5 (日)	11:43	04:22	23:43	18:11
	116cm	60cm	98cm	74cm
長潮 出 06:34 入 16:24 出 13:10 入 00:13

日立（茨城）2038年12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
12/5 00:00	88.3	↓-1.2
12/5 00:10	86.9	↓-1.4
12/5 00:20	85.6	↓-1.3
12/5 00:30	84.2	↓-1.4
12/5 00:40	82.8	↓-1.4
12/5 00:50	81.3	↓-1.5
12/5 01:00	79.9	↓-1.4
12/5 01:10	78.4	↓-1.5
12/5 01:20	76.9	↓-1.5
12/5 01:30	75.5	↓-1.4
12/5 01:40	74.0	↓-1.5
12/5 01:50	72.6	↓-1.4
12/5 02:00	71.2	↓-1.4
12/5 02:10	69.8	↓-1.4
12/5 02:20	68.5	↓-1.3
12/5 02:30	67.2	↓-1.3
12/5 02:40	66.0	↓-1.2
12/5 02:50	64.8	↓-1.2
12/5 03:00	63.8	↓-1.0
12/5 03:10	62.8	↓-1.0
12/5 03:20	62.0	↓-0.8
12/5 03:30	61.3	↓-0.7
12/5 03:40	60.6	↓-0.7
12/5 03:50	60.2	↓-0.4
12/5 04:00	59.8	↓-0.4
12/5 04:10	59.6	↓-0.2
12/5 04:20	59.5	↓-0.1	干潮
12/5 04:30	59.5	0
12/5 04:40	59.7	↑0.2
12/5 04:50	60.1	↑0.4
12/5 05:00	60.5	↑0.4
12/5 05:10	61.1	↑0.6
12/5 05:20	61.9	↑0.8
12/5 05:30	62.7	↑0.8
12/5 05:40	63.7	↑1.0
12/5 05:50	64.8	↑1.1
12/5 06:00	66.0	↑1.2
12/5 06:10	67.3	↑1.3
12/5 06:20	68.7	↑1.4
12/5 06:30	70.2	↑1.5
12/5 06:40	71.8	↑1.6
12/5 06:50	73.5	↑1.7
12/5 07:00	75.2	↑1.7
12/5 07:10	77.1	↑1.9
12/5 07:20	78.9	↑1.8
12/5 07:30	80.8	↑1.9
12/5 07:40	82.8	↑2.0
12/5 07:50	84.8	↑2.0
12/5 08:00	86.8	↑2.0
12/5 08:10	88.8	↑2.0
12/5 08:20	90.9	↑2.1	最大潮位差
12/5 08:30	92.9	↑2.0
12/5 08:40	94.9	↑2.0
12/5 08:50	96.8	↑1.9
12/5 09:00	98.8	↑2.0
12/5 09:10	100.6	↑1.8
12/5 09:20	102.4	↑1.8
12/5 09:30	104.1	↑1.7
12/5 09:40	105.7	↑1.6
12/5 09:50	107.2	↑1.5
12/5 10:00	108.7	↑1.5
12/5 10:10	109.9	↑1.2
12/5 10:20	111.1	↑1.2
12/5 10:30	112.2	↑1.1
12/5 10:40	113.1	↑0.9
12/5 10:50	113.9	↑0.8
12/5 11:00	114.5	↑0.6
12/5 11:10	115.1	↑0.6
12/5 11:20	115.4	↑0.3
12/5 11:30	115.7	↑0.3
12/5 11:40	115.8	↑0.1	満潮
12/5 11:50	115.7	↓-0.1
12/5 12:00	115.6	↓-0.1
12/5 12:10	115.2	↓-0.4
12/5 12:20	114.8	↓-0.4
12/5 12:30	114.2	↓-0.6
12/5 12:40	113.5	↓-0.7
12/5 12:50	112.7	↓-0.8
12/5 13:00	111.7	↓-1.0
12/5 13:10	110.7	↓-1.0
12/5 13:20	109.5	↓-1.2
12/5 13:30	108.2	↓-1.3
12/5 13:40	106.8	↓-1.4
12/5 13:50	105.3	↓-1.5
12/5 14:00	103.8	↓-1.5
12/5 14:10	102.1	↓-1.7
12/5 14:20	100.4	↓-1.7
12/5 14:30	98.7	↓-1.7
12/5 14:40	96.9	↓-1.8
12/5 14:50	95.1	↓-1.8
12/5 15:00	93.4	↓-1.7
12/5 15:10	91.6	↓-1.8
12/5 15:20	89.8	↓-1.8
12/5 15:30	88.1	↓-1.7
12/5 15:40	86.4	↓-1.7
12/5 15:50	84.8	↓-1.6
12/5 16:00	83.3	↓-1.5
12/5 16:10	81.9	↓-1.4
12/5 16:20	80.5	↓-1.4
12/5 16:30	79.3	↓-1.2
12/5 16:40	78.1	↓-1.2
12/5 16:50	77.1	↓-1.0
12/5 17:00	76.2	↓-0.9
12/5 17:10	75.4	↓-0.8
12/5 17:20	74.8	↓-0.6
12/5 17:30	74.2	↓-0.6
12/5 17:40	73.8	↓-0.4
12/5 17:50	73.5	↓-0.3
12/5 18:00	73.3	↓-0.2
12/5 18:10	73.3	0	干潮
12/5 18:20	73.3	0
12/5 18:30	73.5	↑0.2
12/5 18:40	73.8	↑0.3
12/5 18:50	74.2	↑0.4
12/5 19:00	74.6	↑0.4
12/5 19:10	75.2	↑0.6
12/5 19:20	75.9	↑0.7
12/5 19:30	76.6	↑0.7
12/5 19:40	77.5	↑0.9
12/5 19:50	78.4	↑0.9
12/5 20:00	79.3	↑0.9
12/5 20:10	80.4	↑1.1
12/5 20:20	81.4	↑1.0
12/5 20:30	82.5	↑1.1
12/5 20:40	83.7	↑1.2
12/5 20:50	84.8	↑1.1
12/5 21:00	86.0	↑1.2
12/5 21:10	87.1	↑1.1
12/5 21:20	88.2	↑1.1
12/5 21:30	89.3	↑1.1
12/5 21:40	90.3	↑1.0
12/5 21:50	91.3	↑1.0
12/5 22:00	92.2	↑0.9
12/5 22:10	93.1	↑0.9
12/5 22:20	93.9	↑0.8
12/5 22:30	94.6	↑0.7
12/5 22:40	95.2	↑0.6
12/5 22:50	95.8	↑0.6
12/5 23:00	96.2	↑0.4
12/5 23:10	96.6	↑0.4
12/5 23:20	96.8	↑0.2
12/5 23:30	97.0	↑0.2
12/5 23:40	97.1	↑0.1	満潮
12/5 23:50	97.0	↓-0.1