51 | 45 | 41 | 29 | 28 | 47 | 67 | 65 | 63 | 61 | 29 | 29 | 96 | 71 | 71 | 78 | 86 | 86 | 49 | 83 | 93 | 91 | 105 |
Swell 3 Height (m) Direction Period (s) | NE 12 | NE 12 | NE 11 | NNE 11 | NE 11 | NNE 11 | SW 7 | NE 11 | WNW 12 | NE 11 | NE 11 | SW 7 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 | WSW 7 | WNW 12 | WSW 7 | SE 12 | SE 12 | SE 12 |
| kJ | 66 | 66 | 63 | 48 | 60 | 47 | 14 | 30 | 47 | 30 | 30 | 14 | 14 | 16 | 15 | 14 | 11 | 11 | 11 | 28 | 10 | 22 | 22 | 21 |
Wind waves Height (m) Direction Period (s) | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 10 | E 6 | E 6 | E 6 | E 6 | E 9 | E 9 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 194 | 190 | 230 | 230 | 230 | 225 | 231 | 64 | 64 | 67 | 53 | 164 | 164 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1284 | 1284 | 1284 | 1284 | 1284 | 1284 | 1284 | 1366 | 1366 | 1366 | 1297 | 1833 | 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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