4 (木)	04:12	09:25	14:53	21:52
	109cm	65cm	116cm	5cm
大潮 出 06:05 入 17:36 出 05:18 入 15:53

日立（茨城）2038年03月4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
3/4 00:00	42.5	↑3.7
3/4 00:10	46.3	↑3.8
3/4 00:20	50.1	↑3.8
3/4 00:30	53.9	↑3.8
3/4 00:40	57.7	↑3.8
3/4 00:50	61.6	↑3.9
3/4 01:00	65.4	↑3.8
3/4 01:10	69.1	↑3.7
3/4 01:20	72.8	↑3.7
3/4 01:30	76.3	↑3.5
3/4 01:40	79.8	↑3.5
3/4 01:50	83.2	↑3.4
3/4 02:00	86.4	↑3.2
3/4 02:10	89.4	↑3.0
3/4 02:20	92.3	↑2.9
3/4 02:30	95.0	↑2.7
3/4 02:40	97.5	↑2.5
3/4 02:50	99.8	↑2.3
3/4 03:00	101.9	↑2.1
3/4 03:10	103.7	↑1.8
3/4 03:20	105.2	↑1.5
3/4 03:30	106.5	↑1.3
3/4 03:40	107.5	↑1.0
3/4 03:50	108.2	↑0.7
3/4 04:00	108.7	↑0.5
3/4 04:10	108.8	↑0.1	満潮
3/4 04:20	108.7	↓-0.1
3/4 04:30	108.4	↓-0.3
3/4 04:40	107.7	↓-0.7
3/4 04:50	106.9	↓-0.8
3/4 05:00	105.8	↓-1.1
3/4 05:10	104.5	↓-1.3
3/4 05:20	102.9	↓-1.6
3/4 05:30	101.3	↓-1.6
3/4 05:40	99.5	↓-1.8
3/4 05:50	97.5	↓-2.0
3/4 06:00	95.5	↓-2.0
3/4 06:10	93.4	↓-2.1
3/4 06:20	91.2	↓-2.2
3/4 06:30	89.0	↓-2.2
3/4 06:40	86.8	↓-2.2
3/4 06:50	84.6	↓-2.2
3/4 07:00	82.5	↓-2.1
3/4 07:10	80.4	↓-2.1
3/4 07:20	78.3	↓-2.1
3/4 07:30	76.4	↓-1.9
3/4 07:40	74.5	↓-1.9
3/4 07:50	72.8	↓-1.7
3/4 08:00	71.1	↓-1.7
3/4 08:10	69.6	↓-1.5
3/4 08:20	68.3	↓-1.3
3/4 08:30	67.1	↓-1.2
3/4 08:40	66.1	↓-1.0
3/4 08:50	65.3	↓-0.8
3/4 09:00	64.7	↓-0.6
3/4 09:10	64.3	↓-0.4
3/4 09:20	64.1	↓-0.2	干潮
3/4 09:30	64.1	0
3/4 09:40	64.3	↑0.2
3/4 09:50	64.8	↑0.5
3/4 10:00	65.5	↑0.7
3/4 10:10	66.4	↑0.9
3/4 10:20	67.5	↑1.1
3/4 10:30	68.8	↑1.3
3/4 10:40	70.4	↑1.6
3/4 10:50	72.1	↑1.7
3/4 11:00	74.0	↑1.9
3/4 11:10	76.0	↑2.0
3/4 11:20	78.2	↑2.2
3/4 11:30	80.5	↑2.3
3/4 11:40	82.8	↑2.3
3/4 11:50	85.3	↑2.5
3/4 12:00	87.7	↑2.4
3/4 12:10	90.2	↑2.5
3/4 12:20	92.6	↑2.4
3/4 12:30	95.0	↑2.4
3/4 12:40	97.4	↑2.4
3/4 12:50	99.7	↑2.3
3/4 13:00	101.9	↑2.2
3/4 13:10	103.9	↑2.0
3/4 13:20	105.9	↑2.0
3/4 13:30	107.7	↑1.8
3/4 13:40	109.3	↑1.6
3/4 13:50	110.8	↑1.5
3/4 14:00	112.0	↑1.2
3/4 14:10	113.1	↑1.1
3/4 14:20	114.0	↑0.9
3/4 14:30	114.6	↑0.6
3/4 14:40	115.0	↑0.4
3/4 14:50	115.2	↑0.2	満潮
3/4 15:00	115.1	↓-0.1
3/4 15:10	114.8	↓-0.3
3/4 15:20	114.1	↓-0.7
3/4 15:30	113.3	↓-0.8
3/4 15:40	112.1	↓-1.2
3/4 15:50	110.7	↓-1.4
3/4 16:00	109.0	↓-1.7
3/4 16:10	107.0	↓-2.0
3/4 16:20	104.7	↓-2.3
3/4 16:30	102.2	↓-2.5
3/4 16:40	99.4	↓-2.8
3/4 16:50	96.4	↓-3.0
3/4 17:00	93.1	↓-3.3
3/4 17:10	89.6	↓-3.5
3/4 17:20	86.0	↓-3.6
3/4 17:30	82.2	↓-3.8
3/4 17:40	78.2	↓-4.0
3/4 17:50	74.2	↓-4.0
3/4 18:00	70.0	↓-4.2
3/4 18:10	65.9	↓-4.1
3/4 18:20	61.6	↓-4.3	最大潮位差
3/4 18:30	57.4	↓-4.2
3/4 18:40	53.2	↓-4.2
3/4 18:50	49.1	↓-4.1
3/4 19:00	45.0	↓-4.1
3/4 19:10	41.0	↓-4.0
3/4 19:20	37.2	↓-3.8
3/4 19:30	33.5	↓-3.7
3/4 19:40	29.9	↓-3.6
3/4 19:50	26.5	↓-3.4
3/4 20:00	23.3	↓-3.2
3/4 20:10	20.3	↓-3.0
3/4 20:20	17.6	↓-2.7
3/4 20:30	15.0	↓-2.6
3/4 20:40	12.7	↓-2.3
3/4 20:50	10.7	↓-2.0
3/4 21:00	9.0	↓-1.7
3/4 21:10	7.5	↓-1.5
3/4 21:20	6.3	↓-1.2
3/4 21:30	5.5	↓-0.8
3/4 21:40	4.9	↓-0.6
3/4 21:50	4.7	↓-0.2	干潮
3/4 22:00	4.9	↑0.2
3/4 22:10	5.3	↑0.4
3/4 22:20	6.1	↑0.8
3/4 22:30	7.2	↑1.1
3/4 22:40	8.7	↑1.5
3/4 22:50	10.5	↑1.8
3/4 23:00	12.6	↑2.1
3/4 23:10	14.9	↑2.3
3/4 23:20	17.6	↑2.7
3/4 23:30	20.5	↑2.9
3/4 23:40	23.7	↑3.2
3/4 23:50	27.1	↑3.4