13 (月)	05:29	10:31	16:01	23:03
	116cm	70cm	124cm	-6cm
大潮 出 06:29 入 17:17 出 07:10 入 17:55

那珂湊（茨城）2040年02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
2/13 00:00	6.5	↑3.2
2/13 00:10	9.9	↑3.4
2/13 00:20	13.5	↑3.6
2/13 00:30	17.3	↑3.8
2/13 00:40	21.4	↑4.1
2/13 00:50	25.6	↑4.2
2/13 01:00	29.9	↑4.3
2/13 01:10	34.4	↑4.5
2/13 01:20	39.0	↑4.6
2/13 01:30	43.6	↑4.6
2/13 01:40	48.3	↑4.7
2/13 01:50	52.9	↑4.6
2/13 02:00	57.6	↑4.7
2/13 02:10	62.3	↑4.7
2/13 02:20	66.8	↑4.5
2/13 02:30	71.3	↑4.5
2/13 02:40	75.7	↑4.4
2/13 02:50	80.0	↑4.3
2/13 03:00	84.1	↑4.1
2/13 03:10	88.0	↑3.9
2/13 03:20	91.7	↑3.7
2/13 03:30	95.2	↑3.5
2/13 03:40	98.5	↑3.3
2/13 03:50	101.5	↑3.0
2/13 04:00	104.3	↑2.8
2/13 04:10	106.7	↑2.4
2/13 04:20	108.9	↑2.2
2/13 04:30	110.8	↑1.9
2/13 04:40	112.4	↑1.6
2/13 04:50	113.7	↑1.3
2/13 05:00	114.7	↑1.0
2/13 05:10	115.4	↑0.7
2/13 05:20	115.7	↑0.3	満潮
2/13 05:30	115.8	↑0.1
2/13 05:40	115.6	↓-0.2
2/13 05:50	115.1	↓-0.5
2/13 06:00	114.4	↓-0.7
2/13 06:10	113.4	↓-1.0
2/13 06:20	112.1	↓-1.3
2/13 06:30	110.7	↓-1.4
2/13 06:40	109.0	↓-1.7
2/13 06:50	107.2	↓-1.8
2/13 07:00	105.2	↓-2.0
2/13 07:10	103.1	↓-2.1
2/13 07:20	100.9	↓-2.2
2/13 07:30	98.6	↓-2.3
2/13 07:40	96.2	↓-2.4
2/13 07:50	93.8	↓-2.4
2/13 08:00	91.4	↓-2.4
2/13 08:10	89.1	↓-2.3
2/13 08:20	86.7	↓-2.4
2/13 08:30	84.5	↓-2.2
2/13 08:40	82.3	↓-2.2
2/13 08:50	80.3	↓-2.0
2/13 09:00	78.4	↓-1.9
2/13 09:10	76.6	↓-1.8
2/13 09:20	75.0	↓-1.6
2/13 09:30	73.6	↓-1.4
2/13 09:40	72.3	↓-1.3
2/13 09:50	71.3	↓-1.0
2/13 10:00	70.5	↓-0.8
2/13 10:10	69.9	↓-0.6
2/13 10:20	69.6	↓-0.3
2/13 10:30	69.5	↓-0.1	干潮
2/13 10:40	69.6	↑0.1
2/13 10:50	69.9	↑0.3
2/13 11:00	70.5	↑0.6
2/13 11:10	71.3	↑0.8
2/13 11:20	72.3	↑1.0
2/13 11:30	73.5	↑1.2
2/13 11:40	75.0	↑1.5
2/13 11:50	76.6	↑1.6
2/13 12:00	78.3	↑1.7
2/13 12:10	80.3	↑2.0
2/13 12:20	82.4	↑2.1
2/13 12:30	84.6	↑2.2
2/13 12:40	86.9	↑2.3
2/13 12:50	89.3	↑2.4
2/13 13:00	91.7	↑2.4
2/13 13:10	94.3	↑2.6
2/13 13:20	96.8	↑2.5
2/13 13:30	99.4	↑2.6
2/13 13:40	101.9	↑2.5
2/13 13:50	104.4	↑2.5
2/13 14:00	106.9	↑2.5
2/13 14:10	109.2	↑2.3
2/13 14:20	111.5	↑2.3
2/13 14:30	113.6	↑2.1
2/13 14:40	115.6	↑2.0
2/13 14:50	117.4	↑1.8
2/13 15:00	119.0	↑1.6
2/13 15:10	120.5	↑1.5
2/13 15:20	121.7	↑1.2
2/13 15:30	122.6	↑0.9
2/13 15:40	123.3	↑0.7
2/13 15:50	123.7	↑0.4
2/13 16:00	123.9	↑0.2	満潮
2/13 16:10	123.8	↓-0.1
2/13 16:20	123.3	↓-0.5
2/13 16:30	122.5	↓-0.8
2/13 16:40	121.5	↓-1.0
2/13 16:50	120.1	↓-1.4
2/13 17:00	118.4	↓-1.7
2/13 17:10	116.4	↓-2.0
2/13 17:20	114.0	↓-2.4
2/13 17:30	111.4	↓-2.6
2/13 17:40	108.5	↓-2.9
2/13 17:50	105.2	↓-3.3
2/13 18:00	101.8	↓-3.4
2/13 18:10	98.0	↓-3.8
2/13 18:20	94.1	↓-3.9
2/13 18:30	89.9	↓-4.2
2/13 18:40	85.5	↓-4.4
2/13 18:50	81.0	↓-4.5
2/13 19:00	76.3	↓-4.7
2/13 19:10	71.5	↓-4.8
2/13 19:20	66.6	↓-4.9
2/13 19:30	61.7	↓-4.9
2/13 19:40	56.7	↓-5.0	最大潮位差
2/13 19:50	51.8	↓-4.9
2/13 20:00	46.9	↓-4.9
2/13 20:10	42.0	↓-4.9
2/13 20:20	37.2	↓-4.8
2/13 20:30	32.6	↓-4.6
2/13 20:40	28.1	↓-4.5
2/13 20:50	23.8	↓-4.3
2/13 21:00	19.7	↓-4.1
2/13 21:10	15.9	↓-3.8
2/13 21:20	12.3	↓-3.6
2/13 21:30	8.9	↓-3.4
2/13 21:40	5.9	↓-3.0
2/13 21:50	3.1	↓-2.8
2/13 22:00	0.7	↓-2.4
2/13 22:10	-1.3	↓-2.0
2/13 22:20	-3.0	↓-1.7
2/13 22:30	-4.4	↓-1.4
2/13 22:40	-5.4	↓-1.0
2/13 22:50	-6.0	↓-0.6
2/13 23:00	-6.2	↓-0.2	干潮
2/13 23:10	-6.1	↑0.1
2/13 23:20	-5.6	↑0.5
2/13 23:30	-4.8	↑0.8
2/13 23:40	-3.6	↑1.2
2/13 23:50	-2.0	↑1.6