5 (火)	05:57	11:38	17:24	23:52
	123cm	44cm	126cm	18cm
中潮 出 06:36 入 17:09 出 07:38 入 19:55

日立（茨城）2030年02月5日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/5 00:00	9.2	↑1.1
2/5 00:10	10.8	↑1.6
2/5 00:20	12.7	↑1.9
2/5 00:30	14.9	↑2.2
2/5 00:40	17.5	↑2.6
2/5 00:50	20.4	↑2.9
2/5 01:00	23.6	↑3.2
2/5 01:10	27.1	↑3.5
2/5 01:20	30.9	↑3.8
2/5 01:30	34.9	↑4.0
2/5 01:40	39.0	↑4.1
2/5 01:50	43.4	↑4.4
2/5 02:00	47.8	↑4.4
2/5 02:10	52.4	↑4.6
2/5 02:20	57.0	↑4.6
2/5 02:30	61.7	↑4.7	最大潮位差
2/5 02:40	66.3	↑4.6
2/5 02:50	71.0	↑4.7	最大潮位差
2/5 03:00	75.5	↑4.5
2/5 03:10	80.0	↑4.5
2/5 03:20	84.4	↑4.4
2/5 03:30	88.6	↑4.2
2/5 03:40	92.6	↑4.0
2/5 03:50	96.5	↑3.9
2/5 04:00	100.2	↑3.7
2/5 04:10	103.6	↑3.4
2/5 04:20	106.8	↑3.2
2/5 04:30	109.7	↑2.9
2/5 04:40	112.4	↑2.7
2/5 04:50	114.7	↑2.3
2/5 05:00	116.8	↑2.1
2/5 05:10	118.5	↑1.7
2/5 05:20	120.0	↑1.5
2/5 05:30	121.0	↑1.0
2/5 05:40	121.8	↑0.8
2/5 05:50	122.2	↑0.4	満潮
2/5 06:00	122.2	0
2/5 06:10	121.9	↓-0.3
2/5 06:20	121.2	↓-0.7
2/5 06:30	120.2	↓-1.0
2/5 06:40	118.8	↓-1.4
2/5 06:50	117.1	↓-1.7
2/5 07:00	115.1	↓-2.0
2/5 07:10	112.8	↓-2.3
2/5 07:20	110.3	↓-2.5
2/5 07:30	107.5	↓-2.8
2/5 07:40	104.5	↓-3.0
2/5 07:50	101.3	↓-3.2
2/5 08:00	97.9	↓-3.4
2/5 08:10	94.5	↓-3.4
2/5 08:20	90.9	↓-3.6
2/5 08:30	87.3	↓-3.6
2/5 08:40	83.7	↓-3.6
2/5 08:50	80.1	↓-3.6
2/5 09:00	76.5	↓-3.6
2/5 09:10	73.0	↓-3.5
2/5 09:20	69.5	↓-3.5
2/5 09:30	66.2	↓-3.3
2/5 09:40	63.1	↓-3.1
2/5 09:50	60.1	↓-3.0
2/5 10:00	57.3	↓-2.8
2/5 10:10	54.7	↓-2.6
2/5 10:20	52.4	↓-2.3
2/5 10:30	50.2	↓-2.2
2/5 10:40	48.4	↓-1.8
2/5 10:50	46.8	↓-1.6
2/5 11:00	45.5	↓-1.3
2/5 11:10	44.5	↓-1.0
2/5 11:20	43.8	↓-0.7
2/5 11:30	43.4	↓-0.4	干潮
2/5 11:40	43.3	↓-0.1
2/5 11:50	43.6	↑0.3
2/5 12:00	44.2	↑0.6
2/5 12:10	45.1	↑0.9
2/5 12:20	46.4	↑1.3
2/5 12:30	48.0	↑1.6
2/5 12:40	49.8	↑1.8
2/5 12:50	52.0	↑2.2
2/5 13:00	54.5	↑2.5
2/5 13:10	57.2	↑2.7
2/5 13:20	60.2	↑3.0
2/5 13:30	63.3	↑3.1
2/5 13:40	66.7	↑3.4
2/5 13:50	70.2	↑3.5
2/5 14:00	73.9	↑3.7
2/5 14:10	77.6	↑3.7
2/5 14:20	81.4	↑3.8
2/5 14:30	85.2	↑3.8
2/5 14:40	89.0	↑3.8
2/5 14:50	92.7	↑3.7
2/5 15:00	96.4	↑3.7
2/5 15:10	99.9	↑3.5
2/5 15:20	103.3	↑3.4
2/5 15:30	106.6	↑3.3
2/5 15:40	109.6	↑3.0
2/5 15:50	112.5	↑2.9
2/5 16:00	115.1	↑2.6
2/5 16:10	117.4	↑2.3
2/5 16:20	119.5	↑2.1
2/5 16:30	121.3	↑1.8
2/5 16:40	122.9	↑1.6
2/5 16:50	124.1	↑1.2
2/5 17:00	125.0	↑0.9
2/5 17:10	125.6	↑0.6
2/5 17:20	125.8	↑0.2	満潮
2/5 17:30	125.8	0
2/5 17:40	125.3	↓-0.5
2/5 17:50	124.6	↓-0.7
2/5 18:00	123.5	↓-1.1
2/5 18:10	122.0	↓-1.5
2/5 18:20	120.3	↓-1.7
2/5 18:30	118.2	↓-2.1
2/5 18:40	115.8	↓-2.4
2/5 18:50	113.0	↓-2.8
2/5 19:00	110.0	↓-3.0
2/5 19:10	106.7	↓-3.3
2/5 19:20	103.2	↓-3.5
2/5 19:30	99.5	↓-3.7
2/5 19:40	95.5	↓-4.0
2/5 19:50	91.4	↓-4.1
2/5 20:00	87.2	↓-4.2
2/5 20:10	82.8	↓-4.4
2/5 20:20	78.4	↓-4.4
2/5 20:30	73.9	↓-4.5
2/5 20:40	69.4	↓-4.5
2/5 20:50	65.0	↓-4.4
2/5 21:00	60.6	↓-4.4
2/5 21:10	56.3	↓-4.3
2/5 21:20	52.1	↓-4.2
2/5 21:30	48.0	↓-4.1
2/5 21:40	44.1	↓-3.9
2/5 21:50	40.4	↓-3.7
2/5 22:00	37.0	↓-3.4
2/5 22:10	33.7	↓-3.3
2/5 22:20	30.7	↓-3.0
2/5 22:30	28.0	↓-2.7
2/5 22:40	25.5	↓-2.5
2/5 22:50	23.3	↓-2.2
2/5 23:00	21.5	↓-1.8
2/5 23:10	19.9	↓-1.6
2/5 23:20	18.7	↓-1.2
2/5 23:30	17.8	↓-0.9
2/5 23:40	17.2	↓-0.6
2/5 23:50	17.0	↓-0.2	干潮