Belfast Sea Conditions and Tide Table

Belfast Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 05:05 AM and sunset is at 09:51 PM.

	Days 1–3 Weather Summary Mostly dry. Warm air temperatures (max 23°C on Thu afternoon, min 13°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Cool air temperatures (max 18°C on Sat afternoon, min 11°C on Sat night). Wind will be generally light.									Days 7–9 Weather Summary Mostly dry. Warm (max 23°C on Thu afternoon, min 13°C on Mon night). Wind will be generally light.									Days 10–12 Weather Summary Light rain (total 5mm), mostly falling on Sat afternoon. Warm (max 21°C on Fri afternoon, min 11°C on Fri night). Wind will be generally light.									Days 13–16 Weather Summary Light rain (total 6mm), mostly falling on Mon afternoon. Very mild (max 18°C on Thu morning, min 9°C on Tue night). Wind will be generally light.
	Wednesday 15			Thursday 16			Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thu 30
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM
Wave Height Map See all maps
High Tide	12:33PM3.42m		00:46AM3.77m		1:22PM3.42m	1:34AM3.80m		2:10PM3.36m	2:21AM3.75m		2:57PM3.26m	3:08AM3.64m		3:44PM3.13m	3:55AM3.47m		4:32PM3.00m	4:45AM3.27m		5:23PM2.88m	5:38AM3.07m		6:18PM2.80m	6:36AM2.91m			7:18PM2.78m	7:40AM2.81m		8:20PM2.81m	8:44AM2.78m		9:17PM2.90m	9:44AM2.82m		10:09PM3.02m	10:35AM2.89m		10:53PM3.15m	11:20AM2.98m		11:33PM3.26m
Low Tide		6:24PM0.45m		7:01AM0.14m		7:11PM0.46m	7:50AM0.17m		7:58PM0.53m	8:38AM0.27m		8:45PM0.64m	9:26AM0.42m		9:33PM0.78m	10:16AM0.61m		10:23PM0.93m	11:08AM0.80m		11:19PM1.07m	12:03PM0.96m		00:22AM1.17m		1:01PM1.07m	1:28AM1.21m		2:00PM1.11m	2:32AM1.17m		2:55PM1.09m	3:29AM1.08m		3:45PM1.04m	4:18AM0.96m		4:29PM0.96m	5:02AM0.83m		5:10PM0.89m
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	clear	clear	clear	clear	clear	some clouds	clear	some clouds	clear	clear	clear	some clouds	clear	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	some clouds	some clouds	some clouds	rain shwrs	some clouds	rain shwrs	rain shwrs	some clouds	light rain	light rain	clear	some clouds	clear	clear	cloudy	cloudy	light rain	cloudy
km/h	E	E	N	NNE	NNE	NW	NW	NNW	NW	NW	NNW	W	NW	NNW	WNW	NW	NNW	WNW	NW	NNW	WNW	NNW	N	W	WSW	WSW	W	W	W	WSW	SW	SW	SW	WSW	W	WSW	W	W	W	WNW	NW	WSW	SW	S	SSW	SW
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2	—	1	2	—	1	3	—	—	—	—	—	—	2	—
max °C	19	21	21	21	23	21	20	21	14	16	18	14	18	18	13	16	18	15	19	20	15	20	21	17	21	23	20	19	21	14	16	18	13	16	17	13	16	17	12	16	16	12	17	16	15	18
Moonrise	6:06	—	—	7:43	—	—	9:16	—	—	10:42	—	—	12:05	—	—	1:25	—	—	2:45	—	—	—	4:05	—	—	5:23	—	—	6:37	—	—	7:41	—	—	8:30	—	—	—	9:05	—	—	9:28	—	—	9:44	—
Moonset	—	—	10:44	—	—	10:57	—	—	11:06	—	—	11:15	—	—	11:22	—	—	11:31	—	—	11:41	—	—	11:55	—	—	—	12:14	—	—	12:42	—	—	1:23	—	—	2:21	—	—	3:31	—	—	4:49	—	—	6:09
	5:05	—	—	5:07	—	—	5:09	—	—	5:09	—	—	5:11	—	—	5:13	—	—	5:15	—	—	5:16	—	—	5:18	—	—	5:18	—	—	5:20	—	—	5:22	—	—	5:24	—	—	5:26	—	—	5:28	—	—	5:28
	—	—	9:51	—	—	9:50	—	—	9:49	—	—	9:47	—	—	9:45	—	—	9:45	—	—	9:43	—	—	9:42	—	—	9:39	—	—	9:38	—	—	9:37	—	—	9:36	—	—	9:34	—	—	9:31	—	—	9:30	—
	Today's sea temperature in Belfast is 16.3° C (Statistics for 15 Jul 1981-2005 – mean: 14.2 max: 15.1 min: 13.0°C)