11 (火)	06:24	12:13	18:20	-
	111cm	43cm	108cm	-
中潮 出 06:31 入 17:15 出 21:05 入 08:01

那珂湊（茨城）2031年02月11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
2/11 00:00	24.5	0
2/11 00:10	24.9	↑0.4
2/11 00:20	25.6	↑0.7
2/11 00:30	26.5	↑0.9
2/11 00:40	27.7	↑1.2
2/11 00:50	29.2	↑1.5
2/11 01:00	31.0	↑1.8
2/11 01:10	32.9	↑1.9
2/11 01:20	35.1	↑2.2
2/11 01:30	37.5	↑2.4
2/11 01:40	40.1	↑2.6
2/11 01:50	42.9	↑2.8
2/11 02:00	45.8	↑2.9
2/11 02:10	48.9	↑3.1
2/11 02:20	52.1	↑3.2
2/11 02:30	55.3	↑3.2
2/11 02:40	58.6	↑3.3
2/11 02:50	62.0	↑3.4
2/11 03:00	65.4	↑3.4
2/11 03:10	68.9	↑3.5	最大潮位差
2/11 03:20	72.3	↑3.4
2/11 03:30	75.7	↑3.4
2/11 03:40	79.0	↑3.3
2/11 03:50	82.3	↑3.3
2/11 04:00	85.4	↑3.1
2/11 04:10	88.5	↑3.1
2/11 04:20	91.4	↑2.9
2/11 04:30	94.2	↑2.8
2/11 04:40	96.8	↑2.6
2/11 04:50	99.3	↑2.5
2/11 05:00	101.5	↑2.2
2/11 05:10	103.5	↑2.0
2/11 05:20	105.3	↑1.8
2/11 05:30	106.9	↑1.6
2/11 05:40	108.2	↑1.3
2/11 05:50	109.2	↑1.0
2/11 06:00	110.0	↑0.8
2/11 06:10	110.5	↑0.5
2/11 06:20	110.7	↑0.2	満潮
2/11 06:30	110.7	0
2/11 06:40	110.3	↓-0.4
2/11 06:50	109.7	↓-0.6
2/11 07:00	108.8	↓-0.9
2/11 07:10	107.7	↓-1.1
2/11 07:20	106.3	↓-1.4
2/11 07:30	104.6	↓-1.7
2/11 07:40	102.8	↓-1.8
2/11 07:50	100.7	↓-2.1
2/11 08:00	98.4	↓-2.3
2/11 08:10	95.9	↓-2.5
2/11 08:20	93.2	↓-2.7
2/11 08:30	90.4	↓-2.8
2/11 08:40	87.5	↓-2.9
2/11 08:50	84.6	↓-2.9
2/11 09:00	81.5	↓-3.1
2/11 09:10	78.4	↓-3.1
2/11 09:20	75.3	↓-3.1
2/11 09:30	72.2	↓-3.1
2/11 09:40	69.2	↓-3.0
2/11 09:50	66.2	↓-3.0
2/11 10:00	63.3	↓-2.9
2/11 10:10	60.5	↓-2.8
2/11 10:20	57.8	↓-2.7
2/11 10:30	55.3	↓-2.5
2/11 10:40	53.0	↓-2.3
2/11 10:50	50.9	↓-2.1
2/11 11:00	49.0	↓-1.9
2/11 11:10	47.3	↓-1.7
2/11 11:20	45.8	↓-1.5
2/11 11:30	44.6	↓-1.2
2/11 11:40	43.7	↓-0.9
2/11 11:50	42.9	↓-0.8
2/11 12:00	42.5	↓-0.4
2/11 12:10	42.3	↓-0.2	干潮
2/11 12:20	42.4	↑0.1
2/11 12:30	42.7	↑0.3
2/11 12:40	43.3	↑0.6
2/11 12:50	44.1	↑0.8
2/11 13:00	45.2	↑1.1
2/11 13:10	46.4	↑1.2
2/11 13:20	47.9	↑1.5
2/11 13:30	49.6	↑1.7
2/11 13:40	51.5	↑1.9
2/11 13:50	53.5	↑2.0
2/11 14:00	55.7	↑2.2
2/11 14:10	58.0	↑2.3
2/11 14:20	60.5	↑2.5
2/11 14:30	63.0	↑2.5
2/11 14:40	65.6	↑2.6
2/11 14:50	68.3	↑2.7
2/11 15:00	71.0	↑2.7
2/11 15:10	73.8	↑2.8
2/11 15:20	76.5	↑2.7
2/11 15:30	79.3	↑2.8
2/11 15:40	82.0	↑2.7
2/11 15:50	84.7	↑2.7
2/11 16:00	87.3	↑2.6
2/11 16:10	89.8	↑2.5
2/11 16:20	92.3	↑2.5
2/11 16:30	94.6	↑2.3
2/11 16:40	96.7	↑2.1
2/11 16:50	98.8	↑2.1
2/11 17:00	100.6	↑1.8
2/11 17:10	102.3	↑1.7
2/11 17:20	103.8	↑1.5
2/11 17:30	105.1	↑1.3
2/11 17:40	106.1	↑1.0
2/11 17:50	106.9	↑0.8
2/11 18:00	107.5	↑0.6
2/11 18:10	107.9	↑0.4	満潮
2/11 18:20	108.0	↑0.1	満潮
2/11 18:30	107.8	↓-0.2
2/11 18:40	107.4	↓-0.4
2/11 18:50	106.7	↓-0.7
2/11 19:00	105.8	↓-0.9
2/11 19:10	104.6	↓-1.2
2/11 19:20	103.2	↓-1.4
2/11 19:30	101.6	↓-1.6
2/11 19:40	99.7	↓-1.9
2/11 19:50	97.6	↓-2.1
2/11 20:00	95.3	↓-2.3
2/11 20:10	92.8	↓-2.5
2/11 20:20	90.1	↓-2.7
2/11 20:30	87.3	↓-2.8
2/11 20:40	84.4	↓-2.9
2/11 20:50	81.3	↓-3.1
2/11 21:00	78.2	↓-3.1
2/11 21:10	75.0	↓-3.2
2/11 21:20	71.8	↓-3.2
2/11 21:30	68.6	↓-3.2
2/11 21:40	65.4	↓-3.2
2/11 21:50	62.2	↓-3.2
2/11 22:00	59.2	↓-3.0
2/11 22:10	56.2	↓-3.0
2/11 22:20	53.3	↓-2.9
2/11 22:30	50.6	↓-2.7
2/11 22:40	48.0	↓-2.6
2/11 22:50	45.6	↓-2.4
2/11 23:00	43.4	↓-2.2
2/11 23:10	41.5	↓-1.9
2/11 23:20	39.7	↓-1.8
2/11 23:30	38.3	↓-1.4
2/11 23:40	37.0	↓-1.3
2/11 23:50	36.0	↓-1.0