11 (土)	12:58	05:43	-	19:03
	117cm	52cm	-	83cm
長潮 出 05:41 入 17:09 出 00:35 入 14:05

那珂湊（茨城）2031年10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
10/11 00:00	98.6	↓-1.1
10/11 00:10	97.4	↓-1.2
10/11 00:20	96.1	↓-1.3
10/11 00:30	94.7	↓-1.4
10/11 00:40	93.3	↓-1.4
10/11 00:50	91.7	↓-1.6
10/11 01:00	90.1	↓-1.6
10/11 01:10	88.4	↓-1.7
10/11 01:20	86.6	↓-1.8
10/11 01:30	84.8	↓-1.8
10/11 01:40	83.0	↓-1.8
10/11 01:50	81.1	↓-1.9
10/11 02:00	79.2	↓-1.9
10/11 02:10	77.4	↓-1.8
10/11 02:20	75.5	↓-1.9
10/11 02:30	73.6	↓-1.9
10/11 02:40	71.7	↓-1.9
10/11 02:50	69.9	↓-1.8
10/11 03:00	68.2	↓-1.7
10/11 03:10	66.4	↓-1.8
10/11 03:20	64.7	↓-1.7
10/11 03:30	63.1	↓-1.6
10/11 03:40	61.6	↓-1.5
10/11 03:50	60.2	↓-1.4
10/11 04:00	58.8	↓-1.4
10/11 04:10	57.5	↓-1.3
10/11 04:20	56.4	↓-1.1
10/11 04:30	55.3	↓-1.1
10/11 04:40	54.4	↓-0.9
10/11 04:50	53.6	↓-0.8
10/11 05:00	52.9	↓-0.7
10/11 05:10	52.4	↓-0.5
10/11 05:20	52.0	↓-0.4
10/11 05:30	51.7	↓-0.3
10/11 05:40	51.6	↓-0.1	干潮
10/11 05:50	51.7	↑0.1
10/11 06:00	51.9	↑0.2
10/11 06:10	52.2	↑0.3
10/11 06:20	52.7	↑0.5
10/11 06:30	53.4	↑0.7
10/11 06:40	54.2	↑0.8
10/11 06:50	55.2	↑1.0
10/11 07:00	56.3	↑1.1
10/11 07:10	57.6	↑1.3
10/11 07:20	59.0	↑1.4
10/11 07:30	60.6	↑1.6
10/11 07:40	62.3	↑1.7
10/11 07:50	64.1	↑1.8
10/11 08:00	66.0	↑1.9
10/11 08:10	68.0	↑2.0
10/11 08:20	70.1	↑2.1
10/11 08:30	72.3	↑2.2
10/11 08:40	74.6	↑2.3
10/11 08:50	76.9	↑2.3
10/11 09:00	79.3	↑2.4	最大潮位差
10/11 09:10	81.7	↑2.4	最大潮位差
10/11 09:20	84.1	↑2.4	最大潮位差
10/11 09:30	86.5	↑2.4	最大潮位差
10/11 09:40	88.9	↑2.4	最大潮位差
10/11 09:50	91.3	↑2.4	最大潮位差
10/11 10:00	93.6	↑2.3
10/11 10:10	95.8	↑2.2
10/11 10:20	98.0	↑2.2
10/11 10:30	100.1	↑2.1
10/11 10:40	102.2	↑2.1
10/11 10:50	104.1	↑1.9
10/11 11:00	105.9	↑1.8
10/11 11:10	107.5	↑1.6
10/11 11:20	109.1	↑1.6
10/11 11:30	110.5	↑1.4
10/11 11:40	111.7	↑1.2
10/11 11:50	112.8	↑1.1
10/11 12:00	113.8	↑1.0
10/11 12:10	114.6	↑0.8
10/11 12:20	115.2	↑0.6
10/11 12:30	115.7	↑0.5
10/11 12:40	116.0	↑0.3
10/11 12:50	116.2	↑0.2	満潮
10/11 13:00	116.2	0
10/11 13:10	116.1	↓-0.1
10/11 13:20	115.9	↓-0.2
10/11 13:30	115.5	↓-0.4
10/11 13:40	115.0	↓-0.5
10/11 13:50	114.4	↓-0.6
10/11 14:00	113.6	↓-0.8
10/11 14:10	112.8	↓-0.8
10/11 14:20	111.8	↓-1.0
10/11 14:30	110.8	↓-1.0
10/11 14:40	109.6	↓-1.2
10/11 14:50	108.5	↓-1.1
10/11 15:00	107.2	↓-1.3
10/11 15:10	105.9	↓-1.3
10/11 15:20	104.5	↓-1.4
10/11 15:30	103.2	↓-1.3
10/11 15:40	101.8	↓-1.4
10/11 15:50	100.3	↓-1.5
10/11 16:00	98.9	↓-1.4
10/11 16:10	97.5	↓-1.4
10/11 16:20	96.1	↓-1.4
10/11 16:30	94.7	↓-1.4
10/11 16:40	93.4	↓-1.3
10/11 16:50	92.1	↓-1.3
10/11 17:00	90.9	↓-1.2
10/11 17:10	89.7	↓-1.2
10/11 17:20	88.5	↓-1.2
10/11 17:30	87.5	↓-1.0
10/11 17:40	86.6	↓-0.9
10/11 17:50	85.7	↓-0.9
10/11 18:00	84.9	↓-0.8
10/11 18:10	84.3	↓-0.6
10/11 18:20	83.7	↓-0.6
10/11 18:30	83.3	↓-0.4
10/11 18:40	83.0	↓-0.3
10/11 18:50	82.8	↓-0.2
10/11 19:00	82.7	↓-0.1	干潮
10/11 19:10	82.7	0
10/11 19:20	82.9	↑0.2
10/11 19:30	83.2	↑0.3
10/11 19:40	83.6	↑0.4
10/11 19:50	84.1	↑0.5
10/11 20:00	84.7	↑0.6
10/11 20:10	85.4	↑0.7
10/11 20:20	86.2	↑0.8
10/11 20:30	87.1	↑0.9
10/11 20:40	88.1	↑1.0
10/11 20:50	89.1	↑1.0
10/11 21:00	90.2	↑1.1
10/11 21:10	91.4	↑1.2
10/11 21:20	92.5	↑1.1
10/11 21:30	93.7	↑1.2
10/11 21:40	94.9	↑1.2
10/11 21:50	96.1	↑1.2
10/11 22:00	97.3	↑1.2
10/11 22:10	98.4	↑1.1
10/11 22:20	99.5	↑1.1
10/11 22:30	100.5	↑1.0
10/11 22:40	101.5	↑1.0
10/11 22:50	102.4	↑0.9
10/11 23:00	103.2	↑0.8
10/11 23:10	103.9	↑0.7
10/11 23:20	104.4	↑0.5
10/11 23:30	104.9	↑0.5
10/11 23:40	105.2	↑0.3
10/11 23:50	105.4	↑0.2