14 (土)	11:46	05:46	23:26	17:04
	91cm	50cm	117cm	67cm
長潮 出 04:20 入 18:57 出 00:25 入 13:42

那珂湊（茨城）2031年06月14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
6/14 00:00	107.7	↓-1.4
6/14 00:10	106.2	↓-1.5
6/14 00:20	104.6	↓-1.6
6/14 00:30	102.8	↓-1.8
6/14 00:40	100.9	↓-1.9
6/14 00:50	98.9	↓-2.0
6/14 01:00	96.8	↓-2.1
6/14 01:10	94.6	↓-2.2
6/14 01:20	92.4	↓-2.2
6/14 01:30	90.1	↓-2.3
6/14 01:40	87.8	↓-2.3
6/14 01:50	85.5	↓-2.3
6/14 02:00	83.1	↓-2.4	最大潮位差
6/14 02:10	80.8	↓-2.3
6/14 02:20	78.4	↓-2.4	最大潮位差
6/14 02:30	76.1	↓-2.3
6/14 02:40	73.9	↓-2.2
6/14 02:50	71.6	↓-2.3
6/14 03:00	69.5	↓-2.1
6/14 03:10	67.4	↓-2.1
6/14 03:20	65.4	↓-2.0
6/14 03:30	63.4	↓-2.0
6/14 03:40	61.6	↓-1.8
6/14 03:50	59.9	↓-1.7
6/14 04:00	58.3	↓-1.6
6/14 04:10	56.8	↓-1.5
6/14 04:20	55.4	↓-1.4
6/14 04:30	54.2	↓-1.2
6/14 04:40	53.1	↓-1.1
6/14 04:50	52.2	↓-0.9
6/14 05:00	51.4	↓-0.8
6/14 05:10	50.7	↓-0.7
6/14 05:20	50.2	↓-0.5
6/14 05:30	49.9	↓-0.3
6/14 05:40	49.8	↓-0.1	干潮
6/14 05:50	49.8	0
6/14 06:00	49.9	↑0.1
6/14 06:10	50.2	↑0.3
6/14 06:20	50.7	↑0.5
6/14 06:30	51.3	↑0.6
6/14 06:40	52.1	↑0.8
6/14 06:50	53.0	↑0.9
6/14 07:00	54.1	↑1.1
6/14 07:10	55.2	↑1.1
6/14 07:20	56.5	↑1.3
6/14 07:30	57.9	↑1.4
6/14 07:40	59.4	↑1.5
6/14 07:50	61.0	↑1.6
6/14 08:00	62.7	↑1.7
6/14 08:10	64.4	↑1.7
6/14 08:20	66.2	↑1.8
6/14 08:30	68.0	↑1.8
6/14 08:40	69.8	↑1.8
6/14 08:50	71.6	↑1.8
6/14 09:00	73.4	↑1.8
6/14 09:10	75.2	↑1.8
6/14 09:20	77.0	↑1.8
6/14 09:30	78.6	↑1.6
6/14 09:40	80.3	↑1.7
6/14 09:50	81.8	↑1.5
6/14 10:00	83.2	↑1.4
6/14 10:10	84.6	↑1.4
6/14 10:20	85.8	↑1.2
6/14 10:30	86.9	↑1.1
6/14 10:40	87.9	↑1.0
6/14 10:50	88.7	↑0.8
6/14 11:00	89.4	↑0.7
6/14 11:10	90.0	↑0.6
6/14 11:20	90.4	↑0.4
6/14 11:30	90.7	↑0.3
6/14 11:40	90.8	↑0.1	満潮
6/14 11:50	90.8	0
6/14 12:00	90.7	↓-0.1
6/14 12:10	90.4	↓-0.3
6/14 12:20	90.0	↓-0.4
6/14 12:30	89.5	↓-0.5
6/14 12:40	88.9	↓-0.6
6/14 12:50	88.2	↓-0.7
6/14 13:00	87.4	↓-0.8
6/14 13:10	86.5	↓-0.9
6/14 13:20	85.5	↓-1.0
6/14 13:30	84.5	↓-1.0
6/14 13:40	83.4	↓-1.1
6/14 13:50	82.3	↓-1.1
6/14 14:00	81.2	↓-1.1
6/14 14:10	80.0	↓-1.2
6/14 14:20	78.8	↓-1.2
6/14 14:30	77.6	↓-1.2
6/14 14:40	76.5	↓-1.1
6/14 14:50	75.3	↓-1.2
6/14 15:00	74.2	↓-1.1
6/14 15:10	73.2	↓-1.0
6/14 15:20	72.2	↓-1.0
6/14 15:30	71.2	↓-1.0
6/14 15:40	70.3	↓-0.9
6/14 15:50	69.5	↓-0.8
6/14 16:00	68.8	↓-0.7
6/14 16:10	68.1	↓-0.7
6/14 16:20	67.6	↓-0.5
6/14 16:30	67.1	↓-0.5
6/14 16:40	66.8	↓-0.3
6/14 16:50	66.6	↓-0.2
6/14 17:00	66.5	↓-0.1	干潮
6/14 17:10	66.5	0
6/14 17:20	66.7	↑0.2
6/14 17:30	67.0	↑0.3
6/14 17:40	67.4	↑0.4
6/14 17:50	68.0	↑0.6
6/14 18:00	68.6	↑0.6
6/14 18:10	69.5	↑0.9
6/14 18:20	70.4	↑0.9
6/14 18:30	71.5	↑1.1
6/14 18:40	72.8	↑1.3
6/14 18:50	74.1	↑1.3
6/14 19:00	75.6	↑1.5
6/14 19:10	77.1	↑1.5
6/14 19:20	78.8	↑1.7
6/14 19:30	80.6	↑1.8
6/14 19:40	82.4	↑1.8
6/14 19:50	84.4	↑2.0
6/14 20:00	86.4	↑2.0
6/14 20:10	88.4	↑2.0
6/14 20:20	90.5	↑2.1
6/14 20:30	92.5	↑2.0
6/14 20:40	94.6	↑2.1
6/14 20:50	96.7	↑2.1
6/14 21:00	98.7	↑2.0
6/14 21:10	100.8	↑2.1
6/14 21:20	102.7	↑1.9
6/14 21:30	104.6	↑1.9
6/14 21:40	106.3	↑1.7
6/14 21:50	108.0	↑1.7
6/14 22:00	109.6	↑1.6
6/14 22:10	111.0	↑1.4
6/14 22:20	112.2	↑1.2
6/14 22:30	113.4	↑1.2
6/14 22:40	114.3	↑0.9
6/14 22:50	115.1	↑0.8
6/14 23:00	115.7	↑0.6
6/14 23:10	116.1	↑0.4
6/14 23:20	116.3	↑0.2	満潮
6/14 23:30	116.3	0
6/14 23:40	116.1	↓-0.2
6/14 23:50	115.7	↓-0.4