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Surf Forecasts:
Tank Beach surfForecast / Saipan / Northern Mariana Islands
48hr Weather and Surf, issued 3 am Tuesday 31 Mar 2026 ChSTForecast update in hr min s Forecast update imminent
Tank Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tank Beach sea temperature is
27.7° C
(Which is normal for this time of year)How big are the waves at Tank Beach today?
The current surf forecast for Tank Beach at 7AM is: 2.0m 8s primary swell from a Northeast direction and 0.8m 10s secondary swell from a North-northeast direction, 0.1m 14s secondary swell from a Southeast direction (forecast issued at 03:00am March 31). The wind direction is predicted to be onshore.
| Time (ChST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Mar) | 6.5ft (2.0m) | 8s |
| Afternoon (31 Mar) | 6.5ft (2.0m) | 8s |
| Evening (31 Mar) | 6.5ft (2.0m) | 8s |
Table - waves today at Tank Beach. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| 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 | 7 PM | 10 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    | |||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 235 | 382 | 453 | 504 | 572 | 527 | 553 | 553 | 567 | 511 | 511 | 626 | 639 | 684 | 636 | 636 | 636 | 593 | 549 | 519 | 519 | 519 | 508 | 365 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | on | on | cross- on | cross- on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 6:41AM 0.70 | 6:11PM 0.66 | 7:00AM 0.70 | 7:16PM 0.66 | 7:18AM 0.69 | 8:18PM 0.67 | ||||||||||||||||||
Low Tide / height (m) | 11:54PM 0.24 | 12:41PM 0.42 | 12:37AM 0.31 | 1:17PM 0.35 | 1:18AM 0.37 | 1:52PM 0.29 | ||||||||||||||||||
Tuesday 31 | Wednesday 01 | Thursday 02 | ||||||||||||||||||||||
| Sunrise | - | - | 6:13 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - |
| Sunset | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:29 | - | - | - | - | - | - | - | 6:29 | - | - |
 | |  | | | | | | | | | |  | |  | | | |  | | | | | | |
Rain (mm) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 26 |
| Feels °C (?) | 25 | 25 | 25 | 27 | 27 | 28 | 26 | 26 | 26 | 25 | 25 | 25 | 27 | 27 | 27 | 26 | 25 | 26 | 26 | 28 | 27 | 28 | 28 | 27 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Tank Beach surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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