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Northern Ireland · UK tide gauge
THURSDAY 21 MAY 2026
EA gauge · Portrush
Next high tide at Portrush is at 12:00 (0.4 m, 23hr 46mins). Next low tide 16:00 (-0.4 m, 3hr 46mins).
Portrush tide times today · Thu 21 May
| Tide | Time (UK) | Height |
|---|---|---|
| ↓ Low | 04:00 | -0.5 m |
| ↑ High | 11:00 | 0.5 m |
| ↓ Low | 16:00 | -0.4 m |
Today's tide range at Portrush: 1.0 m
Current water height
0.49 m
Slack waterAs of 10:45 · 21 May (UK time)
Fishing conditions at Portrush
The best fishing window at Portrush over the next 10 days is Morning Wednesday 27 May, scoring 93 out of 100 from wind, tide movement, pressure and temperature.
How that 93 is reached
Today, window by window
Night
80
00:00-06:00
Morning
60
06:00-12:00
Afternoon
68
12:00-18:00
Evening
73
18:00-24:00
Best fishing times today · Portrush
Solunar feeding periods. Major periods (moon overhead and underfoot) are the strongest; minor periods fall around moonrise and moonset.
Minor period
01:41 to 02:41
Major period
04:50 to 06:50
Minor period
08:51 to 09:51
Major period
17:10 to 19:10
Tide curve · weather forecast + astronomical prediction · scroll to scrub
Prediction lines are astronomical only: they extend past the weather forecast and do not include storm surge, wind or barometric effects.
Heights calibrated to the live UK Environment Agency gauge where available, otherwise relative to local chart datum.
Add this to your site →Day-by-day breakdown
Yesterday plus the next 9 days of high and low tides, covering the full Open-Meteo tide-model horizon.
Yesterday
range 1.31 m
Today
range 0.99 m
Tomorrow
range 0.60 m
Saturday 23 May
range 1.08 m
Sunday 24 May
range 1.02 m
Monday 25 May
range 1.00 m
Tuesday 26 May
range 0.99 m
Wednesday 27 May
range 1.03 m
Thursday 28 May
range 1.02 m
Friday 29 May
range 0.99 m
Tide data from the UK Environment Agency, refreshed at most every 30 minutes. For navigation use, always cross-check official Admiralty tables.
Portrush sits on the Northern Ireland coast and follows the standard semi-diurnal tidal pattern of the British Isles - two high tides and two low tides every 24 hours and 50 minutes, with each successive high arriving about 12 hours and 25 minutes after the last. Tide range at Portrush varies between spring tides (around new and full moon, when the Sun and Moon's gravity align for the biggest range) and neap tides (around the first and last quarter, when their forces partly cancel).
The live tide-height readings on this page come from the UK Environment Agency tide gauge network: actual sensor data, not an estimate. The 10-day forecast that follows is generated by Open-Meteo's ocean model and is calibrated each hour to the latest EA gauge reading at Portrush so the numbers match what you'd see on a printed tide table. Heights are quoted in metres above local chart datum, which is the convention used in UK Admiralty tide tables.
Whether you're sea fishing, surfing, kayaking, diving, kite-flying or just walking the dog along the beach, knowing the tide times for Portrush helps you plan around safe access, the run of the current and the productive feeding windows in either side of a tide change.
Anglers fishing the Northern Ireland coast near Portrush typically cross-check the closest neighbouring gauges: Bangor tide times (~54 miles along the coast), and Portpatrick tide times (~66 miles along the coast) . Calibrated heights are pulled from the live EA gauge at 55.201°N 6.651°W.
The next high tide at Portrush is at 12:00 on Friday 22 May, reaching 0.4 metres. Heights are calibrated to the live UK Environment Agency tide gauge.
The next low tide at Portrush is at 16:00 on Thursday 21 May, dropping to -0.4 metres.
On Thursday 21 May 2026, 1 high tide at 11:00 (0.5m).
On Thursday 21 May 2026, 2 low tides at 04:00 (-0.5m) and 16:00 (-0.4m).
Today's tide range at Portrush is approximately 1.0 metres between low and high water. Spring tides typically run higher and neap tides lower; see the 14-day forecast below for the pattern.
Tide heights are pulled from the UK Environment Agency tide gauge network in real time, with a 14-day forecast modelled from Open-Meteo. The data is refreshed every hour and is free for anglers, surfers, kayakers and divers to use.
The major solunar feeding periods at Portrush today are 04:50 to 06:50 and 17:10 to 19:10, when the moon is overhead and underfoot. Minor periods fall around moonrise and moonset. Fish tend to feed most actively in these windows, so plan a session around them where the state of tide also suits.
Fishing venues near Portrush
Marks that plan around this tide gauge · tap through for target species, access notes and the best state of tide.
Nearest tide gauges to Portrush
By great-circle distance · cross-check at your closest local gauge.