13 (月)	11:28	04:33	23:51	18:08
	115cm	49cm	99cm	60cm
長潮 出 06:40 入 16:25 出 00:29 入 12:59

那珂湊（茨城）2055年12月13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
12/13 00:00	87.4	↓-1.5
12/13 00:10	85.7	↓-1.7
12/13 00:20	84.0	↓-1.7
12/13 00:30	82.2	↓-1.8
12/13 00:40	80.4	↓-1.8
12/13 00:50	78.4	↓-2.0
12/13 01:00	76.5	↓-1.9
12/13 01:10	74.5	↓-2.0
12/13 01:20	72.5	↓-2.0
12/13 01:30	70.6	↓-1.9
12/13 01:40	68.6	↓-2.0
12/13 01:50	66.7	↓-1.9
12/13 02:00	64.8	↓-1.9
12/13 02:10	63.0	↓-1.8
12/13 02:20	61.3	↓-1.7
12/13 02:30	59.6	↓-1.7
12/13 02:40	58.0	↓-1.6
12/13 02:50	56.5	↓-1.5
12/13 03:00	55.1	↓-1.4
12/13 03:10	53.9	↓-1.2
12/13 03:20	52.8	↓-1.1
12/13 03:30	51.7	↓-1.1
12/13 03:40	50.9	↓-0.8
12/13 03:50	50.2	↓-0.7
12/13 04:00	49.6	↓-0.6
12/13 04:10	49.2	↓-0.4
12/13 04:20	48.9	↓-0.3
12/13 04:30	48.8	↓-0.1	干潮
12/13 04:40	48.8	0
12/13 04:50	49.0	↑0.2
12/13 05:00	49.4	↑0.4
12/13 05:10	50.0	↑0.6
12/13 05:20	50.7	↑0.7
12/13 05:30	51.5	↑0.8
12/13 05:40	52.6	↑1.1
12/13 05:50	53.7	↑1.1
12/13 06:00	55.1	↑1.4
12/13 06:10	56.6	↑1.5
12/13 06:20	58.2	↑1.6
12/13 06:30	60.0	↑1.8
12/13 06:40	61.8	↑1.8
12/13 06:50	63.9	↑2.1
12/13 07:00	66.0	↑2.1
12/13 07:10	68.2	↑2.2
12/13 07:20	70.5	↑2.3
12/13 07:30	72.9	↑2.4
12/13 07:40	75.3	↑2.4
12/13 07:50	77.8	↑2.5
12/13 08:00	80.3	↑2.5
12/13 08:10	82.9	↑2.6	最大潮位差
12/13 08:20	85.4	↑2.5
12/13 08:30	87.9	↑2.5
12/13 08:40	90.4	↑2.5
12/13 08:50	92.9	↑2.5
12/13 09:00	95.3	↑2.4
12/13 09:10	97.6	↑2.3
12/13 09:20	99.8	↑2.2
12/13 09:30	102.0	↑2.2
12/13 09:40	104.0	↑2.0
12/13 09:50	105.8	↑1.8
12/13 10:00	107.5	↑1.7
12/13 10:10	109.1	↑1.6
12/13 10:20	110.5	↑1.4
12/13 10:30	111.7	↑1.2
12/13 10:40	112.7	↑1.0
12/13 10:50	113.6	↑0.9
12/13 11:00	114.2	↑0.6
12/13 11:10	114.7	↑0.5
12/13 11:20	114.9	↑0.2	満潮
12/13 11:30	115.0	↑0.1
12/13 11:40	114.8	↓-0.2
12/13 11:50	114.5	↓-0.3
12/13 12:00	113.9	↓-0.6
12/13 12:10	113.2	↓-0.7
12/13 12:20	112.3	↓-0.9
12/13 12:30	111.3	↓-1.0
12/13 12:40	110.0	↓-1.3
12/13 12:50	108.7	↓-1.3
12/13 13:00	107.2	↓-1.5
12/13 13:10	105.5	↓-1.7
12/13 13:20	103.8	↓-1.7
12/13 13:30	101.9	↓-1.9
12/13 13:40	100.0	↓-1.9
12/13 13:50	98.0	↓-2.0
12/13 14:00	95.9	↓-2.1
12/13 14:10	93.8	↓-2.1
12/13 14:20	91.6	↓-2.2
12/13 14:30	89.5	↓-2.1
12/13 14:40	87.3	↓-2.2
12/13 14:50	85.1	↓-2.2
12/13 15:00	83.0	↓-2.1
12/13 15:10	80.8	↓-2.2
12/13 15:20	78.7	↓-2.1
12/13 15:30	76.7	↓-2.0
12/13 15:40	74.8	↓-1.9
12/13 15:50	72.9	↓-1.9
12/13 16:00	71.1	↓-1.8
12/13 16:10	69.4	↓-1.7
12/13 16:20	67.8	↓-1.6
12/13 16:30	66.3	↓-1.5
12/13 16:40	64.9	↓-1.4
12/13 16:50	63.7	↓-1.2
12/13 17:00	62.6	↓-1.1
12/13 17:10	61.6	↓-1.0
12/13 17:20	60.8	↓-0.8
12/13 17:30	60.2	↓-0.6
12/13 17:40	59.6	↓-0.6
12/13 17:50	59.3	↓-0.3
12/13 18:00	59.1	↓-0.2	干潮
12/13 18:10	59.1	0
12/13 18:20	59.2	↑0.1
12/13 18:30	59.5	↑0.3
12/13 18:40	60.0	↑0.5
12/13 18:50	60.6	↑0.6
12/13 19:00	61.3	↑0.7
12/13 19:10	62.2	↑0.9
12/13 19:20	63.2	↑1.0
12/13 19:30	64.4	↑1.2
12/13 19:40	65.7	↑1.3
12/13 19:50	67.0	↑1.3
12/13 20:00	68.5	↑1.5
12/13 20:10	70.1	↑1.6
12/13 20:20	71.7	↑1.6
12/13 20:30	73.4	↑1.7
12/13 20:40	75.2	↑1.8
12/13 20:50	77.0	↑1.8
12/13 21:00	78.8	↑1.8
12/13 21:10	80.6	↑1.8
12/13 21:20	82.3	↑1.7
12/13 21:30	84.1	↑1.8
12/13 21:40	85.8	↑1.7
12/13 21:50	87.4	↑1.6
12/13 22:00	89.0	↑1.6
12/13 22:10	90.5	↑1.5
12/13 22:20	91.9	↑1.4
12/13 22:30	93.1	↑1.2
12/13 22:40	94.3	↑1.2
12/13 22:50	95.3	↑1.0
12/13 23:00	96.2	↑0.9
12/13 23:10	96.9	↑0.7
12/13 23:20	97.5	↑0.6
12/13 23:30	97.9	↑0.4
12/13 23:40	98.1	↑0.2
12/13 23:50	98.2	↑0.1	満潮