29 (木)	01:36	07:22	12:31	19:14
	104cm	70cm	92cm	41cm
長潮 出 04:48 入 18:24 出 02:31 入 13:36

日立（茨城）2038年04月29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
4/29 00:00	96.3	↑1.5
4/29 00:10	97.6	↑1.3
4/29 00:20	98.8	↑1.2
4/29 00:30	99.9	↑1.1
4/29 00:40	100.8	↑0.9
4/29 00:50	101.5	↑0.7
4/29 01:00	102.2	↑0.7
4/29 01:10	102.6	↑0.4
4/29 01:20	103.0	↑0.4
4/29 01:30	103.1	↑0.1	満潮
4/29 01:40	103.1	0
4/29 01:50	103.0	↓-0.1
4/29 02:00	102.7	↓-0.3
4/29 02:10	102.2	↓-0.5
4/29 02:20	101.6	↓-0.6
4/29 02:30	100.8	↓-0.8
4/29 02:40	99.9	↓-0.9
4/29 02:50	98.9	↓-1.0
4/29 03:00	97.8	↓-1.1
4/29 03:10	96.6	↓-1.2
4/29 03:20	95.2	↓-1.4
4/29 03:30	93.8	↓-1.4
4/29 03:40	92.4	↓-1.4
4/29 03:50	90.9	↓-1.5
4/29 04:00	89.4	↓-1.5
4/29 04:10	87.8	↓-1.6
4/29 04:20	86.3	↓-1.5
4/29 04:30	84.8	↓-1.5
4/29 04:40	83.3	↓-1.5
4/29 04:50	81.8	↓-1.5
4/29 05:00	80.4	↓-1.4
4/29 05:10	79.1	↓-1.3
4/29 05:20	77.8	↓-1.3
4/29 05:30	76.6	↓-1.2
4/29 05:40	75.5	↓-1.1
4/29 05:50	74.5	↓-1.0
4/29 06:00	73.6	↓-0.9
4/29 06:10	72.7	↓-0.9
4/29 06:20	72.0	↓-0.7
4/29 06:30	71.4	↓-0.6
4/29 06:40	70.8	↓-0.6
4/29 06:50	70.4	↓-0.4
4/29 07:00	70.1	↓-0.3
4/29 07:10	69.9	↓-0.2
4/29 07:20	69.9	0	干潮
4/29 07:30	69.9	0
4/29 07:40	70.1	↑0.2
4/29 07:50	70.3	↑0.2
4/29 08:00	70.7	↑0.4
4/29 08:10	71.2	↑0.5
4/29 08:20	71.8	↑0.6
4/29 08:30	72.5	↑0.7
4/29 08:40	73.3	↑0.8
4/29 08:50	74.1	↑0.8
4/29 09:00	75.1	↑1.0
4/29 09:10	76.1	↑1.0
4/29 09:20	77.1	↑1.0
4/29 09:30	78.2	↑1.1
4/29 09:40	79.3	↑1.1
4/29 09:50	80.5	↑1.2
4/29 10:00	81.6	↑1.1
4/29 10:10	82.7	↑1.1
4/29 10:20	83.8	↑1.1
4/29 10:30	84.9	↑1.1
4/29 10:40	85.9	↑1.0
4/29 10:50	86.8	↑0.9
4/29 11:00	87.7	↑0.9
4/29 11:10	88.6	↑0.9
4/29 11:20	89.3	↑0.7
4/29 11:30	90.0	↑0.7
4/29 11:40	90.5	↑0.5
4/29 11:50	91.0	↑0.5
4/29 12:00	91.4	↑0.4
4/29 12:10	91.7	↑0.3
4/29 12:20	91.8	↑0.1
4/29 12:30	91.9	↑0.1	満潮
4/29 12:40	91.8	↓-0.1
4/29 12:50	91.6	↓-0.2
4/29 13:00	91.3	↓-0.3
4/29 13:10	90.9	↓-0.4
4/29 13:20	90.4	↓-0.5
4/29 13:30	89.7	↓-0.7
4/29 13:40	88.9	↓-0.8
4/29 13:50	88.0	↓-0.9
4/29 14:00	86.9	↓-1.1
4/29 14:10	85.7	↓-1.2
4/29 14:20	84.4	↓-1.3
4/29 14:30	83.0	↓-1.4
4/29 14:40	81.4	↓-1.6
4/29 14:50	79.8	↓-1.6
4/29 15:00	78.0	↓-1.8
4/29 15:10	76.2	↓-1.8
4/29 15:20	74.2	↓-2.0
4/29 15:30	72.3	↓-1.9
4/29 15:40	70.2	↓-2.1
4/29 15:50	68.1	↓-2.1
4/29 16:00	66.1	↓-2.0
4/29 16:10	64.0	↓-2.1
4/29 16:20	61.9	↓-2.1
4/29 16:30	59.9	↓-2.0
4/29 16:40	57.9	↓-2.0
4/29 16:50	55.9	↓-2.0
4/29 17:00	54.1	↓-1.8
4/29 17:10	52.3	↓-1.8
4/29 17:20	50.6	↓-1.7
4/29 17:30	49.0	↓-1.6
4/29 17:40	47.6	↓-1.4
4/29 17:50	46.3	↓-1.3
4/29 18:00	45.1	↓-1.2
4/29 18:10	44.0	↓-1.1
4/29 18:20	43.1	↓-0.9
4/29 18:30	42.3	↓-0.8
4/29 18:40	41.7	↓-0.6
4/29 18:50	41.2	↓-0.5
4/29 19:00	40.9	↓-0.3
4/29 19:10	40.8	↓-0.1	干潮
4/29 19:20	40.8	0
4/29 19:30	41.1	↑0.3
4/29 19:40	41.5	↑0.4
4/29 19:50	42.0	↑0.5
4/29 20:00	42.8	↑0.8
4/29 20:10	43.7	↑0.9
4/29 20:20	44.8	↑1.1
4/29 20:30	46.1	↑1.3
4/29 20:40	47.5	↑1.4
4/29 20:50	49.2	↑1.7
4/29 21:00	50.9	↑1.7
4/29 21:10	52.9	↑2.0
4/29 21:20	54.9	↑2.0
4/29 21:30	57.1	↑2.2
4/29 21:40	59.4	↑2.3
4/29 21:50	61.7	↑2.3
4/29 22:00	64.2	↑2.5
4/29 22:10	66.7	↑2.5
4/29 22:20	69.2	↑2.5
4/29 22:30	71.8	↑2.6	最大潮位差
4/29 22:40	74.4	↑2.6	最大潮位差
4/29 22:50	77.0	↑2.6	最大潮位差
4/29 23:00	79.5	↑2.5
4/29 23:10	82.0	↑2.5
4/29 23:20	84.5	↑2.5
4/29 23:30	86.9	↑2.4
4/29 23:40	89.2	↑2.3
4/29 23:50	91.4	↑2.2