01 (木)	03:05	08:34	14:00	20:48
	105cm	64cm	102cm	22cm
中潮 出 05:25 入 18:00 出 03:56 入 14:45

日立（茨城）2038年04月01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
4/1 00:00	72.1	↑3.0
4/1 00:10	74.9	↑2.8
4/1 00:20	77.8	↑2.9
4/1 00:30	80.5	↑2.7
4/1 00:40	83.2	↑2.7
4/1 00:50	85.7	↑2.5
4/1 01:00	88.1	↑2.4
4/1 01:10	90.4	↑2.3
4/1 01:20	92.6	↑2.2
4/1 01:30	94.6	↑2.0
4/1 01:40	96.5	↑1.9
4/1 01:50	98.1	↑1.6
4/1 02:00	99.6	↑1.5
4/1 02:10	100.9	↑1.3
4/1 02:20	102.0	↑1.1
4/1 02:30	102.8	↑0.8
4/1 02:40	103.5	↑0.7
4/1 02:50	103.9	↑0.4
4/1 03:00	104.1	↑0.2	満潮
4/1 03:10	104.0	↓-0.1
4/1 03:20	103.8	↓-0.2
4/1 03:30	103.3	↓-0.5
4/1 03:40	102.6	↓-0.7
4/1 03:50	101.8	↓-0.8
4/1 04:00	100.7	↓-1.1
4/1 04:10	99.5	↓-1.2
4/1 04:20	98.1	↓-1.4
4/1 04:30	96.6	↓-1.5
4/1 04:40	95.0	↓-1.6
4/1 04:50	93.2	↓-1.8
4/1 05:00	91.4	↓-1.8
4/1 05:10	89.6	↓-1.8
4/1 05:20	87.7	↓-1.9
4/1 05:30	85.7	↓-2.0
4/1 05:40	83.8	↓-1.9
4/1 05:50	81.9	↓-1.9
4/1 06:00	80.0	↓-1.9
4/1 06:10	78.2	↓-1.8
4/1 06:20	76.4	↓-1.8
4/1 06:30	74.7	↓-1.7
4/1 06:40	73.1	↓-1.6
4/1 06:50	71.5	↓-1.6
4/1 07:00	70.1	↓-1.4
4/1 07:10	68.8	↓-1.3
4/1 07:20	67.6	↓-1.2
4/1 07:30	66.5	↓-1.1
4/1 07:40	65.5	↓-1.0
4/1 07:50	64.8	↓-0.7
4/1 08:00	64.1	↓-0.7
4/1 08:10	63.6	↓-0.5
4/1 08:20	63.3	↓-0.3
4/1 08:30	63.2	↓-0.1	干潮
4/1 08:40	63.2	0
4/1 08:50	63.5	↑0.3
4/1 09:00	63.8	↑0.3
4/1 09:10	64.4	↑0.6
4/1 09:20	65.2	↑0.8
4/1 09:30	66.1	↑0.9
4/1 09:40	67.2	↑1.1
4/1 09:50	68.4	↑1.2
4/1 10:00	69.8	↑1.4
4/1 10:10	71.2	↑1.4
4/1 10:20	72.8	↑1.6
4/1 10:30	74.5	↑1.7
4/1 10:40	76.3	↑1.8
4/1 10:50	78.1	↑1.8
4/1 11:00	79.9	↑1.8
4/1 11:10	81.8	↑1.9
4/1 11:20	83.7	↑1.9
4/1 11:30	85.5	↑1.8
4/1 11:40	87.3	↑1.8
4/1 11:50	89.1	↑1.8
4/1 12:00	90.8	↑1.7
4/1 12:10	92.4	↑1.6
4/1 12:20	93.9	↑1.5
4/1 12:30	95.4	↑1.5
4/1 12:40	96.7	↑1.3
4/1 12:50	97.9	↑1.2
4/1 13:00	98.9	↑1.0
4/1 13:10	99.8	↑0.9
4/1 13:20	100.6	↑0.8
4/1 13:30	101.2	↑0.6
4/1 13:40	101.7	↑0.5
4/1 13:50	101.9	↑0.2	満潮
4/1 14:00	102.0	↑0.1	満潮
4/1 14:10	101.9	↓-0.1
4/1 14:20	101.6	↓-0.3
4/1 14:30	101.1	↓-0.5
4/1 14:40	100.3	↓-0.8
4/1 14:50	99.4	↓-0.9
4/1 15:00	98.2	↓-1.2
4/1 15:10	96.9	↓-1.3
4/1 15:20	95.3	↓-1.6
4/1 15:30	93.5	↓-1.8
4/1 15:40	91.5	↓-2.0
4/1 15:50	89.3	↓-2.2
4/1 16:00	87.0	↓-2.3
4/1 16:10	84.4	↓-2.6
4/1 16:20	81.8	↓-2.6
4/1 16:30	79.0	↓-2.8
4/1 16:40	76.0	↓-3.0
4/1 16:50	73.0	↓-3.0
4/1 17:00	69.9	↓-3.1
4/1 17:10	66.8	↓-3.1
4/1 17:20	63.7	↓-3.1
4/1 17:30	60.5	↓-3.2
4/1 17:40	57.4	↓-3.1
4/1 17:50	54.3	↓-3.1
4/1 18:00	51.2	↓-3.1
4/1 18:10	48.2	↓-3.0
4/1 18:20	45.3	↓-2.9
4/1 18:30	42.6	↓-2.7
4/1 18:40	39.9	↓-2.7
4/1 18:50	37.4	↓-2.5
4/1 19:00	35.0	↓-2.4
4/1 19:10	32.8	↓-2.2
4/1 19:20	30.8	↓-2.0
4/1 19:30	28.9	↓-1.9
4/1 19:40	27.2	↓-1.7
4/1 19:50	25.8	↓-1.4
4/1 20:00	24.5	↓-1.3
4/1 20:10	23.5	↓-1.0
4/1 20:20	22.7	↓-0.8
4/1 20:30	22.1	↓-0.6
4/1 20:40	21.8	↓-0.3	干潮
4/1 20:50	21.8	0
4/1 21:00	22.0	↑0.2
4/1 21:10	22.5	↑0.5
4/1 21:20	23.2	↑0.7
4/1 21:30	24.3	↑1.1
4/1 21:40	25.5	↑1.2
4/1 21:50	27.1	↑1.6
4/1 22:00	28.8	↑1.7
4/1 22:10	30.8	↑2.0
4/1 22:20	33.1	↑2.3
4/1 22:30	35.5	↑2.4
4/1 22:40	38.1	↑2.6
4/1 22:50	40.9	↑2.8
4/1 23:00	43.9	↑3.0
4/1 23:10	47.0	↑3.1
4/1 23:20	50.1	↑3.1
4/1 23:30	53.4	↑3.3
4/1 23:40	56.7	↑3.3
4/1 23:50	60.1	↑3.4	最大潮位差