Surf Forecasts:
How big are the waves at Tank Beach today (15 Sep):
- Morning surf: Morning surf (15 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (15 Sep, local time) - 5ft (1.6m), 8s period with ENE swell.
- Evening surf: Evening surf (15 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
The current surf forecast for Tank Beach at 6PM is: 1.7m 8s primary swell from a East-northeast direction and 0.8m 14s secondary swell from a East-northeast direction (forecast issued at 09:00am September 15). The wind direction is predicted to be cross-onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (15 Sep) | 5.5ft (1.7m) | 8s |
| Afternoon (15 Sep) | 5ft (1.6m) | 8s |
| Evening (15 Sep) | 5.5ft (1.7m) | 8s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 28mm), heaviest during Tue night. Warm (max 29°C on Tue morning, min 28°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | ||||||||||||||||||||
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) | ENE 9 | NE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 10 | ENE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 10 | NE 11 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 402 | 354 | 360 | 360 | 354 | 392 | 429 | 537 | 612 | 680 | 804 | 741 | 612 | 550 | 503 | 461 | 471 | 393 | 359 | 410 | 391 | 690 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 11:05AM0.64m | 9:23PM0.68m | 12:24PM0.63m | 9:44PM0.66m | 1:52PM0.62m | |||||||||||||||||
Low Tide | 4:07AM0.24m | 4:03PM0.51m | 4:53AM0.21m | 4:46PM0.56m | 5:41AM0.20m | 5:37PM0.59m | ||||||||||||||||
 | | | |  |  | | | | | |  |  | | |  | |  | | | | | |
 | 6:05 | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — | — | 6:05 | — | — | — | — | — | — |
 | — | — | — | 6:19 | — | — | — | — | — | — | — | 6:17 | — | — | — | — | — | — | — | 6:16 | — | — |
mm | 1 | 1 | 1 | 2 | 4 | 7 | 5 | 3 | 2 | 1 | 1 | — | — | — | 1 | — | — | — | — | — | — | — |
Temp °C | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 |
Feels °C | 31 | 32 | 32 | 32 | 32 | 32 | 31 | 33 | 32 | 33 | 34 | 33 | 32 | 32 | 30 | 30 | 31 | 31 | 30 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | NE 8 | ENE 8 | ENE 8 | NE 8 | ENE 8 | NE 9 | NE 9 | NE 9 | ENE 9 | ENE 10 | ENE 10 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 10 | NE 11 |
| kJ | 402 | 354 | 360 | 360 | 354 | 392 | 429 | 537 | 612 | 680 | 804 | 741 | 612 | 550 | 503 | 461 | 471 | 393 | 359 | 410 | 391 | 690 |
Swell 2 Height (m) Direction Period (s) | ENE 13 | ENE 13 | ENE 14 | ENE 13 | ENE 14 | ENE 14 | ENE 14 | ENE 14 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | SW 8 | ENE 12 | ENE 12 | WSW 8 | WSW 8 | WSW 8 |
| kJ | 141 | 229 | 261 | 131 | 297 | 297 | 293 | 220 | 204 | 158 | 222 | 154 | 154 | 147 | 106 | 101 | 43 | 98 | 121 | 46 | 45 | 46 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | SSE 9 | SSE 9 | SSE 8 | S 8 | S 8 | S 8 | S 8 | SW 8 | SW 8 | SW 8 | SW 8 | ENE 12 | SW 8 | WSW 8 | S 8 | S 8 | S 8 |
| kJ | 36 | 36 | 38 | 53 | 54 | 79 | 79 | 75 | 51 | 50 | 34 | 32 | 30 | 42 | 43 | 43 | 60 | 55 | 46 | 28 | 29 | 29 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 3 | W 3 | W 4 | WSW 4 |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 5 | 9 | 4 |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 237 | 237 | 237 | 237 | 237 | 237 | 237 | 237 | 242 | 242 | 0 | 0 | 0 | 0 | 237 | 237 | 237 | 237 | 237 | 237 | 237 | 237 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||
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