5 (金)	06:23	12:09	18:14	-
	132cm	62cm	133cm	-
中潮 出 05:12 入 18:02 出 20:10 入 09:08

那珂湊（茨城）2031年09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
9/5 00:00	43.0	↓-0.1
9/5 00:10	43.3	↑0.3
9/5 00:20	43.8	↑0.5
9/5 00:30	44.6	↑0.8
9/5 00:40	45.8	↑1.2
9/5 00:50	47.2	↑1.4
9/5 01:00	48.8	↑1.6
9/5 01:10	50.8	↑2.0
9/5 01:20	52.9	↑2.1
9/5 01:30	55.3	↑2.4
9/5 01:40	57.9	↑2.6
9/5 01:50	60.7	↑2.8
9/5 02:00	63.6	↑2.9
9/5 02:10	66.7	↑3.1
9/5 02:20	69.9	↑3.2
9/5 02:30	73.2	↑3.3
9/5 02:40	76.7	↑3.5
9/5 02:50	80.2	↑3.5
9/5 03:00	83.7	↑3.5
9/5 03:10	87.2	↑3.5
9/5 03:20	90.8	↑3.6
9/5 03:30	94.3	↑3.5
9/5 03:40	97.8	↑3.5
9/5 03:50	101.3	↑3.5
9/5 04:00	104.6	↑3.3
9/5 04:10	107.8	↑3.2
9/5 04:20	110.9	↑3.1
9/5 04:30	113.8	↑2.9
9/5 04:40	116.6	↑2.8
9/5 04:50	119.2	↑2.6
9/5 05:00	121.5	↑2.3
9/5 05:10	123.7	↑2.2
9/5 05:20	125.6	↑1.9
9/5 05:30	127.2	↑1.6
9/5 05:40	128.6	↑1.4
9/5 05:50	129.6	↑1.0
9/5 06:00	130.4	↑0.8
9/5 06:10	131.0	↑0.6
9/5 06:20	131.2	↑0.2	満潮
9/5 06:30	131.1	↓-0.1
9/5 06:40	130.7	↓-0.4
9/5 06:50	130.0	↓-0.7
9/5 07:00	129.1	↓-0.9
9/5 07:10	127.8	↓-1.3
9/5 07:20	126.3	↓-1.5
9/5 07:30	124.6	↓-1.7
9/5 07:40	122.6	↓-2.0
9/5 07:50	120.4	↓-2.2
9/5 08:00	117.9	↓-2.5
9/5 08:10	115.3	↓-2.6
9/5 08:20	112.6	↓-2.7
9/5 08:30	109.7	↓-2.9
9/5 08:40	106.7	↓-3.0
9/5 08:50	103.6	↓-3.1
9/5 09:00	100.5	↓-3.1
9/5 09:10	97.3	↓-3.2
9/5 09:20	94.1	↓-3.2
9/5 09:30	91.0	↓-3.1
9/5 09:40	87.9	↓-3.1
9/5 09:50	84.9	↓-3.0
9/5 10:00	82.0	↓-2.9
9/5 10:10	79.2	↓-2.8
9/5 10:20	76.5	↓-2.7
9/5 10:30	74.1	↓-2.4
9/5 10:40	71.8	↓-2.3
9/5 10:50	69.7	↓-2.1
9/5 11:00	67.9	↓-1.8
9/5 11:10	66.2	↓-1.7
9/5 11:20	64.9	↓-1.3
9/5 11:30	63.7	↓-1.2
9/5 11:40	62.9	↓-0.8
9/5 11:50	62.3	↓-0.6
9/5 12:00	61.9	↓-0.4	干潮
9/5 12:10	61.8	↓-0.1
9/5 12:20	62.0	↑0.2
9/5 12:30	62.5	↑0.5
9/5 12:40	63.2	↑0.7
9/5 12:50	64.1	↑0.9
9/5 13:00	65.3	↑1.2
9/5 13:10	66.7	↑1.4
9/5 13:20	68.4	↑1.7
9/5 13:30	70.2	↑1.8
9/5 13:40	72.2	↑2.0
9/5 13:50	74.4	↑2.2
9/5 14:00	76.8	↑2.4
9/5 14:10	79.3	↑2.5
9/5 14:20	81.9	↑2.6
9/5 14:30	84.7	↑2.8
9/5 14:40	87.5	↑2.8
9/5 14:50	90.4	↑2.9
9/5 15:00	93.3	↑2.9
9/5 15:10	96.3	↑3.0
9/5 15:20	99.3	↑3.0
9/5 15:30	102.2	↑2.9
9/5 15:40	105.2	↑3.0
9/5 15:50	108.1	↑2.9
9/5 16:00	110.9	↑2.8
9/5 16:10	113.6	↑2.7
9/5 16:20	116.2	↑2.6
9/5 16:30	118.7	↑2.5
9/5 16:40	121.0	↑2.3
9/5 16:50	123.2	↑2.2
9/5 17:00	125.1	↑1.9
9/5 17:10	126.9	↑1.8
9/5 17:20	128.4	↑1.5
9/5 17:30	129.7	↑1.3
9/5 17:40	130.8	↑1.1
9/5 17:50	131.5	↑0.7
9/5 18:00	132.1	↑0.6
9/5 18:10	132.3	↑0.2	満潮
9/5 18:20	132.2	↓-0.1
9/5 18:30	131.9	↓-0.3
9/5 18:40	131.3	↓-0.6
9/5 18:50	130.3	↓-1.0
9/5 19:00	129.1	↓-1.2
9/5 19:10	127.6	↓-1.5
9/5 19:20	125.8	↓-1.8
9/5 19:30	123.8	↓-2.0
9/5 19:40	121.5	↓-2.3
9/5 19:50	119.0	↓-2.5
9/5 20:00	116.2	↓-2.8
9/5 20:10	113.2	↓-3.0
9/5 20:20	110.1	↓-3.1
9/5 20:30	106.7	↓-3.4
9/5 20:40	103.3	↓-3.4
9/5 20:50	99.7	↓-3.6
9/5 21:00	96.0	↓-3.7
9/5 21:10	92.3	↓-3.7
9/5 21:20	88.5	↓-3.8	最大潮位差
9/5 21:30	84.8	↓-3.7
9/5 21:40	81.0	↓-3.8	最大潮位差
9/5 21:50	77.3	↓-3.7
9/5 22:00	73.7	↓-3.6
9/5 22:10	70.1	↓-3.6
9/5 22:20	66.7	↓-3.4
9/5 22:30	63.4	↓-3.3
9/5 22:40	60.3	↓-3.1
9/5 22:50	57.4	↓-2.9
9/5 23:00	54.7	↓-2.7
9/5 23:10	52.2	↓-2.5
9/5 23:20	50.0	↓-2.2
9/5 23:30	48.0	↓-2.0
9/5 23:40	46.3	↓-1.7
9/5 23:50	44.8	↓-1.5