5 (土)	00:09	00:31	08:39	17:39
	82cm	82cm	118cm	30cm
長潮 出 06:37 入 17:08 出 11:14 入 01:25

日立（茨城）2028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	81.7	0	満潮
2/5 00:10	81.7	0
2/5 00:20	81.7	0
2/5 00:30	81.7	0	干潮
2/5 00:40	81.7	0
2/5 00:50	81.7	0
2/5 01:00	81.8	↑0.1
2/5 01:10	81.8	0
2/5 01:20	81.9	↑0.1
2/5 01:30	82.0	↑0.1
2/5 01:40	82.1	↑0.1
2/5 01:50	82.3	↑0.2
2/5 02:00	82.5	↑0.2
2/5 02:10	82.8	↑0.3
2/5 02:20	83.1	↑0.3
2/5 02:30	83.4	↑0.3
2/5 02:40	83.8	↑0.4
2/5 02:50	84.3	↑0.5
2/5 03:00	84.8	↑0.5
2/5 03:10	85.4	↑0.6
2/5 03:20	86.1	↑0.7
2/5 03:30	86.8	↑0.7
2/5 03:40	87.6	↑0.8
2/5 03:50	88.5	↑0.9
2/5 04:00	89.5	↑1.0
2/5 04:10	90.5	↑1.0
2/5 04:20	91.6	↑1.1
2/5 04:30	92.8	↑1.2
2/5 04:40	94.0	↑1.2
2/5 04:50	95.3	↑1.3
2/5 05:00	96.6	↑1.3
2/5 05:10	97.9	↑1.3
2/5 05:20	99.3	↑1.4
2/5 05:30	100.7	↑1.4
2/5 05:40	102.1	↑1.4
2/5 05:50	103.5	↑1.4
2/5 06:00	104.8	↑1.3
2/5 06:10	106.2	↑1.4
2/5 06:20	107.5	↑1.3
2/5 06:30	108.7	↑1.2
2/5 06:40	109.9	↑1.2
2/5 06:50	111.1	↑1.2
2/5 07:00	112.1	↑1.0
2/5 07:10	113.1	↑1.0
2/5 07:20	114.0	↑0.9
2/5 07:30	114.8	↑0.8
2/5 07:40	115.5	↑0.7
2/5 07:50	116.2	↑0.7
2/5 08:00	116.7	↑0.5
2/5 08:10	117.1	↑0.4
2/5 08:20	117.3	↑0.2
2/5 08:30	117.5	↑0.2	満潮
2/5 08:40	117.5	0
2/5 08:50	117.4	↓-0.1
2/5 09:00	117.2	↓-0.2
2/5 09:10	116.9	↓-0.3
2/5 09:20	116.4	↓-0.5
2/5 09:30	115.8	↓-0.6
2/5 09:40	115.0	↓-0.8
2/5 09:50	114.1	↓-0.9
2/5 10:00	113.1	↓-1.0
2/5 10:10	111.9	↓-1.2
2/5 10:20	110.6	↓-1.3
2/5 10:30	109.1	↓-1.5
2/5 10:40	107.5	↓-1.6
2/5 10:50	105.9	↓-1.6
2/5 11:00	104.0	↓-1.9
2/5 11:10	102.1	↓-1.9
2/5 11:20	100.1	↓-2.0
2/5 11:30	98.0	↓-2.1
2/5 11:40	95.9	↓-2.1
2/5 11:50	93.6	↓-2.3
2/5 12:00	91.3	↓-2.3
2/5 12:10	89.0	↓-2.3
2/5 12:20	86.6	↓-2.4
2/5 12:30	84.1	↓-2.5	最大潮位差
2/5 12:40	81.7	↓-2.4
2/5 12:50	79.2	↓-2.5	最大潮位差
2/5 13:00	76.7	↓-2.5	最大潮位差
2/5 13:10	74.2	↓-2.5	最大潮位差
2/5 13:20	71.7	↓-2.5	最大潮位差
2/5 13:30	69.2	↓-2.5	最大潮位差
2/5 13:40	66.7	↓-2.5	最大潮位差
2/5 13:50	64.2	↓-2.5	最大潮位差
2/5 14:00	61.7	↓-2.5	最大潮位差
2/5 14:10	59.3	↓-2.4
2/5 14:20	56.9	↓-2.4
2/5 14:30	54.5	↓-2.4
2/5 14:40	52.2	↓-2.3
2/5 14:50	50.0	↓-2.2
2/5 15:00	47.8	↓-2.2
2/5 15:10	45.7	↓-2.1
2/5 15:20	43.7	↓-2.0
2/5 15:30	41.8	↓-1.9
2/5 15:40	40.0	↓-1.8
2/5 15:50	38.4	↓-1.6
2/5 16:00	36.8	↓-1.6
2/5 16:10	35.4	↓-1.4
2/5 16:20	34.1	↓-1.3
2/5 16:30	33.0	↓-1.1
2/5 16:40	32.1	↓-0.9
2/5 16:50	31.2	↓-0.9
2/5 17:00	30.6	↓-0.6
2/5 17:10	30.1	↓-0.5
2/5 17:20	29.7	↓-0.4
2/5 17:30	29.5	↓-0.2	干潮
2/5 17:40	29.5	0
2/5 17:50	29.6	↑0.1
2/5 18:00	29.8	↑0.2
2/5 18:10	30.2	↑0.4
2/5 18:20	30.7	↑0.5
2/5 18:30	31.3	↑0.6
2/5 18:40	32.1	↑0.8
2/5 18:50	33.0	↑0.9
2/5 19:00	34.0	↑1.0
2/5 19:10	35.0	↑1.0
2/5 19:20	36.2	↑1.2
2/5 19:30	37.5	↑1.3
2/5 19:40	38.9	↑1.4
2/5 19:50	40.4	↑1.5
2/5 20:00	41.9	↑1.5
2/5 20:10	43.5	↑1.6
2/5 20:20	45.2	↑1.7
2/5 20:30	46.9	↑1.7
2/5 20:40	48.7	↑1.8
2/5 20:50	50.5	↑1.8
2/5 21:00	52.4	↑1.9
2/5 21:10	54.2	↑1.8
2/5 21:20	56.1	↑1.9
2/5 21:30	58.0	↑1.9
2/5 21:40	59.9	↑1.9
2/5 21:50	61.8	↑1.9
2/5 22:00	63.6	↑1.8
2/5 22:10	65.4	↑1.8
2/5 22:20	67.1	↑1.7
2/5 22:30	68.8	↑1.7
2/5 22:40	70.5	↑1.7
2/5 22:50	72.1	↑1.6
2/5 23:00	73.6	↑1.5
2/5 23:10	75.1	↑1.5
2/5 23:20	76.5	↑1.4
2/5 23:30	77.9	↑1.4
2/5 23:40	79.1	↑1.2
2/5 23:50	80.4	↑1.3