18 (木)	03:23	08:33	13:33	20:44
	107cm	77cm	108cm	6cm
中潮 出 05:45 入 17:49 出 14:27 入 03:54

日立（茨城）2038年03月18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
3/18 00:00	70.0	↑3.2
3/18 00:10	73.2	↑3.2
3/18 00:20	76.3	↑3.1
3/18 00:30	79.3	↑3.0
3/18 00:40	82.1	↑2.8
3/18 00:50	84.9	↑2.8
3/18 01:00	87.5	↑2.6
3/18 01:10	90.0	↑2.5
3/18 01:20	92.4	↑2.4
3/18 01:30	94.6	↑2.2
3/18 01:40	96.6	↑2.0
3/18 01:50	98.5	↑1.9
3/18 02:00	100.2	↑1.7
3/18 02:10	101.7	↑1.5
3/18 02:20	103.1	↑1.4
3/18 02:30	104.2	↑1.1
3/18 02:40	105.2	↑1.0
3/18 02:50	105.9	↑0.7
3/18 03:00	106.5	↑0.6
3/18 03:10	106.8	↑0.3
3/18 03:20	107.0	↑0.2	満潮
3/18 03:30	106.9	↓-0.1
3/18 03:40	106.7	↓-0.2
3/18 03:50	106.3	↓-0.4
3/18 04:00	105.6	↓-0.7
3/18 04:10	104.9	↓-0.7
3/18 04:20	103.9	↓-1.0
3/18 04:30	102.8	↓-1.1
3/18 04:40	101.6	↓-1.2
3/18 04:50	100.3	↓-1.3
3/18 05:00	99.0	↓-1.3
3/18 05:10	97.5	↓-1.5
3/18 05:20	96.0	↓-1.5
3/18 05:30	94.5	↓-1.5
3/18 05:40	92.9	↓-1.6
3/18 05:50	91.4	↓-1.5
3/18 06:00	89.9	↓-1.5
3/18 06:10	88.4	↓-1.5
3/18 06:20	86.9	↓-1.5
3/18 06:30	85.6	↓-1.3
3/18 06:40	84.3	↓-1.3
3/18 06:50	83.0	↓-1.3
3/18 07:00	81.9	↓-1.1
3/18 07:10	80.9	↓-1.0
3/18 07:20	79.9	↓-1.0
3/18 07:30	79.1	↓-0.8
3/18 07:40	78.4	↓-0.7
3/18 07:50	77.8	↓-0.6
3/18 08:00	77.3	↓-0.5
3/18 08:10	76.9	↓-0.4
3/18 08:20	76.7	↓-0.2
3/18 08:30	76.6	↓-0.1	干潮
3/18 08:40	76.7	↑0.1
3/18 08:50	76.8	↑0.1
3/18 09:00	77.2	↑0.4
3/18 09:10	77.7	↑0.5
3/18 09:20	78.3	↑0.6
3/18 09:30	79.0	↑0.7
3/18 09:40	80.0	↑1.0
3/18 09:50	81.0	↑1.0
3/18 10:00	82.2	↑1.2
3/18 10:10	83.4	↑1.2
3/18 10:20	84.8	↑1.4
3/18 10:30	86.3	↑1.5
3/18 10:40	87.8	↑1.5
3/18 10:50	89.4	↑1.6
3/18 11:00	91.0	↑1.6
3/18 11:10	92.6	↑1.6
3/18 11:20	94.3	↑1.7
3/18 11:30	95.9	↑1.6
3/18 11:40	97.5	↑1.6
3/18 11:50	99.0	↑1.5
3/18 12:00	100.4	↑1.4
3/18 12:10	101.7	↑1.3
3/18 12:20	102.9	↑1.2
3/18 12:30	104.0	↑1.1
3/18 12:40	105.0	↑1.0
3/18 12:50	105.8	↑0.8
3/18 13:00	106.5	↑0.7
3/18 13:10	106.9	↑0.4
3/18 13:20	107.3	↑0.4
3/18 13:30	107.4	↑0.1	満潮
3/18 13:40	107.3	↓-0.1
3/18 13:50	107.1	↓-0.2
3/18 14:00	106.6	↓-0.5
3/18 14:10	106.0	↓-0.6
3/18 14:20	105.1	↓-0.9
3/18 14:30	104.0	↓-1.1
3/18 14:40	102.8	↓-1.2
3/18 14:50	101.2	↓-1.6
3/18 15:00	99.5	↓-1.7
3/18 15:10	97.5	↓-2.0
3/18 15:20	95.4	↓-2.1
3/18 15:30	93.0	↓-2.4
3/18 15:40	90.4	↓-2.6
3/18 15:50	87.5	↓-2.9
3/18 16:00	84.5	↓-3.0
3/18 16:10	81.3	↓-3.2
3/18 16:20	77.9	↓-3.4
3/18 16:30	74.4	↓-3.5
3/18 16:40	70.8	↓-3.6
3/18 16:50	67.0	↓-3.8
3/18 17:00	63.2	↓-3.8
3/18 17:10	59.3	↓-3.9
3/18 17:20	55.4	↓-3.9
3/18 17:30	51.5	↓-3.9
3/18 17:40	47.6	↓-3.9
3/18 17:50	43.7	↓-3.9
3/18 18:00	39.9	↓-3.8
3/18 18:10	36.3	↓-3.6
3/18 18:20	32.7	↓-3.6
3/18 18:30	29.3	↓-3.4
3/18 18:40	26.1	↓-3.2
3/18 18:50	23.0	↓-3.1
3/18 19:00	20.2	↓-2.8
3/18 19:10	17.5	↓-2.7
3/18 19:20	15.1	↓-2.4
3/18 19:30	13.0	↓-2.1
3/18 19:40	11.0	↓-2.0
3/18 19:50	9.4	↓-1.6
3/18 20:00	8.0	↓-1.4
3/18 20:10	6.9	↓-1.1
3/18 20:20	6.0	↓-0.9
3/18 20:30	5.5	↓-0.5
3/18 20:40	5.3	↓-0.2	干潮
3/18 20:50	5.3	0
3/18 21:00	5.7	↑0.4
3/18 21:10	6.3	↑0.6
3/18 21:20	7.3	↑1.0
3/18 21:30	8.5	↑1.2
3/18 21:40	10.1	↑1.6
3/18 21:50	11.9	↑1.8
3/18 22:00	14.1	↑2.2
3/18 22:10	16.5	↑2.4
3/18 22:20	19.1	↑2.6
3/18 22:30	22.1	↑3.0
3/18 22:40	25.2	↑3.1
3/18 22:50	28.5	↑3.3
3/18 23:00	32.0	↑3.5
3/18 23:10	35.7	↑3.7
3/18 23:20	39.5	↑3.8
3/18 23:30	43.4	↑3.9
3/18 23:40	47.4	↑4.0	最大潮位差
3/18 23:50	51.4	↑4.0	最大潮位差