Sea weather in Guam (Marianas) in Micronesia All the beach weather in Guam (Marianas)

All the essential weather information for enjoying the beach in Guam (Marianas) in Micronesia, for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Guam (Marianas) over the next 7 days?

Discover the best moment to go to the beach in Guam (Marianas) in Micronesia this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Guam (Marianas). You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Monday 17 March 202577°F to 83°Fdiscouraged
Tuesday 18 March 202576°F to 83°Fdiscouraged
Wednesday 19 March 202581°F to 83°Fdiscouraged
Thursday 20 March 202579°F to 83°Fdiscouraged
Friday 21 March 202579°F to 83°Fdiscouraged
Saturday 22 March 202577°F to 83°Fdiscouraged
Sunday 23 March 202577°F to 83°Frecommended

Sea Weather: Your daily and hourly sea weather in Guam (Marianas)

Sea weather on Monday 17 March 2025

On Monday 17 March 2025, the sun will rise at 06:28 and will set at 18:32 on the beach(es) of Guam (Marianas). The outside temperature will be a high of 83°F t and a low of 77°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.9mph km/h (with gusts up to 20.5mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (80°F)27°C (80°F)28°C (82°F)25°C (76°F)28°C (82°F)27°C (81°F)27°C (81°F)
Perceived temperature31°C (87°F)30°C (87°F)30°C (86°F)31°C (88°F)26°C (80°F)32°C (89°F)31°C (88°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%84%82%79%75%76%79%77%
Barometric pressure1011 hPa1009 hPa1010 hPa1011 hPa1010 hPa1008 hPa1010 hPa1012 hPa
Cloud cover78%85%78%86%84%78%52%24%
Heat index31°C (87°F)30°C (87°F)30°C (86°F)31°C (88°F)26°C (80°F)32°C (89°F)31°C (88°F)30°C (86°F)
Dew point24°C (75°F)24°C (75°F)24°C (74°F)24°C (75°F)20°C (68°F)23°C (74°F)23°C (74°F)23°C (73°F)
Wind
Speed22km/h (13mph)19km/h (12mph)19km/h (12mph)21km/h (13mph)18km/h (11mph)19km/h (12mph)24km/h (15mph)22km/h (13mph)
Gusts30km/h (19mph)27km/h (17mph)28km/h (17mph)28km/h (17mph)20km/h (12mph)28km/h (18mph)33km/h (21mph)31km/h (19mph)
Direction 96°
E
98°
E
100°
E
96°
E
94°
E
104°
ESE
102°
ESE
103°
ESE
Wind chill27°C (81°F)27°C (80°F)27°C (80°F)28°C (82°F)25°C (76°F)28°C (82°F)27°C (81°F)27°C (81°F)
Waves
Height0.9m (3.1ft)0.9m (2.9ft)0.9m (2.8ft)0.9m (2.9ft)0.8m (2.7ft)0.8m (2.7ft)0.9m (3.0ft)0.9m (2.9ft)
Direction 59°
ENE
59°
ENE
60°
ENE
60°
ENE
60°
ENE
59°
ENE
59°
ENE
58°
ENE
Period11.9 sec.9.5 sec.9.4 sec.11.7 sec.9.4 sec.9.4 sec.9.4 sec.9.4 sec.
Significant height0.8m (2.6ft)0.6m (2ft)1.0m (3.3ft)0.8m (2.6ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)0.9m (3ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Tuesday 18 March 2025

On Tuesday 18 March 2025, the sun will rise at 06:27 and will set at 18:32 on the beach(es) of Guam (Marianas). The outside temperature will be a high of 83°F t and a low of 76°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 13.1mph km/h (with gusts up to 19.3mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)26°C (79°F)27°C (81°F)24°C (76°F)26°C (78°F)27°C (80°F)27°C (81°F)
Perceived temperature30°C (85°F)29°C (85°F)29°C (84°F)30°C (86°F)26°C (79°F)28°C (82°F)30°C (85°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%78%79%73%70%72%77%80%
Barometric pressure1012 hPa1010 hPa1011 hPa1013 hPa1011 hPa1010 hPa1010 hPa1013 hPa
Cloud cover22%30%41%33%0%82%82%78%
Heat index30°C (85°F)29°C (85°F)29°C (84°F)30°C (86°F)26°C (79°F)28°C (82°F)30°C (85°F)31°C (87°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)19°C (66°F)20°C (69°F)22°C (72°F)23°C (74°F)
Wind
Speed19km/h (12mph)16km/h (10mph)18km/h (11mph)19km/h (12mph)15km/h (9mph)14km/h (9mph)17km/h (11mph)21km/h (13mph)
Gusts28km/h (17mph)23km/h (14mph)26km/h (16mph)26km/h (16mph)31km/h (19mph)27km/h (17mph)28km/h (17mph)30km/h (18mph)
Direction 107°
ESE
97°
E
93°
E
96°
E
98°
E
79°
E
85°
E
100°
E
Wind chill27°C (80°F)27°C (80°F)26°C (79°F)27°C (81°F)24°C (76°F)26°C (78°F)27°C (80°F)27°C (81°F)
Waves
Height0.8m (2.7ft)0.8m (2.6ft)0.8m (2.6ft)0.8m (2.6ft)0.7m (2.5ft)0.7m (2.4ft)0.7m (2.3ft)0.8m (2.5ft)
Direction 58°
ENE
56°
NE
54°
NE
54°
NE
53°
NE
54°
NE
55°
NE
50°
NE
Period9.4 sec.9.3 sec.9.3 sec.9.3 sec.9.2 sec.9.2 sec.9.3 sec.9.2 sec.
Significant height0.6m (2ft)0.8m (2.6ft)0.8m (2.6ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Wednesday 19 March 2025

On Wednesday 19 March 2025, the sun will rise at 06:26 and will set at 18:32 on the beach(es) of Guam (Marianas). The outside temperature will be a high of 83°F t and a low of 81°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.9mph km/h (with gusts up to 25.5mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (81°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (80°F)
Perceived temperature30°C (86°F)30°C (86°F)30°C (86°F)31°C (87°F)30°C (86°F)31°C (88°F)31°C (87°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%81%80%77%77%77%79%
Barometric pressure1013 hPa1012 hPa1012 hPa1014 hPa1013 hPa1011 hPa1012 hPa1014 hPa
Cloud cover25%27%70%63%86%88%21%27%
Heat index30°C (86°F)30°C (86°F)30°C (86°F)31°C (87°F)30°C (86°F)31°C (88°F)31°C (87°F)30°C (86°F)
Dew point23°C (73°F)23°C (73°F)23°C (74°F)24°C (74°F)23°C (73°F)23°C (74°F)23°C (74°F)23°C (73°F)
Wind
Speed24km/h (15mph)24km/h (15mph)19km/h (12mph)22km/h (14mph)19km/h (12mph)24km/h (15mph)23km/h (14mph)22km/h (14mph)
Gusts34km/h (21mph)33km/h (20mph)26km/h (16mph)30km/h (19mph)30km/h (19mph)41km/h (25mph)33km/h (21mph)33km/h (20mph)
Direction 104°
ESE
103°
ESE
102°
ESE
103°
ESE
94°
E
87°
E
83°
E
86°
E
Wind chill27°C (81°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (80°F)
Waves
Height0.8m (2.6ft)0.8m (2.7ft)0.8m (2.7ft)0.8m (2.7ft)0.9m (3.1ft)1.1m (3.6ft)1.2m (4.1ft)1.4m (4.5ft)
Direction 48°
NE
48°
NE
50°
NE
52°
NE
333°
NNW
331°
NNW
329°
NNW
328°
NNW
Period5.8 sec.9.1 sec.9.7 sec.9.2 sec.9.1 sec.12.2 sec.11.7 sec.11.3 sec.
Significant height0.7m (2.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)1.3m (4.3ft)1.5m (4.9ft)0.6m (2ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Thursday 20 March 2025

On Thursday 20 March 2025, the sun will rise at 06:26 and will set at 18:32 on the beach(es) of Guam (Marianas). The outside temperature will be a high of 83°F t and a low of 79°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 18mph km/h (with gusts up to 28mph). Wave height will be up to 4.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)26°C (79°F)27°C (80°F)27°C (81°F)
Perceived temperature30°C (86°F)30°C (85°F)29°C (85°F)31°C (87°F)30°C (87°F)28°C (82°F)29°C (84°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%83%78%78%76%73%76%75%
Barometric pressure1014 hPa1012 hPa1013 hPa1014 hPa1013 hPa1011 hPa1011 hPa1013 hPa
Cloud cover47%65%10%51%75%75%4%12%
Heat index30°C (86°F)30°C (85°F)29°C (85°F)31°C (87°F)30°C (87°F)28°C (82°F)29°C (84°F)30°C (86°F)
Dew point23°C (74°F)23°C (74°F)22°C (72°F)23°C (74°F)23°C (73°F)21°C (69°F)22°C (71°F)22°C (72°F)
Wind
Speed19km/h (12mph)19km/h (12mph)22km/h (13mph)21km/h (13mph)26km/h (16mph)29km/h (18mph)27km/h (17mph)24km/h (15mph)
Gusts28km/h (17mph)27km/h (17mph)31km/h (19mph)28km/h (17mph)41km/h (26mph)34km/h (21mph)45km/h (28mph)34km/h (21mph)
Direction 77°
ENE
66°
ENE
77°
ENE
80°
E
80°
E
76°
ENE
86°
E
93°
E
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)27°C (81°F)26°C (79°F)27°C (80°F)27°C (81°F)
Waves
Height1.4m (4.7ft)1.4m (4.6ft)1.4m (4.6ft)1.4m (4.5ft)1.3m (4.2ft)1.2m (4.1ft)1.2m (3.9ft)1.2m (3.9ft)
Direction 328°
NNW
329°
NNW
330°
NNW
332°
NNW
334°
NNW
336°
NNW
338°
NNW
342°
NNW
Period10.9 sec.10.6 sec.10.4 sec.10.2 sec.10.1 sec.9.8 sec.9.7 sec.9.5 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.7m (2.3ft)0.6m (2ft)0.6m (2ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Friday 21 March 2025

On Friday 21 March 2025, the sun will rise at 06:25 and will set at 18:32 on the beach(es) of Guam (Marianas). The outside temperature will be a high of 83°F t and a low of 79°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 15.5mph km/h (with gusts up to 25.5mph). Wave height will be up to 6.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)26°C (80°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (82°F)26°C (80°F)27°C (81°F)
Perceived temperature30°C (86°F)29°C (84°F)29°C (84°F)30°C (86°F)30°C (86°F)31°C (87°F)29°C (83°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%75%83%74%73%77%72%72%
Barometric pressure1013 hPa1012 hPa1012 hPa1014 hPa1012 hPa1011 hPa1011 hPa1013 hPa
Cloud cover71%7%89%22%23%80%5%14%
Heat index30°C (86°F)29°C (84°F)29°C (84°F)30°C (86°F)30°C (86°F)31°C (87°F)29°C (83°F)29°C (85°F)
Dew point23°C (73°F)22°C (71°F)23°C (73°F)22°C (72°F)22°C (72°F)23°C (74°F)21°C (70°F)21°C (71°F)
Wind
Speed22km/h (14mph)18km/h (11mph)18km/h (11mph)24km/h (15mph)22km/h (14mph)23km/h (15mph)25km/h (15mph)23km/h (14mph)
Gusts32km/h (20mph)26km/h (16mph)27km/h (17mph)34km/h (21mph)34km/h (21mph)34km/h (21mph)41km/h (25mph)33km/h (20mph)
Direction 95°
E
93°
E
77°
ENE
100°
E
94°
E
96°
E
93°
E
96°
E
Wind chill27°C (80°F)26°C (80°F)26°C (79°F)27°C (81°F)27°C (81°F)28°C (82°F)26°C (80°F)27°C (81°F)
Waves
Height1.2m (4.0ft)1.2m (4.1ft)1.2m (3.9ft)1.2m (4.1ft)1.9m (6.2ft)1.9m (6.1ft)1.8m (5.9ft)1.8m (5.8ft)
Direction 345°
NNW
348°
NNW
349°
NNW
346°
NNW
55°
NE
19°
NNE

N

N
Period9.2 sec.9.0 sec.8.9 sec.8.6 sec.8.6 sec.8.2 sec.9.1 sec.9.4 sec.
Significant height1.5m (4.9ft)1.2m (3.9ft)1.1m (3.6ft)1.2m (3.9ft)1.3m (4.3ft)1.3m (4.3ft)1.1m (3.6ft)1.0m (3.3ft)
Sea water temperature
Water temperature26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)26°C (79°F)

Sea weather on Saturday 22 March 2025

On Saturday 22 March 2025, the sun will rise at 06:24 and will set at 18:32 on the beach(es) of Guam (Marianas). The outside temperature will be a high of 83°F t and a low of 77°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.3mph km/h (with gusts up to 20.5mph). Wave height will be up to 5.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)
Perceived temperature30°C (85°F)30°C (85°F)30°C (85°F)31°C (87°F)28°C (83°F)28°C (82°F)29°C (84°F)30°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%77%77%74%70%69%73%76%
Barometric pressure1012 hPa1011 hPa1012 hPa1013 hPa1012 hPa1010 hPa1011 hPa1012 hPa
Cloud cover43%34%37%18%2%0%3%28%
Heat index30°C (85°F)30°C (85°F)30°C (85°F)31°C (87°F)28°C (83°F)28°C (82°F)29°C (84°F)30°C (85°F)
Dew point23°C (73°F)23°C (73°F)22°C (72°F)22°C (72°F)20°C (68°F)20°C (68°F)21°C (71°F)22°C (72°F)
Wind
Speed21km/h (13mph)23km/h (14mph)21km/h (13mph)22km/h (13mph)22km/h (14mph)22km/h (13mph)21km/h (13mph)17km/h (11mph)
Gusts30km/h (18mph)33km/h (20mph)30km/h (18mph)30km/h (18mph)29km/h (18mph)27km/h (17mph)30km/h (19mph)26km/h (16mph)
Direction 91°
E
104°
ESE
103°
ESE
102°
ESE
109°
ESE
110°
ESE
107°
ESE
100°
E
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)
Waves
Height1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.6m (5.2ft)
Direction
N

N
10°
N
14°
NNE
20°
NNE
25°
NNE
30°
NNE
34°
NNE
Period9.5 sec.9.6 sec.9.6 sec.9.5 sec.9.5 sec.9.5 sec.9.5 sec.9.5 sec.
Significant height0.9m (3ft)0.9m (3ft)0.9m (3ft)0.7m (2.3ft)0.8m (2.6ft)0.6m (2ft)0.5m (1.6ft)1.1m (3.6ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather on Sunday 23 March 2025

On Sunday 23 March 2025, the sun will rise at 06:23 and will set at 18:32 on the beach(es) of Guam (Marianas). The outside temperature will be a high of 83°F t and a low of 77°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 9.9mph km/h (with gusts up to 18.6mph). Wave height will be up to 5.2ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (84°F)29°C (84°F)30°C (86°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity77%78%78%75%70%67%72%78%
Barometric pressure1012 hPa1011 hPa1012 hPa1012 hPa1011 hPa1010 hPa1010 hPa1012 hPa
Cloud cover38%30%27%26%8%0%0%9%
Heat index29°C (85°F)29°C (84°F)29°C (84°F)30°C (86°F)28°C (82°F)28°C (82°F)29°C (84°F)29°C (85°F)
Dew point22°C (72°F)22°C (72°F)22°C (72°F)22°C (72°F)20°C (68°F)20°C (67°F)21°C (71°F)22°C (72°F)
Wind
Speed12km/h (8mph)10km/h (6mph)9km/h (6mph)13km/h (8mph)15km/h (10mph)15km/h (10mph)16km/h (10mph)15km/h (9mph)
Gusts18km/h (11mph)14km/h (9mph)14km/h (9mph)17km/h (11mph)29km/h (18mph)30km/h (19mph)26km/h (16mph)23km/h (14mph)
Direction 95°
E
94°
E
91°
E
91°
E
97°
E
94°
E
88°
E
81°
E
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (79°F)26°C (79°F)27°C (80°F)27°C (80°F)
Waves
Height1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)
Direction 22°
NNE
15°
NNE
13°
NNE
17°
NNE
19°
NNE
19°
NNE
19°
NNE
21°
NNE
Period9.5 sec.9.5 sec.11.2 sec.11.9 sec.10.1 sec.9.3 sec.9.3 sec.10.9 sec.
Significant height1.4m (4.6ft)1.5m (4.9ft)1.2m (3.9ft)1.0m (3.3ft)1.0m (3.3ft)0.9m (3ft)1.1m (3.6ft)1.4m (4.6ft)
Sea water temperature
Water temperature28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)28°C (82°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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