Surf Forecasts:
How big are the waves at Threes today (16 Sep):
- Afternoon surf: Afternoon surf (16 Sep, local time) - 3.5ft (1.1m), 9s period with NE swell.
- Evening surf: Evening surf (16 Sep, local time) - 3.5ft (1.1m), 9s period with NE swell.
The current surf forecast for Threes at 10PM is: 0.9m 8s primary swell from a West-southwest direction (forecast issued at 03:00pm September 16). An open ocean swell of 1.1m 9s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Sep) | - | - |
| Afternoon (16 Sep) | 3.5ft (1.1m) | 9s |
| Evening (16 Sep) | 3.5ft (1.1m) | 9s |
Table - waves today at Threes. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Wed night. Warm (max 30°C on Wed afternoon, min 28°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Wed 16 | Thursday 17 | Friday 18 | ||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 8 | NE 9 | NE 9 | WSW 8 | NE 9 | SW 8 | SW 8 | NE 8 | NE 8 | NE 8 | NE 8 | SW 8 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 |
Wave Graph  | ||||||||||||||||||||
 kJ | 143 | 253 | 235 | 117 | 155 | 191 | 156 | 138 | 118 | 105 | 82 | 262 | 440 | 437 | 390 | 311 | 304 | 281 | 363 | 371 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 11:39AM0.62m | 10:14PM0.66m | 12:46PM0.59m | 10:44PM0.64m | 2:06PM0.59m | |||||||||||||||
Low Tide | 4:45PM0.41m | 5:29AM0.06m | 5:28PM0.46m | 6:21AM0.08m | 6:29PM0.50m | |||||||||||||||
 |  |  | | |  | | |  | |  | | | | | |  | | | | |
 | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:21 | — | — |
mm | — | — | 1 | 3 | 2 | — | — | — | 1 | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — |
Temp °C | 30 | 30 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 |
Feels °C | 32 | 32 | 32 | 31 | 29 | 30 | 31 | 30 | 30 | 31 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 8 | SW 8 | NE 8 | NE 8 | S 8 | SSW 8 | SW 8 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 8 | SSE 9 | NNE 10 |
| kJ | 194 | 253 | 235 | 186 | 155 | 160 | 154 | 138 | 118 | 120 | 197 | 262 | 440 | 437 | 390 | 311 | 304 | 281 | 65 | 57 |
Swell 2 Height (m) Direction Period (s) | SW 8 | WSW 8 | WSW 8 | WSW 8 | ENE 13 | ENE 13 | NE 8 | WSW 8 | WSW 8 | NE 8 | NE 8 | NE 8 | NE 9 | NE 8 | NNE 8 | NNE 8 | NNE 9 | SSE 7 | NNE 9 | SE 9 |
| kJ | 143 | 117 | 117 | 117 | 113 | 95 | 156 | 117 | 105 | 100 | 82 | 74 | 77 | 74 | 62 | 45 | 54 | 34 | 45 | 36 |
Swell 3 Height (m) Direction Period (s) | S 7 | S 7 | S 7 | ENE 13 | SSE 8 | S 7 | S 7 | S 7 | S 7 | ENE 12 | WSW 8 | WSW 8 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | S 7 | NNE 10 | ENE 11 | ENE 11 |
| kJ | 54 | 51 | 35 | 116 | 33 | 24 | 44 | 58 | 81 | 57 | 55 | 28 | 23 | 30 | 28 | 26 | 22 | 52 | 50 | 50 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SW 8 | SW 8 | — | — | — | WSW 8 | — | — | — | — | — | — | — | — | SW 8 | SW 8 |
| kJ | — | — | — | — | 132 | 191 | — | — | — | 105 | — | — | — | — | — | — | — | — | 363 | 371 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 255 | 15 | 257 | 15 | 15 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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