Surf Forecasts:
How big are the waves at Tank Beach today (18 Oct):
- Morning surf: Morning surf (18 Oct, local time) - 16ft (5.0m), 12s period with SE swell.
- Afternoon surf: Afternoon surf (18 Oct, local time) - 13ft (4.0m), 11s period with SE swell.
- Evening surf: Evening surf (18 Oct, local time) - 5ft (1.6m), 9s period with ENE swell.
The current surf forecast for Tank Beach at 2PM is: 4.5m 11s primary swell from a Southeast direction and 0.3m 11s secondary swell from a North-northeast direction, 0.1m 9s secondary swell from a Northwest direction (forecast issued at 09:00am October 18). The wind direction is predicted to be cross-shore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Oct) | 16ft (5.0m) | 12s |
| Afternoon (18 Oct) | 13ft (4.0m) | 11s |
| Evening (18 Oct) | 5ft (1.6m) | 9s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 32mm), heaviest during Sun night. Warm (max 28°C on Mon afternoon, min 26°C on Sun night). Winds decreasing (near gales from the ESE on Sun morning, light winds from the SE by Mon night). | ||||||||||||||||||||||
Sunday 18 | Monday 19 | Tuesday 20 | ||||||||||||||||||||
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) | ESE 12 | SE 12 | SE 12 | SE 11 | ENE 9 | ENE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | NE 8 | ENE 8 | NE 8 | ENE 9 | NE 8 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 7711 | 7118 | 5092 | 3230 | 398 | 415 | 497 | 621 | 388 | 244 | 293 | 190 | 190 | 190 | 190 | 197 | 193 | 211 | 235 | 262 | 162 | 288 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-off | cross | cross | cross | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross-on | cross-on | cross-on |
High Tide | 3:24PM0.67m | 10:06PM0.60m | 4:02PM0.68m | 11:37PM0.58m | 4:28PM0.68m | |||||||||||||||||
Low Tide | 6:32AM0.18m | 8:51PM0.60m | 7:26AM0.20m | 9:41PM0.58m | 8:18AM0.23m | |||||||||||||||||
 | | | |  | | | | | | | | | | |  |  |  | | | |  | |
 | 6:07 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:53 | — | — | — | — | — | — | — | 5:53 | — | — |
mm | 1 | 2 | 1 | 1 | 2 | 1 | 1 | 4 | 3 | 2 | 3 | 3 | 2 | 3 | 1 | — | — | — | — | — | 1 | — |
Temp °C | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 |
Feels °C | 22 | 23 | 23 | 24 | 24 | 25 | 26 | 25 | 25 | 26 | 28 | 28 | 29 | 27 | 28 | 29 | 29 | 30 | 30 | 31 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | — | — | NNE 11 | NNE 11 | ENE 9 | S 10 | SSW 11 | SSW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 11 | SW 10 | SW 10 | SW 10 | ENE 8 | WSW 11 | SW 10 | NE 8 |
| kJ | — | — | 22 | 22 | 398 | 918 | 903 | 771 | 836 | 752 | 617 | 564 | 606 | 558 | 696 | 433 | 570 | 433 | 235 | 543 | 363 | 288 |
Swell 2 Height (m) Direction Period (s) | — | — | NW 9 | NW 9 | NNE 11 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | SSE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | NE 8 | SW 9 | NE 8 | ENE 9 | SW 10 |
| kJ | — | — | 3 | 3 | 23 | 415 | 318 | 286 | 262 | 194 | 186 | 202 | 190 | 190 | 190 | 197 | 193 | 211 | 269 | 262 | 162 | 275 |
Swell 3 Height (m) Direction Period (s) | — | — | — | NW 9 | NW 9 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | S 9 | NNE 10 | ENE 9 | SE 8 | S 8 | NNE 9 | WSW 12 | SSE 8 | W 12 | WSW 12 | SE 10 | NE 8 | W 11 |
| kJ | — | — | — | 3 | 3 | 22 | 22 | 20 | 20 | 106 | 19 | 190 | 58 | 47 | 8 | 193 | 19 | 139 | 228 | 58 | 138 | 125 |
Wind waves Height (m) Direction Period (s) | ESE 12 | SE 12 | SE 12 | SE 11 | SSE 11 | SE 8 | SE 9 | SE 9 | SE 9 | SE 8 | SE 9 | ESE 5 | SSE 8 | SE 8 | SE 8 | — | SE 10 | SE 7 | — | — | — | — |
| kJ | 7711 | 7118 | 5092 | 3230 | 1994 | 349 | 497 | 621 | 388 | 244 | 293 | 30 | 125 | 107 | 99 | — | 113 | 51 | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 1491 | 2056 | 2056 | 2213 | 2219 | 2095 | 2056 | 227 | 0 | 227 | 227 | 227 | 227 | 249 | 227 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
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