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 05:09 AM and sunset is at 09:47 PM.

	Days 1–3 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 4–6 Weather Summary Mostly dry. Warm air temperatures (max 20°C on Thu afternoon, min 11°C on Tue night). Wind will be generally light.									Days 7–9 Weather Summary Light rain (total 4mm), mostly falling on Sat night. Warm (max 21°C on Fri afternoon, min 12°C on Sun night). Wind will be generally light.									Days 10–12 Weather Summary Light rain (total 6mm), mostly falling on Mon afternoon. Very mild (max 17°C on Wed afternoon, min 9°C on Tue night). Winds decreasing (fresh winds from the WSW on Mon morning, calm by Wed night).									Days 13–16 Weather Summary Mostly dry. Warm (max 22°C on Sun afternoon, min 12°C on Thu night). Wind will be generally light.
	Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30			Friday 31			Saturday 1			Sun 2
	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	PM
Wave Height Map See all maps
High Tide		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	12:01PM3.05m		00:10AM3.35m	12:38PM3.10m		00:45AM3.41m		1:14PM3.12m	1:19AM3.45m		1:49PM3.11m
Low Tide	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	5:42AM0.72m		5:48PM0.83m	6:19AM0.62m		6:23PM0.79m	6:55AM0.56m		6:59PM0.78m		7:30AM0.53m		7:34PM0.79m
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	clear	clear	some clouds	clear	some clouds	some clouds	some clouds	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	cloudy	light rain	cloudy	light rain	some clouds	cloudy	some clouds	some clouds	rain shwrs	some clouds	rain shwrs	rain shwrs	clear	some clouds	cloudy	light rain	some clouds	clear	clear	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear
km/h	NNW	NNW	WNW	NW	NNW	NW	NNW	NNW	WNW	NW	NW	NW	NW	NW	NW	NW	NNW	W	W	W	WSW	SSW	SSW	WSW	WSW	W	WSW	WSW	WSW	WSW	WNW	WNW	WSW	W	WSW	SW	ESE	ENE	NW	ENE	ENE	NW	NNW	NNE	NW	NNW	NNE
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2	—	2	—	—	—	—	2	—	1	2	—	—	—	1	—	—	—	—	—	—	—	—	—	—	—
max °C	17	18	13	18	18	13	17	17	13	18	18	13	18	18	14	19	20	15	20	21	16	14	16	15	17	17	14	16	16	13	15	15	12	16	17	14	16	17	15	16	18	16	18	19	16	20	22
Moonrise	10:42	—	—	12:05	—	—	1:25	—	—	2:45	—	—	—	4:05	—	—	5:23	—	—	6:37	—	—	7:41	—	—	8:30	—	—	—	9:05	—	—	9:28	—	—	9:44	—	—	9:56	—	—	10:05	—	—	10:13	—	—
Moonset	—	—	11:15	—	—	11:22	—	—	11:31	—	—	11:41	—	—	11:55	—	—	—	12:14	—	—	12:42	—	—	1:23	—	—	2:21	—	—	3:31	—	—	4:49	—	—	6:09	—	—	7:30	—	—	8:50	—	—	10:10	—
	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	—	—	5:31	—	—	5:33	—	—	5:35	—
	—	—	9:47	—	—	9:45	—	—	9:45	—	—	9:43	—	—	9:42	—	—	9:39	—	—	9:38	—	—	9:37	—	—	9:36	—	—	9:34	—	—	9:31	—	—	9:30	—	—	9:29	—	—	9:27	—	—	9:24	—	9:22
	Today's sea temperature in Belfast is 17.0° C (Statistics for 18 Jul 1981-2005 – mean: 14.4 max: 15.7 min: 13.1°C)