Sea weather in Alonissos in Greece All the beach weather in Alonissos

All the essential weather information for enjoying the beach in Alonissos in Greece, 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 Alonissos over the next 7 days?

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

Date Outside temp. Our opinion
Wednesday 26 March 202558°F to 61°Frecommended
Thursday 27 March 202558°F to 61°Fdiscouraged
Friday 28 March 202558°F to 59°Fdiscouraged
Saturday 29 March 202556°F to 59°Fdiscouraged
Sunday 30 March 202558°F to 59°Frecommended
Monday 31 March 202554°F to 59°Fnot recommended
Tuesday 1 April 202554°F to 56°Fnot recommended

Sea Weather: Your daily and hourly sea weather in Alonissos

Sea weather on Wednesday 26 March 2025

On Wednesday 26 March 2025, the sun will rise at 06:19 and will set at 18:43 on the beach(es) of Alonissos. The outside temperature will be a high of 61°F t and a low of 58°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 9.3mph km/h (with gusts up to 17.4mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)15°C (58°F)15°C (58°F)15°C (59°F)15°C (60°F)16°C (60°F)15°C (60°F)15°C (60°F)
Perceived temperature13°C (56°F)15°C (58°F)14°C (58°F)15°C (60°F)15°C (60°F)16°C (60°F)15°C (60°F)15°C (60°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity85%86%85%83%78%79%77%80%
Barometric pressure1018 hPa1016 hPa1016 hPa1016 hPa1014 hPa1013 hPa1012 hPa1011 hPa
Cloud cover54%48%18%36%48%55%48%32%
Heat index14°C (58°F)15°C (58°F)15°C (58°F)15°C (59°F)15°C (60°F)16°C (60°F)15°C (60°F)15°C (60°F)
Dew point12°C (53°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (53°F)12°C (53°F)11°C (52°F)12°C (53°F)
Wind
Speed14km/h (9mph)6km/h (4mph)8km/h (5mph)5km/h (3mph)12km/h (8mph)9km/h (6mph)8km/h (5mph)15km/h (9mph)
Gusts22km/h (13mph)10km/h (6mph)12km/h (7mph)8km/h (5mph)19km/h (12mph)15km/h (9mph)15km/h (9mph)28km/h (17mph)
Direction 126°
SE
103°
ESE
52°
NE
67°
ENE

N
58°
ENE
119°
ESE
93°
E
Wind chill13°C (56°F)15°C (58°F)14°C (58°F)15°C (60°F)15°C (60°F)16°C (60°F)15°C (60°F)15°C (60°F)
Waves
Height0.4m (1.3ft)0.3m (1.0ft)0.2m (0.7ft)0.1m (0.5ft)0.2m (0.5ft)0.1m (0.5ft)0.1m (0.4ft)0.1m (0.4ft)
Direction 23°
NNE
28°
NNE
37°
NE
40°
NE
133°
SE
126°
SE
123°
ESE
122°
ESE
Period3.5 sec.3.4 sec.3.3 sec.4.5 sec.4.5 sec.4.3 sec.4.1 sec.4.0 sec.
Significant height0.5m (1.6ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1ft)0.3m (1ft)0.3m (1ft)0.1m (0.3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Thursday 27 March 2025

On Thursday 27 March 2025, the sun will rise at 06:17 and will set at 18:44 on the beach(es) of Alonissos. The outside temperature will be a high of 61°F t and a low of 58°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 23.6mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (60°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (60°F)15°C (59°F)15°C (59°F)
Perceived temperature15°C (60°F)15°C (59°F)15°C (59°F)15°C (59°F)14°C (57°F)15°C (60°F)15°C (59°F)15°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity84%85%86%84%83%86%86%89%
Barometric pressure1011 hPa1008 hPa1008 hPa1008 hPa1005 hPa1002 hPa1003 hPa1004 hPa
Cloud cover69%44%66%95%14%66%100%98%
Heat index15°C (60°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (59°F)15°C (60°F)15°C (59°F)15°C (59°F)
Dew point13°C (55°F)13°C (55°F)13°C (55°F)13°C (55°F)12°C (54°F)13°C (56°F)13°C (55°F)13°C (56°F)
Wind
Speed6km/h (4mph)23km/h (14mph)23km/h (15mph)18km/h (11mph)15km/h (9mph)18km/h (11mph)2km/h (1mph)8km/h (5mph)
Gusts10km/h (6mph)38km/h (24mph)37km/h (23mph)30km/h (18mph)27km/h (16mph)33km/h (21mph)4km/h (3mph)14km/h (9mph)
Direction
N
78°
ENE
72°
ENE
87°
E
106°
ESE
136°
SE
289°
WNW
323°
NW
Wind chill15°C (60°F)15°C (59°F)15°C (59°F)15°C (59°F)14°C (57°F)15°C (60°F)15°C (59°F)15°C (58°F)
Waves
Height0.3m (0.9ft)0.2m (0.7ft)0.5m (1.6ft)0.7m (2.3ft)0.8m (2.6ft)0.7m (2.5ft)0.7m (2.2ft)0.6m (1.9ft)
Direction 123°
ESE
100°
E
111°
ESE
115°
ESE
121°
ESE
125°
SE
129°
SE
129°
SE
Period3.9 sec.3.9 sec.3.9 sec.3.9 sec.3.9 sec.4.2 sec.5.5 sec.5.7 sec.
Significant height0.2m (0.7ft)0.5m (1.6ft)0.9m (3ft)1.0m (3.3ft)1.1m (3.6ft)0.7m (2.3ft)1.2m (3.9ft)0.7m (2.3ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Friday 28 March 2025

On Friday 28 March 2025, the sun will rise at 06:16 and will set at 18:45 on the beach(es) of Alonissos. The outside temperature will be a high of 59°F t and a low of 58°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 17.4mph km/h (with gusts up to 26.1mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (57°F)14°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)15°C (59°F)
Perceived temperature12°C (53°F)12°C (54°F)14°C (57°F)13°C (56°F)13°C (56°F)14°C (56°F)13°C (56°F)15°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity92%81%79%78%74%71%76%78%
Barometric pressure1004 hPa1003 hPa1004 hPa1004 hPa1003 hPa1002 hPa1002 hPa1002 hPa
Cloud cover84%76%9%4%20%9%15%23%
Heat index14°C (57°F)14°C (58°F)14°C (58°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)15°C (59°F)
Dew point13°C (55°F)11°C (52°F)11°C (51°F)10°C (51°F)10°C (49°F)9°C (48°F)10°C (50°F)11°C (52°F)
Wind
Speed28km/h (17mph)27km/h (17mph)10km/h (6mph)12km/h (8mph)11km/h (7mph)9km/h (6mph)10km/h (6mph)9km/h (6mph)
Gusts41km/h (25mph)42km/h (26mph)16km/h (10mph)18km/h (11mph)17km/h (11mph)17km/h (10mph)18km/h (11mph)14km/h (9mph)
Direction 340°
NNW
354°
N
328°
NNW
347°
NNW
346°
NNW
89°
E
99°
E
90°
E
Wind chill12°C (53°F)12°C (54°F)14°C (57°F)13°C (56°F)13°C (56°F)14°C (56°F)13°C (56°F)15°C (58°F)
Waves
Height0.5m (1.6ft)0.4m (1.5ft)0.4m (1.3ft)0.3m (1.1ft)0.3m (0.9ft)0.2m (0.8ft)0.3m (1.0ft)0.3m (1.1ft)
Direction 132°
SE
129°
SE
327°
NNW
131°
SE
133°
SE
135°
SE
102°
ESE
107°
ESE
Period6.1 sec.6.0 sec.5.6 sec.5.5 sec.5.3 sec.2.8 sec.2.7 sec.5.6 sec.
Significant height0.6m (2ft)0.5m (1.6ft)0.5m (1.6ft)0.3m (1ft)0.3m (1ft)0.4m (1.3ft)0.6m (2ft)0.3m (1ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Saturday 29 March 2025

On Saturday 29 March 2025, the sun will rise at 06:14 and will set at 18:46 on the beach(es) of Alonissos. The outside temperature will be a high of 59°F t and a low of 56°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 18.6mph). Wave height will be up to 2.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)13°C (55°F)13°C (55°F)14°C (56°F)14°C (57°F)14°C (56°F)13°C (56°F)14°C (58°F)
Perceived temperature14°C (58°F)11°C (52°F)12°C (54°F)12°C (54°F)14°C (56°F)14°C (56°F)14°C (57°F)15°C (58°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity78%83%81%79%74%71%76%76%
Barometric pressure1000 hPa1000 hPa1000 hPa1001 hPa1001 hPa1000 hPa1001 hPa1002 hPa
Cloud cover96%65%92%55%74%18%15%29%
Heat index15°C (58°F)13°C (55°F)13°C (55°F)14°C (56°F)14°C (57°F)14°C (56°F)13°C (56°F)14°C (58°F)
Dew point11°C (52°F)10°C (50°F)10°C (49°F)10°C (50°F)9°C (49°F)8°C (47°F)9°C (48°F)10°C (50°F)
Wind
Speed9km/h (6mph)21km/h (13mph)10km/h (6mph)15km/h (9mph)8km/h (5mph)1km/h (1mph)4km/h (3mph)4km/h (3mph)
Gusts15km/h (9mph)30km/h (18mph)15km/h (9mph)21km/h (13mph)12km/h (7mph)2km/h (1mph)7km/h (5mph)6km/h (4mph)
Direction 216°
SW
229°
SW
267°
W
277°
W
294°
WNW
172°
S
160°
SSE
113°
ESE
Wind chill14°C (58°F)11°C (52°F)12°C (54°F)12°C (54°F)14°C (56°F)14°C (56°F)14°C (57°F)15°C (58°F)
Waves
Height0.2m (0.8ft)0.3m (1.0ft)0.4m (1.2ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (1.9ft)0.5m (1.6ft)0.4m (1.3ft)
Direction 109°
ESE
316°
NW
319°
NW
341°
NNW

N
20°
NNE
26°
NNE
29°
NNE
Period3.2 sec.4.1 sec.4.1 sec.7.4 sec.5.6 sec.4.7 sec.4.9 sec.4.7 sec.
Significant height0.5m (1.6ft)0.5m (1.6ft)0.6m (2ft)1.0m (3.3ft)0.4m (1.3ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Sunday 30 March 2025

On Sunday 30 March 2025, the sun will rise at 06:13 and will set at 18:47 on the beach(es) of Alonissos. The outside temperature will be a high of 59°F t and a low of 58°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 8.7mph km/h (with gusts up to 15.5mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature14°C (58°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (58°F)14°C (57°F)15°C (59°F)
Perceived temperature15°C (59°F)14°C (57°F)14°C (56°F)14°C (56°F)13°C (56°F)13°C (56°F)13°C (55°F)14°C (57°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity76%76%80%80%79%75%80%82%
Barometric pressure1002 hPa1002 hPa1004 hPa1005 hPa1005 hPa1005 hPa1005 hPa1005 hPa
Cloud cover36%33%38%52%17%16%19%17%
Heat index14°C (58°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (57°F)14°C (58°F)14°C (57°F)15°C (59°F)
Dew point10°C (50°F)10°C (50°F)11°C (51°F)11°C (51°F)10°C (50°F)10°C (50°F)11°C (51°F)12°C (53°F)
Wind
Speed4km/h (2mph)6km/h (4mph)8km/h (5mph)9km/h (6mph)10km/h (6mph)12km/h (7mph)14km/h (9mph)14km/h (9mph)
Gusts5km/h (3mph)9km/h (5mph)12km/h (7mph)12km/h (8mph)15km/h (9mph)19km/h (12mph)25km/h (15mph)21km/h (13mph)
Direction 36°
NE
14°
NNE
27°
NNE
49°
NE
62°
ENE
101°
E
92°
E
80°
E
Wind chill15°C (59°F)14°C (57°F)14°C (56°F)14°C (56°F)13°C (56°F)13°C (56°F)13°C (55°F)14°C (57°F)
Waves
Height0.3m (1.0ft)0.2m (0.8ft)0.3m (1.1ft)0.4m (1.4ft)0.3m (1.1ft)0.2m (0.8ft)0.2m (0.6ft)0.1m (0.4ft)
Direction 34°
NE
35°
NE
14°
NNE
14°
NNE
19°
NNE
20°
NNE
23°
NNE
31°
NNE
Period4.5 sec.4.8 sec.4.5 sec.4.3 sec.4.3 sec.4.3 sec.4.3 sec.3.1 sec.
Significant height0.4m (1.3ft)0.3m (1ft)0.6m (2ft)0.6m (2ft)0.4m (1.3ft)0.6m (2ft)0.6m (2ft)0.2m (0.7ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Monday 31 March 2025

On Monday 31 March 2025, the sun will rise at 07:11 and will set at 19:48 on the beach(es) of Alonissos. The outside temperature will be a high of 59°F t and a low of 54°F. Precipitation is in the forecast (0.4in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 34.8mph km/h (with gusts up to 36.7mph). Wave height will be up to 1.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature15°C (58°F)14°C (58°F)12°C (54°F)14°C (56°F)15°C (59°F)13°C (56°F)13°C (55°F)13°C (55°F)
Perceived temperature14°C (57°F)13°C (56°F)11°C (52°F)11°C (51°F)12°C (54°F)11°C (51°F)12°C (53°F)12°C (54°F)
Precipitation0in0in0.1in0.1in0.1in0in0in0in
Humidity83%81%88%87%83%81%80%84%
Barometric pressure1004 hPa1004 hPa1004 hPa1003 hPa1000 hPa1000 hPa1002 hPa1003 hPa
Cloud cover88%74%94%89%100%100%100%100%
Heat index15°C (58°F)14°C (58°F)12°C (54°F)14°C (56°F)15°C (59°F)13°C (56°F)13°C (55°F)13°C (55°F)
Dew point12°C (53°F)11°C (52°F)10°C (50°F)12°C (53°F)12°C (54°F)10°C (50°F)9°C (49°F)10°C (50°F)
Wind
Speed15km/h (9mph)18km/h (11mph)10km/h (6mph)40km/h (25mph)56km/h (35mph)38km/h (24mph)13km/h (8mph)8km/h (5mph)
Gusts22km/h (14mph)28km/h (17mph)13km/h (8mph)55km/h (34mph)59km/h (37mph)44km/h (27mph)20km/h (12mph)12km/h (7mph)
Direction 163°
SSE
160°
SSE
120°
ESE
85°
E
130°
SE
180°
S
177°
S
172°
S
Wind chill14°C (57°F)13°C (56°F)11°C (52°F)11°C (51°F)12°C (54°F)11°C (51°F)12°C (53°F)12°C (54°F)
Waves
Height0.1m (0.5ft)0.3m (1.1ft)0.5m (1.7ft)0.5m (1.6ft)0.4m (1.5ft)0.5m (1.6ft)0.4m (1.4ft)0.4m (1.2ft)
Direction 51°
NE
355°
N
341°
NNW
328°
NNW
329°
NNW
29°
NNE
51°
NE
55°
NE
Period3.6 sec.3.5 sec.3.4 sec.3.4 sec.3.4 sec.3.6 sec.3.5 sec.3.2 sec.
Significant height0.4m (1.3ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.8m (2.6ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather on Tuesday 1 April 2025

On Tuesday 1 April 2025, the sun will rise at 07:10 and will set at 19:49 on the beach(es) of Alonissos. The outside temperature will be a high of 56°F t and a low of 54°F. Precipitation is in the forecast (0.4in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 27.3mph km/h (with gusts up to 38.5mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature13°C (55°F)13°C (55°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (55°F)12°C (54°F)12°C (54°F)
Perceived temperature10°C (50°F)11°C (51°F)11°C (52°F)12°C (53°F)12°C (53°F)9°C (49°F)9°C (47°F)10°C (50°F)
Precipitation0.1in0.2in0in0.1in0in0in0in0in
Humidity81%91%88%90%88%89%87%85%
Barometric pressure1002 hPa1000 hPa999 hPa998 hPa997 hPa999 hPa1002 hPa1004 hPa
Cloud cover100%100%100%100%95%100%100%100%
Heat index13°C (55°F)13°C (55°F)13°C (56°F)13°C (56°F)13°C (56°F)13°C (55°F)12°C (54°F)12°C (54°F)
Dew point10°C (50°F)12°C (53°F)11°C (53°F)12°C (53°F)11°C (52°F)11°C (52°F)10°C (50°F)10°C (50°F)
Wind
Speed37km/h (23mph)27km/h (17mph)32km/h (20mph)19km/h (12mph)18km/h (11mph)44km/h (28mph)44km/h (27mph)27km/h (17mph)
Gusts50km/h (31mph)37km/h (23mph)45km/h (28mph)27km/h (17mph)25km/h (16mph)62km/h (39mph)61km/h (38mph)37km/h (23mph)
Direction 124°
SE
49°
NE
23°
NNE
353°
N
257°
WSW
240°
WSW
211°
SSW
198°
SSW
Wind chill10°C (50°F)11°C (51°F)11°C (52°F)12°C (53°F)12°C (53°F)9°C (49°F)9°C (47°F)10°C (50°F)
Waves
Height0.6m (2.0ft)0.7m (2.3ft)0.6m (2.0ft)0.5m (1.7ft)0.5m (1.5ft)0.4m (1.2ft)0.3m (0.9ft)0.2m (0.8ft)
Direction 52°
NE
52°
NE
59°
ENE
60°
ENE
347°
NNW
341°
NNW
344°
NNW
235°
SW
Period3.2 sec.3.2 sec.3.2 sec.4.8 sec.4.6 sec.4.5 sec.3.1 sec.4.1 sec.
Significant height0.8m (2.6ft)0.9m (3ft)0.8m (2.6ft)0.8m (2.6ft)0.6m (2ft)0.4m (1.3ft)0.4m (1.3ft)0.5m (1.6ft)
Sea water temperature
Water temperature12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)12°C (54°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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