5 (金)	08:35	01:06	18:45	13:50
	117cm	27cm	105cm	86cm
中潮 出 06:34 入 16:24 出 22:04 入 10:35

那珂湊（茨城）2031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	31.7	↓-1.7
12/5 00:10	30.3	↓-1.4
12/5 00:20	29.1	↓-1.2
12/5 00:30	28.1	↓-1.0
12/5 00:40	27.3	↓-0.8
12/5 00:50	26.8	↓-0.5
12/5 01:00	26.6	↓-0.2	干潮
12/5 01:10	26.6	0
12/5 01:20	26.8	↑0.2
12/5 01:30	27.3	↑0.5
12/5 01:40	28.0	↑0.7
12/5 01:50	28.9	↑0.9
12/5 02:00	30.0	↑1.1
12/5 02:10	31.4	↑1.4
12/5 02:20	32.9	↑1.5
12/5 02:30	34.7	↑1.8
12/5 02:40	36.6	↑1.9
12/5 02:50	38.7	↑2.1
12/5 03:00	40.9	↑2.2
12/5 03:10	43.3	↑2.4
12/5 03:20	45.8	↑2.5
12/5 03:30	48.5	↑2.7
12/5 03:40	51.2	↑2.7
12/5 03:50	54.1	↑2.9
12/5 04:00	57.0	↑2.9
12/5 04:10	60.0	↑3.0
12/5 04:20	63.1	↑3.1
12/5 04:30	66.1	↑3.0
12/5 04:40	69.3	↑3.2	最大潮位差
12/5 04:50	72.4	↑3.1
12/5 05:00	75.5	↑3.1
12/5 05:10	78.6	↑3.1
12/5 05:20	81.7	↑3.1
12/5 05:30	84.7	↑3.0
12/5 05:40	87.7	↑3.0
12/5 05:50	90.6	↑2.9
12/5 06:00	93.3	↑2.7
12/5 06:10	96.0	↑2.7
12/5 06:20	98.6	↑2.6
12/5 06:30	101.0	↑2.4
12/5 06:40	103.3	↑2.3
12/5 06:50	105.5	↑2.2
12/5 07:00	107.4	↑1.9
12/5 07:10	109.2	↑1.8
12/5 07:20	110.8	↑1.6
12/5 07:30	112.2	↑1.4
12/5 07:40	113.4	↑1.2
12/5 07:50	114.4	↑1.0
12/5 08:00	115.2	↑0.8
12/5 08:10	115.8	↑0.6
12/5 08:20	116.2	↑0.4
12/5 08:30	116.4	↑0.2	満潮
12/5 08:40	116.4	0
12/5 08:50	116.1	↓-0.3
12/5 09:00	115.7	↓-0.4
12/5 09:10	115.2	↓-0.5
12/5 09:20	114.4	↓-0.8
12/5 09:30	113.5	↓-0.9
12/5 09:40	112.5	↓-1.0
12/5 09:50	111.3	↓-1.2
12/5 10:00	110.0	↓-1.3
12/5 10:10	108.7	↓-1.3
12/5 10:20	107.2	↓-1.5
12/5 10:30	105.7	↓-1.5
12/5 10:40	104.2	↓-1.5
12/5 10:50	102.6	↓-1.6
12/5 11:00	101.0	↓-1.6
12/5 11:10	99.5	↓-1.5
12/5 11:20	97.9	↓-1.6
12/5 11:30	96.4	↓-1.5
12/5 11:40	95.0	↓-1.4
12/5 11:50	93.6	↓-1.4
12/5 12:00	92.3	↓-1.3
12/5 12:10	91.1	↓-1.2
12/5 12:20	89.9	↓-1.2
12/5 12:30	88.9	↓-1.0
12/5 12:40	88.0	↓-0.9
12/5 12:50	87.3	↓-0.7
12/5 13:00	86.6	↓-0.7
12/5 13:10	86.1	↓-0.5
12/5 13:20	85.6	↓-0.5
12/5 13:30	85.4	↓-0.2
12/5 13:40	85.2	↓-0.2	干潮
12/5 13:50	85.1	↓-0.1	干潮
12/5 14:00	85.2	↑0.1
12/5 14:10	85.4	↑0.2
12/5 14:20	85.7	↑0.3
12/5 14:30	86.0	↑0.3
12/5 14:40	86.5	↑0.5
12/5 14:50	87.1	↑0.6
12/5 15:00	87.7	↑0.6
12/5 15:10	88.4	↑0.7
12/5 15:20	89.2	↑0.8
12/5 15:30	90.0	↑0.8
12/5 15:40	90.9	↑0.9
12/5 15:50	91.8	↑0.9
12/5 16:00	92.7	↑0.9
12/5 16:10	93.7	↑1.0
12/5 16:20	94.7	↑1.0
12/5 16:30	95.6	↑0.9
12/5 16:40	96.6	↑1.0
12/5 16:50	97.5	↑0.9
12/5 17:00	98.5	↑1.0
12/5 17:10	99.3	↑0.8
12/5 17:20	100.2	↑0.9
12/5 17:30	101.0	↑0.8
12/5 17:40	101.7	↑0.7
12/5 17:50	102.3	↑0.6
12/5 18:00	102.9	↑0.6
12/5 18:10	103.4	↑0.5
12/5 18:20	103.7	↑0.3
12/5 18:30	104.0	↑0.3
12/5 18:40	104.1	↑0.1	満潮
12/5 18:50	104.1	0
12/5 19:00	103.9	↓-0.2
12/5 19:10	103.6	↓-0.3
12/5 19:20	103.2	↓-0.4
12/5 19:30	102.6	↓-0.6
12/5 19:40	101.8	↓-0.8
12/5 19:50	100.9	↓-0.9
12/5 20:00	99.8	↓-1.1
12/5 20:10	98.6	↓-1.2
12/5 20:20	97.1	↓-1.5
12/5 20:30	95.6	↓-1.5
12/5 20:40	93.8	↓-1.8
12/5 20:50	91.9	↓-1.9
12/5 21:00	89.9	↓-2.0
12/5 21:10	87.7	↓-2.2
12/5 21:20	85.4	↓-2.3
12/5 21:30	83.0	↓-2.4
12/5 21:40	80.5	↓-2.5
12/5 21:50	77.9	↓-2.6
12/5 22:00	75.3	↓-2.6
12/5 22:10	72.6	↓-2.7
12/5 22:20	69.9	↓-2.7
12/5 22:30	67.1	↓-2.8
12/5 22:40	64.4	↓-2.7
12/5 22:50	61.7	↓-2.7
12/5 23:00	59.0	↓-2.7
12/5 23:10	56.4	↓-2.6
12/5 23:20	53.9	↓-2.5
12/5 23:30	51.4	↓-2.5
12/5 23:40	49.1	↓-2.3
12/5 23:50	46.9	↓-2.2