Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 3 pm Thursday 23 Apr 2026 ChST
Forecast 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 8PM is: 1.2m 11s primary swell from a North-northeast direction and 0.5m 16s secondary swell from a North-northeast direction, 1.1m 6s secondary swell from a East direction (forecast issued at 03:00pm April 23). The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (23 Apr)--
Afternoon (23 Apr)4ft (1.2m)11s
Evening (23 Apr)2.5ft (0.7m)16s

Table - waves today at Tank Beach. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Mostly dry. Warm (max 27°C on Thu afternoon, min 26°C on Thu night). Mainly fresh winds.

Thu
23
Friday
24
Saturday
25
Sun
26
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
1 AM
4 AM
7 AM
10 AM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.3
NNE
11
1.1
NNE
11
1.3
NNE
11
0.7
NNE
16
0.8
NNE
16
0.9
NNE
16
1
NNE
16
1.1
NNE
15
1.1
NNE
15
1.1
NNE
15
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1
NNE
14
1
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.8
NNE
13
1.4
ENE
7
Wave Graph
Metric surfscale
Energy kJ
359
281
403
226
284
353
457
519
498
485
478
472
465
465
452
362
342
307
246
242
242
238
186
169
Wind (km/h)
25
ENE
25
E
25
E
25
ENE
25
E
30
ENE
30
ENE
25
E
20
E
20
ENE
15
ENE
20
E
20
E
25
ENE
25
E
25
E
25
E
25
ENE
25
ENE
25
NE
25
NE
30
NE
30
ENE
30
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
High Tide
3:10AM0.74m
11:17AM0.64m
3:51AM0.73m
12:54PM0.61m
4:22AM0.73m
Low Tide
6:40PM0.07m
8:31AM0.62m
7:41PM0.13m
9:37AM0.57m
8:40PM0.19m
clear
clear
clear
clear
clear
clear
cloud
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:31
6:31
6:32
6:32
Temp °C
27
27
27
26
26
26
26
26
27
27
27
26
26
26
26
26
27
27
27
26
26
26
26
26
27
27
28
26
25
25
25
25
27
28
29
27
26
26
26
25
26
26
27
25
24
24
24
24
Swell 1
Height (m)
Direction
Period (s)
1.3
NNE
11
1.1
NNE
11
1.3
NNE
11
1
NNE
10
0.9
NNE
10
1.1
NE
11
1
NE
10
1.1
NNE
15
1.1
NNE
15
1.1
NNE
15
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1
NNE
14
1
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.8
NNE
13
0.8
NNE
12
Energy kJ
359
281
403
200
168
268
204
519
498
485
478
472
465
465
452
362
342
307
246
242
242
238
186
169
Swell 2
Height (m)
Direction
Period (s)
0.6
NE
13
0.6
NE
12
0.5
NNE
16
0.7
NE
11
0.8
NNE
16
0.9
NNE
16
1
NNE
16
1
NE
10
1
NE
10
1
NE
10
0.9
NE
10
0.9
NE
10
0.9
NE
9
0.9
NE
9
0.8
NE
9
0.7
NE
9
0.7
NE
9
0.6
NE
8
0.6
NE
8
0.2
NNW
8
0.2
NNW
8
0.2
NNW
8
0.2
NNW
7
0.4
NE
10
Energy kJ
103
124
149
123
284
353
457
212
192
200
157
150
135
135
97
83
73
43
44
6
6
6
5
23
Swell 3
Height (m)
Direction
Period (s)
0.3
NNE
17
0.5
NNE
15
0.1
SE
11
0.7
NNE
16
0.7
NE
11
0.1
SE
11
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
NW
8
0.2
NNW
8
0.2
NNW
8
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.2
NNE
16
0.2
NNE
16
Energy kJ
59
130
5
226
123
5
7
7
7
7
6
6
6
6
6
6
3
7
6
6
6
5
26
26
Wind waves
Height (m)
Direction
Period (s)
1.1
E
6
1.1
E
6
1.1
E
6
1.1
E
6
1.2
E
6
1.2
E
6
1.3
E
6
1.2
E
6
1.2
E
6
1.1
E
6
1.1
E
6
0.9
E
6
0.9
E
6
0.9
E
7
1
E
7
1.1
E
7
1.2
E
6
1.2
E
6
1.2
E
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.4
ENE
7
1.4
ENE
7
Energy kJ
72
78
83
88
102
102
124
106
109
91
94
64
64
70
85
107
116
123
126
176
176
153
171
166
Nearest Offshore or Glassy
Rating
(10 max)
2
2
1
2
2
2
2
2
2
2
2
2
2
2
1
1
2
2
2
2
1
1
1
2
Distance (km)
1504
1575
2059
1575
1504
1504
1504
1504
1504
1504
1504
1504
1575
1575
1504
1504
1504
1504
1504
1504
1504
1504
1504
1575
Best forecast wave conditions in Saipan
Rating
(10 max)
Best forecast wave conditions in Northern Mariana Islands
Rating
(10 max)
Header Global
Rating
(10 max)
6
6
5
5
5
5
5
5
5
5
6
5
5
5
4
5
5
4
4
5
4
4
5
4
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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