Sea weather in Cat Ba island in Vietnam All the beach weather in Cat Ba island
All the essential weather information for enjoying the beach in Cat Ba island in Vietnam, 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 Cat Ba island over the next 7 days?
Discover the best moment to go to the beach in Cat Ba island in Vietnam this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Cat Ba island. You can see full forecasts by clicking on the day you want to see in the table below.
| Date | Outside temp. | Max wind | Our opinion | Details |
|---|---|---|---|---|
| Sunday 19 July 2026 | 83°F to 88°F | 0.6mph | recommended | all the sea weather |
| Monday 20 July 2026 | 81°F to 85°F | 5.6mph | recommended | all the sea weather |
| Tuesday 21 July 2026 | 81°F to 85°F | 5mph | recommended | all the sea weather |
| Wednesday 22 July 2026 | 81°F to 88°F | 8.1mph | recommended | all the sea weather |
| Thursday 23 July 2026 | 81°F to 83°F | 13.1mph | discouraged | all the sea weather |
| Friday 24 July 2026 | 81°F to 83°F | 9.9mph | discouraged | all the sea weather |
| Saturday 25 July 2026 | 81°F to 86°F | 3.7mph | recommended | all the sea weather |
Sea Weather: Your daily and hourly sea weather in Cat Ba island
Sea weather on Sunday 19 July 2026
On Sunday 19 July 2026, the sun will rise at 05:22 and will set at 18:36 on the beach(es) of Cat Ba island. The outside temperature will be a high of 88°F t and a low of 83°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 9.3mph km/h (with gusts up to 17.4mph). Wave height will be up to 4.3ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | |  | |  | | |  |
| Outside temperature | 29°C (83°F) | 28°C (83°F) | 28°C (82°F) | 30°C (86°F) | 31°C (87°F) | 31°C (87°F) | 29°C (85°F) | 28°C (83°F) |
| Perceived temperature | 34°C (93°F) | 33°C (92°F) | 33°C (91°F) | 36°C (97°F) | 36°C (97°F) | 36°C (97°F) | 35°C (96°F) | 33°C (92°F) |
| Precipitation | 0.1in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 82% | 84% | 84% | 75% | 65% | 70% | 79% | 79% |
| Barometric pressure | 1002 hPa | 1001 hPa | 1002 hPa | 1003 hPa | 1002 hPa | 1001 hPa | 1002 hPa | 1003 hPa |
| Cloud cover | 77% | 30% | 28% | 35% | 27% | 29% | 47% | 67% |
| Heat index | 34°C (93°F) | 33°C (92°F) | 33°C (91°F) | 36°C (97°F) | 36°C (97°F) | 36°C (97°F) | 35°C (96°F) | 33°C (92°F) |
| Dew point | 25°C (78°F) | 25°C (77°F) | 25°C (77°F) | 25°C (77°F) | 24°C (74°F) | 24°C (76°F) | 25°C (78°F) | 25°C (76°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 15km/h (9mph) | 8km/h (5mph) | 7km/h (4mph) | 12km/h (7mph) | 12km/h (8mph) | 3km/h (2mph) | 1km/h (1mph) |
| Gusts | 21km/h (13mph) | 28km/h (17mph) | 14km/h (9mph) | 11km/h (7mph) | 19km/h (12mph) | 18km/h (11mph) | 5km/h (3mph) | 2km/h (1mph) |
| Direction | 130° SE | 213° SSW | 211° SSW | 236° SW | 239° WSW | 259° W | 290° WNW | 228° SW |
| Wind chill | 29°C (83°F) | 28°C (83°F) | 28°C (82°F) | 30°C (86°F) | 31°C (87°F) | 31°C (87°F) | 29°C (85°F) | 28°C (83°F) |
| Waves | ||||||||
| Height | 1.3m (4.1ft) | 1.1m (3.6ft) | 0.9m (3.0ft) | 0.7m (2.5ft) | 0.7m (2.3ft) | 0.7m (2.2ft) | 0.6m (2.1ft) | 0.6m (1.9ft) |
| Direction | 180° S | 187° S | 186° S | 185° S | 179° S | 174° S | 172° S | 172° S |
| Period | 1.0 sec. | 1.0 sec. | 1.0 sec. | 5.6 sec. | 5.8 sec. | 5.8 sec. | 5.6 sec. | 5.6 sec. |
| Significant height | 1.6m (5.2ft) | 1.5m (4.9ft) | 1.3m (4.3ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.1m (3.6ft) | 0.9m (3ft) | 0.9m (3ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 28°C (82°F) |
Sea weather on Monday 20 July 2026
On Monday 20 July 2026, the sun will rise at 05:22 and will set at 18:36 on the beach(es) of Cat Ba island. The outside temperature will be a high of 85°F t and a low of 81°F. Precipitation is in the forecast (0.2in 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 8.7mph km/h (with gusts up to 14.3mph). Wave height will be up to 1.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 29°C (84°F) | 28°C (82°F) | 27°C (81°F) | 28°C (83°F) | 29°C (84°F) | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) |
| Perceived temperature | 34°C (93°F) | 32°C (90°F) | 31°C (88°F) | 33°C (92°F) | 33°C (92°F) | 31°C (88°F) | 31°C (88°F) | 30°C (86°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0.1in | 0in | 0in | 0in |
| Humidity | 80% | 82% | 84% | 80% | 75% | 84% | 85% | 87% |
| Barometric pressure | 1003 hPa | 1002 hPa | 1003 hPa | 1004 hPa | 1003 hPa | 1002 hPa | 1003 hPa | 1005 hPa |
| Cloud cover | 85% | 56% | 49% | 46% | 49% | 57% | 55% | 75% |
| Heat index | 34°C (93°F) | 32°C (90°F) | 31°C (88°F) | 33°C (92°F) | 33°C (92°F) | 31°C (88°F) | 31°C (88°F) | 30°C (86°F) |
| Dew point | 25°C (77°F) | 25°C (76°F) | 24°C (76°F) | 25°C (76°F) | 24°C (75°F) | 24°C (76°F) | 24°C (76°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 3km/h (2mph) | 6km/h (4mph) | 8km/h (5mph) | 11km/h (7mph) | 14km/h (9mph) | 8km/h (5mph) | 4km/h (2mph) | 9km/h (6mph) |
| Gusts | 5km/h (3mph) | 12km/h (7mph) | 14km/h (9mph) | 16km/h (10mph) | 23km/h (14mph) | 13km/h (8mph) | 7km/h (4mph) | 15km/h (9mph) |
| Direction | 242° WSW | 306° NW | 303° WNW | 283° WNW | 287° WNW | 332° NNW | 220° SW | 236° SW |
| Wind chill | 29°C (84°F) | 28°C (82°F) | 27°C (81°F) | 28°C (83°F) | 29°C (84°F) | 27°C (81°F) | 27°C (81°F) | 27°C (80°F) |
| Waves | ||||||||
| Height | 0.5m (1.7ft) | 0.4m (1.4ft) | 0.5m (1.5ft) | 0.5m (1.7ft) | 0.5m (1.7ft) | 0.5m (1.8ft) | 0.5m (1.7ft) | 0.5m (1.6ft) |
| Direction | 173° S | 174° S | 181° S | 187° S | 183° S | 177° S | 170° S | 169° S |
| Period | 5.5 sec. | 5.2 sec. | 4.9 sec. | 5.0 sec. | 5.4 sec. | 2.2 sec. | 6.1 sec. | 5.6 sec. |
| Significant height | 0.7m (2.3ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.7m (2.3ft) | 1.3m (4.3ft) | 0.5m (1.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) |
Sea weather on Tuesday 21 July 2026
On Tuesday 21 July 2026, the sun will rise at 05:23 and will set at 18:35 on the beach(es) of Cat Ba island. The outside temperature will be a high of 85°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 11.2mph km/h (with gusts up to 15.5mph). Wave height will be up to 1.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | |  |  | | | | |
| Outside temperature | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 28°C (82°F) | 28°C (83°F) | 29°C (84°F) | 28°C (82°F) | 27°C (81°F) |
| Perceived temperature | 31°C (87°F) | 30°C (86°F) | 31°C (87°F) | 33°C (91°F) | 32°C (90°F) | 33°C (92°F) | 32°C (89°F) | 30°C (87°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 88% | 87% | 85% | 84% | 79% | 75% | 79% | 78% |
| Barometric pressure | 1004 hPa | 1003 hPa | 1004 hPa | 1005 hPa | 1005 hPa | 1003 hPa | 1004 hPa | 1005 hPa |
| Cloud cover | 76% | 73% | 82% | 77% | 100% | 81% | 62% | 45% |
| Heat index | 31°C (87°F) | 30°C (86°F) | 31°C (87°F) | 33°C (91°F) | 32°C (90°F) | 33°C (92°F) | 32°C (89°F) | 30°C (87°F) |
| Dew point | 25°C (76°F) | 24°C (75°F) | 24°C (76°F) | 25°C (77°F) | 24°C (76°F) | 24°C (75°F) | 24°C (75°F) | 23°C (74°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 7km/h (4mph) | 5km/h (3mph) | 12km/h (8mph) | 17km/h (10mph) | 18km/h (11mph) | 17km/h (10mph) | 8km/h (5mph) |
| Gusts | 16km/h (10mph) | 11km/h (7mph) | 7km/h (5mph) | 18km/h (11mph) | 24km/h (15mph) | 24km/h (15mph) | 25km/h (16mph) | 12km/h (8mph) |
| Direction | 279° W | 255° WSW | 225° SW | 233° SW | 220° SW | 204° SSW | 203° SSW | 160° SSE |
| Wind chill | 27°C (80°F) | 27°C (80°F) | 27°C (80°F) | 28°C (82°F) | 28°C (83°F) | 29°C (84°F) | 28°C (82°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 0.5m (1.5ft) | 0.4m (1.4ft) | 0.5m (1.5ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.6ft) | 0.5m (1.7ft) | 0.5m (1.7ft) |
| Direction | 172° S | 174° S | 183° S | 179° S | 176° S | 173° S | 172° S | 172° S |
| Period | 5.3 sec. | 5.1 sec. | 5.0 sec. | 5.6 sec. | 5.5 sec. | 5.6 sec. | 5.8 sec. | 5.7 sec. |
| Significant height | 0.7m (2.3ft) | 0.6m (2ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) |
| Sea water temperature | ||||||||
| Water temperature | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) |
Sea weather on Wednesday 22 July 2026
On Wednesday 22 July 2026, the sun will rise at 05:23 and will set at 18:35 on the beach(es) of Cat Ba island. The outside temperature will be a high of 88°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 9.9mph km/h (with gusts up to 14.9mph). Wave height will be up to 2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | |  | | |  |
| Outside temperature | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 29°C (83°F) | 28°C (82°F) |
| Perceived temperature | 31°C (88°F) | 32°C (89°F) | 32°C (89°F) | 35°C (95°F) | 35°C (95°F) | 35°C (94°F) | 33°C (92°F) | 33°C (91°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 80% | 83% | 82% | 71% | 67% | 70% | 79% | 83% |
| Barometric pressure | 1005 hPa | 1004 hPa | 1004 hPa | 1005 hPa | 1004 hPa | 1003 hPa | 1003 hPa | 1005 hPa |
| Cloud cover | 33% | 52% | 40% | 47% | 19% | 16% | 29% | 17% |
| Heat index | 31°C (88°F) | 32°C (89°F) | 32°C (89°F) | 35°C (95°F) | 35°C (95°F) | 35°C (94°F) | 33°C (92°F) | 33°C (91°F) |
| Dew point | 24°C (74°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 23°C (74°F) | 24°C (75°F) | 25°C (76°F) | 25°C (76°F) |
| Wind | ||||||||
| Speed | 10km/h (6mph) | 12km/h (7mph) | 12km/h (7mph) | 6km/h (4mph) | 10km/h (6mph) | 15km/h (10mph) | 16km/h (10mph) | 13km/h (8mph) |
| Gusts | 17km/h (10mph) | 19km/h (12mph) | 19km/h (12mph) | 8km/h (5mph) | 14km/h (9mph) | 22km/h (13mph) | 24km/h (15mph) | 21km/h (13mph) |
| Direction | 148° SSE | 171° S | 125° SE | 144° SE | 180° S | 152° SSE | 158° SSE | 136° SE |
| Wind chill | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 29°C (83°F) | 28°C (82°F) |
| Waves | ||||||||
| Height | 0.5m (1.5ft) | 0.5m (1.5ft) | 0.5m (1.7ft) | 0.5m (1.7ft) | 0.6m (1.9ft) | 0.6m (1.9ft) | 0.6m (2.0ft) | 0.6m (1.9ft) |
| Direction | 174° S | 178° S | 188° S | 187° S | 174° S | 170° S | 171° S | 170° S |
| Period | 5.5 sec. | 5.1 sec. | 4.8 sec. | 4.8 sec. | 4.8 sec. | 5.5 sec. | 5.4 sec. | 5.4 sec. |
| Significant height | 0.7m (2.3ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 1.3m (4.3ft) | 1.2m (3.9ft) | 0.9m (3ft) | 0.9m (3ft) | 1.3m (4.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 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) | 28°C (82°F) |
Sea weather on Thursday 23 July 2026
On Thursday 23 July 2026, the sun will rise at 05:24 and will set at 18:35 on the beach(es) of Cat Ba island. The outside temperature will be a high of 83°F t and a low of 81°F. Precipitation is in the forecast (0.3in 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 13.1mph km/h (with gusts up to 21.1mph). Wave height will be up to 2.6ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition |  | | |  | | |  | |
| Outside temperature | 27°C (81°F) | 28°C (82°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Perceived temperature | 32°C (89°F) | 32°C (89°F) | 31°C (89°F) | 32°C (89°F) | 32°C (89°F) | 32°C (90°F) | 31°C (89°F) | 32°C (89°F) |
| Precipitation | 0in | 0in | 0.1in | 0.1in | 0.1in | 0in | 0in | 0in |
| Humidity | 85% | 82% | 84% | 83% | 83% | 82% | 84% | 84% |
| Barometric pressure | 1005 hPa | 1003 hPa | 1004 hPa | 1005 hPa | 1004 hPa | 1003 hPa | 1003 hPa | 1005 hPa |
| Cloud cover | 19% | 32% | 32% | 64% | 71% | 78% | 78% | 84% |
| Heat index | 32°C (89°F) | 32°C (89°F) | 31°C (89°F) | 32°C (89°F) | 32°C (89°F) | 32°C (90°F) | 31°C (89°F) | 32°C (89°F) |
| Dew point | 25°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 24°C (76°F) | 25°C (76°F) |
| Wind | ||||||||
| Speed | 14km/h (9mph) | 8km/h (5mph) | 16km/h (10mph) | 17km/h (10mph) | 15km/h (10mph) | 16km/h (10mph) | 19km/h (12mph) | 21km/h (13mph) |
| Gusts | 24km/h (15mph) | 14km/h (9mph) | 29km/h (18mph) | 25km/h (15mph) | 33km/h (21mph) | 24km/h (15mph) | 31km/h (19mph) | 34km/h (21mph) |
| Direction | 158° SSE | 144° SE | 162° SSE | 153° SSE | 147° SSE | 137° SE | 136° SE | 149° SSE |
| Wind chill | 27°C (81°F) | 28°C (82°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (82°F) | 27°C (81°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 0.5m (1.7ft) | 0.5m (1.6ft) | 0.6m (1.9ft) | 0.7m (2.3ft) | 0.8m (2.5ft) | 0.7m (2.3ft) | 0.6m (2.0ft) | 0.6m (2.0ft) |
| Direction | 170° S | 169° S | 166° SSE | 168° SSE | 168° SSE | 168° SSE | 166° SSE | 165° SSE |
| Period | 5.2 sec. | 5.0 sec. | 5.1 sec. | 5.1 sec. | 5.5 sec. | 5.7 sec. | 5.6 sec. | 5.6 sec. |
| Significant height | 0.7m (2.3ft) | 0.7m (2.3ft) | 0.9m (3ft) | 1.1m (3.6ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 1.2m (3.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) |
Sea weather on Friday 24 July 2026
On Friday 24 July 2026, the sun will rise at 05:24 and will set at 18:34 on the beach(es) of Cat Ba island. The outside temperature will be a high of 83°F t and a low of 81°F. Precipitation is in the forecast (0.4in 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 16.2mph km/h (with gusts up to 21.8mph). Wave height will be up to 3.9ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 27°C (81°F) | 27°C (80°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (83°F) | 28°C (82°F) | 27°C (81°F) |
| Perceived temperature | 31°C (88°F) | 30°C (87°F) | 32°C (89°F) | 32°C (90°F) | 33°C (91°F) | 33°C (91°F) | 32°C (89°F) | 31°C (88°F) |
| Precipitation | 0.1in | 0.1in | 0.1in | 0.1in | 0.1in | 0in | 0in | 0in |
| Humidity | 85% | 86% | 84% | 83% | 82% | 80% | 81% | 82% |
| Barometric pressure | 1005 hPa | 1004 hPa | 1005 hPa | 1006 hPa | 1006 hPa | 1005 hPa | 1005 hPa | 1007 hPa |
| Cloud cover | 46% | 40% | 53% | 45% | 63% | 59% | 49% | 26% |
| Heat index | 31°C (88°F) | 30°C (87°F) | 32°C (89°F) | 32°C (90°F) | 33°C (91°F) | 33°C (91°F) | 32°C (89°F) | 31°C (88°F) |
| Dew point | 24°C (76°F) | 24°C (75°F) | 24°C (76°F) | 25°C (76°F) | 25°C (76°F) | 25°C (76°F) | 24°C (76°F) | 24°C (75°F) |
| Wind | ||||||||
| Speed | 21km/h (13mph) | 21km/h (13mph) | 24km/h (15mph) | 21km/h (13mph) | 25km/h (15mph) | 26km/h (16mph) | 19km/h (12mph) | 16km/h (10mph) |
| Gusts | 34km/h (21mph) | 27km/h (17mph) | 27km/h (17mph) | 25km/h (16mph) | 31km/h (19mph) | 35km/h (22mph) | 31km/h (19mph) | 27km/h (17mph) |
| Direction | 156° SSE | 159° SSE | 170° S | 155° SSE | 140° SE | 125° SE | 112° ESE | 104° ESE |
| Wind chill | 27°C (81°F) | 27°C (80°F) | 27°C (81°F) | 28°C (82°F) | 28°C (82°F) | 28°C (83°F) | 28°C (82°F) | 27°C (81°F) |
| Waves | ||||||||
| Height | 0.7m (2.3ft) | 0.8m (2.6ft) | 1.0m (3.3ft) | 1.2m (3.9ft) | 1.1m (3.6ft) | 1.0m (3.3ft) | 0.9m (3.0ft) | 0.7m (2.3ft) |
| Direction | 164° SSE | 166° SSE | 169° S | 171° S | 171° S | 171° S | 170° S | 170° S |
| Period | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.6 sec. | 5.4 sec. | 5.2 sec. |
| Significant height | 1.3m (4.3ft) | 1.3m (4.3ft) | 1.5m (4.9ft) | 1.6m (5.2ft) | 1.5m (4.9ft) | 1.5m (4.9ft) | 1.3m (4.3ft) | 1.2m (3.9ft) |
| Sea water temperature | ||||||||
| Water temperature | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) |
Sea weather on Saturday 25 July 2026
On Saturday 25 July 2026, the sun will rise at 05:24 and will set at 18:34 on the beach(es) of Cat Ba island. The outside temperature will be a high of 86°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 7.5mph km/h (with gusts up to 12.4mph). Wave height will be up to 2ft today.
| 0:00 | 3:00 | 6:00 | 9:00 | 12:00 | 15:00 | 18:00 | 21:00 | |
| Weather | ||||||||
| Sky condition | | | | | | | | |
| Outside temperature | 27°C (81°F) | 27°C (80°F) | 28°C (82°F) | 29°C (85°F) | 30°C (86°F) | 29°C (83°F) | 28°C (82°F) | 28°C (82°F) |
| Perceived temperature | 31°C (87°F) | 30°C (86°F) | 31°C (88°F) | 34°C (93°F) | 34°C (93°F) | 32°C (89°F) | 31°C (88°F) | 31°C (88°F) |
| Precipitation | 0in | 0in | 0in | 0in | 0in | 0in | 0in | 0in |
| Humidity | 82% | 81% | 79% | 71% | 66% | 67% | 74% | 79% |
| Barometric pressure | 1007 hPa | 1008 hPa | 1008 hPa | 1009 hPa | 1008 hPa | 1007 hPa | 1007 hPa | 1009 hPa |
| Cloud cover | 29% | 46% | 40% | 23% | 16% | 14% | 9% | 11% |
| Heat index | 31°C (87°F) | 30°C (86°F) | 31°C (88°F) | 34°C (93°F) | 34°C (93°F) | 32°C (89°F) | 31°C (88°F) | 31°C (88°F) |
| Dew point | 24°C (75°F) | 23°C (74°F) | 24°C (74°F) | 23°C (74°F) | 23°C (73°F) | 22°C (71°F) | 23°C (73°F) | 24°C (74°F) |
| Wind | ||||||||
| Speed | 12km/h (7mph) | 9km/h (6mph) | 8km/h (5mph) | 6km/h (4mph) | 10km/h (6mph) | 12km/h (8mph) | 9km/h (6mph) | 6km/h (4mph) |
| Gusts | 20km/h (12mph) | 16km/h (10mph) | 13km/h (8mph) | 8km/h (5mph) | 14km/h (9mph) | 20km/h (13mph) | 17km/h (11mph) | 11km/h (7mph) |
| Direction | 122° ESE | 162° SSE | 153° SSE | 98° E | 102° ESE | 118° ESE | 111° ESE | 131° SE |
| Wind chill | 27°C (81°F) | 27°C (80°F) | 28°C (82°F) | 29°C (85°F) | 30°C (86°F) | 29°C (83°F) | 28°C (82°F) | 28°C (82°F) |
| Waves | ||||||||
| Height | 0.5m (1.6ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.4m (1.3ft) | 0.5m (1.6ft) | 0.6m (2.0ft) | 0.5m (1.6ft) | 0.5m (1.6ft) |
| Direction | 169° S | 170° S | 169° S | 168° SSE | 166° SSE | 161° SSE | 155° SSE | 153° SSE |
| Period | 4.9 sec. | 4.5 sec. | 4.4 sec. | 4.7 sec. | 5.2 sec. | 5.3 sec. | 5.3 sec. | 5.3 sec. |
| Significant height | 0.9m (3ft) | 0.7m (2.3ft) | 0.6m (2ft) | 0.6m (2ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.8m (2.6ft) | 0.7m (2.3ft) |
| Sea water temperature | ||||||||
| Water temperature | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) | 30°C (86°F) |