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
Saturday 15 March 202576°F to 83°Fdiscouraged
Sunday 16 March 202576°F to 83°Fdiscouraged
Monday 17 March 202576°F to 83°Fdiscouraged
Tuesday 18 March 202576°F to 83°Fdiscouraged
Wednesday 19 March 202576°F to 83°Fdiscouraged
Thursday 20 March 202577°F to 83°Fdiscouraged
Friday 21 March 202577°F to 83°Fdiscouraged

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

Sea weather on Saturday 15 March 2025

On Saturday 15 March 2025, the sun will rise at 06:29 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 18.6mph km/h (with gusts up to 26.1mph). 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)28°C (82°F)24°C (76°F)28°C (82°F)27°C (81°F)27°C (81°F)
Perceived temperature31°C (88°F)29°C (85°F)29°C (85°F)31°C (88°F)26°C (79°F)31°C (88°F)31°C (88°F)30°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity80%80%79%77%74%76%80%81%
Barometric pressure1013 hPa1012 hPa1012 hPa1013 hPa1012 hPa1010 hPa1010 hPa1012 hPa
Cloud cover77%55%22%86%72%71%87%24%
Heat index31°C (88°F)29°C (85°F)29°C (85°F)31°C (88°F)26°C (79°F)31°C (88°F)31°C (88°F)30°C (87°F)
Dew point24°C (74°F)23°C (73°F)23°C (73°F)23°C (74°F)19°C (67°F)23°C (73°F)24°C (74°F)23°C (74°F)
Wind
Speed27km/h (17mph)28km/h (17mph)30km/h (19mph)29km/h (18mph)28km/h (18mph)26km/h (16mph)27km/h (17mph)27km/h (17mph)
Gusts38km/h (24mph)39km/h (24mph)42km/h (26mph)39km/h (24mph)31km/h (20mph)37km/h (23mph)38km/h (24mph)38km/h (24mph)
Direction 96°
E
88°
E
87°
E
87°
E
91°
E
95°
E
90°
E
92°
E
Wind chill27°C (81°F)27°C (80°F)27°C (80°F)28°C (82°F)24°C (76°F)28°C (82°F)27°C (81°F)27°C (81°F)
Waves
Height1.4m (4.6ft)1.4m (4.5ft)1.4m (4.5ft)1.3m (4.4ft)1.3m (4.4ft)1.3m (4.2ft)1.2m (4.0ft)1.2m (4.1ft)
Direction 22°
NNE
22°
NNE
21°
NNE
21°
NNE
21°
NNE
22°
NNE
23°
NNE
24°
NNE
Period14.4 sec.14.2 sec.14.0 sec.13.7 sec.13.6 sec.13.6 sec.13.5 sec.9.1 sec.
Significant height1.5m (4.9ft)1.5m (4.9ft)1.5m (4.9ft)1.4m (4.6ft)1.4m (4.6ft)1.3m (4.3ft)1.2m (3.9ft)1.4m (4.6ft)
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 Sunday 16 March 2025

On Sunday 16 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 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 16.8mph km/h (with gusts up to 23mph). Wave height will be up to 3.9ft 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)24°C (76°F)26°C (79°F)27°C (81°F)27°C (81°F)
Perceived temperature30°C (86°F)30°C (86°F)30°C (86°F)31°C (88°F)26°C (79°F)28°C (82°F)31°C (88°F)31°C (87°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%82%80%77%74%73%79%83%
Barometric pressure1011 hPa1010 hPa1011 hPa1012 hPa1011 hPa1009 hPa1009 hPa1011 hPa
Cloud cover54%81%88%78%71%0%15%43%
Heat index30°C (86°F)30°C (86°F)30°C (86°F)31°C (88°F)26°C (79°F)28°C (82°F)31°C (88°F)31°C (87°F)
Dew point24°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)19°C (67°F)21°C (69°F)24°C (74°F)24°C (75°F)
Wind
Speed27km/h (17mph)26km/h (16mph)24km/h (15mph)25km/h (16mph)25km/h (16mph)24km/h (15mph)23km/h (14mph)23km/h (14mph)
Gusts37km/h (23mph)36km/h (23mph)34km/h (21mph)34km/h (21mph)26km/h (16mph)24km/h (15mph)33km/h (20mph)32km/h (20mph)
Direction 89°
E
86°
E
90°
E
95°
E
96°
E
90°
E
90°
E
88°
E
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)24°C (76°F)26°C (79°F)27°C (81°F)27°C (81°F)
Waves
Height1.2m (3.9ft)1.2m (3.9ft)1.1m (3.7ft)1.1m (3.7ft)1.1m (3.6ft)1.1m (3.6ft)1.1m (3.5ft)1.0m (3.4ft)
Direction 23°
NNE
24°
NNE
24°
NNE
25°
NNE
25°
NNE
25°
NNE
28°
NNE
28°
NNE
Period13.1 sec.12.8 sec.12.7 sec.12.6 sec.12.5 sec.12.4 sec.12.3 sec.12.1 sec.
Significant height1.2m (3.9ft)1.2m (3.9ft)1.1m (3.6ft)1.1m (3.6ft)1.0m (3.3ft)1.1m (3.6ft)1.0m (3.3ft)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 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 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 14.3mph km/h (with gusts up to 19.3mph). Wave height will be up to 3.3ft 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)24°C (76°F)26°C (79°F)28°C (82°F)27°C (80°F)
Perceived temperature31°C (87°F)30°C (86°F)30°C (86°F)31°C (88°F)26°C (79°F)28°C (82°F)31°C (88°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%84%78%72%70%77%80%
Barometric pressure1011 hPa1009 hPa1010 hPa1011 hPa1010 hPa1009 hPa1009 hPa1011 hPa
Cloud cover83%77%86%70%80%5%38%26%
Heat index31°C (87°F)30°C (86°F)30°C (86°F)31°C (88°F)26°C (79°F)28°C (82°F)31°C (88°F)30°C (86°F)
Dew point24°C (75°F)24°C (75°F)24°C (74°F)23°C (74°F)19°C (66°F)20°C (68°F)23°C (74°F)23°C (74°F)
Wind
Speed22km/h (14mph)21km/h (13mph)21km/h (13mph)21km/h (13mph)23km/h (14mph)20km/h (13mph)20km/h (13mph)19km/h (12mph)
Gusts31km/h (19mph)29km/h (18mph)29km/h (18mph)29km/h (18mph)29km/h (18mph)24km/h (15mph)29km/h (18mph)27km/h (17mph)
Direction 92°
E
91°
E
86°
E
94°
E
104°
ESE
99°
E
96°
E
87°
E
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)24°C (76°F)26°C (79°F)28°C (82°F)27°C (80°F)
Waves
Height1.0m (3.3ft)0.9m (3.1ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (2.9ft)0.9m (2.9ft)0.9m (2.9ft)
Direction 28°
NNE
29°
NNE
59°
ENE
59°
ENE
59°
ENE
59°
ENE
59°
ENE
59°
ENE
Period11.9 sec.9.4 sec.9.4 sec.9.4 sec.9.4 sec.11.3 sec.5.7 sec.9.5 sec.
Significant height0.9m (3ft)0.6m (2ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)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 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 15.5mph km/h (with gusts up to 25.5mph). Wave height will be up to 3ft 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)24°C (76°F)28°C (82°F)27°C (80°F)27°C (81°F)
Perceived temperature30°C (86°F)30°C (86°F)30°C (86°F)31°C (88°F)26°C (79°F)31°C (88°F)29°C (85°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity81%79%82%79%74%78%80%79%
Barometric pressure1011 hPa1010 hPa1010 hPa1012 hPa1011 hPa1009 hPa1010 hPa1012 hPa
Cloud cover77%89%77%77%4%73%71%14%
Heat index30°C (86°F)30°C (86°F)30°C (86°F)31°C (88°F)26°C (79°F)31°C (88°F)29°C (85°F)30°C (86°F)
Dew point23°C (74°F)23°C (73°F)23°C (74°F)24°C (74°F)20°C (67°F)23°C (74°F)23°C (73°F)23°C (73°F)
Wind
Speed19km/h (12mph)21km/h (13mph)20km/h (13mph)23km/h (14mph)24km/h (15mph)24km/h (15mph)25km/h (15mph)21km/h (13mph)
Gusts26km/h (16mph)30km/h (18mph)29km/h (18mph)32km/h (20mph)27km/h (17mph)36km/h (22mph)41km/h (26mph)30km/h (19mph)
Direction 91°
E
94°
E
89°
E
95°
E
95°
E
89°
E
99°
E
105°
ESE
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)24°C (76°F)28°C (82°F)27°C (80°F)27°C (81°F)
Waves
Height0.8m (2.8ft)0.8m (2.8ft)0.9m (2.9ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.1ft)0.9m (2.9ft)0.8m (2.8ft)
Direction 58°
ENE
56°
ENE
55°
NE
53°
NE
53°
NE
53°
NE
34°
NE
48°
NE
Period9.5 sec.9.3 sec.9.3 sec.9.3 sec.9.2 sec.11.1 sec.10.9 sec.9.1 sec.
Significant height0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.2m (3.9ft)0.7m (2.3ft)0.8m (2.6ft)0.8m (2.6ft)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 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 76°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. The sea will be generally calm, with a wind speed of up to 14.3mph km/h (with gusts up to 21.1mph). 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)28°C (82°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)
Perceived temperature30°C (87°F)30°C (86°F)30°C (86°F)31°C (88°F)31°C (87°F)31°C (88°F)31°C (88°F)31°C (88°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity82%82%82%78%77%77%80%83%
Barometric pressure1013 hPa1012 hPa1012 hPa1014 hPa1012 hPa1011 hPa1012 hPa1013 hPa
Cloud cover52%77%32%85%78%70%83%20%
Heat index30°C (87°F)30°C (86°F)30°C (86°F)31°C (88°F)31°C (87°F)31°C (88°F)31°C (88°F)31°C (88°F)
Dew point24°C (74°F)23°C (74°F)23°C (74°F)23°C (74°F)23°C (73°F)23°C (74°F)24°C (75°F)24°C (75°F)
Wind
Speed18km/h (11mph)14km/h (9mph)16km/h (10mph)18km/h (11mph)22km/h (13mph)20km/h (12mph)21km/h (13mph)23km/h (14mph)
Gusts25km/h (15mph)21km/h (13mph)23km/h (14mph)25km/h (15mph)34km/h (21mph)31km/h (19mph)30km/h (19mph)32km/h (20mph)
Direction 103°
ESE
92°
E
91°
E
96°
E
94°
E
85°
E
80°
E
84°
E
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)28°C (82°F)27°C (81°F)28°C (82°F)27°C (81°F)27°C (81°F)
Waves
Height0.8m (2.8ft)0.8m (2.7ft)0.8m (2.6ft)0.8m (2.7ft)1.4m (4.6ft)1.4m (4.7ft)1.5m (4.9ft)1.6m (5.2ft)
Direction 46°
NE
45°
NE
46°
NE
47°
NE
78°
ENE
57°
ENE
32°
NNE
245°
WSW
Period10.3 sec.9.1 sec.9.1 sec.9.1 sec.11.3 sec.11.1 sec.11.6 sec.11.3 sec.
Significant height0.8m (2.6ft)0.5m (1.6ft)0.5m (1.6ft)0.7m (2.3ft)0.9m (3ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)
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 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 21.8mph). Wave height will be up to 5.6ft 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)28°C (82°F)26°C (78°F)26°C (78°F)27°C (80°F)27°C (80°F)
Perceived temperature31°C (87°F)31°C (87°F)31°C (87°F)31°C (88°F)28°C (83°F)28°C (82°F)30°C (85°F)30°C (86°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity83%84%84%80%75%75%77%79%
Barometric pressure1013 hPa1011 hPa1012 hPa1013 hPa1012 hPa1011 hPa1011 hPa1013 hPa
Cloud cover46%41%31%32%17%8%22%31%
Heat index31°C (87°F)31°C (87°F)31°C (87°F)31°C (88°F)28°C (83°F)28°C (82°F)30°C (85°F)30°C (86°F)
Dew point24°C (75°F)24°C (75°F)24°C (75°F)24°C (74°F)21°C (70°F)21°C (70°F)23°C (73°F)23°C (73°F)
Wind
Speed23km/h (14mph)22km/h (13mph)23km/h (15mph)24km/h (15mph)24km/h (15mph)23km/h (15mph)22km/h (14mph)22km/h (13mph)
Gusts32km/h (20mph)31km/h (19mph)33km/h (21mph)35km/h (22mph)30km/h (19mph)26km/h (16mph)29km/h (18mph)31km/h (19mph)
Direction 89°
E
89°
E
82°
E
73°
ENE
68°
ENE
69°
ENE
71°
ENE
75°
ENE
Wind chill27°C (81°F)27°C (80°F)27°C (80°F)28°C (82°F)26°C (78°F)26°C (78°F)27°C (80°F)27°C (80°F)
Waves
Height1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)1.7m (5.6ft)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)1.7m (5.6ft)
Direction 348°
NNW
347°
NNW
351°
N
354°
N
357°
N
121°
ESE

N
14°
NNE
Period11.0 sec.10.7 sec.9.7 sec.9.2 sec.9.2 sec.9.6 sec.9.8 sec.9.7 sec.
Significant height0.9m (3ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.3ft)0.7m (2.3ft)1.3m (4.3ft)1.5m (4.9ft)1.5m (4.9ft)
Sea water temperature
Water temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°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 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 21.1mph). 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 (78°F)27°C (80°F)27°C (81°F)27°C (80°F)
Perceived temperature29°C (85°F)29°C (85°F)29°C (85°F)31°C (87°F)28°C (82°F)29°C (84°F)30°C (86°F)29°C (85°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity79%78%78%76%72%72%78%75%
Barometric pressure1012 hPa1011 hPa1012 hPa1013 hPa1011 hPa1010 hPa1010 hPa1012 hPa
Cloud cover30%39%45%40%16%14%62%28%
Heat index29°C (85°F)29°C (85°F)29°C (85°F)31°C (87°F)28°C (82°F)29°C (84°F)30°C (86°F)29°C (85°F)
Dew point23°C (73°F)23°C (73°F)23°C (73°F)23°C (73°F)20°C (68°F)21°C (70°F)23°C (73°F)22°C (71°F)
Wind
Speed20km/h (13mph)18km/h (11mph)18km/h (11mph)19km/h (12mph)24km/h (15mph)23km/h (15mph)22km/h (14mph)23km/h (14mph)
Gusts29km/h (18mph)26km/h (16mph)25km/h (16mph)26km/h (16mph)26km/h (16mph)30km/h (19mph)32km/h (20mph)34km/h (21mph)
Direction 78°
ENE
79°
E
80°
E
91°
E
92°
E
86°
E
88°
E
90°
E
Wind chill27°C (80°F)27°C (80°F)27°C (80°F)27°C (81°F)26°C (78°F)27°C (80°F)27°C (81°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)1.6m (5.2ft)1.6m (5.2ft)1.6m (5.2ft)
Direction 24°
NNE
30°
NNE
32°
NNE
38°
NE
46°
NE
54°
NE
59°
ENE
34°
NE
Period9.4 sec.9.5 sec.9.7 sec.9.0 sec.9.1 sec.8.6 sec.8.1 sec.8.0 sec.
Significant height1.4m (4.6ft)1.0m (3.3ft)0.9m (3ft)1.3m (4.3ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)1.2m (3.9ft)
Sea water temperature
Water temperature28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)28°C (83°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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