Surf Forecasts:
How big are the waves at Tank Beach today (18 Jul):
- Morning surf: Morning surf (18 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
- Afternoon surf: Afternoon surf (18 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
- Evening surf: Evening surf (18 Jul, local time) - 1.5ft (0.5m), 9s period with E swell.
The current surf forecast for Tank Beach at 1PM is: 0.5m 9s primary swell from a East direction and 0.4m 6s secondary swell from a Northwest direction (forecast issued at 09:00am July 18). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be offshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Jul) | 1.5ft (0.5m) | 9s |
| Afternoon (18 Jul) | 1.5ft (0.5m) | 9s |
| Evening (18 Jul) | 1.5ft (0.5m) | 9s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Sat night. Warm (max 28°C on Sat morning, min 27°C on Sat night). Wind will be generally light. | ||||||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 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) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 |
Wave Graph  | ||||||||||||||||||||||
 kJ | 42 | 42 | 42 | 42 | 42 | 41 | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 42 | 68 | 65 | 67 | 63 | 61 | 60 | 60 | 60 |
Wind (km/h) | ||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross |
High Tide | 9:12AM0.66m | 11:38PM0.74m | 10:29AM0.60m | 00:02AM0.74m | 12:01PM0.56m | |||||||||||||||||
Low Tide | 4:47AM0.54m | 4:23PM0.18m | 5:49AM0.47m | 5:02PM0.29m | 6:49AM0.40m | 5:37PM0.39m | ||||||||||||||||
 |  |  | |  |  | | | | | | | | | | | | | | | | | |
 | 5:54 | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — | — | 5:54 | — | — | — | — | — | — |
 | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — | — | — | — | — | — | 6:50 | — | — |
mm | 1 | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 |
Feels °C | 29 | 30 | 30 | 30 | 31 | 31 | 30 | 29 | 29 | 31 | 31 | 31 | 31 | 31 | 29 | 30 | 30 | 30 | 31 | 31 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | WSW 7 | WSW 7 | WSW 7 | E 9 | WSW 7 | WSW 6 | WSW 6 | WSW 6 | WSW 6 | E 9 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | WSW 7 | WSW 7 |
| kJ | 42 | 42 | 42 | 42 | 59 | 59 | 57 | 41 | 38 | 36 | 35 | 23 | 23 | 42 | 68 | 65 | 67 | 63 | 61 | 60 | 33 | 35 |
Swell 2 Height (m) Direction Period (s) | NNW 6 | NNW 6 | NW 6 | NW 6 | E 9 | E 9 | E 9 | NW 6 | E 9 | E 9 | E 9 | E 9 | E 9 | WSW 6 | WSW 6 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | WSW 7 | E 9 | E 9 |
| kJ | 8 | 8 | 10 | 10 | 42 | 41 | 41 | 9 | 41 | 41 | 41 | 41 | 42 | 22 | 23 | 30 | 32 | 32 | 32 | 32 | 60 | 60 |
Swell 3 Height (m) Direction Period (s) | SSE 8 | SSE 8 | SSE 8 | SSE 8 | NW 6 | NW 6 | NW 6 | SE 8 | NW 6 | NW 6 | SE 9 | SE 9 | SE 8 | SE 8 | NW 8 | NW 8 | NW 8 | NW 8 | NW 7 | NW 7 | NW 7 | NW 7 |
| kJ | 6 | 6 | 6 | 6 | 9 | 9 | 9 | 2 | 5 | 5 | 12 | 12 | 11 | 11 | 16 | 15 | 15 | 14 | 19 | 19 | 18 | 17 |
Wind waves Height (m) Direction Period (s) | WSW 7 | WSW 7 | WSW 7 | WSW 7 | S 3 | S 7 | S 7 | WSW 7 | S 6 | S 7 | S 6 | — | — | — | — | — | — | — | SSE 7 | SSE 7 | — | — |
| kJ | 59 | 57 | 57 | 57 | 2 | 9 | 8 | 40 | 7 | 8 | 7 | — | — | — | — | — | — | — | 5 | 5 | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 229 | 0 | 0 | 0 | 0 | 229 |
Best forecast wave conditions in Saipan | ||||||||||||||||||||||
Best forecast wave conditions in Northern Mariana Islands | ||||||||||||||||||||||
Header Global | ||||||||||||||||||||||
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