Surf Forecasts:
How big are the waves at Tank Beach today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 3ft (0.9m), 8s period with NNW swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 3.5ft (1.0m), 8s period with NNW swell.
- Evening surf: Evening surf (19 Sep, local time) - 3.5ft (1.0m), 8s period with NNW swell.
The current surf forecast for Tank Beach at 8AM is: 0.9m 8s primary swell from a North-northwest direction (forecast issued at 03:00am September 19). An open ocean swell of 0.9m 8s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 3ft (0.9m) | 8s |
| Afternoon (19 Sep) | 3.5ft (1.0m) | 8s |
| Evening (19 Sep) | 3.5ft (1.0m) | 8s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 19mm), heaviest on Sun night. Warm (max 29°C on Sat morning, min 28°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | ||||||||||||||||||||||
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 | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | N 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NE 10 | NNW 8 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NE 12 | NE 12 | NE 11 | NE 11 | NE 11 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 95 | 79 | 79 | 87 | 93 | 116 | 122 | 125 | 128 | 113 | 235 | 240 | 240 | 235 | 196 | 192 | 188 | 161 | 161 | 273 | 343 | 303 | 258 | 224 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | cross-off | glassy | glassy | glassy | glassy | cross-on | on | on | cross-on | cross-on | cross-on | cross | cross | cross-off | cross-off | cross-off | cross | cross | cross |
High Tide | 10:38PM0.64m | 4:27PM0.64m | 11:24PM0.63m | 5:13PM0.65m | 00:33AM0.62m | 5:45PM0.66m | ||||||||||||||||||
Low Tide | 7:30AM0.19m | 8:11PM0.61m | 8:27AM0.19m | 9:25PM0.60m | 9:20AM0.19m | |||||||||||||||||||
 |  |  | |  | | | | | | | | |  | |  | | | | | | | | | |
 | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — | — | 6:14 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 2 | 2 | 8 | 1 | 1 | — | 1 | — | 1 |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 32 | 32 | 32 | 32 | 32 | 33 | 34 | 34 | 35 | 34 | 34 | 33 | 33 | 33 | 32 | 33 | 32 | 32 | 32 | 33 | 34 | 33 | 32 | 32 |
Swell 1 Height (m) Direction Period (s) | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NE 12 | NE 12 | NE 11 | NE 11 | NE 11 |
| kJ | 147 | 147 | 123 | 123 | 123 | 123 | 122 | 125 | 128 | 113 | 235 | 240 | 240 | 235 | 196 | 192 | 188 | 161 | 161 | 273 | 343 | 303 | 258 | 224 |
Swell 2 Height (m) Direction Period (s) | N 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | NNW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | NE 11 | NE 11 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NE 10 | NNW 10 | NW 9 | NW 9 | NW 9 | NW 9 |
| kJ | 95 | 79 | 79 | 87 | 93 | 116 | 123 | 123 | 108 | 88 | 162 | 187 | 177 | 196 | 188 | 181 | 184 | 139 | 142 | 161 | 128 | 128 | 128 | 106 |
Swell 3 Height (m) Direction Period (s) | ENE 11 | SSE 9 | SSE 8 | SSE 8 | SSE 8 | NE 10 | NE 10 | NE 10 | NE 10 | NE 9 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | WSW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | SW 8 | WSW 8 | WSW 8 |
| kJ | 82 | 68 | 64 | 51 | 46 | 85 | 84 | 80 | 115 | 81 | 86 | 86 | 84 | 84 | 82 | 78 | 62 | 60 | 86 | 71 | 59 | 59 | 37 | 37 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | SE 3 | SSW 5 | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 32 | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 227 | 242 | 237 | 237 | 227 | 227 | 237 | 227 | 0 | 0 | 0 | 227 | 227 | 227 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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