5 (月)	05:50	10:56	16:27	23:25
	118cm	69cm	123cm	-1cm
大潮 出 06:36 入 17:10 出 07:37 入 18:31

那珂湊（茨城）2057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	2.2	↑2.4
2/5 00:10	4.9	↑2.7
2/5 00:20	7.9	↑3.0
2/5 00:30	11.2	↑3.3
2/5 00:40	14.7	↑3.5
2/5 00:50	18.4	↑3.7
2/5 01:00	22.4	↑4.0
2/5 01:10	26.5	↑4.1
2/5 01:20	30.7	↑4.2
2/5 01:30	35.1	↑4.4
2/5 01:40	39.6	↑4.5
2/5 01:50	44.2	↑4.6
2/5 02:00	48.8	↑4.6
2/5 02:10	53.5	↑4.7
2/5 02:20	58.1	↑4.6
2/5 02:30	62.8	↑4.7
2/5 02:40	67.3	↑4.5
2/5 02:50	71.8	↑4.5
2/5 03:00	76.2	↑4.4
2/5 03:10	80.5	↑4.3
2/5 03:20	84.7	↑4.2
2/5 03:30	88.6	↑3.9
2/5 03:40	92.4	↑3.8
2/5 03:50	95.9	↑3.5
2/5 04:00	99.3	↑3.4
2/5 04:10	102.3	↑3.0
2/5 04:20	105.1	↑2.8
2/5 04:30	107.7	↑2.6
2/5 04:40	109.9	↑2.2
2/5 04:50	111.9	↑2.0
2/5 05:00	113.5	↑1.6
2/5 05:10	114.9	↑1.4
2/5 05:20	115.9	↑1.0
2/5 05:30	116.6	↑0.7
2/5 05:40	117.0	↑0.4	満潮
2/5 05:50	117.1	↑0.1	満潮
2/5 06:00	116.9	↓-0.2
2/5 06:10	116.5	↓-0.4
2/5 06:20	115.7	↓-0.8
2/5 06:30	114.7	↓-1.0
2/5 06:40	113.4	↓-1.3
2/5 06:50	112.0	↓-1.4
2/5 07:00	110.3	↓-1.7
2/5 07:10	108.4	↓-1.9
2/5 07:20	106.4	↓-2.0
2/5 07:30	104.2	↓-2.2
2/5 07:40	102.0	↓-2.2
2/5 07:50	99.6	↓-2.4
2/5 08:00	97.2	↓-2.4
2/5 08:10	94.7	↓-2.5
2/5 08:20	92.2	↓-2.5
2/5 08:30	89.8	↓-2.4
2/5 08:40	87.4	↓-2.4
2/5 08:50	85.0	↓-2.4
2/5 09:00	82.8	↓-2.2
2/5 09:10	80.6	↓-2.2
2/5 09:20	78.6	↓-2.0
2/5 09:30	76.7	↓-1.9
2/5 09:40	75.0	↓-1.7
2/5 09:50	73.4	↓-1.6
2/5 10:00	72.1	↓-1.3
2/5 10:10	71.0	↓-1.1
2/5 10:20	70.1	↓-0.9
2/5 10:30	69.4	↓-0.7
2/5 10:40	68.9	↓-0.5
2/5 10:50	68.7	↓-0.2	干潮
2/5 11:00	68.7	0
2/5 11:10	68.9	↑0.2
2/5 11:20	69.3	↑0.4
2/5 11:30	70.0	↑0.7
2/5 11:40	70.9	↑0.9
2/5 11:50	72.0	↑1.1
2/5 12:00	73.4	↑1.4
2/5 12:10	74.9	↑1.5
2/5 12:20	76.5	↑1.6
2/5 12:30	78.4	↑1.9
2/5 12:40	80.4	↑2.0
2/5 12:50	82.5	↑2.1
2/5 13:00	84.8	↑2.3
2/5 13:10	87.1	↑2.3
2/5 13:20	89.5	↑2.4
2/5 13:30	92.0	↑2.5
2/5 13:40	94.5	↑2.5
2/5 13:50	97.1	↑2.6
2/5 14:00	99.6	↑2.5
2/5 14:10	102.1	↑2.5
2/5 14:20	104.6	↑2.5
2/5 14:30	107.0	↑2.4
2/5 14:40	109.3	↑2.3
2/5 14:50	111.4	↑2.1
2/5 15:00	113.5	↑2.1
2/5 15:10	115.4	↑1.9
2/5 15:20	117.1	↑1.7
2/5 15:30	118.7	↑1.6
2/5 15:40	120.0	↑1.3
2/5 15:50	121.1	↑1.1
2/5 16:00	122.0	↑0.9
2/5 16:10	122.6	↑0.6
2/5 16:20	122.9	↑0.3	満潮
2/5 16:30	122.9	0
2/5 16:40	122.7	↓-0.2
2/5 16:50	122.1	↓-0.6
2/5 17:00	121.2	↓-0.9
2/5 17:10	120.0	↓-1.2
2/5 17:20	118.5	↓-1.5
2/5 17:30	116.7	↓-1.8
2/5 17:40	114.6	↓-2.1
2/5 17:50	112.2	↓-2.4
2/5 18:00	109.5	↓-2.7
2/5 18:10	106.5	↓-3.0
2/5 18:20	103.2	↓-3.3
2/5 18:30	99.7	↓-3.5
2/5 18:40	95.9	↓-3.8
2/5 18:50	91.9	↓-4.0
2/5 19:00	87.8	↓-4.1
2/5 19:10	83.4	↓-4.4
2/5 19:20	78.9	↓-4.5
2/5 19:30	74.3	↓-4.6
2/5 19:40	69.6	↓-4.7
2/5 19:50	64.8	↓-4.8	最大潮位差
2/5 20:00	60.0	↓-4.8	最大潮位差
2/5 20:10	55.2	↓-4.8	最大潮位差
2/5 20:20	50.4	↓-4.8	最大潮位差
2/5 20:30	45.7	↓-4.7
2/5 20:40	41.1	↓-4.6
2/5 20:50	36.5	↓-4.6
2/5 21:00	32.1	↓-4.4
2/5 21:10	27.9	↓-4.2
2/5 21:20	23.9	↓-4.0
2/5 21:30	20.1	↓-3.8
2/5 21:40	16.6	↓-3.5
2/5 21:50	13.3	↓-3.3
2/5 22:00	10.3	↓-3.0
2/5 22:10	7.6	↓-2.7
2/5 22:20	5.2	↓-2.4
2/5 22:30	3.1	↓-2.1
2/5 22:40	1.4	↓-1.7
2/5 22:50	0.0	↓-1.4
2/5 23:00	-1.0	0
2/5 23:10	-1.7	↓-0.7
2/5 23:20	-2.0	↓-0.3	干潮
2/5 23:30	-1.9	↑0.1
2/5 23:40	-1.5	↑0.4
2/5 23:50	-0.7	↑0.8