Surf Forecasts:
How big are the waves at Tank Beach today (21 Jun):
- Morning surf: Morning surf (21 Jun, local time) - 3ft (0.9m), 8s period with E swell.
- Afternoon surf: Afternoon surf (21 Jun, local time) - 3ft (0.9m), 8s period with E swell.
- Evening surf: Evening surf (21 Jun, local time) - 2.5ft (0.8m), 8s period with E swell.
The current surf forecast for Tank Beach at 3AM is: 0.9m 8s primary swell from a East direction and 0.5m 11s secondary swell from a Southeast direction (forecast issued at 09:00pm June 20). The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Jun) | 3ft (0.9m) | 8s |
| Afternoon (21 Jun) | 3ft (0.9m) | 8s |
| Evening (21 Jun) | 2.5ft (0.8m) | 8s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Warm (max 29°C on Sun morning, min 28°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 114 | 111 | 111 | 90 | 93 | 90 | 93 | 74 | 74 | 74 | 74 | 74 | 76 | 78 | 78 | 80 | 61 | 61 | 67 | 63 | 63 | 63 | 61 | 71 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross-off | cross | cross | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross | cross | cross | cross-off | cross-off | cross | cross | cross | glassy |
High Tide | 1:13AM0.76m | 11:43AM0.57m | 1:39AM0.75m | 1:34PM0.53m | 2:02AM0.74m | 3:36PM0.53m | ||||||||||||||||||
Low Tide | 5:39PM0.18m | 7:39AM0.49m | 6:21PM0.28m | 8:37AM0.41m | 7:02PM0.39m | 9:26AM0.33m | ||||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — | — | 5:47 | — | — | — | — |
 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 | — | — | — | — | — | — | — | 6:49 |
mm | 2 | — | — | 2 | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 |
Feels °C | 30 | 30 | 30 | 31 | 31 | 30 | 32 | 32 | 31 | 32 | 31 | 32 | 31 | 31 | 30 | 31 | 31 | 31 | 30 | 31 | 32 | 32 | 32 | 34 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | SW 7 | SW 8 |
| kJ | 114 | 111 | 111 | 90 | 93 | 90 | 93 | 74 | 74 | 74 | 74 | 74 | 76 | 78 | 78 | 80 | 61 | 61 | 67 | 63 | 63 | 63 | 41 | 84 |
Swell 2 Height (m) Direction Period (s) | N 9 | N 9 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SE 11 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SSW 7 | SW 7 | E 8 | E 8 |
| kJ | 43 | 44 | 58 | 58 | 75 | 75 | 72 | 53 | 53 | 56 | 57 | 57 | 41 | 40 | 40 | 40 | 29 | 29 | 34 | 44 | 43 | 38 | 61 | 61 |
Swell 3 Height (m) Direction Period (s) | SE 10 | SE 10 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | NNE 8 | SW 7 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | SE 10 | NNE 11 |
| kJ | 54 | 39 | 29 | 28 | 27 | 27 | 26 | 26 | 25 | 24 | 23 | 14 | 14 | 14 | 14 | 14 | 38 | 37 | 36 | 36 | 35 | 35 | 35 | 71 |
Wind waves Height (m) Direction Period (s) | — | SSW 5 | — | — | — | E 8 | E 8 | — | S 6 | SSE 6 | — | — | — | — | — | — | — | — | SE 3 | — | — | — | — | — |
| kJ | — | 5 | — | — | — | 43 | 48 | — | 22 | 13 | — | — | — | — | — | — | — | — | 2 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 229 | 229 | 229 | 229 | 229 | 229 | 229 | 227 | 227 | 227 | 0 | 0 | 229 | 229 | 2211 | 229 | 237 | 237 | 0 | 0 | 237 | 237 | 237 | 0 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||||
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