Surf Forecasts:
How big are the waves at Tank Beach today (07 Aug):
- Morning surf: Morning surf (07 Aug, local time) - 6ft (1.8m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (07 Aug, local time) - 4.5ft (1.4m), 12s period with NW swell.
- Evening surf: Evening surf (07 Aug, local time) - 3.5ft (1.1m), 12s period with NW swell.
The current surf forecast for Tank Beach at 5AM is: 1.9m 13s primary swell from a Northwest direction and 0.9m 10s secondary swell from a East-northeast direction (forecast issued at 09:00pm August 06). An open ocean swell of 1.8m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (07 Aug) | 6ft (1.8m) | 13s |
| Afternoon (07 Aug) | 4.5ft (1.4m) | 12s |
| Evening (07 Aug) | 3.5ft (1.1m) | 12s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 31mm), heaviest during Fri morning. Warm (max 29°C on Thu night, min 28°C on Fri morning). Winds increasing (moderate winds from the W on Thu night, strong winds from the WSW by Sun afternoon). | ||||||||||||||||||
Thu 6 | Friday 7 | Saturday 8 | ||||||||||||||||
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) | NW 12 | NW 12 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | ENE 14 | ENE 13 | ENE 12 |
Wave Graph  | ||||||||||||||||||
 kJ | 880 | 1112 | 1374 | 1210 | 1103 | 882 | 761 | 457 | 349 | 245 | 293 | 278 | 198 | 268 | 268 | 569 | 545 | 513 |
Wind (km/h) | ||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | 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 | off |
High Tide | 00:21AM0.73m | 5:00PM0.63m | 1:01AM0.74m | 6:14PM0.67m | ||||||||||||||
Low Tide | 6:22PM0.55m | 8:32AM0.16m | 7:35PM0.61m | 9:29AM0.09m | 9:06PM0.65m | |||||||||||||
 |  | | |  | | | | | | | | | | |  | | | |
 | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — |
 | — | — | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:44 | — | — |
mm | — | 1 | 2 | 1 | 1 | 6 | 3 | 3 | 1 | 2 | 1 | — | 1 | 3 | 1 | — | 1 | — |
Temp °C | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 29 | 29 | 29 | 29 |
Feels °C | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 27 | 27 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 13 | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | ENE 14 | ENE 13 | ENE 12 |
| kJ | 880 | 1112 | 1374 | 1210 | 1103 | 882 | 761 | 457 | 349 | 245 | 293 | 278 | 198 | 268 | 268 | 569 | 545 | 513 |
Swell 2 Height (m) Direction Period (s) | W 8 | W 8 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | ENE 10 | NW 12 | NW 12 | NW 12 |
| kJ | 356 | 364 | 151 | 151 | 154 | 190 | 194 | 212 | 212 | 194 | 198 | 202 | 170 | 166 | 166 | 314 | 309 | 224 |
Swell 3 Height (m) Direction Period (s) | ENE 10 | ENE 10 | WNW 10 | SSE 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SE 9 | SE 9 | ENE 15 | ENE 14 | ENE 14 | NE 14 | ENE 14 | SE 10 | SE 10 | SE 10 |
| kJ | 157 | 154 | 31 | 32 | 32 | 32 | 32 | 21 | 21 | 21 | 84 | 118 | 175 | 200 | 250 | 25 | 25 | 24 |
Wind waves Height (m) Direction Period (s) | — | — | W 8 | W 10 | W 10 | W 9 | W 9 | W 9 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 | W 10 |
| kJ | — | — | 324 | 587 | 668 | 702 | 770 | 1015 | 1319 | 1345 | 1273 | 1273 | 1273 | 1249 | 1347 | 1249 | 1275 | 1201 |
Nearest Offshore or Glassy | ||||||||||||||||||
Distance (km) | 237 | 242 | 242 | 2056 | 2056 | 2056 | 2059 | 2059 | 2059 | 2056 | 2056 | 2056 | 2056 | 2056 | 2175 | 2061 | 2061 | 2056 |
Best forecast wave conditions in Saipan | ||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||
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